------------[ cut here ]------------ ODEBUG: free active (active state 0) object: ffff8880301305a8 object type: work_struct hint: kcm_tx_work+0x0/0x180 WARNING: CPU: 1 PID: 5980 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 5980 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline] WARNING: CPU: 1 PID: 5980 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020 Modules linked in: CPU: 1 PID: 5980 Comm: syz.0.28 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 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 a0 8b 1c 8b 48 c7 c6 00 88 1c 8b 48 c7 c2 20 8d 1c 8b 8b 0c 24 4d 89 f8 41 55 e8 4e 45 20 fd 48 83 c4 08 <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 a3 80 5a RSP: 0018:ffffc90003427c28 EFLAGS: 00010286 RAX: c01a9020b0f65a00 RBX: ffffffff974dc528 RCX: ffff88802a9f1e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffffff8ac9f640 R08: ffffc90003427827 R09: 1ffff92000684f04 R10: dffffc0000000000 R11: fffff52000684f05 R12: ffff8880301306c0 R13: ffffffff89b253a0 R14: ffff888030130000 R15: ffff8880301305a8 FS: 00007fc52e44c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc52e44bff8 CR3: 00000000312d3000 CR4: 00000000003506e0 Call Trace: slab_free_hook mm/slub.c:1786 [inline] slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] kmem_cache_free+0xf8/0x270 mm/slub.c:3852 sk_prot_free net/core/sock.c:2133 [inline] __sk_destruct+0x4d1/0x660 net/core/sock.c:2230 kcm_release+0x524/0x5b0 net/kcm/kcmsock.c:1738 __sock_release net/socket.c:659 [inline] sock_close+0xbd/0x230 net/socket.c:1420 __fput+0x234/0x970 fs/file_table.c:384 __do_sys_close fs/open.c:1573 [inline] __se_sys_close+0x15f/0x220 fs/open.c:1558 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fc52d59aeb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc52e44c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007fc52d816180 RCX: 00007fc52d59aeb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000026 RBP: 00007fc52d608c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc52d816218 R14: 00007fc52d816180 R15: 00007ffc689b64c8