[ 22.773315][ T230] ==================================================================
[ 22.773725][ T230] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 22.774012][ T230] Write of size 8 at addr 0000000000000000 by task packetdrill/230
[ 22.774279][ T230]
[ 22.774375][ T230] CPU: 2 UID: 0 PID: 230 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 22.774384][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.774390][ T230] Call Trace:
[ 22.774395][ T230]
[ 22.774398][ T230] dump_stack_lvl+0x82/0xc0
[ 22.774414][ T230] ? try_to_grab_pending+0x81/0x6c0
[ 22.774418][ T230] kasan_report+0xca/0x100
[ 22.774432][ T230] ? try_to_grab_pending+0x81/0x6c0
[ 22.774438][ T230] kasan_check_range+0x39/0x1b0
[ 22.774442][ T230] try_to_grab_pending+0x81/0x6c0
[ 22.774447][ T230] __cancel_work+0x7c/0x260
[ 22.774452][ T230] ? enable_delayed_work+0x10/0x10
[ 22.774457][ T230] ? qdisc_destroy+0x50/0x50
[ 22.774467][ T230] __cancel_work_sync+0x18/0xc0
[ 22.774472][ T230] __dev_close_many+0x1ce/0x810
[ 22.774481][ T230] ? netdev_notify_peers+0x20/0x20
[ 22.774487][ T230] ? netif_close_many+0x201/0x650
[ 22.774494][ T230] netif_close_many+0x201/0x650
[ 22.774499][ T230] ? __dev_close_many+0x810/0x810
[ 22.774502][ T230] ? netif_close_many_and_unlock+0x21/0x2a0
[ 22.774507][ T230] unregister_netdevice_many_notify+0x305/0x1b30
[ 22.774512][ T230] ? try_to_wake_up+0x16e/0xd80
[ 22.774519][ T230] ? sched_ttwu_pending+0x530/0x530
[ 22.774525][ T230] ? dev_ingress_queue_create+0x190/0x190
[ 22.774529][ T230] ? find_held_lock+0x2b/0x80
[ 22.774534][ T230] ? __queue_work+0x322/0xab0
[ 22.774537][ T230] ? __lock_release+0x5d/0x170
[ 22.774542][ T230] ? __queue_work+0x322/0xab0
[ 22.774546][ T230] unregister_netdevice_queue+0x29e/0x410
[ 22.774550][ T230] ? unregister_netdevice_many+0x20/0x20
[ 22.774554][ T230] ? queue_delayed_work_on+0x6a/0xa0
[ 22.774557][ T230] ? lockdep_hardirqs_on+0x7c/0x110
[ 22.774567][ T230] __tun_detach+0xd4a/0x10d0
[ 22.774578][ T230] tun_chr_close+0xae/0x1c0
[ 22.774582][ T230] __fput+0x35c/0xa70
[ 22.774593][ T230] fput_close_sync+0xdd/0x1b0
[ 22.774596][ T230] ? alloc_file_clone+0xf0/0xf0
[ 22.774601][ T230] __x64_sys_close+0x7d/0xd0
[ 22.774605][ T230] do_syscall_64+0xc1/0xfd0
[ 22.774612][ T230] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.774619][ T230] RIP: 0033:0x4901eb
[ 22.774624][ T230] 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
[ 22.774629][ T230] RSP: 002b:00007ffc83181380 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 22.774636][ T230] RAX: ffffffffffffffda RBX: 00007ffc831818e0 RCX: 00000000004901eb
[ 22.774639][ T230] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 22.774641][ T230] RBP: 00007ffc831813c0 R08: 0000000000000000 R09: 0000000000000000
[ 22.774643][ T230] R10: 0000000000000010 R11: 0000000000000293 R12: 00007ffc83181858
[ 22.774644][ T230] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 22.774651][ T230]
[ 22.774653][ T230] ==================================================================
[ 22.784503][ T230] Disabling lock debugging due to kernel taint
[ 22.784736][ T230] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 22.785012][ T230] #PF: supervisor write access in kernel mode
[ 22.785232][ T230] #PF: error_code(0x0002) - not-present page
[ 22.785453][ T230] PGD bf83067 P4D bf83067 PUD 878b067 PMD 0
[ 22.785673][ T230] Oops: Oops: 0002 [#1] SMP KASAN
[ 22.785844][ T230] CPU: 2 UID: 0 PID: 230 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 22.786238][ T230] Tainted: [B]=BAD_PAGE
[ 22.786371][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.786603][ T230] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 22.786823][ T230] 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
[ 22.787442][ T230] RSP: 0018:ffffc90000b67900 EFLAGS: 00010046
[ 22.787661][ T230] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa163e90a
[ 22.787915][ T230] RDX: fffffbfff4b0a0cd RSI: 0000000000000008 RDI: ffffffffa5850660
[ 22.788169][ T230] RBP: ffffc90000b67968 R08: 0000000000000001 R09: fffffbfff4b0a0cc
