[ 18.153956][ T232] ==================================================================
[ 18.154481][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.154850][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 18.155214][ T232]
[ 18.155370][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.155378][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.155385][ T232] Call Trace:
[ 18.155389][ T232]
[ 18.155393][ T232] dump_stack_lvl+0x82/0xc0
[ 18.155409][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.155413][ T232] kasan_report+0xca/0x100
[ 18.155420][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.155426][ T232] kasan_check_range+0x39/0x1b0
[ 18.155430][ T232] try_to_grab_pending+0x81/0x6c0
[ 18.155435][ T232] __cancel_work+0x7c/0x260
[ 18.155439][ T232] ? enable_delayed_work+0x10/0x10
[ 18.155444][ T232] ? qdisc_destroy+0x50/0x50
[ 18.155452][ T232] __cancel_work_sync+0x18/0xc0
[ 18.155457][ T232] __dev_close_many+0x1ce/0x810
[ 18.155464][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.155467][ T232] ? netif_close_many+0x201/0x650
[ 18.155471][ T232] netif_close_many+0x201/0x650
[ 18.155476][ T232] ? __dev_close_many+0x810/0x810
[ 18.155479][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.155490][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.155495][ T232] ? try_to_wake_up+0x16e/0xd80
[ 18.155505][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.155510][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.155513][ T232] ? find_held_lock+0x2b/0x80
[ 18.155529][ T232] ? __queue_work+0x322/0xab0
[ 18.155545][ T232] ? __lock_release+0x5d/0x170
[ 18.155563][ T232] ? __queue_work+0x322/0xab0
[ 18.155573][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.155577][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.155581][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 18.155585][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.155593][ T232] __tun_detach+0xd4a/0x10d0
[ 18.155606][ T232] tun_chr_close+0xae/0x1c0
[ 18.155609][ T232] __fput+0x35c/0xa70
[ 18.155617][ T232] fput_close_sync+0xdd/0x1b0
[ 18.155629][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.155644][ T232] __x64_sys_close+0x7d/0xd0
[ 18.155658][ T232] do_syscall_64+0xc1/0xfd0
[ 18.155679][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.155693][ T232] RIP: 0033:0x4901eb
[ 18.155728][ 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
[ 18.155734][ T232] RSP: 002b:00007ffdce348d40 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.155741][ T232] RAX: ffffffffffffffda RBX: 00007ffdce3492a0 RCX: 00000000004901eb
[ 18.155744][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.155745][ T232] RBP: 00007ffdce348d80 R08: 0000000000000000 R09: 0000000000000000
[ 18.155747][ T232] R10: 0000000002000000 R11: 0000000000000293 R12: 00007ffdce349218
[ 18.155749][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.155756][ T232]
[ 18.155758][ T232] ==================================================================
[ 18.170602][ T232] Disabling lock debugging due to kernel taint
[ 18.170959][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.171393][ T232] #PF: supervisor write access in kernel mode
[ 18.171816][ T232] #PF: error_code(0x0002) - not-present page
[ 18.172077][ T232] PGD ba69067 P4D ba69067 PUD a7a3067 PMD 0
[ 18.172333][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.172533][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.173095][ T232] Tainted: [B]=BAD_PAGE
[ 18.173275][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.173714][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.174113][ 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
[ 18.175103][ T232] RSP: 0018:ffffc90000ab7900 EFLAGS: 00010046
[ 18.175451][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb523e90a
[ 18.175866][ T232] RDX: fffffbfff728a0cd RSI: 0000000000000008 RDI: ffffffffb9450660
[ 18.176352][ T232] RBP: ffffc90000ab7968 R08: 0000000000000001 R09: fffffbfff728a0cc
