[ 20.209597][ T231] ==================================================================
[ 20.209991][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 20.210343][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 20.210646][ T231]
[ 20.210750][ T231] CPU: 3 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.210756][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.210761][ T231] Call Trace:
[ 20.210763][ T231]
[ 20.210765][ T231] dump_stack_lvl+0x82/0xc0
[ 20.210778][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 20.210781][ T231] kasan_report+0xca/0x100
[ 20.210789][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 20.210795][ T231] kasan_check_range+0x39/0x1b0
[ 20.210799][ T231] try_to_grab_pending+0x81/0x6c0
[ 20.210804][ T231] __cancel_work+0x7c/0x260
[ 20.210808][ T231] ? enable_delayed_work+0x10/0x10
[ 20.210813][ T231] ? qdisc_destroy+0x50/0x50
[ 20.210820][ T231] __cancel_work_sync+0x18/0xc0
[ 20.210825][ T231] __dev_close_many+0x1ce/0x810
[ 20.210830][ T231] ? netdev_notify_peers+0x20/0x20
[ 20.210834][ T231] ? netif_close_many+0x201/0x650
[ 20.210838][ T231] netif_close_many+0x201/0x650
[ 20.210842][ T231] ? __dev_close_many+0x810/0x810
[ 20.210845][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.210850][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 20.210855][ T231] ? try_to_wake_up+0x16e/0xd80
[ 20.210861][ T231] ? sched_ttwu_pending+0x530/0x530
[ 20.210864][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 20.210868][ T231] ? find_held_lock+0x2b/0x80
[ 20.210872][ T231] ? __queue_work+0x322/0xab0
[ 20.210875][ T231] ? __lock_release+0x5d/0x170
[ 20.210880][ T231] ? __queue_work+0x322/0xab0
[ 20.210885][ T231] unregister_netdevice_queue+0x29e/0x410
[ 20.210889][ T231] ? unregister_netdevice_many+0x20/0x20
[ 20.210892][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 20.210896][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 20.210902][ T231] __tun_detach+0xd4a/0x10d0
[ 20.210910][ T231] tun_chr_close+0xae/0x1c0
[ 20.210914][ T231] __fput+0x35c/0xa70
[ 20.210923][ T231] fput_close_sync+0xdd/0x1b0
[ 20.210926][ T231] ? alloc_file_clone+0xf0/0xf0
[ 20.210931][ T231] __x64_sys_close+0x7d/0xd0
[ 20.210935][ T231] do_syscall_64+0xc1/0xfd0
[ 20.210943][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 20.210947][ T231] RIP: 0033:0x4901eb
[ 20.210952][ T231] Code: 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 c3 78 04 00 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 21 79 04 00 8b 44
[ 20.210955][ T231] RSP: 002b:00007ffeeb82c7d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 20.210960][ T231] RAX: ffffffffffffffda RBX: 00007ffeeb82cd30 RCX: 00000000004901eb
[ 20.210962][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 20.210964][ T231] RBP: 00007ffeeb82c810 R08: 0000000000000000 R09: 0000000000000000
[ 20.210966][ T231] R10: 0000000008a7c230 R11: 0000000000000293 R12: 00007ffeeb82cca8
[ 20.210968][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 20.210975][ T231]
[ 20.210976][ T231] ==================================================================
[ 20.224881][ T231] Disabling lock debugging due to kernel taint
[ 20.225277][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 20.225724][ T231] #PF: supervisor write access in kernel mode
[ 20.226045][ T231] #PF: error_code(0x0002) - not-present page
[ 20.226377][ T231] PGD 9f6e067 P4D 9f6e067 PUD 9d49067 PMD 0
[ 20.226761][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 20.227066][ T231] CPU: 3 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.227727][ T231] Tainted: [B]=BAD_PAGE
[ 20.227959][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.228315][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.228694][ T231] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 20.229754][ T231] RSP: 0018:ffffc90000aa7900 EFLAGS: 00010046
[ 20.230130][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb783e90a
[ 20.230580][ T231] RDX: fffffbfff774a0cd RSI: 0000000000000008 RDI: ffffffffbba50660
[ 20.231021][ T231] RBP: ffffc90000aa7968 R08: 0000000000000001 R09: fffffbfff774a0cc
