------------[ cut here ]------------ ODEBUG: free active (active state 0) object: ffff888179171b60 object type: work_struct hint: kcm_tx_work+0x0/0x140 WARNING: CPU: 1 PID: 4577 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 4577 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline] WARNING: CPU: 1 PID: 4577 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020 Modules linked in: CPU: 1 PID: 4577 Comm: syz.5.37 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 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 80 b0 6f 85 48 c7 c6 40 ad 6f 85 48 c7 c2 c0 b1 6f 85 8b 0c 24 4d 89 f8 41 55 e8 8e f8 73 02 48 83 c4 08 <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 e3 8c 75 RSP: 0018:ffffc900047efc40 EFLAGS: 00010292 RAX: f89d73084732eb00 RBX: ffffffff8bd5e430 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 00000000ffffffff RBP: ffffffff85461960 R08: ffffc900047ef867 R09: 1ffff920008fdf0c R10: dffffc0000000000 R11: fffff520008fdf0d R12: ffff888179171c78 R13: ffffffff84aec7b0 R14: ffff888179171000 R15: ffff888179171b60 FS: 00007f1bf953a6c0(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1bf9539f98 CR3: 00000001640a2000 CR4: 00000000003506e0 Call Trace: slab_free_hook mm/slub.c:1786 [inline] slab_free_freelist_hook+0xd2/0x1b0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] kmem_cache_free+0xf8/0x280 mm/slub.c:3852 sk_prot_free net/core/sock.c:2133 [inline] __sk_destruct+0x314/0x410 net/core/sock.c:2230 kcm_release+0x3b1/0x550 net/kcm/kcmsock.c:1738 __sock_release net/socket.c:659 [inline] sock_close+0xb3/0x210 net/socket.c:1421 __fput+0x1b1/0x790 fs/file_table.c:384 __do_sys_close fs/open.c:1571 [inline] __se_sys_close+0x118/0x170 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: 0033:0x7f1bf878e9a9 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:00007f1bf953a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007f1bf89b6160 RCX: 00007f1bf878e9a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007f1bf8810d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f1bf89b6160 R15: 00007ffdeb7e2528