[ 17.470811][ T231] ==================================================================
[ 17.471118][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 17.471400][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 17.471661][ T231]
[ 17.471758][ T231] CPU: 0 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.471763][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.471765][ T231] Call Trace:
[ 17.471767][ T231]
[ 17.471769][ T231] dump_stack_lvl+0x82/0xc0
[ 17.471775][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 17.471779][ T231] kasan_report+0xca/0x100
[ 17.471785][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 17.471790][ T231] kasan_check_range+0x39/0x1b0
[ 17.471795][ T231] try_to_grab_pending+0x81/0x6c0
[ 17.471800][ T231] __cancel_work+0x7c/0x260
[ 17.471803][ T231] ? enable_delayed_work+0x10/0x10
[ 17.471808][ T231] ? qdisc_destroy+0x50/0x50
[ 17.471814][ T231] __cancel_work_sync+0x18/0xc0
[ 17.471819][ T231] __dev_close_many+0x1ce/0x810
[ 17.471823][ T231] ? netdev_notify_peers+0x20/0x20
[ 17.471827][ T231] ? netif_close_many+0x201/0x650
[ 17.471831][ T231] netif_close_many+0x201/0x650
[ 17.471835][ T231] ? __dev_close_many+0x810/0x810
[ 17.471838][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.471842][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.471847][ T231] ? try_to_wake_up+0x16e/0xd80
[ 17.471852][ T231] ? sched_ttwu_pending+0x530/0x530
[ 17.471856][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 17.471859][ T231] ? find_held_lock+0x2b/0x80
[ 17.471863][ T231] ? __queue_work+0x322/0xab0
[ 17.471866][ T231] ? __lock_release+0x5d/0x170
[ 17.471870][ T231] ? __queue_work+0x322/0xab0
[ 17.471874][ T231] unregister_netdevice_queue+0x29e/0x410
[ 17.471878][ T231] ? unregister_netdevice_many+0x20/0x20
[ 17.471882][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 17.471885][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.471891][ T231] __tun_detach+0xd4a/0x10d0
[ 17.471898][ T231] tun_chr_close+0xae/0x1c0
[ 17.471902][ T231] __fput+0x35c/0xa70
[ 17.471909][ T231] fput_close_sync+0xdd/0x1b0
[ 17.471912][ T231] ? alloc_file_clone+0xf0/0xf0
[ 17.471917][ T231] __x64_sys_close+0x7d/0xd0
[ 17.471921][ T231] do_syscall_64+0xc1/0xfd0
[ 17.471926][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.471929][ T231] RIP: 0033:0x4901eb
[ 17.471933][ 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
[ 17.471936][ T231] RSP: 002b:00007ffd68e28bc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.471940][ T231] RAX: ffffffffffffffda RBX: 00007ffd68e29120 RCX: 00000000004901eb
[ 17.471942][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.471944][ T231] RBP: 00007ffd68e28c00 R08: 0000000000000000 R09: 0000000000000000
[ 17.471945][ T231] R10: 000000003bd90dd0 R11: 0000000000000293 R12: 00007ffd68e29098
[ 17.471947][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.471953][ T231]
[ 17.471955][ T231] ==================================================================
[ 17.482194][ T231] Disabling lock debugging due to kernel taint
[ 17.482512][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 17.482762][ T231] #PF: supervisor write access in kernel mode
[ 17.482964][ T231] #PF: error_code(0x0002) - not-present page
[ 17.483167][ T231] PGD 9f78067 P4D 9f78067 PUD 8927067 PMD 0
[ 17.483384][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 17.483562][ T231] CPU: 0 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.484046][ T231] Tainted: [B]=BAD_PAGE
[ 17.484183][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.484395][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.484711][ 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
[ 17.485415][ T231] RSP: 0018:ffffc90000b67900 EFLAGS: 00010046
[ 17.485627][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffacc3e90a
[ 17.485880][ T231] RDX: fffffbfff61ca0cd RSI: 0000000000000008 RDI: ffffffffb0e50660
[ 17.486233][ T231] RBP: ffffc90000b67968 R08: 0000000000000001 R09: fffffbfff61ca0cc
