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gokrazy
AP Scanning
I'm trying to get WiFi scanning going something like iwlist scan but for some reason this small program:
package main
import (
"fmt"
"log"
"github.com/mdlayher/wifi"
)
func main() {
// Initialize a new WiFi client
client, err := wifi.New()
if err != nil {
log.Fatalf("failed to create WiFi client: %v", err)
}
defer client.Close()
// Get a list of WiFi interfaces
ifaces, err := client.Interfaces()
if err != nil {
log.Fatalf("failed to get WiFi interfaces: %v", err)
}
// Scan for access points on each interface
for _, iface := range ifaces {
fmt.Printf("Scanning on interface: %s\n", iface.Name)
surveyInfo, err := client.SurveyInfo(iface)
if err != nil {
log.Fatalf("failed to scan on interface %s: %v", iface.Name, err)
}
for _, si := range surveyInfo {
fmt.Printf("%#v\n", si)
}
}
}
is returning
/perm # ./agent
Scanning on interface: wlan0
2025/03/23 01:02:00 failed to scan on interface wlan0: netlink receive: device or resource busy
Given that gokrazy is barebones, there's little room for getting to the bottom of this unless you know the internals of everything. Any idea why is this happening or how to accomplish this?
Long time fan of the project :)
Hey @betim
I don’t know the answer off the top of my head (it’s been years since I tinkered with WiFi), but here are a few questions / ideas:
- Which device are you working with? Is it a Raspberry Pi? Which version?
- Which kernel are you using? Is it gokrazy/kernel or gokrazy/kernel.rpi? Try the other one, does it behave differently?
- Does your program work on Raspberry Pi OS on the same device?
- I think the error message is likely coming from the kernel WiFi driver, but it would be good to double-check. You can consult the WiFi driver sources to see if the feature is just not implemented or if there are other possible paths to this error.
Hey Michael, thank You for your response.
I'm running on model: Raspberry Pi 3 Model B Plus Rev 1.3 with 6.6.74-v8 #1 SMP PREEMPT Wed Mar 1 20:57:29 UTC 2017 aarch64 GNU/Linux. KernelPackage is left unset in config.json.
Does your program work on Raspberry Pi OS on the same device?
I did not test the program on Pi, but locally works (even though it does not display SSIDs from the Survey, the struct on surveyInfo does not have it).
I think the error message is likely coming from the kernel WiFi driver...
Looks like the kernel is OK because in the meantime I static compiled iw on a different SD card running Debian, took it to gokrazy and it works!
/tmp/breakglass3433435865 # iw wlan0 scan | grep SSID
SSID: neighbourWirless
...
For my purposes I can just os.Exec it but I also think it would be fun to debug it.
P.S. I learned few things trying to get this to work, namely netlink and how utilities talk to kernel to configure it.
Cheers :)
Looks like the kernel is OK because in the meantime I static compiled
iwon a different SD card running Debian, took it to gokrazy and it works!
Okay! At this point, it’s “only” a matter of minimizing the program code of both versions (the iw original and your code) until the difference becomes obvious.
As a tip: strace in version 4.21 will display hex dumps for netlink traffic, making it easy to compare what two programs are sending to the kernel.
Down the rabbit hole then!
