[ 17.564226][ T231] ==================================================================
[ 17.564569][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 17.564841][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 17.565108][ T231]
[ 17.565214][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.565220][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.565223][ T231] Call Trace:
[ 17.565225][ T231]
[ 17.565227][ T231] dump_stack_lvl+0x82/0xc0
[ 17.565236][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 17.565240][ T231] kasan_report+0xca/0x100
[ 17.565247][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 17.565253][ T231] kasan_check_range+0x39/0x1b0
[ 17.565257][ T231] try_to_grab_pending+0x81/0x6c0
[ 17.565262][ T231] __cancel_work+0x7c/0x260
[ 17.565266][ T231] ? enable_delayed_work+0x10/0x10
[ 17.565271][ T231] ? qdisc_destroy+0x50/0x50
[ 17.565278][ T231] __cancel_work_sync+0x18/0xc0
[ 17.565282][ T231] __dev_close_many+0x1ce/0x810
[ 17.565288][ T231] ? netdev_notify_peers+0x20/0x20
[ 17.565291][ T231] ? netif_close_many+0x201/0x650
[ 17.565295][ T231] netif_close_many+0x201/0x650
[ 17.565299][ T231] ? __dev_close_many+0x810/0x810
[ 17.565303][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.565307][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.565312][ T231] ? try_to_wake_up+0x16e/0xd80
[ 17.565319][ T231] ? sched_ttwu_pending+0x530/0x530
[ 17.565322][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 17.565326][ T231] ? find_held_lock+0x2b/0x80
[ 17.565330][ T231] ? __queue_work+0x322/0xab0
[ 17.565333][ T231] ? __lock_release+0x5d/0x170
[ 17.565338][ T231] ? __queue_work+0x322/0xab0
[ 17.565342][ T231] unregister_netdevice_queue+0x29e/0x410
[ 17.565346][ T231] ? unregister_netdevice_many+0x20/0x20
[ 17.565349][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 17.565353][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.565359][ T231] __tun_detach+0xd4a/0x10d0
[ 17.565367][ T231] tun_chr_close+0xae/0x1c0
[ 17.565371][ T231] __fput+0x35c/0xa70
[ 17.565380][ T231] fput_close_sync+0xdd/0x1b0
[ 17.565383][ T231] ? alloc_file_clone+0xf0/0xf0
[ 17.565388][ T231] __x64_sys_close+0x7d/0xd0
[ 17.565392][ T231] do_syscall_64+0xc1/0xfd0
[ 17.565397][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.565402][ T231] RIP: 0033:0x4901eb
[ 17.565406][ 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
[ 17.565409][ T231] RSP: 002b:00007fff2472a300 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.565413][ T231] RAX: ffffffffffffffda RBX: 00007fff2472a860 RCX: 00000000004901eb
[ 17.565415][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.565417][ T231] RBP: 00007fff2472a340 R08: 0000000000000000 R09: 0000000000000000
[ 17.565419][ T231] R10: 000000001002fee0 R11: 0000000000000293 R12: 00007fff2472a7d8
[ 17.565420][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.565427][ T231]
[ 17.565428][ T231] ==================================================================
[ 17.574923][ T231] Disabling lock debugging due to kernel taint
[ 17.575153][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 17.575404][ T231] #PF: supervisor write access in kernel mode
[ 17.575613][ T231] #PF: error_code(0x0002) - not-present page
[ 17.575819][ T231] PGD 8c9a067 P4D 8c9a067 PUD 9d07067 PMD 0
[ 17.576035][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 17.576228][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.576619][ T231] Tainted: [B]=BAD_PAGE
[ 17.576749][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.576964][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.577209][ 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
[ 17.577818][ T231] RSP: 0018:ffffc90000b37900 EFLAGS: 00010046
[ 17.578030][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb903e90a
[ 17.578301][ T231] RDX: fffffbfff7a4a0cd RSI: 0000000000000008 RDI: ffffffffbd250660
[ 17.578558][ T231] RBP: ffffc90000b37968 R08: 0000000000000001 R09: fffffbfff7a4a0cc
