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ODEBUG: free active (active state 0) object: ffff888061b31b60 object type: work_struct hint: kcm_tx_work+0x0/0x180
WARNING: CPU: 0 PID: 5991 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 0 PID: 5991 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
WARNING: CPU: 0 PID: 5991 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020
Modules linked in:
CPU: 0 PID: 5991 Comm: syz.0.22 Not tainted 6.6.99-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
RIP: 0010:debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020
Code: 4c 8b 4d 00 48 c7 c7 40 70 fc 8a 48 c7 c6 a0 6c fc 8a 48 c7 c2 c0 71 fc 8a 8b 0c 24 4d 89 f8 41 55 e8 0e a5 2a fd 48 83 c4 08 <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 e3 4b 25
RSP: 0018:ffffc90003617c28 EFLAGS: 00010286
RAX: d6194c03b75c4000 RBX: ffffffff9711bd68 RCX: ffff88802b58bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffffff8aa9e760 R08: ffffc90003617827 R09: 1ffff920006c2f04
R10: dffffc0000000000 R11: fffff520006c2f05 R12: ffff888061b31c78
R13: ffffffff899e16b0 R14: ffff888061b31000 R15: ffff888061b31b60
FS: 00007fdaa36386c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdaa3637f98 CR3: 000000002f38d000 CR4: 00000000003506f0
Call Trace:
<TASK>
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook+0xd2/0x1b0 mm/slub.c:1832
slab_free mm/slub.c:3816 [inline]
kmem_cache_free+0xf8/0x280 mm/slub.c:3838
sk_prot_free net/core/sock.c:2128 [inline]
__sk_destruct+0x485/0x620 net/core/sock.c:2222
kcm_release+0x524/0x5b0 net/kcm/kcmsock.c:1738
__sock_release net/socket.c:659 [inline]
sock_close+0xbd/0x230 net/socket.c:1421
__fput+0x234/0x970 fs/file_table.c:384
__do_sys_close fs/open.c:1571 [inline]
__se_sys_close+0x15f/0x220 fs/open.c:1556
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdaa278e9a9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdaa3638038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fdaa29b6160 RCX: 00007fdaa278e9a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007fdaa2810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fdaa29b6160 R15: 00007ffe7026ad98
</TASK>