slab net_namespace start ffff88810d713580 pointer offset 4200 size 6848
list_del corruption. prev->next should be ffff88810d4fb268, but was ffff88810d4fa9e8. (prev=ffff88810d7145e8)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP PTI
CPU: 1 UID: 0 PID: 3713 Comm: syz.3.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_del_entry_valid_or_report+0xd3/0x100 lib/list_debug.c:62
Code: fa e8 61 9d 68 ff 90 0f 0b 48 89 fb 4c 89 f7 e8 23 fb 94 ff 49 8b 16 48 c7 c7 83 ce 6c 83 48 89 de 4c 89 f1 e8 3e 9d 68 ff 90 <0f> 0b 49 89 fe 48 89 df e8 00 fb 94 ff 48 8b 53 08 48 c7 c7 be 9e
RSP: 0018:ffffc90003187d80 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88810d4fb268 RCX: 2123942e8086ad00
RDX: ffff8881b7094000 RSI: ffffffff836ea9fc RDI: 00000000ffffffff
RBP: 0000000000000001 R08: 0000000000001fff R09: ffffffff83a9bfd0
R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffff88810d4fac40
R13: ffff88810274c000 R14: ffff88810d7145e8 R15: dead000000000122
FS:  0000555588a59500(0000) GS:ffff8881b7094000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000480 CR3: 0000000105f80000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:223 [inline]
 list_del include/linux/list.h:237 [inline]
 sctp_destroy_sock+0x3c/0xe0 net/sctp/socket.c:5163
 sk_common_release+0x20/0x120 net/core/sock.c:3961
 sctp_close+0x25f/0x300 net/sctp/socket.c:1550
 inet_release+0x4f/0x70 net/ipv4/af_inet.c:437
 __sock_release net/socket.c:662 [inline]
 sock_close+0x48/0xe0 net/socket.c:1455
 __fput+0x105/0x290 fs/file_table.c:468
 task_work_run+0x87/0xb0 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xbc/0xe0 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x201/0x2f0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1a1178efc9
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:00007ffd7b28c738 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000000ebe0 RCX: 00007f1a1178efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f1a119e7da0 R08: 0000000000000001 R09: 000000057b28ca2f
R10: 0000001b32a20000 R11: 0000000000000246 R12: 00007f1a119e5fac
R13: 00007f1a119e5fa0 R14: ffffffffffffffff R15: 00007ffd7b28c850
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0xd3/0x100 lib/list_debug.c:62
Code: fa e8 61 9d 68 ff 90 0f 0b 48 89 fb 4c 89 f7 e8 23 fb 94 ff 49 8b 16 48 c7 c7 83 ce 6c 83 48 89 de 4c 89 f1 e8 3e 9d 68 ff 90 <0f> 0b 49 89 fe 48 89 df e8 00 fb 94 ff 48 8b 53 08 48 c7 c7 be 9e
RSP: 0018:ffffc90003187d80 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88810d4fb268 RCX: 2123942e8086ad00
RDX: ffff8881b7094000 RSI: ffffffff836ea9fc RDI: 00000000ffffffff
RBP: 0000000000000001 R08: 0000000000001fff R09: ffffffff83a9bfd0
R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffff88810d4fac40
R13: ffff88810274c000 R14: ffff88810d7145e8 R15: dead000000000122
FS:  0000555588a59500(0000) GS:ffff8881b7094000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000480 CR3: 0000000105f80000 CR4: 00000000003506f0