[ 17.578819][ T231] R10: ffffffffbd250667 R11: ffffc90000b373c0 R12: 0000000000000000
[ 17.579110][ T231] R13: 0000000000000286 R14: ffff88800ba90000 R15: dffffc0000000000
[ 17.579394][ T231] FS: 00000000100283c0(0000) GS:ffff88807911b000(0000) knlGS:0000000000000000
[ 17.579714][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.579952][ T231] CR2: 0000000000000000 CR3: 000000000ac2c001 CR4: 0000000000772ef0
[ 17.580258][ T231] PKRU: 55555554
[ 17.580401][ T231] Call Trace:
[ 17.580542][ T231]
[ 17.580644][ T231] __cancel_work+0x7c/0x260
[ 17.580845][ T231] ? enable_delayed_work+0x10/0x10
[ 17.581035][ T231] ? qdisc_destroy+0x50/0x50
[ 17.581246][ T231] __cancel_work_sync+0x18/0xc0
[ 17.581433][ T231] __dev_close_many+0x1ce/0x810
[ 17.581622][ T231] ? netdev_notify_peers+0x20/0x20
[ 17.581810][ T231] ? netif_close_many+0x201/0x650
[ 17.581991][ T231] netif_close_many+0x201/0x650
[ 17.582186][ T231] ? __dev_close_many+0x810/0x810
[ 17.582385][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.582630][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.582867][ T231] ? try_to_wake_up+0x16e/0xd80
[ 17.583061][ T231] ? sched_ttwu_pending+0x530/0x530
[ 17.583260][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 17.583449][ T231] ? find_held_lock+0x2b/0x80
[ 17.583639][ T231] ? __queue_work+0x322/0xab0
[ 17.583828][ T231] ? __lock_release+0x5d/0x170
[ 17.584020][ T231] ? __queue_work+0x322/0xab0
[ 17.584229][ T231] unregister_netdevice_queue+0x29e/0x410
[ 17.584419][ T231] ? unregister_netdevice_many+0x20/0x20
[ 17.584735][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 17.584903][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.585111][ T231] __tun_detach+0xd4a/0x10d0
[ 17.585317][ T231] tun_chr_close+0xae/0x1c0
[ 17.585600][ T231] __fput+0x35c/0xa70
[ 17.585741][ T231] fput_close_sync+0xdd/0x1b0
[ 17.585926][ T231] ? alloc_file_clone+0xf0/0xf0
[ 17.586174][ T231] __x64_sys_close+0x7d/0xd0
[ 17.586373][ T231] do_syscall_64+0xc1/0xfd0
[ 17.586560][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.586789][ T231] RIP: 0033:0x4901eb
[ 17.586939][ 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
[ 17.587722][ T231] RSP: 002b:00007fff2472a300 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.588114][ T231] RAX: ffffffffffffffda RBX: 00007fff2472a860 RCX: 00000000004901eb
[ 17.588412][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.588693][ T231] RBP: 00007fff2472a340 R08: 0000000000000000 R09: 0000000000000000
[ 17.589092][ T231] R10: 000000001002fee0 R11: 0000000000000293 R12: 00007fff2472a7d8
[ 17.589399][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.589796][ T231]
[ 17.589940][ T231] Modules linked in:
[ 17.590104][ T231] CR2: 0000000000000000
[ 17.590254][ T231] ---[ end trace 0000000000000000 ]---
[ 17.590443][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.590784][ 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
[ 17.591567][ T231] RSP: 0018:ffffc90000b37900 EFLAGS: 00010046
[ 17.591799][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb903e90a
[ 17.592083][ T231] RDX: fffffbfff7a4a0cd RSI: 0000000000000008 RDI: ffffffffbd250660
[ 17.592470][ T231] RBP: ffffc90000b37968 R08: 0000000000000001 R09: fffffbfff7a4a0cc
[ 17.592762][ T231] R10: ffffffffbd250667 R11: ffffc90000b373c0 R12: 0000000000000000
[ 17.593046][ T231] R13: 0000000000000286 R14: ffff88800ba90000 R15: dffffc0000000000
[ 17.593438][ T231] FS: 00000000100283c0(0000) GS:ffff88807911b000(0000) knlGS:0000000000000000
[ 17.593755][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.593983][ T231] CR2: 0000000000000000 CR3: 000000000ac2c001 CR4: 0000000000772ef0
[ 17.594364][ T231] PKRU: 55555554
[ 17.594501][ T231] Kernel panic - not syncing: Fatal exception
[ 17.594819][ T231] Kernel Offset: 0x37a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 17.595394][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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