[ 16.257370][ T233] ==================================================================
[ 16.257879][ T233] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 16.258338][ T233] Write of size 8 at addr 0000000000000000 by task packetdrill/233
[ 16.258768][ T233]
[ 16.258918][ T233] CPU: 3 UID: 0 PID: 233 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 16.258925][ T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.258928][ T233] Call Trace:
[ 16.258931][ T233]
[ 16.258934][ T233] dump_stack_lvl+0x82/0xc0
[ 16.258945][ T233] ? try_to_grab_pending+0x81/0x6c0
[ 16.258950][ T233] kasan_report+0xca/0x100
[ 16.258959][ T233] ? try_to_grab_pending+0x81/0x6c0
[ 16.258968][ T233] kasan_check_range+0x39/0x1b0
[ 16.258975][ T233] try_to_grab_pending+0x81/0x6c0
[ 16.258983][ T233] __cancel_work+0x7c/0x260
[ 16.258989][ T233] ? enable_delayed_work+0x10/0x10
[ 16.258997][ T233] ? qdisc_destroy+0x50/0x50
[ 16.259008][ T233] __cancel_work_sync+0x18/0xc0
[ 16.259015][ T233] __dev_close_many+0x1ce/0x810
[ 16.259022][ T233] ? netdev_notify_peers+0x20/0x20
[ 16.259028][ T233] ? netif_close_many+0x201/0x650
[ 16.259036][ T233] netif_close_many+0x201/0x650
[ 16.259043][ T233] ? __dev_close_many+0x810/0x810
[ 16.259049][ T233] ? netif_close_many_and_unlock+0x21/0x2a0
[ 16.259057][ T233] unregister_netdevice_many_notify+0x305/0x1b30
[ 16.259065][ T233] ? try_to_wake_up+0x16e/0xd80
[ 16.259074][ T233] ? sched_ttwu_pending+0x530/0x530
[ 16.259080][ T233] ? dev_ingress_queue_create+0x190/0x190
[ 16.259085][ T233] ? find_held_lock+0x2b/0x80
[ 16.259092][ T233] ? __queue_work+0x322/0xab0
[ 16.259097][ T233] ? __lock_release+0x5d/0x170
[ 16.259104][ T233] ? __queue_work+0x322/0xab0
[ 16.259111][ T233] unregister_netdevice_queue+0x29e/0x410
[ 16.259118][ T233] ? unregister_netdevice_many+0x20/0x20
[ 16.259125][ T233] ? queue_delayed_work_on+0x6a/0xa0
[ 16.259130][ T233] ? lockdep_hardirqs_on+0x7c/0x110
[ 16.259140][ T233] __tun_detach+0xd4a/0x10d0
[ 16.259152][ T233] tun_chr_close+0xae/0x1c0
[ 16.259159][ T233] __fput+0x35c/0xa70
[ 16.259171][ T233] fput_close_sync+0xdd/0x1b0
[ 16.259177][ T233] ? alloc_file_clone+0xf0/0xf0
[ 16.259186][ T233] __x64_sys_close+0x7d/0xd0
[ 16.259192][ T233] do_syscall_64+0xc1/0xfd0
[ 16.259201][ T233] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.259208][ T233] RIP: 0033:0x4901eb
[ 16.259214][ T233] 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
[ 16.259219][ T233] RSP: 002b:00007ffeb85df160 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 16.259226][ T233] RAX: ffffffffffffffda RBX: 00007ffeb85df6c0 RCX: 00000000004901eb
[ 16.259229][ T233] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 16.259232][ T233] RBP: 00007ffeb85df1a0 R08: 0000000000000000 R09: 0000000000000000
[ 16.259235][ T233] R10: 0000000002000000 R11: 0000000000000293 R12: 00007ffeb85df638
[ 16.259239][ T233] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 16.259252][ T233]
[ 16.259254][ T233] ==================================================================
[ 16.274397][ T233] Disabling lock debugging due to kernel taint
[ 16.274740][ T233] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 16.275156][ T233] #PF: supervisor write access in kernel mode
[ 16.275493][ T233] #PF: error_code(0x0002) - not-present page
[ 16.275853][ T233] PGD c4e7067 P4D c4e7067 PUD c4e0067 PMD 0
[ 16.276201][ T233] Oops: Oops: 0002 [#1] SMP KASAN
[ 16.276492][ T233] CPU: 3 UID: 0 PID: 233 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 16.277121][ T233] Tainted: [B]=BAD_PAGE
[ 16.277344][ T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.277696][ T233] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 16.278065][ T233] 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
[ 16.279019][ T233] RSP: 0018:ffffc90000b57900 EFLAGS: 00010046
[ 16.279363][ T233] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8f23e90a
[ 16.279759][ T233] RDX: fffffbfff268a0cd RSI: 0000000000000008 RDI: ffffffff93450660
[ 16.280159][ T233] RBP: ffffc90000b57968 R08: 0000000000000001 R09: fffffbfff268a0cc
