netdevsim netdevsim3 netdevsim0 (unregistering): unset [0, 0] type 1 family 0 port 8472 - 0
netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 20004 - 0
------------[ cut here ]------------
1
WARNING: drivers/net/netdevsim/netdev.c:1202 at nsim_destroy+0x510/0x830, CPU#1: syz-executor/30834
Modules linked in:
CPU: 1 UID: 0 PID: 30834 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:nsim_destroy+0x510/0x830
Code: c4 48 89 c6 48 81 e6 00 f0 00 00 31 ff e8 18 0d a0 fa 4c 89 e0 48 25 00 f0 00 00 74 0c e8 28 08 a0 fa eb 2e e8 21 08 a0 fa 90 <0f> 0b 90 41 ff c4 41 0f b7 d4 be 00 10 00 00 4c 89 ff e8 f9 ba 8a
RSP: 0018:ffffc90004fd7808 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881a304ce10 RCX: ffff8881baae3b00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff903365f7 R09: 1ffffffff2066cbe
R10: dffffc0000000000 R11: fffffbfff2066cbf R12: 0000000000000000
R13: ffff8881a304c000 R14: ffff8881a304ce00 R15: ffff8881a304d548
FS:  00005555571b3500(0000) GS:ffff8882a921b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000030000 CR3: 00000001911f6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 __nsim_dev_port_del+0x14f/0x200
 nsim_dev_reload_destroy+0x288/0x490
 nsim_drv_remove+0x58/0x170
 device_release_driver_internal+0x46f/0x870
 bus_remove_device+0x455/0x570
 device_del+0x527/0x8f0
 device_unregister+0x21/0xf0
 del_device_store+0x2b0/0x370
 kernfs_fop_write_iter+0x3af/0x540
 vfs_write+0x61d/0xb90
 ksys_write+0x150/0x270
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe28915d04e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd25828018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00005555571b3500 RCX: 00007fe28915d04e
RDX: 0000000000000001 RSI: 00007ffd258280a0 RDI: 0000000000000005
RBP: 00007fe289233514 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd258280a0 R14: 00007fe289f44620 R15: 0000000000000003
 </TASK>