[ 18.176730][ T232] R10: ffffffffb9450667 R11: ffffc90000ab73c0 R12: 0000000000000000
[ 18.177040][ T232] R13: 0000000000000286 R14: ffff888008aa4000 R15: dffffc0000000000
[ 18.177555][ T232] FS: 00000000381a73c0(0000) GS:ffff88807ce1b000(0000) knlGS:0000000000000000
[ 18.178058][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.178428][ T232] CR2: 0000000000000000 CR3: 0000000002401003 CR4: 0000000000772ef0
[ 18.178803][ T232] PKRU: 55555554
[ 18.178975][ T232] Call Trace:
[ 18.179151][ T232]
[ 18.179277][ T232] __cancel_work+0x7c/0x260
[ 18.179572][ T232] ? enable_delayed_work+0x10/0x10
[ 18.179869][ T232] ? qdisc_destroy+0x50/0x50
[ 18.180086][ T232] __cancel_work_sync+0x18/0xc0
[ 18.180320][ T232] __dev_close_many+0x1ce/0x810
[ 18.180502][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.180739][ T232] ? netif_close_many+0x201/0x650
[ 18.181067][ T232] netif_close_many+0x201/0x650
[ 18.181386][ T232] ? __dev_close_many+0x810/0x810
[ 18.181609][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.181897][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.182197][ T232] ? try_to_wake_up+0x16e/0xd80
[ 18.182433][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.182693][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.182967][ T232] ? find_held_lock+0x2b/0x80
[ 18.183160][ T232] ? __queue_work+0x322/0xab0
[ 18.183492][ T232] ? __lock_release+0x5d/0x170
[ 18.183761][ T232] ? __queue_work+0x322/0xab0
[ 18.184018][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.184351][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.184631][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 18.184872][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.185085][ T232] __tun_detach+0xd4a/0x10d0
[ 18.185358][ T232] tun_chr_close+0xae/0x1c0
[ 18.185586][ T232] __fput+0x35c/0xa70
[ 18.185779][ T232] fput_close_sync+0xdd/0x1b0
[ 18.186071][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.186298][ T232] __x64_sys_close+0x7d/0xd0
[ 18.186492][ T232] do_syscall_64+0xc1/0xfd0
[ 18.186709][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.186931][ T232] RIP: 0033:0x4901eb
[ 18.187196][ 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
[ 18.187909][ T232] RSP: 002b:00007ffdce348d40 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.188362][ T232] RAX: ffffffffffffffda RBX: 00007ffdce3492a0 RCX: 00000000004901eb
[ 18.188695][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.189144][ T232] RBP: 00007ffdce348d80 R08: 0000000000000000 R09: 0000000000000000
[ 18.189519][ T232] R10: 0000000002000000 R11: 0000000000000293 R12: 00007ffdce349218
[ 18.189850][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.190196][ T232]
[ 18.190352][ T232] Modules linked in:
[ 18.190589][ T232] CR2: 0000000000000000
[ 18.190830][ T232] ---[ end trace 0000000000000000 ]---
[ 18.191097][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.191460][ 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
[ 18.192420][ T232] RSP: 0018:ffffc90000ab7900 EFLAGS: 00010046
[ 18.192752][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb523e90a
[ 18.193037][ T232] RDX: fffffbfff728a0cd RSI: 0000000000000008 RDI: ffffffffb9450660
[ 18.193354][ T232] RBP: ffffc90000ab7968 R08: 0000000000000001 R09: fffffbfff728a0cc
[ 18.193714][ T232] R10: ffffffffb9450667 R11: ffffc90000ab73c0 R12: 0000000000000000
[ 18.194138][ T232] R13: 0000000000000286 R14: ffff888008aa4000 R15: dffffc0000000000
[ 18.194528][ T232] FS: 00000000381a73c0(0000) GS:ffff88807ce1b000(0000) knlGS:0000000000000000
[ 18.195034][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.195310][ T232] CR2: 0000000000000000 CR3: 0000000002401003 CR4: 0000000000772ef0
[ 18.195731][ T232] PKRU: 55555554
[ 18.195952][ T232] Kernel panic - not syncing: Fatal exception
[ 18.196364][ T232] Kernel Offset: 0x33c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.197030][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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