[ 22.788462][ T230] R10: ffffffffa5850667 R11: ffffc90000b673c0 R12: 0000000000000000
[ 22.788729][ T230] R13: 0000000000000286 R14: ffff88800becc000 R15: dffffc0000000000
[ 22.789014][ T230] FS: 000000002819a3c0(0000) GS:ffff888090b1b000(0000) knlGS:0000000000000000
[ 22.789320][ T230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.789564][ T230] CR2: 0000000000000000 CR3: 00000000022e6001 CR4: 0000000000772ef0
[ 22.789812][ T230] PKRU: 55555554
[ 22.789949][ T230] Call Trace:
[ 22.790086][ T230]
[ 22.790181][ T230] __cancel_work+0x7c/0x260
[ 22.790368][ T230] ? enable_delayed_work+0x10/0x10
[ 22.790555][ T230] ? qdisc_destroy+0x50/0x50
[ 22.790724][ T230] __cancel_work_sync+0x18/0xc0
[ 22.790902][ T230] __dev_close_many+0x1ce/0x810
[ 22.791071][ T230] ? netdev_notify_peers+0x20/0x20
[ 22.791259][ T230] ? netif_close_many+0x201/0x650
[ 22.791445][ T230] netif_close_many+0x201/0x650
[ 22.791619][ T230] ? __dev_close_many+0x810/0x810
[ 22.791783][ T230] ? netif_close_many_and_unlock+0x21/0x2a0
[ 22.791991][ T230] unregister_netdevice_many_notify+0x305/0x1b30
[ 22.792210][ T230] ? try_to_wake_up+0x16e/0xd80
[ 22.792378][ T230] ? sched_ttwu_pending+0x530/0x530
[ 22.792565][ T230] ? dev_ingress_queue_create+0x190/0x190
[ 22.792730][ T230] ? find_held_lock+0x2b/0x80
[ 22.792904][ T230] ? __queue_work+0x322/0xab0
[ 22.793069][ T230] ? __lock_release+0x5d/0x170
[ 22.793240][ T230] ? __queue_work+0x322/0xab0
[ 22.793415][ T230] unregister_netdevice_queue+0x29e/0x410
[ 22.793598][ T230] ? unregister_netdevice_many+0x20/0x20
[ 22.793765][ T230] ? queue_delayed_work_on+0x6a/0xa0
[ 22.793937][ T230] ? lockdep_hardirqs_on+0x7c/0x110
[ 22.794102][ T230] __tun_detach+0xd4a/0x10d0
[ 22.794282][ T230] tun_chr_close+0xae/0x1c0
[ 22.794461][ T230] __fput+0x35c/0xa70
[ 22.794599][ T230] fput_close_sync+0xdd/0x1b0
[ 22.794771][ T230] ? alloc_file_clone+0xf0/0xf0
[ 22.794942][ T230] __x64_sys_close+0x7d/0xd0
[ 22.795106][ T230] do_syscall_64+0xc1/0xfd0
[ 22.795288][ T230] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.795511][ T230] RIP: 0033:0x4901eb
[ 22.795647][ T230] 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
[ 22.796266][ T230] RSP: 002b:00007ffc83181380 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 22.796543][ T230] RAX: ffffffffffffffda RBX: 00007ffc831818e0 RCX: 00000000004901eb
[ 22.796790][ T230] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 22.797050][ T230] RBP: 00007ffc831813c0 R08: 0000000000000000 R09: 0000000000000000
[ 22.797322][ T230] R10: 0000000000000010 R11: 0000000000000293 R12: 00007ffc83181858
[ 22.797587][ T230] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 22.797835][ T230]
[ 22.797967][ T230] Modules linked in:
[ 22.798117][ T230] CR2: 0000000000000000
[ 22.798258][ T230] ---[ end trace 0000000000000000 ]---
[ 22.798444][ T230] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 22.798668][ T230] 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
[ 22.799269][ T230] RSP: 0018:ffffc90000b67900 EFLAGS: 00010046
[ 22.799500][ T230] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa163e90a
[ 22.799747][ T230] RDX: fffffbfff4b0a0cd RSI: 0000000000000008 RDI: ffffffffa5850660
[ 22.799999][ T230] RBP: ffffc90000b67968 R08: 0000000000000001 R09: fffffbfff4b0a0cc
[ 22.800259][ T230] R10: ffffffffa5850667 R11: ffffc90000b673c0 R12: 0000000000000000
[ 22.800529][ T230] R13: 0000000000000286 R14: ffff88800becc000 R15: dffffc0000000000
[ 22.800772][ T230] FS: 000000002819a3c0(0000) GS:ffff888090b1b000(0000) knlGS:0000000000000000
[ 22.801063][ T230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.801275][ T230] CR2: 0000000000000000 CR3: 00000000022e6001 CR4: 0000000000772ef0
[ 22.801537][ T230] PKRU: 55555554
[ 22.801672][ T230] Kernel panic - not syncing: Fatal exception
[ 22.801976][ T230] Kernel Offset: 0x20000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 22.802373][ T230] ---[ end Kernel panic - not syncing: Fatal exception ]---
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