[ 18.562277][ T231] ==================================================================
[ 18.562737][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.563132][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 18.563511][ T231]
[ 18.563646][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.563653][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.563656][ T231] Call Trace:
[ 18.563660][ T231]
[ 18.563663][ T231] dump_stack_lvl+0x82/0xc0
[ 18.563673][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 18.563678][ T231] kasan_report+0xca/0x100
[ 18.563687][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 18.563696][ T231] kasan_check_range+0x39/0x1b0
[ 18.563702][ T231] try_to_grab_pending+0x81/0x6c0
[ 18.563709][ T231] __cancel_work+0x7c/0x260
[ 18.563715][ T231] ? enable_delayed_work+0x10/0x10
[ 18.563722][ T231] ? qdisc_destroy+0x50/0x50
[ 18.563731][ T231] __cancel_work_sync+0x18/0xc0
[ 18.563738][ T231] __dev_close_many+0x1ce/0x810
[ 18.563745][ T231] ? netdev_notify_peers+0x20/0x20
[ 18.563750][ T231] ? netif_close_many+0x201/0x650
[ 18.563757][ T231] netif_close_many+0x201/0x650
[ 18.563763][ T231] ? __dev_close_many+0x810/0x810
[ 18.563768][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.563775][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.563782][ T231] ? try_to_wake_up+0x16e/0xd80
[ 18.563791][ T231] ? sched_ttwu_pending+0x530/0x530
[ 18.563796][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 18.563800][ T231] ? find_held_lock+0x2b/0x80
[ 18.563807][ T231] ? __queue_work+0x322/0xab0
[ 18.563811][ T231] ? __lock_release+0x5d/0x170
[ 18.563817][ T231] ? __queue_work+0x322/0xab0
[ 18.563824][ T231] unregister_netdevice_queue+0x29e/0x410
[ 18.563830][ T231] ? unregister_netdevice_many+0x20/0x20
[ 18.563835][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 18.563840][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.563849][ T231] __tun_detach+0xd4a/0x10d0
[ 18.563860][ T231] tun_chr_close+0xae/0x1c0
[ 18.563865][ T231] __fput+0x35c/0xa70
[ 18.563878][ T231] fput_close_sync+0xdd/0x1b0
[ 18.563883][ T231] ? alloc_file_clone+0xf0/0xf0
[ 18.563890][ T231] __x64_sys_close+0x7d/0xd0
[ 18.563895][ T231] do_syscall_64+0xc1/0xfd0
[ 18.563903][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.563908][ T231] RIP: 0033:0x4901eb
[ 18.563915][ 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
[ 18.563919][ T231] RSP: 002b:00007ffda0703fa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.563925][ T231] RAX: ffffffffffffffda RBX: 00007ffda0704500 RCX: 00000000004901eb
[ 18.563928][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.563931][ T231] RBP: 00007ffda0703fe0 R08: 0000000000000000 R09: 0000000000000000
[ 18.563933][ T231] R10: 000000001d566d80 R11: 0000000000000293 R12: 00007ffda0704478
[ 18.563936][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.563947][ T231]
[ 18.563949][ T231] ==================================================================
[ 18.577768][ T231] Disabling lock debugging due to kernel taint
[ 18.578082][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.578465][ T231] #PF: supervisor write access in kernel mode
[ 18.578762][ T231] #PF: error_code(0x0002) - not-present page
[ 18.579060][ T231] PGD 1011d067 P4D 1011d067 PUD 4c0d067 PMD 0
[ 18.579363][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.579610][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.580151][ T231] Tainted: [B]=BAD_PAGE
[ 18.580333][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.580635][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.580949][ 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
[ 18.581801][ T231] RSP: 0018:ffffc90000aa7900 EFLAGS: 00010046
[ 18.582102][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa0c3e90a
[ 18.582457][ T231] RDX: fffffbfff49ca0cd RSI: 0000000000000008 RDI: ffffffffa4e50660
[ 18.582810][ T231] RBP: ffffc90000aa7968 R08: 0000000000000001 R09: fffffbfff49ca0cc
