RBP: 0000000020003580 R08: 0000000020003640 R09: 0000000020003640
R10: 0000000020003600 R11: 0000000000000202 R12: 0000000020003640
R13: 0000000020ffb000 R14: 0000000020003600 R15: 0000000020ffc000
------------[ cut here ]------------
WARNING: io_uring/io_uring.c:3040 at io_ring_exit_work+0xc86/0xf60, CPU#0: kworker/u9:2/67
Modules linked in:
CPU: 0 UID: 0 PID: 67 Comm: kworker/u9:2 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: iou_exit io_ring_exit_work
RIP: 0010:io_ring_exit_work+0xc86/0xf60
Code: 65 48 2b 05 e4 fc 3d 05 0f 85 55 01 00 00 48 81 c4 40 01 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c0 d3 77 02 e8 3b b4 2d ff 90 <0f> 0b 90 48 c7 44 24 08 60 ea 00 00 e9 13 f7 ff ff e8 24 b4 2d ff
RSP: 0018:ffff88800f097b08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801600c6c8 RCX: ffffffff82462a61
RDX: ffff888009dc5280 RSI: ffffffff82463345 RDI: 0000000000000007
RBP: ffff88801600c000 R08: 0000000000000001 R09: ffffed1001e12f4a
R10: ffffffffffffffd6 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffffffffffffd6 R14: ffff88801600c03f R15: ffff88801600c040
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff7474ac48 CR3: 00000000166cb000 CR4: 0000000000350ef0
Call Trace:
process_one_work+0x8e1/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x34b/0x430
ret_from_fork_asm+0x1a/0x30
irq event stamp: 377929
hardirqs last enabled at (377939): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (377948): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (377788): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (377967): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 18687 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kvmalloc_node_noprof+0x111/0x760
io_alloc_cache_init+0x38/0x170
io_uring_setup+0x667/0x2000
__x64_sys_io_uring_setup+0xc8/0x170
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0726626b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0723b9c108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f0726739f60 RCX: 00007f0726626b19
RDX: 0000000020ffb000 RSI: 0000000020003580 RDI: 00000000000032e7
RBP: 0000000020003580 R08: 0000000020003640 R09: 0000000020003640
R10: 0000000020003600 R11: 0000000000000202 R12: 0000000020003640
R13: 0000000020ffb000 R14: 0000000020003600 R15: 0000000020ffc000
lo: entered allmulticast mode
lo: left allmulticast mode
lo: entered allmulticast mode
lo: left allmulticast mode