[ 20.231502][ T231] R10: ffffffffbba50667 R11: ffffc90000aa73c0 R12: 0000000000000000
[ 20.231966][ T231] R13: 0000000000000286 R14: ffff88800cb58000 R15: dffffc0000000000
[ 20.232411][ T231] FS: 0000000008a753c0(0000) GS:ffff88807a99b000(0000) knlGS:0000000000000000
[ 20.232947][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.233331][ T231] CR2: 0000000000000000 CR3: 0000000008531002 CR4: 0000000000772ef0
[ 20.233776][ T231] PKRU: 55555554
[ 20.234029][ T231] Call Trace:
[ 20.234260][ T231]
[ 20.234424][ T231] __cancel_work+0x7c/0x260
[ 20.234746][ T231] ? enable_delayed_work+0x10/0x10
[ 20.235058][ T231] ? qdisc_destroy+0x50/0x50
[ 20.235365][ T231] __cancel_work_sync+0x18/0xc0
[ 20.235608][ T231] __dev_close_many+0x1ce/0x810
[ 20.235804][ T231] ? netdev_notify_peers+0x20/0x20
[ 20.235993][ T231] ? netif_close_many+0x201/0x650
[ 20.236191][ T231] netif_close_many+0x201/0x650
[ 20.236386][ T231] ? __dev_close_many+0x810/0x810
[ 20.236575][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.236811][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 20.237048][ T231] ? try_to_wake_up+0x16e/0xd80
[ 20.237242][ T231] ? sched_ttwu_pending+0x530/0x530
[ 20.237435][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 20.237626][ T231] ? find_held_lock+0x2b/0x80
[ 20.237817][ T231] ? __queue_work+0x322/0xab0
[ 20.238003][ T231] ? __lock_release+0x5d/0x170
[ 20.238205][ T231] ? __queue_work+0x322/0xab0
[ 20.238395][ T231] unregister_netdevice_queue+0x29e/0x410
[ 20.238586][ T231] ? unregister_netdevice_many+0x20/0x20
[ 20.238781][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 20.238971][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 20.239173][ T231] __tun_detach+0xd4a/0x10d0
[ 20.239367][ T231] tun_chr_close+0xae/0x1c0
[ 20.239558][ T231] __fput+0x35c/0xa70
[ 20.239708][ T231] fput_close_sync+0xdd/0x1b0
[ 20.239896][ T231] ? alloc_file_clone+0xf0/0xf0
[ 20.240087][ T231] __x64_sys_close+0x7d/0xd0
[ 20.240360][ T231] do_syscall_64+0xc1/0xfd0
[ 20.240597][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 20.240845][ T231] RIP: 0033:0x4901eb
[ 20.240999][ T231] Code: 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 c3 78 04 00 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 21 79 04 00 8b 44
[ 20.241676][ T231] RSP: 002b:00007ffeeb82c7d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 20.241968][ T231] RAX: ffffffffffffffda RBX: 00007ffeeb82cd30 RCX: 00000000004901eb
[ 20.242269][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 20.242552][ T231] RBP: 00007ffeeb82c810 R08: 0000000000000000 R09: 0000000000000000
[ 20.242849][ T231] R10: 0000000008a7c230 R11: 0000000000000293 R12: 00007ffeeb82cca8
[ 20.243144][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 20.243433][ T231]
[ 20.243576][ T231] Modules linked in:
[ 20.243730][ T231] CR2: 0000000000000000
[ 20.243882][ T231] ---[ end trace 0000000000000000 ]---
[ 20.244077][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.244327][ T231] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 20.244992][ T231] RSP: 0018:ffffc90000aa7900 EFLAGS: 00010046
[ 20.245237][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb783e90a
[ 20.245518][ T231] RDX: fffffbfff774a0cd RSI: 0000000000000008 RDI: ffffffffbba50660
[ 20.245803][ T231] RBP: ffffc90000aa7968 R08: 0000000000000001 R09: fffffbfff774a0cc
[ 20.246084][ T231] R10: ffffffffbba50667 R11: ffffc90000aa73c0 R12: 0000000000000000
[ 20.246377][ T231] R13: 0000000000000286 R14: ffff88800cb58000 R15: dffffc0000000000
[ 20.246667][ T231] FS: 0000000008a753c0(0000) GS:ffff88807a99b000(0000) knlGS:0000000000000000
[ 20.246993][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.247236][ T231] CR2: 0000000000000000 CR3: 0000000008531002 CR4: 0000000000772ef0
[ 20.247523][ T231] PKRU: 55555554
[ 20.247665][ T231] Kernel panic - not syncing: Fatal exception
[ 20.247990][ T231] Kernel Offset: 0x36200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 20.248416][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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Ctrl-C stderr
Ctrl-C stderr
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