I compiled strace/strace from the HEAD:
/tmp/breakglass2590962264 # strace -V
strace -- version 6.14
Then:
/tmp/breakglass2590962264 # strace -v -xx iw wlan0 scan
execve("\x2f\x75\x73\x65\x72\x2f\x69\x77", ["\x69\x77", "\x77\x6c\x61\x6e\x30", "\x73\x63\x61\x6e"], ["\x53\x48\x4c\x56\x4c\x3d\x32", "\x48\x4f\x4d\x45\x3d\x2f\x70\x65\x72\x6d\x2f\x68\x6f\x6d\x65", "\x54\x4d\x50\x44\x49\x52\x3d\x2f\x74\x6d\x70", "\x50\x41\x54\x48\x3d\x2f\x74\x6d\x70\x2f\x62\x72\x65\x61\x6b\x67\x6c\x61\x73\x73\x32\x35\x39\x30\x39\x36\x32\x32\x36\x34\x3a\x2f"..., "\x50\x57\x44\x3d\x2f\x74\x6d\x70\x2f\x62\x72\x65\x61\x6b\x67\x6c\x61\x73\x73\x32\x35\x39\x30\x39\x36\x32\x32\x36\x34"]) = 0
brk(NULL) = 0x1327c000
brk(0x1327cb00) = 0x1327cb00
set_tid_address(0x1327c0d0) = 935
set_robust_list(0x1327c0e0, 24) = 0
rseq(0x1327c720, 0x20, 0, 0xd428bc00) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "\x2f\x70\x72\x6f\x63\x2f\x73\x65\x6c\x66\x2f\x65\x78\x65", "\x2f\x75\x73\x65\x72\x2f\x69\x77", 4096) = 8
getrandom("\x2e\xe3\xb9\xc7\xb0\x6b\xdf\x5c", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x1327cb00
brk(0x1329db00) = 0x1329db00
brk(0x1329e000) = 0x1329e000
mprotect(0x518000, 32768, PROT_READ) = 0
socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_GENERIC) = 3
setsockopt(3, SOL_SOCKET, SO_SNDBUF, [32768], 4) = 0
setsockopt(3, SOL_SOCKET, SO_RCVBUF, [32768], 4) = 0
getpid() = 935
bind(3, {sa_family=AF_NETLINK, nl_pid=-369097817, nl_groups=00000000}, 12) = 0
getsockname(3, {sa_family=AF_NETLINK, nl_pid=-369097817, nl_groups=00000000}, [12]) = 0
setsockopt(3, SOL_SOCKET, SO_SNDBUF, [8192], 4) = 0
setsockopt(3, SOL_SOCKET, SO_RCVBUF, [8192], 4) = 0
setsockopt(3, SOL_NETLINK, NETLINK_EXT_ACK, [1], 4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942271, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942271, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942271, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942271, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942271, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942271, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942271, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
ioctl(4, SIOCGIFINDEX, {ifr_name="\x77\x6c\x61\x6e\x30", ifr_ifindex=4}) = 0
close(4) = 0
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
ioctl(4, SIOCGIFINDEX, {ifr_name="\x77\x6c\x61\x6e\x30", ifr_ifindex=4}) = 0
close(4) = 0
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
ioctl(4, SIOCGIFINDEX, {ifr_name="\x77\x6c\x61\x6e\x30", ifr_ifindex=4}) = 0
close(4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=44, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942272, nlmsg_pid=-369097817}, "\x21\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x08\x00\x2d\x00\x04\x00\x01\x00\x08\x00\x9e\x00\x00\x40\x00\x00"], iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942272, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942272, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942272, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942272, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942273, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942273, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942273, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942273, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942273, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942273, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942273, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942274, nlmsg_pid=-369097817}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942274, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942274, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942274, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942274, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942274, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942274, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
setsockopt(3, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, [6], 4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942275, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942275, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942275, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942275, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942275, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942275, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942275, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942276, nlmsg_pid=-369097817}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942276, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942276, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942276, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942276, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942276, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942276, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
setsockopt(3, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, [7], 4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942277, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942277, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942277, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942277, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942277, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942277, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942277, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942278, nlmsg_pid=-369097817}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942278, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942278, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942278, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942278, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942278, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942278, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
setsockopt(3, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, [8], 4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942279, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942279, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942279, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942279, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942279, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942279, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942279, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942280, nlmsg_pid=-369097817}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942280, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942280, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942280, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942280, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942280, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942280, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