[ 17.486487][ T231] R10: ffffffffb0e50667 R11: ffffc90000b673c0 R12: 0000000000000000
[ 17.486731][ T231] R13: 0000000000000286 R14: ffff888009d18000 R15: dffffc0000000000
[ 17.487083][ T231] FS: 000000003bd8a3c0(0000) GS:ffff88808541b000(0000) knlGS:0000000000000000
[ 17.487391][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.487699][ T231] CR2: 0000000000000000 CR3: 0000000001e8c006 CR4: 0000000000772ef0
[ 17.487959][ T231] PKRU: 55555554
[ 17.488082][ T231] Call Trace:
[ 17.488215][ T231]
[ 17.488301][ T231] __cancel_work+0x7c/0x260
[ 17.488566][ T231] ? enable_delayed_work+0x10/0x10
[ 17.488730][ T231] ? qdisc_destroy+0x50/0x50
[ 17.488905][ T231] __cancel_work_sync+0x18/0xc0
[ 17.489067][ T231] __dev_close_many+0x1ce/0x810
[ 17.489344][ T231] ? netdev_notify_peers+0x20/0x20
[ 17.489506][ T231] ? netif_close_many+0x201/0x650
[ 17.489668][ T231] netif_close_many+0x201/0x650
[ 17.489839][ T231] ? __dev_close_many+0x810/0x810
[ 17.490099][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.490339][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.490556][ T231] ? try_to_wake_up+0x16e/0xd80
[ 17.490828][ T231] ? sched_ttwu_pending+0x530/0x530
[ 17.490992][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 17.491162][ T231] ? find_held_lock+0x2b/0x80
[ 17.491325][ T231] ? __queue_work+0x322/0xab0
[ 17.491583][ T231] ? __lock_release+0x5d/0x170
[ 17.491753][ T231] ? __queue_work+0x322/0xab0
[ 17.491918][ T231] unregister_netdevice_queue+0x29e/0x410
[ 17.492082][ T231] ? unregister_netdevice_many+0x20/0x20
[ 17.492352][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 17.492516][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.492679][ T231] __tun_detach+0xd4a/0x10d0
[ 17.492851][ T231] tun_chr_close+0xae/0x1c0
[ 17.493013][ T231] __fput+0x35c/0xa70
[ 17.493152][ T231] fput_close_sync+0xdd/0x1b0
[ 17.493315][ T231] ? alloc_file_clone+0xf0/0xf0
[ 17.493484][ T231] __x64_sys_close+0x7d/0xd0
[ 17.493660][ T231] do_syscall_64+0xc1/0xfd0
[ 17.493932][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.494140][ T231] RIP: 0033:0x4901eb
[ 17.494271][ 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
[ 17.494964][ T231] RSP: 002b:00007ffd68e28bc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.495224][ T231] RAX: ffffffffffffffda RBX: 00007ffd68e29120 RCX: 00000000004901eb
[ 17.495569][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.495823][ T231] RBP: 00007ffd68e28c00 R08: 0000000000000000 R09: 0000000000000000
[ 17.496073][ T231] R10: 000000003bd90dd0 R11: 0000000000000293 R12: 00007ffd68e29098
[ 17.496326][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.496572][ T231]
[ 17.496803][ T231] Modules linked in:
[ 17.496934][ T231] CR2: 0000000000000000
[ 17.497056][ T231] ---[ end trace 0000000000000000 ]---
[ 17.497235][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.497446][ 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
[ 17.498158][ T231] RSP: 0018:ffffc90000b67900 EFLAGS: 00010046
[ 17.498484][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffacc3e90a
[ 17.498729][ T231] RDX: fffffbfff61ca0cd RSI: 0000000000000008 RDI: ffffffffb0e50660
[ 17.498987][ T231] RBP: ffffc90000b67968 R08: 0000000000000001 R09: fffffbfff61ca0cc
[ 17.499334][ T231] R10: ffffffffb0e50667 R11: ffffc90000b673c0 R12: 0000000000000000
[ 17.499575][ T231] R13: 0000000000000286 R14: ffff888009d18000 R15: dffffc0000000000
[ 17.499927][ T231] FS: 000000003bd8a3c0(0000) GS:ffff88808541b000(0000) knlGS:0000000000000000
[ 17.500221][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.500423][ T231] CR2: 0000000000000000 CR3: 0000000001e8c006 CR4: 0000000000772ef0
[ 17.500773][ T231] PKRU: 55555554
[ 17.500897][ T231] Kernel panic - not syncing: Fatal exception
[ 17.501194][ T231] Kernel Offset: 0x2b600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 17.501687][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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