bond0 (unregistering): Releasing backup interface bond_slave_1
device bond_slave_1 left promiscuous mode
bond0 (unregistering): Releasing backup interface bond_slave_0
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
task: ffff8880a9a1e5c0 task.stack: ffff8880a9a28000
RIP: 0010:hsr_netdev_notify+0x456/0x8c0 net/hsr/hsr_main.c:64
RSP: 0000:ffff8880a9a2f788 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10279fc
RDX: 0000000000000002 RSI: ffffffff886e4a20 RDI: ffff8880908f6520
RBP: ffff8880596559c0 R08: 0000000000000001 R09: 0000000000000004
R10: ffff8880a9a1eee8 R11: ffff8880a9a1e5c0 R12: ffff888054955850
R13: ffff888054955840 R14: 0000000000000001 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbacfe31180 CR3: 00000000a91ef000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
notifier_call_chain+0x107/0x1a0 kernel/notifier.c:93
call_netdevice_notifiers+0x5e/0x70 net/core/dev.c:1687
__bond_release_one+0xf02/0x1390 drivers/net/bonding/bond_main.c:1937
bond_slave_netdev_event drivers/net/bonding/bond_main.c:3093 [inline]
bond_netdev_event+0x784/0x8c0 drivers/net/bonding/bond_main.c:3191
notifier_call_chain+0x107/0x1a0 kernel/notifier.c:93
call_netdevice_notifiers net/core/dev.c:1687 [inline]
rollback_registered_many+0x694/0xa70 net/core/dev.c:7206
unregister_netdevice_many.part.0+0x16/0x1d0 net/core/dev.c:8279
unregister_netdevice_many net/core/dev.c:8278 [inline]
default_device_exit_batch+0x2dd/0x380 net/core/dev.c:8740
ops_exit_list.isra.0+0xef/0x140 net/core/net_namespace.c:145
cleanup_net+0x3bb/0x820 net/core/net_namespace.c:484
process_one_work+0x813/0x1540 kernel/workqueue.c:2116
worker_thread+0x5d1/0x1070 kernel/workqueue.c:2250
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 03 0f 8e 5d 03 00 00 83 7b 20 04 75 b6 e8 f3 18 22 fb 48 8d 43 10 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 16 04 00 00 48 b8 00 00 00 00 00 fc ff df 4c
RIP: hsr_netdev_notify+0x456/0x8c0 net/hsr/hsr_main.c:64 RSP: ffff8880a9a2f788
---[ end trace bf60ba425da510ea ]---