setsockopt(3, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, [9], 4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942281, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942281, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942281, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942281, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942281, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942281, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942281, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942282, nlmsg_pid=-369097817}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942282, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942282, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942282, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942282, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942282, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942282, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
setsockopt(3, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, [10], 4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942283, nlmsg_pid=-369097817}, "\x03\x01\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942283, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=136, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942283, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0b\x00\x02\x00\x6e\x6c\x63\x74\x72\x6c\x00\x00\x06\x00\x01\x00\x10\x00\x00\x00\x08\x00\x03\x00\x02\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 136
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942283, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942283, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942283, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942283, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942284, nlmsg_pid=-369097817}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942284, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=2496, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=1742942284, nlmsg_pid=-369097817}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x17\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 2496
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942284, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942284, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 36
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=1742942284, nlmsg_pid=-369097817}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=1742942284, nlmsg_pid=-369097817}}], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36
setsockopt(3, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, [11], 4) = 0
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=0x000040}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=412, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=0}, "\x22\x01\x00\x00\x08\x00\x01\x00\x00\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 412
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=0x000040}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=412, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=0}, "\x22\x01\x00\x00\x08\x00\x01\x00\x00\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 412
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
ioctl(4, SIOCGIFINDEX, {ifr_name="\x77\x6c\x61\x6e\x30", ifr_ifindex=4}) = 0
close(4) = 0
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=28, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x300, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x20\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00"], iov_len=28}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 28
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[[{nlmsg_len=500, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=500, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=516, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=520, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=320, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=448, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=416, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=464, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=568, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=508, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=496, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=360, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=356, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=404, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...]], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 6376
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[[{nlmsg_len=500, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=500, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=516, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=520, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=320, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=448, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=416, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=464, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=568, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=508, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=496, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=360, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=356, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...], [{nlmsg_len=404, nlmsg_type=0x17 /* NLMSG_??? */, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, "\x22\x01\x00\x00\x08\x00\x2e\x00\x3d\x00\x00\x00\x08\x00\x03\x00\x04\x00\x00\x00\x0c\x00\x99\x00\x01\x00\x00\x00\x00\x00\x00\x00"...]], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 6376
newfstatat(1, "", {st_dev=makedev(0, 0x13), st_ino=3, st_mode=S_IFCHR|0600, st_nlink=1, st_uid=0, st_gid=0, st_blksize=1024, st_blocks=0, st_rdev=makedev(0x88, 0), st_atime=1742942270 /* 2025-03-25T23:37:50.667048989+0100 */, st_atime_nsec=667048989, st_mtime=1742942275 /* 2025-03-25T23:37:55.667048989+0100 */, st_mtime_nsec=667048989, st_ctime=1742941693 /* 2025-03-25T23:28:13.667048989+0100 */, st_ctime_nsec=667048989}, AT_EMPTY_PATH) = 0
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
ioctl(4, SIOCGIFNAME, {ifr_ifindex=4, ifr_name="\x77\x6c\x61\x6e\x30"}) = 0
close(4) = 0
write(1, "\x42\x53\x53\x20\x36\x30\x3a\x33\x64\x3a\x32\x36\x3a\x38\x62\x3a\x62\x38\x3a\x39\x37\x28\x6f\x6e\x20\x77\x6c\x61\x6e\x30\x29\x20"..., 46BSS 00:11:22:33:44:55(on wlan0) -- associated
...
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=NLMSG_DONE, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, 0], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PEEK|MSG_TRUNC) = 20
recvmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=NLMSG_DONE, nlmsg_flags=NLM_F_MULTI, nlmsg_seq=1742942285, nlmsg_pid=-369097817}, 0], iov_len=16384}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 20
close(3) = 0
exit_group(0) = ?
