Dmitry Vyukov

Results 530 comments of Dmitry Vyukov

``` +// "For atomic operations A and B on an atomic object M, where A modifies M and +// B takes its value, if there is a memory_order_seq_cst fence X...

If it causes confusion, then we can re-purpose this PR to add an explanatory comment.

Will this work for the original use for `ptr[in, filename]`? We could also "inline" syz_create_resource in C reproducers, and specialize it during generation/mutation.

> @tarasmadan does it ring any bells with you? Seems like some problem in our presubmit test running infra. This is an error from `t.TempDir`. It just calls `os.RemoveAll` and...

I don't know what's the best answer here. Both failing the tool and ignoring the kernel bug bad. Ideally of course kernel does not crash on such simple actions like...

I did not record exact kernel revision/config, etc. But also used something similar to dashboard/config/linux/upstream-apparmor-kasan.config. If looks like your kernel/VM is somehow mis-configured based on very frequent "no output from...

Probably better to use the other function to reduce compiler noise.

syz-manager started consuming 154GB: ``` [4461333.409807] Out of memory: Killed process 1054086 (syz-manager) total-vm:189440544kB, anon-rss:154630292kB, file-rss:3744kB, shmem-rss:0kB, UID:96855 pgtables:368196kB oom_score_adj:0 ``` The profile shows 24GB in compress/flate.NewWriter: ``` 24.19GB 26.27%...