[ 16.280587][ T233] R10: ffffffff93450667 R11: ffffc90000b573c0 R12: 0000000000000000
[ 16.280974][ T233] R13: 0000000000000286 R14: ffff88800ac4c000 R15: dffffc0000000000
[ 16.281368][ T233] FS: 0000000022beb3c0(0000) GS:ffff88809d39b000(0000) knlGS:0000000000000000
[ 16.281835][ T233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.282170][ T233] CR2: 0000000000000000 CR3: 000000000a3c3001 CR4: 0000000000772ef0
[ 16.282570][ T233] PKRU: 55555554
[ 16.282780][ T233] Call Trace:
[ 16.282994][ T233]
[ 16.283158][ T233] __cancel_work+0x7c/0x260
[ 16.283453][ T233] ? enable_delayed_work+0x10/0x10
[ 16.283745][ T233] ? qdisc_destroy+0x50/0x50
[ 16.284028][ T233] __cancel_work_sync+0x18/0xc0
[ 16.284227][ T233] __dev_close_many+0x1ce/0x810
[ 16.284403][ T233] ? netdev_notify_peers+0x20/0x20
[ 16.284578][ T233] ? netif_close_many+0x201/0x650
[ 16.284753][ T233] netif_close_many+0x201/0x650
[ 16.284931][ T233] ? __dev_close_many+0x810/0x810
[ 16.285134][ T233] ? netif_close_many_and_unlock+0x21/0x2a0
[ 16.285355][ T233] unregister_netdevice_many_notify+0x305/0x1b30
[ 16.285652][ T233] ? try_to_wake_up+0x16e/0xd80
[ 16.285933][ T233] ? sched_ttwu_pending+0x530/0x530
[ 16.286213][ T233] ? dev_ingress_queue_create+0x190/0x190
[ 16.286490][ T233] ? find_held_lock+0x2b/0x80
[ 16.286750][ T233] ? __queue_work+0x322/0xab0
[ 16.287027][ T233] ? __lock_release+0x5d/0x170
[ 16.287306][ T233] ? __queue_work+0x322/0xab0
[ 16.287587][ T233] unregister_netdevice_queue+0x29e/0x410
[ 16.287854][ T233] ? unregister_netdevice_many+0x20/0x20
[ 16.288135][ T233] ? queue_delayed_work_on+0x6a/0xa0
[ 16.288415][ T233] ? lockdep_hardirqs_on+0x7c/0x110
[ 16.288696][ T233] __tun_detach+0xd4a/0x10d0
[ 16.288949][ T233] tun_chr_close+0xae/0x1c0
[ 16.289233][ T233] __fput+0x35c/0xa70
[ 16.289460][ T233] fput_close_sync+0xdd/0x1b0
[ 16.289737][ T233] ? alloc_file_clone+0xf0/0xf0
[ 16.290021][ T233] __x64_sys_close+0x7d/0xd0
[ 16.290301][ T233] do_syscall_64+0xc1/0xfd0
[ 16.290582][ T233] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.290937][ T233] RIP: 0033:0x4901eb
[ 16.291162][ T233] 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
[ 16.292191][ T233] RSP: 002b:00007ffeb85df160 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 16.292622][ T233] RAX: ffffffffffffffda RBX: 00007ffeb85df6c0 RCX: 00000000004901eb
[ 16.293039][ T233] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 16.293415][ T233] RBP: 00007ffeb85df1a0 R08: 0000000000000000 R09: 0000000000000000
[ 16.293823][ T233] R10: 0000000002000000 R11: 0000000000000293 R12: 00007ffeb85df638
[ 16.294237][ T233] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 16.294514][ T233]
[ 16.294657][ T233] Modules linked in:
[ 16.294800][ T233] CR2: 0000000000000000
[ 16.294934][ T233] ---[ end trace 0000000000000000 ]---
[ 16.295149][ T233] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 16.295519][ T233] 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
[ 16.296514][ T233] RSP: 0018:ffffc90000b57900 EFLAGS: 00010046
[ 16.296868][ T233] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8f23e90a
[ 16.297325][ T233] RDX: fffffbfff268a0cd RSI: 0000000000000008 RDI: ffffffff93450660
[ 16.297769][ T233] RBP: ffffc90000b57968 R08: 0000000000000001 R09: fffffbfff268a0cc
[ 16.298188][ T233] R10: ffffffff93450667 R11: ffffc90000b573c0 R12: 0000000000000000
[ 16.298611][ T233] R13: 0000000000000286 R14: ffff88800ac4c000 R15: dffffc0000000000
[ 16.298876][ T233] FS: 0000000022beb3c0(0000) GS:ffff88809d39b000(0000) knlGS:0000000000000000
[ 16.299275][ T233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.299623][ T233] CR2: 0000000000000000 CR3: 000000000a3c3001 CR4: 0000000000772ef0
[ 16.300036][ T233] PKRU: 55555554
[ 16.300248][ T233] Kernel panic - not syncing: Fatal exception
[ 16.300686][ T233] Kernel Offset: 0xdc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 16.301362][ T233] ---[ end Kernel panic - not syncing: Fatal exception ]---
HARD STOP (114.33519)
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr