------------[ cut here ]------------
ODEBUG: free active (active state 1) object: ffff88807bea3228 object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 5788 at lib/debugobjects.c:509 debug_print_object+0x194/0x2c0 lib/debugobjects.c:509
Modules linked in:
CPU: 1 PID: 5788 Comm: kworker/1:15 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events io_fallback_req_func
RIP: 0010:debug_print_object+0x194/0x2c0 lib/debugobjects.c:509
Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 c7 00 00 00 48 8b 14 dd c0 dc a6 8a 50 4c 89 ee 48 c7 c7 80 d0 a6 8a e8 00 79 ae 05 <0f> 0b 58 83 05 ce 27 66 0a 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc9001485f950 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff88801e349d40 RSI: ffffffff8166972c RDI: fffff5200290bf1c
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8a4dd0a0
R13: ffffffff8aa6d580 R14: ffff888078e820f8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33227000 CR3: 000000001e060000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__debug_check_no_obj_freed lib/debugobjects.c:996 [inline]
debug_check_no_obj_freed+0x305/0x420 lib/debugobjects.c:1027
slab_free_hook mm/slub.c:1756 [inline]
slab_free_freelist_hook+0xeb/0x1c0 mm/slub.c:1807
slab_free mm/slub.c:3787 [inline]
kmem_cache_free+0xec/0x4e0 mm/slub.c:3809
put_task_struct_many include/linux/sched/task.h:125 [inline]
__io_put_task+0x155/0x1e0 io_uring/io_uring.c:725
io_put_task io_uring/io_uring.h:328 [inline]
__io_req_complete_post+0x7ac/0xcd0 io_uring/io_uring.c:978
io_req_complete_post+0xf1/0x1a0 io_uring/io_uring.c:992
io_req_task_complete+0x189/0x260 io_uring/io_uring.c:1623
io_poll_task_func+0xa95/0x1220 io_uring/poll.c:347
io_fallback_req_func+0xfd/0x204 io_uring/io_uring.c:252
process_one_work+0x9bf/0x1750 kernel/workqueue.c:2293
worker_thread+0x669/0x1090 kernel/workqueue.c:2440
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>