+++ exited with 0 +++
/tmp/breakglass2590962264 #
And here's the test program:
/tmp/breakglass2590962264 # strace -v -xx test
execve("\x2f\x75\x73\x65\x72\x2f\x74\x65\x73\x74", ["\x74\x65\x73\x74"], ["\x53\x48\x4c\x56\x4c\x3d\x32", "\x48\x4f\x4d\x45\x3d\x2f\x70\x65\x72\x6d\x2f\x68\x6f\x6d\x65", "\x54\x4d\x50\x44\x49\x52\x3d\x2f\x74\x6d\x70", "\x50\x41\x54\x48\x3d\x2f\x74\x6d\x70\x2f\x62\x72\x65\x61\x6b\x67\x6c\x61\x73\x73\x32\x35\x39\x30\x39\x36\x32\x32\x36\x34\x3a\x2f"..., "\x50\x57\x44\x3d\x2f\x74\x6d\x70\x2f\x62\x72\x65\x61\x6b\x67\x6c\x61\x73\x73\x32\x35\x39\x30\x39\x36\x32\x32\x36\x34"]) = 0
sched_getaffinity(0, 8192, [0 1 2 3]) = 32
openat(AT_FDCWD, "\x2f\x73\x79\x73\x2f\x6b\x65\x72\x6e\x65\x6c\x2f\x6d\x6d\x2f\x74\x72\x61\x6e\x73\x70\x61\x72\x65\x6e\x74\x5f\x68\x75\x67\x65\x70\x61\x67\x65\x2f\x68\x70\x61\x67\x65\x5f\x70\x6d\x64\x5f\x73\x69\x7a\x65", O_RDONLY) = -1 ENOENT (No such file or directory)
mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff95e78000
mmap(NULL, 131072, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff95e58000
mmap(NULL, 1048576, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff95d58000
mmap(NULL, 8388608, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff95558000
mmap(NULL, 67108864, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff91558000
mmap(NULL, 536870912, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff71558000
mmap(NULL, 536870912, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff51558000
mmap(0x4000000000, 67108864, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4000000000
mmap(NULL, 33554432, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff4f558000
madvise(0xffff4f558000, 33554432, MADV_NOHUGEPAGE) = -1 EINVAL (Invalid argument)
mmap(NULL, 68624, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff4f547000
mmap(0x4000000000, 4194304, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4000000000
mmap(0xffff95e58000, 131072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff95e58000
mmap(0xffff95d58000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff95d58000
mmap(0xffff9555a000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff9555a000
mmap(0xffff91568000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff91568000
mmap(0xffff715d8000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff715d8000
mmap(0xffff515d8000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff515d8000
mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff4f447000
madvise(0xffff4f447000, 1048576, MADV_NOHUGEPAGE) = -1 EINVAL (Invalid argument)
mmap(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff4f437000
mmap(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff4f427000
rt_sigprocmask(SIG_SETMASK, NULL, [], 8) = 0
fcntl(0, F_GETFD) = 0
fcntl(1, F_GETFD) = 0
fcntl(2, F_GETFD) = 0
sigaltstack(NULL, {ss_sp=NULL, ss_flags=SS_DISABLE, ss_size=0}) = 0
sigaltstack({ss_sp=0x4000004000, ss_flags=0, ss_size=32768}, NULL) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
gettid() = 848
rt_sigaction(SIGHUP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGHUP, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGINT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGINT, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGQUIT, NULL, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGQUIT, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGILL, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGILL, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGTRAP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTRAP, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGABRT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGABRT, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGBUS, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGFPE, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGFPE, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGUSR1, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGUSR1, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGSEGV, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGUSR2, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGUSR2, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGPIPE, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPIPE, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGALRM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGSTKFLT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSTKFLT, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGCHLD, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGCHLD, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGURG, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGURG, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGXCPU, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGXCPU, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGXFSZ, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGXFSZ, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGVTALRM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGVTALRM, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGPROF, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPROF, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGWINCH, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGWINCH, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGIO, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGIO, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGPWR, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPWR, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGSYS, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSYS, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRTMIN, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_1, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_2, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_3, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_3, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_4, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_4, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_5, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_5, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_6, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_6, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_7, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_7, