On Wed, May 17, 2023 at 08:02:38PM +0800, yang lan wrote: > Hi, > > We use our modified Syzkaller to fuzz the Linux kernel and found the > following issue: > > Head Commit: f1b32fda06d2cfb8eea9680b0ba7a8b0d5b81eeb > Git Tree: stable > > Console output: https://pastebin.com/raw/Ssz6eVA6 > Kernel config: https://pastebin.com/raw/BiggLxRg > C reproducer: https://pastebin.com/raw/tM1iyfjr > Syz reproducer: https://pastebin.com/raw/CEF1R2jg > > root@syzkaller:~# uname -a > Linux syzkaller 5.10.179 #5 SMP PREEMPT Mon May 1 23:59:32 CST 2023 Does this also happen on 6.4-rc2? > x86_64 GNU/Linux > root@syzkaller:~# gcc poc_io_uring_enter.c -o poc_io_uring_enter > root@syzkaller:~# ./poc_io_uring_enter > ... > [ 244.945440][ T3106] > oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhclient,pid=4526,uid=0 > [ 244.946537][ T3106] Out of memory: Killed process 4526 (dhclient) Is this using fault injection, or a normal operation? thanks, greg k-h
