On Mar 4, 2021, at 10:06 PM, Palash Oswal <oswalpalash@xxxxxxxxx> wrote: > > Hello, > > I was running syzkaller and I found the following issue : > Head Commit : 27e543cca13fab05689b2d0d61d200a83cfb00b6 ( v5.11.2 ) > Git Tree : stable > > Console logs: > watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor497:423] > Modules linked in: > CPU: 0 PID: 423 Comm: syz-executor497 Not tainted 5.11.2 #13 > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1 04/01/2014 > RIP: 0010:__io_cqring_events fs/io_uring.c:1732 [inline] > RIP: 0010:io_cqring_events fs/io_uring.c:2399 [inline] > RIP: 0010:io_should_wake fs/io_uring.c:7190 [inline] > RIP: 0010:io_cqring_wait fs/io_uring.c:7283 [inline] > RIP: 0010:__do_sys_io_uring_enter+0x6b9/0x1040 fs/io_uring.c:9389 > Code: 00 00 e8 ea 9a cd ff 31 ff 44 89 e6 e8 30 9d cd ff 45 85 e4 0f > 85 5c 08 00 00 e8 d2 9a cd ff 48 8b 5d c0 48 8b 83 c0 00 00 00 <8b> 88 > 80 00 00 00 8b 83 00 02 00 00 29 c8 8b 4d c8 89 c7 89 85 78 > watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor497:416] > RSP: 0018:ffffc900001efe58 EFLAGS: 00000293 https://git.kernel.dk/cgit/linux-block/commit/?h=io_uring-5.12&id=701b8b187525e3b90cbcab4dbc073f42dbcc4059 — Jens Axboe
