[ 18.485804][ T232] ==================================================================
[ 18.486229][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.486564][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 18.486861][ T232]
[ 18.486985][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.486990][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.486993][ T232] Call Trace:
[ 18.486995][ T232]
[ 18.486998][ T232] dump_stack_lvl+0x82/0xc0
[ 18.487007][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.487011][ T232] kasan_report+0xca/0x100
[ 18.487018][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.487024][ T232] kasan_check_range+0x39/0x1b0
[ 18.487028][ T232] try_to_grab_pending+0x81/0x6c0
[ 18.487034][ T232] __cancel_work+0x7c/0x260
[ 18.487037][ T232] ? enable_delayed_work+0x10/0x10
[ 18.487042][ T232] ? qdisc_destroy+0x50/0x50
[ 18.487049][ T232] __cancel_work_sync+0x18/0xc0
[ 18.487054][ T232] __dev_close_many+0x1ce/0x810
[ 18.487059][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.487063][ T232] ? netif_close_many+0x201/0x650
[ 18.487067][ T232] netif_close_many+0x201/0x650
[ 18.487070][ T232] ? rcu_is_watching+0x12/0xb0
[ 18.487078][ T232] ? __dev_close_many+0x810/0x810
[ 18.487081][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.487087][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.487097][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.487104][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.487110][ T232] ? irqentry_exit+0x3b/0x80
[ 18.487115][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.487120][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.487123][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.487128][ T232] ? queue_delayed_work_on+0x53/0xa0
[ 18.487133][ T232] __tun_detach+0xd4a/0x10d0
[ 18.487142][ T232] tun_chr_close+0xae/0x1c0
[ 18.487146][ T232] __fput+0x35c/0xa70
[ 18.487154][ T232] fput_close_sync+0xdd/0x1b0
[ 18.487157][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.487162][ T232] __x64_sys_close+0x7d/0xd0
[ 18.487166][ T232] do_syscall_64+0xc1/0xfd0
[ 18.487172][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.487176][ T232] RIP: 0033:0x4901eb
[ 18.487180][ 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
[ 18.487183][ T232] RSP: 002b:00007fff4f496030 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.487187][ T232] RAX: ffffffffffffffda RBX: 00007fff4f496590 RCX: 00000000004901eb
[ 18.487190][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.487192][ T232] RBP: 00007fff4f496070 R08: 0000000000000000 R09: 0000000000000000
[ 18.487194][ T232] R10: 0000000000000010 R11: 0000000000000293 R12: 00007fff4f496508
[ 18.487196][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.487202][ T232]
[ 18.487204][ T232] ==================================================================
[ 18.498089][ T232] Disabling lock debugging due to kernel taint
[ 18.498368][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.498662][ T232] #PF: supervisor write access in kernel mode
[ 18.498918][ T232] #PF: error_code(0x0002) - not-present page
[ 18.499174][ T232] PGD 4b99067 P4D 4b99067 PUD a6aa067 PMD 0
[ 18.499436][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.499643][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.500148][ T232] Tainted: [B]=BAD_PAGE
[ 18.500300][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.500555][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.500827][ 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
[ 18.501573][ T232] RSP: 0018:ffffc90000ae7900 EFLAGS: 00010046
[ 18.501828][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9883e90a
[ 18.502146][ T232] RDX: fffffbfff394a0cd RSI: 0000000000000008 RDI: ffffffff9ca50660
[ 18.502449][ T232] RBP: ffffc90000ae7968 R08: 0000000000000001 R09: fffffbfff394a0cc
[ 18.502748][ T232] R10: ffffffff9ca50667 R11: ffffc90000ae73c0 R12: 0000000000000000
[ 18.503060][ T232] R13: 0000000000000286 R14: ffff88800bf6c000 R15: dffffc0000000000
[ 18.503377][ T232] FS: 00000000176633c0(0000) GS:ffff88809999b000(0000) knlGS:0000000000000000
[ 18.503733][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.503999][ T232] CR2: 0000000000000000 CR3: 0000000004a4d005 CR4: 0000000000772ef0
[ 18.504305][ T232] PKRU: 55555554
[ 18.504467][ T232] Call Trace:
[ 18.504624][ T232]
[ 18.504730][ T232] __cancel_work+0x7c/0x260
[ 18.504946][ T232] ? enable_delayed_work+0x10/0x10
[ 18.505156][ T232] ? qdisc_destroy+0x50/0x50
[ 18.505374][ T232] __cancel_work_sync+0x18/0xc0
[ 18.505572][ T232] __dev_close_many+0x1ce/0x810
[ 18.505774][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.505987][ T232] ? netif_close_many+0x201/0x650
[ 18.506193][ T232] netif_close_many+0x201/0x650
[ 18.506388][ T232] ? rcu_is_watching+0x12/0xb0
[ 18.506592][ T232] ? __dev_close_many+0x810/0x810
[ 18.506788][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.507039][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.507301][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.507513][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.507710][ T232] ? irqentry_exit+0x3b/0x80
[ 18.507918][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.508135][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.508336][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.508533][ T232] ? queue_delayed_work_on+0x53/0xa0
[ 18.508731][ T232] __tun_detach+0xd4a/0x10d0
[ 18.508944][ T232] tun_chr_close+0xae/0x1c0
[ 18.509149][ T232] __fput+0x35c/0xa70
[ 18.509314][ T232] fput_close_sync+0xdd/0x1b0
[ 18.509520][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.509719][ T232] __x64_sys_close+0x7d/0xd0
[ 18.509933][ T232] do_syscall_64+0xc1/0xfd0
[ 18.510144][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.510402][ T232] RIP: 0033:0x4901eb
[ 18.510569][ 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
[ 18.511297][ T232] RSP: 002b:00007fff4f496030 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.511602][ T232] RAX: ffffffffffffffda RBX: 00007fff4f496590 RCX: 00000000004901eb
[ 18.511914][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.512219][ T232] RBP: 00007fff4f496070 R08: 0000000000000000 R09: 0000000000000000
[ 18.512522][ T232] R10: 0000000000000010 R11: 0000000000000293 R12: 00007fff4f496508
[ 18.512818][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.513146][ T232]
[ 18.513296][ T232] Modules linked in:
[ 18.513461][ T232] CR2: 0000000000000000
[ 18.513607][ T232] ---[ end trace 0000000000000000 ]---
[ 18.513803][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.514067][ 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
[ 18.514768][ T232] RSP: 0018:ffffc90000ae7900 EFLAGS: 00010046
[ 18.515032][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9883e90a
[ 18.515332][ T232] RDX: fffffbfff394a0cd RSI: 0000000000000008 RDI: ffffffff9ca50660
[ 18.515625][ T232] RBP: ffffc90000ae7968 R08: 0000000000000001 R09: fffffbfff394a0cc
[ 18.515930][ T232] R10: ffffffff9ca50667 R11: ffffc90000ae73c0 R12: 0000000000000000
[ 18.516231][ T232] R13: 0000000000000286 R14: ffff88800bf6c000 R15: dffffc0000000000
[ 18.516530][ T232] FS: 00000000176633c0(0000) GS:ffff88809999b000(0000) knlGS:0000000000000000
[ 18.516869][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.517142][ T232] CR2: 0000000000000000 CR3: 0000000004a4d005 CR4: 0000000000772ef0
[ 18.517437][ T232] PKRU: 55555554
[ 18.517585][ T232] Kernel panic - not syncing: Fatal exception
[ 18.517931][ T232] Kernel Offset: 0x17200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.518402][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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