[ 17.906482][ T232] ==================================================================
[ 17.906815][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 17.907080][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 17.907344][ T232]
[ 17.907441][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.907446][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.907448][ T232] Call Trace:
[ 17.907450][ T232]
[ 17.907452][ T232] dump_stack_lvl+0x82/0xc0
[ 17.907461][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 17.907464][ T232] kasan_report+0xca/0x100
[ 17.907471][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 17.907476][ T232] kasan_check_range+0x39/0x1b0
[ 17.907480][ T232] try_to_grab_pending+0x81/0x6c0
[ 17.907485][ T232] __cancel_work+0x7c/0x260
[ 17.907489][ T232] ? enable_delayed_work+0x10/0x10
[ 17.907494][ T232] ? qdisc_destroy+0x50/0x50
[ 17.907500][ T232] __cancel_work_sync+0x18/0xc0
[ 17.907505][ T232] __dev_close_many+0x1ce/0x810
[ 17.907510][ T232] ? netdev_notify_peers+0x20/0x20
[ 17.907513][ T232] ? netif_close_many+0x201/0x650
[ 17.907517][ T232] netif_close_many+0x201/0x650
[ 17.907522][ T232] ? __dev_close_many+0x810/0x810
[ 17.907527][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.907534][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.907540][ T232] ? try_to_wake_up+0x16e/0xd80
[ 17.907546][ T232] ? sched_ttwu_pending+0x530/0x530
[ 17.907549][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 17.907552][ T232] ? find_held_lock+0x2b/0x80
[ 17.907556][ T232] ? __queue_work+0x322/0xab0
[ 17.907559][ T232] ? __lock_release+0x5d/0x170
[ 17.907563][ T232] ? __queue_work+0x322/0xab0
[ 17.907568][ T232] unregister_netdevice_queue+0x29e/0x410
[ 17.907572][ T232] ? unregister_netdevice_many+0x20/0x20
[ 17.907575][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 17.907578][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.907586][ T232] __tun_detach+0xd4a/0x10d0
[ 17.907593][ T232] tun_chr_close+0xae/0x1c0
[ 17.907597][ T232] __fput+0x35c/0xa70
[ 17.907605][ T232] fput_close_sync+0xdd/0x1b0
[ 17.907608][ T232] ? alloc_file_clone+0xf0/0xf0
[ 17.907612][ T232] __x64_sys_close+0x7d/0xd0
[ 17.907616][ T232] do_syscall_64+0xc1/0xfd0
[ 17.907621][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.907625][ T232] RIP: 0033:0x4901eb
[ 17.907629][ T232] 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
[ 17.907632][ T232] RSP: 002b:00007ffea3e04d80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.907636][ T232] RAX: ffffffffffffffda RBX: 00007ffea3e052e0 RCX: 00000000004901eb
[ 17.907638][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.907640][ T232] RBP: 00007ffea3e04dc0 R08: 0000000000000000 R09: 0000000000000000
[ 17.907642][ T232] R10: 000000000f1232e0 R11: 0000000000000293 R12: 00007ffea3e05258
[ 17.907643][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.907650][ T232]
[ 17.907651][ T232] ==================================================================
[ 17.917328][ T232] Disabling lock debugging due to kernel taint
[ 17.917548][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 17.917790][ T232] #PF: supervisor write access in kernel mode
[ 17.917991][ T232] #PF: error_code(0x0002) - not-present page
[ 17.918194][ T232] PGD a4ef067 P4D a4ef067 PUD 927e067 PMD 0
[ 17.918422][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 17.918593][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.918969][ T232] Tainted: [B]=BAD_PAGE
[ 17.919095][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.919311][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.919567][ T232] 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
[ 17.920168][ T232] RSP: 0018:ffffc90000b07900 EFLAGS: 00010046
[ 17.920389][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff90c3e90a
[ 17.920647][ T232] RDX: fffffbfff29ca0cd RSI: 0000000000000008 RDI: ffffffff94e50660
[ 17.920912][ T232] RBP: ffffc90000b07968 R08: 0000000000000001 R09: fffffbfff29ca0cc