[ 18.583166][ T231] R10: ffffffffa4e50667 R11: ffffc90000aa73c0 R12: 0000000000000000
[ 18.583524][ T231] R13: 0000000000000286 R14: ffff888010f98000 R15: dffffc0000000000
[ 18.583884][ T231] FS: 000000001d54c3c0(0000) GS:ffff88809151b000(0000) knlGS:0000000000000000
[ 18.584298][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.584601][ T231] CR2: 0000000000000000 CR3: 0000000004d0d004 CR4: 0000000000772ef0
[ 18.584965][ T231] PKRU: 55555554
[ 18.585156][ T231] Call Trace:
[ 18.585333][ T231]
[ 18.585460][ T231] __cancel_work+0x7c/0x260
[ 18.585704][ T231] ? enable_delayed_work+0x10/0x10
[ 18.585948][ T231] ? qdisc_destroy+0x50/0x50
[ 18.586189][ T231] __cancel_work_sync+0x18/0xc0
[ 18.586422][ T231] __dev_close_many+0x1ce/0x810
[ 18.586665][ T231] ? netdev_notify_peers+0x20/0x20
[ 18.586908][ T231] ? netif_close_many+0x201/0x650
[ 18.587143][ T231] netif_close_many+0x201/0x650
[ 18.587378][ T231] ? __dev_close_many+0x810/0x810
[ 18.587614][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.587908][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.588199][ T231] ? try_to_wake_up+0x16e/0xd80
[ 18.588434][ T231] ? sched_ttwu_pending+0x530/0x530
[ 18.588674][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 18.588912][ T231] ? find_held_lock+0x2b/0x80
[ 18.589145][ T231] ? __queue_work+0x322/0xab0
[ 18.589379][ T231] ? __lock_release+0x5d/0x170
[ 18.589623][ T231] ? __queue_work+0x322/0xab0
[ 18.589861][ T231] unregister_netdevice_queue+0x29e/0x410
[ 18.590100][ T231] ? unregister_netdevice_many+0x20/0x20
[ 18.590344][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 18.590583][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.590819][ T231] __tun_detach+0xd4a/0x10d0
[ 18.591060][ T231] tun_chr_close+0xae/0x1c0
[ 18.591454][ T231] __fput+0x35c/0xa70
[ 18.591644][ T231] fput_close_sync+0xdd/0x1b0
[ 18.591880][ T231] ? alloc_file_clone+0xf0/0xf0
[ 18.592119][ T231] __x64_sys_close+0x7d/0xd0
[ 18.592548][ T231] do_syscall_64+0xc1/0xfd0
[ 18.592803][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.593096][ T231] RIP: 0033:0x4901eb
[ 18.593286][ 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
[ 18.594325][ T231] RSP: 002b:00007ffda0703fa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.594853][ T231] RAX: ffffffffffffffda RBX: 00007ffda0704500 RCX: 00000000004901eb
[ 18.595226][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.595586][ T231] RBP: 00007ffda0703fe0 R08: 0000000000000000 R09: 0000000000000000
[ 18.596112][ T231] R10: 000000001d566d80 R11: 0000000000000293 R12: 00007ffda0704478
[ 18.596469][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.596837][ T231]
[ 18.597176][ T231] Modules linked in:
[ 18.597363][ T231] CR2: 0000000000000000
[ 18.597543][ T231] ---[ end trace 0000000000000000 ]---
[ 18.597782][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.598253][ 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
[ 18.599093][ T231] RSP: 0018:ffffc90000aa7900 EFLAGS: 00010046
[ 18.599546][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa0c3e90a
[ 18.599898][ T231] RDX: fffffbfff49ca0cd RSI: 0000000000000008 RDI: ffffffffa4e50660
[ 18.600242][ T231] RBP: ffffc90000aa7968 R08: 0000000000000001 R09: fffffbfff49ca0cc
[ 18.600592][ T231] R10: ffffffffa4e50667 R11: ffffc90000aa73c0 R12: 0000000000000000
[ 18.600944][ T231] R13: 0000000000000286 R14: ffff888010f98000 R15: dffffc0000000000
[ 18.601453][ T231] FS: 000000001d54c3c0(0000) GS:ffff88809151b000(0000) knlGS:0000000000000000
[ 18.601857][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.602150][ T231] CR2: 0000000000000000 CR3: 0000000004d0d004 CR4: 0000000000772ef0
[ 18.602663][ T231] PKRU: 55555554
[ 18.602839][ T231] Kernel panic - not syncing: Fatal exception
[ 18.603232][ T231] Kernel Offset: 0x1f600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.603966][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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