bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 0 UID: 0 PID: 6899 Comm: kworker/u8:11 Not tainted 6.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: netns cleanup_net
RIP: 0010:__lock_acquire+0xe1/0x3ce0 kernel/locking/lockdep.c:5065
Code: d0 7c 08 84 d2 0f 85 96 14 00 00 8b 0d 10 58 f5 0e 85 c9 0f 84 dd 0d 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 02 2d 00 00 49 8b 04 24 48 3d 20 a7 79 93 0f 84
RSP: 0018:ffffc90003da78d8 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 1ffff920007b4f2d RDI: 0000000000000018
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff905f808f R11: 0000000000000000 R12: 0000000000000018
R13: 0000000000000018 R14: 0000000000000000 R15: ffff88807bdd0000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2441c0 CR3: 000000007bc68000 CR4: 0000000000350ef0
Call Trace:
<TASK>
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
put_pwq_unlocked kernel/workqueue.c:1662 [inline]
put_pwq_unlocked kernel/workqueue.c:1655 [inline]
destroy_workqueue+0x5dd/0xaa0 kernel/workqueue.c:5883
tipc_topsrv_work_stop net/tipc/topsrv.c:653 [inline]
tipc_topsrv_stop net/tipc/topsrv.c:717 [inline]
tipc_topsrv_exit_net+0x2a4/0x3b0 net/tipc/topsrv.c:730
ops_exit_list+0xb3/0x180 net/core/net_namespace.c:173
cleanup_net+0x5b7/0xb40 net/core/net_namespace.c:626
process_one_work+0x9c8/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c4/0x3a0 kernel/kthread.c:389
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xe1/0x3ce0 kernel/locking/lockdep.c:5065
Code: d0 7c 08 84 d2 0f 85 96 14 00 00 8b 0d 10 58 f5 0e 85 c9 0f 84 dd 0d 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 02 2d 00 00 49 8b 04 24 48 3d 20 a7 79 93 0f 84
RSP: 0018:ffffc90003da78d8 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 1ffff920007b4f2d RDI: 0000000000000018
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff905f808f R11: 0000000000000000 R12: 0000000000000018
R13: 0000000000000018 R14: 0000000000000000 R15: ffff88807bdd0000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2441c0 CR3: 000000007bc68000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: d0 7c 08 84 sarb -0x7c(%rax,%rcx,1)
4: d2 0f rorb %cl,(%rdi)
6: 85 96 14 00 00 8b test %edx,-0x74ffffec(%rsi)
c: 0d 10 58 f5 0e or $0xef55810,%eax
11: 85 c9 test %ecx,%ecx
13: 0f 84 dd 0d 00 00 je 0xdf6
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 4c 89 e2 mov %r12,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 02 2d 00 00 jne 0x2d36
34: 49 8b 04 24 mov (%r12),%rax
38: 48 3d 20 a7 79 93 cmp $0xffffffff9379a720,%rax
3e: 0f .byte 0xf
3f: 84 .byte 0x84