[ 17.921160][ T232] R10: ffffffff94e50667 R11: ffffc90000b073c0 R12: 0000000000000000
[ 17.921417][ T232] R13: 0000000000000286 R14: ffff888009aa8000 R15: dffffc0000000000
[ 17.921680][ T232] FS: 000000000f11c3c0(0000) GS:ffff88809b81b000(0000) knlGS:0000000000000000
[ 17.921973][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.922179][ T232] CR2: 0000000000000000 CR3: 00000000054f5002 CR4: 0000000000772ef0
[ 17.922436][ T232] PKRU: 55555554
[ 17.922576][ T232] Call Trace:
[ 17.922702][ T232]
[ 17.922789][ T232] __cancel_work+0x7c/0x260
[ 17.922961][ T232] ? enable_delayed_work+0x10/0x10
[ 17.923136][ T232] ? qdisc_destroy+0x50/0x50
[ 17.923306][ T232] __cancel_work_sync+0x18/0xc0
[ 17.923475][ T232] __dev_close_many+0x1ce/0x810
[ 17.923649][ T232] ? netdev_notify_peers+0x20/0x20
[ 17.923813][ T232] ? netif_close_many+0x201/0x650
[ 17.923985][ T232] netif_close_many+0x201/0x650
[ 17.924149][ T232] ? __dev_close_many+0x810/0x810
[ 17.924315][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.924539][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.924747][ T232] ? try_to_wake_up+0x16e/0xd80
[ 17.924919][ T232] ? sched_ttwu_pending+0x530/0x530
[ 17.925084][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 17.925261][ T232] ? find_held_lock+0x2b/0x80
[ 17.925434][ T232] ? __queue_work+0x322/0xab0
[ 17.925607][ T232] ? __lock_release+0x5d/0x170
[ 17.925777][ T232] ? __queue_work+0x322/0xab0
[ 17.925952][ T232] unregister_netdevice_queue+0x29e/0x410
[ 17.926117][ T232] ? unregister_netdevice_many+0x20/0x20
[ 17.926282][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 17.926454][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.926629][ T232] __tun_detach+0xd4a/0x10d0
[ 17.926801][ T232] tun_chr_close+0xae/0x1c0
[ 17.926973][ T232] __fput+0x35c/0xa70
[ 17.927102][ T232] fput_close_sync+0xdd/0x1b0
[ 17.927294][ T232] ? alloc_file_clone+0xf0/0xf0
[ 17.927459][ T232] __x64_sys_close+0x7d/0xd0
[ 17.927624][ T232] do_syscall_64+0xc1/0xfd0
[ 17.927791][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.927995][ T232] RIP: 0033:0x4901eb
[ 17.928125][ T232] 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
[ 17.928731][ T232] RSP: 002b:00007ffea3e04d80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.928985][ T232] RAX: ffffffffffffffda RBX: 00007ffea3e052e0 RCX: 00000000004901eb
[ 17.929239][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.929500][ T232] RBP: 00007ffea3e04dc0 R08: 0000000000000000 R09: 0000000000000000
[ 17.929748][ T232] R10: 000000000f1232e0 R11: 0000000000000293 R12: 00007ffea3e05258
[ 17.929999][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.930251][ T232]
[ 17.930384][ T232] Modules linked in:
[ 17.930511][ T232] CR2: 0000000000000000
[ 17.930640][ T232] ---[ end trace 0000000000000000 ]---
[ 17.930804][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.931016][ T232] 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
[ 17.931610][ T232] RSP: 0018:ffffc90000b07900 EFLAGS: 00010046
[ 17.931815][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff90c3e90a
[ 17.932061][ T232] RDX: fffffbfff29ca0cd RSI: 0000000000000008 RDI: ffffffff94e50660
[ 17.932310][ T232] RBP: ffffc90000b07968 R08: 0000000000000001 R09: fffffbfff29ca0cc
[ 17.932562][ T232] R10: ffffffff94e50667 R11: ffffc90000b073c0 R12: 0000000000000000
[ 17.932805][ T232] R13: 0000000000000286 R14: ffff888009aa8000 R15: dffffc0000000000
[ 17.933072][ T232] FS: 000000000f11c3c0(0000) GS:ffff88809b81b000(0000) knlGS:0000000000000000
[ 17.933363][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.933579][ T232] CR2: 0000000000000000 CR3: 00000000054f5002 CR4: 0000000000772ef0
[ 17.933833][ T232] PKRU: 55555554
[ 17.933962][ T232] Kernel panic - not syncing: Fatal exception
[ 17.934246][ T232] Kernel Offset: 0xf600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 17.934648][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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