Sway crashes when scrolling mouse wheel on a floating window title bar (layout=tabbed)

[pcpthm]

• Sway Version:

  • 1.5 and master.

• Description:

It is fully reproducible. Run sway -c ./config where config is

workspace_layout tabbed
for_window [app_id="Alacritty"] floating enable
exec alacritty

then scroll mouse wheel on the title bar.

• Stack Trace:

active is NULL here: https://github.com/swaywm/sway/blob/c523aa623bc5e5b5897c0f337058aa7308871fef/sway/input/seatop_default.c#L696-L700

Stack Trace

(gdb) bt full
#0  0x000000000043a6b4 in handle_pointer_axis (seat=0x2945ec0,
    event=0x7ffd25693020) at ../sway/input/seatop_default.c:699
        tabcontainer = 0x293d650
        active = 0x0
        new_sibling = <optimized out>
        new_focus = <optimized out>
        siblings = 0x298f110
        desired = <optimized out>
        new_sibling_con = <optimized out>
        layout = L_TABBED
        input_device = 0x2992eb0
        ic = 0x0
        cursor = 0x29464e0
        e = 0x2946b80
        surface = 0x0
        sx = 2.138295562070048e-316
        sy = 2.2762070701875902e-316
        node = 0x2befca0
        cont = 0x2befca0
        edge = WLR_EDGE_NONE
        on_border = false
        on_titlebar = true
        on_titlebar_border = false
        on_contents = false
        on_workspace = false
        scroll_factor = 1
        handled = false
        keyboard = 0x229adb0
        modifiers = 0
        device = 0x2994740
        dev_id = 0x2b61c90 "0:0:wayland"
        button = 769
        binding = 0x0
#1  0x000000000043831f in seatop_pointer_axis (seat=0x2945ec0, event=event@entry=0x7ffd25693020) at ../sway/input/seat.c:1509
No locals.
#2  0x000000000042dcf8 in dispatch_cursor_axis (cursor=cursor@entry=0x29464e0, event=event@entry=0x7ffd25693020) at ../sway/input/cursor.c:430
No locals.
#3  0x000000000042dd4a in handle_pointer_axis (listener=0x2946658, data=0x7ffd25693020) at ../sway/input/cursor.c:437
        cursor = 0x29464e0
        event = 0x7ffd25693020
#4  0x00007f44c480241c in wlr_signal_emit_safe () from /nix/store/f3nssqbd3z2jhkv9vir8wzq4hbw6x7cb-wlroots-master/lib/libwlroots.so.6
No symbol table info available.
#5  0x00007f44c480241c in wlr_signal_emit_safe () from /nix/store/f3nssqbd3z2jhkv9vir8wzq4hbw6x7cb-wlroots-master/lib/libwlroots.so.6
No symbol table info available.
#6  0x00007f44c47d1cc7 in pointer_handle_axis () from /nix/store/f3nssqbd3z2jhkv9vir8wzq4hbw6x7cb-wlroots-master/lib/libwlroots.so.6
No symbol table info available.
#7  0x00007f44c3e5eabd in ffi_call_unix64 () from /nix/store/s0mblhs5vmjza9dmipn74rwqflxy1fw7-libffi-3.3/lib/libffi.so.7
No symbol table info available.
#8  0x00007f44c3e5d79c in ffi_call_int () from /nix/store/s0mblhs5vmjza9dmipn74rwqflxy1fw7-libffi-3.3/lib/libffi.so.7
No symbol table info available.
#9  0x00007f44c3d941b0 in wl_closure_invoke () from /nix/store/y2l7rx1dc0bsfsk5jjh3jxjir0cqzk0f-wayland-1.18.0/lib/libwayland-client.so.0
No symbol table info available.
#10 0x00007f44c3d90ad8 in dispatch_event.isra () from /nix/store/y2l7rx1dc0bsfsk5jjh3jxjir0cqzk0f-wayland-1.18.0/lib/libwayland-client.so.0
No symbol table info available.
#11 0x00007f44c3d9208c in wl_display_dispatch_queue_pending () from /nix/store/y2l7rx1dc0bsfsk5jjh3jxjir0cqzk0f-wayland-1.18.0/lib/libwayland-client.so.0
No symbol table info available.
#12 0x00007f44c47cfd64 in dispatch_events () from /nix/store/f3nssqbd3z2jhkv9vir8wzq4hbw6x7cb-wlroots-master/lib/libwlroots.so.6
No symbol table info available.
#13 0x00007f44c484f402 in wl_event_loop_dispatch () from /nix/store/y2l7rx1dc0bsfsk5jjh3jxjir0cqzk0f-wayland-1.18.0/lib/libwayland-server.so.0
No symbol table info available.
#14 0x00007f44c484d9e5 in wl_display_run () from /nix/store/y2l7rx1dc0bsfsk5jjh3jxjir0cqzk0f-wayland-1.18.0/lib/libwayland-server.so.0
No symbol table info available.
#15 0x000000000041ec74 in server_run (server=server@entry=0x496060 <server>) at ../sway/server.c:244
No locals.
#16 0x000000000041e151 in main (argc=3, argv=0x7ffd25693788) at ../sway/main.c:412
        verbose = 0
        debug = 0
        validate = 0
        allow_unsupported_gpu = 0
        long_options = {{name = 0x478108 "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x47810d "config", has_arg = 1, flag = 0x0, val = 99}, {name = 0x478114 "validate", has_arg = 0, flag = 0x0, val = 67}, {name = 0x47811d "debug", has_arg = 0, flag = 0x0, val = 100}, {name = 0x478123 "version", has_arg = 0, flag = 0x0, val = 118}, {
            name = 0x47812b "verbose", has_arg = 0, flag = 0x0, val = 86}, {name = 0x478133 "get-socketpath", has_arg = 0, flag = 0x0, val = 112}, {name = 0x478142 "unsupported-gpu", has_arg = 0, flag = 0x0, val = 117}, {name = 0x478152 "my-next-gpu-wont-be-nvidia", has_arg = 0, flag = 0x0, val = 117}, {name = 0x0, has_arg = 0, flag = 0x0,
            val = 0}}
        config_path = 0x228fa90 "./config"
        usage = 0x477c18 "Usage: sway [options] [command]\n\n  -h, --help", ' ' <repeats 13 times>, "Show help message and quit.\n  -c, --config <config>  Specify a config file.\n  -C, --validate         Check the validity of the config file, th"...
        c = -1

[Xyene]

~Regressed in https://github.com/swaywm/sway/commit/c523aa623bc5e5b5897c0f337058aa7308871fef, will send a patch soon-ish.~ Actually, this was broken before (and you mentioned it happened 1.5 as well, I just didn't notice).

[fgclue]

Was this patched? I can't replicate.