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_8, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_8, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_9, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_9, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_10, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_10, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_11, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_11, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_12, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_12, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_13, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_13, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_14, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_14, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_15, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_15, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_16, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_16, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_17, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_17, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_18, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_18, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_19, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_19, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_20, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_20, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_21, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_21, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_22, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_22, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_23, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_23, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_24, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_24, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_25, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_25, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_26, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_26, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_27, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_27, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_28, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_28, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_29, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_29, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_30, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_30, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_31, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_31, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_32, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_32, {sa_handler=0x83780, sa_mask=~[], sa_flags=SA_ONSTACK|SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, ~[], [], 8) = 0
clone(child_stack=0x400001c000, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM) = 849
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 0
--- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=848, si_uid=0} ---
rt_sigreturn({mask=[]}) = 2095920
rt_sigprocmask(SIG_SETMASK, ~[], [], 8) = 0
clone(child_stack=0x4000056000, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM) = 850
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x4000080148, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x400003cd28, FUTEX_WAKE_PRIVATE, 1) = 1
sched_yield() = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
prlimit64(0, RLIMIT_NOFILE, NULL, {rlim_cur=1024, rlim_max=4*1024}) = 0
prlimit64(0, RLIMIT_NOFILE, {rlim_cur=4095, rlim_max=4*1024}, NULL) = 0
fcntl(0, F_GETFL) = 0x20002 (flags O_RDWR|O_LARGEFILE)
futex(0x4000100148, FUTEX_WAKE_PRIVATE, 1) = 1
fcntl(1, F_GETFL) = 0x20002 (flags O_RDWR|O_LARGEFILE)
fcntl(2, F_GETFL) = 0x20002 (flags O_RDWR|O_LARGEFILE)
futex(0x4000080148, FUTEX_WAKE_PRIVATE, 1) = 1
socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_GENERIC) = 3
fcntl(3, F_GETFL) = 0x802 (flags O_RDWR|O_NONBLOCK)
fcntl(3, F_GETFL) = 0x802 (flags O_RDWR|O_NONBLOCK)
epoll_create1(EPOLL_CLOEXEC) = 4
eventfd2(0, EFD_CLOEXEC|EFD_NONBLOCK) = 5
epoll_ctl(4, EPOLL_CTL_ADD, 5, {events=EPOLLIN, data=0x225058}) = 0
epoll_ctl(4, EPOLL_CTL_ADD, 3, {events=EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, data=0xffff4f3b3de00001}) = 0
getsockopt(3, SOL_SOCKET, SO_TYPE, [3], [4]) = 0
bind(3, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 0
getsockname(3, {sa_family=AF_NETLINK, nl_pid=848, nl_groups=00000000}, [112 => 12]) = 0
setsockopt(3, SOL_NETLINK, NETLINK_EXT_ACK, [1], 4) = 0
setsockopt(3, SOL_NETLINK, NETLINK_GET_STRICT_CHK, [1], 4) = 0
futex(0x4000080148, FUTEX_WAKE_PRIVATE, 1) = 1
sendmsg(3, {msg_name={sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, msg_namelen=12, msg_iov=[{iov_base=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=2024503073, nlmsg_pid=848}, "\x03\x01\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], iov_len=32}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32
futex(0x4000080148, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
nanosleep({tv_sec=0, tv_nsec=3000}, NULL) = 0
futex(0x4000100148, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULLScanning on interface: wlan0
) = 0
nanosleep({tv_sec=0, tv_nsec=3000}, Retrying... (2 retries left)
NULL) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
nanosleep({tv_sec=0, tv_nsec=3000}, Retrying... (1 retries left)
NULL) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x1ffa00, FUTEX_WAIT_PRIVATE, 0, NULL2025/03/25 23:37:14 failed to scan on interface wlan0: netlink receive: device or resource busy
) = ? <unavailable>
+++ exited with 1 +++
/tmp/breakglass2590962264 #
Have no idea how to compare this. What's our next move?
Cheers 🍻
Well, you can try strace 4.21 instead of strace 6.14, as I suggested earlier. That should give you more hex bytes for netlink messages, which might make them easier to compare.
You could also capture netlink traffic using pcap and then open the capture file in wireshark. And lastly, https://jvns.ca/blog/2017/09/03/debugging-netlink-requests/ lists a few more possible avenues.
Maybe the C program has some built-in debugging facilities to enable more logging, too? I know that nft does.