[ 17.633217][ T232] ==================================================================
[ 17.633604][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 17.633898][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 17.634173][ T232]
[ 17.634272][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.634277][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.634282][ T232] Call Trace:
[ 17.634285][ T232]
[ 17.634287][ T232] dump_stack_lvl+0x82/0xc0
[ 17.634299][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 17.634302][ T232] kasan_report+0xca/0x100
[ 17.634314][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 17.634320][ T232] kasan_check_range+0x39/0x1b0
[ 17.634324][ T232] try_to_grab_pending+0x81/0x6c0
[ 17.634329][ T232] __cancel_work+0x7c/0x260
[ 17.634333][ T232] ? enable_delayed_work+0x10/0x10
[ 17.634337][ T232] ? qdisc_destroy+0x50/0x50
[ 17.634345][ T232] __cancel_work_sync+0x18/0xc0
[ 17.634349][ T232] __dev_close_many+0x1ce/0x810
[ 17.634353][ T232] ? netdev_notify_peers+0x20/0x20
[ 17.634356][ T232] ? netif_close_many+0x201/0x650
[ 17.634360][ T232] netif_close_many+0x201/0x650
[ 17.634364][ T232] ? __dev_close_many+0x810/0x810
[ 17.634368][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.634372][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.634376][ T232] ? try_to_wake_up+0x16e/0xd80
[ 17.634381][ T232] ? sched_ttwu_pending+0x530/0x530
[ 17.634384][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 17.634388][ T232] ? find_held_lock+0x2b/0x80
[ 17.634392][ T232] ? irqentry_exit+0x3b/0x80
[ 17.634397][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.634402][ T232] unregister_netdevice_queue+0x29e/0x410
[ 17.634405][ T232] ? unregister_netdevice_many+0x20/0x20
[ 17.634409][ T232] ? queue_delayed_work_on+0x53/0xa0
[ 17.634415][ T232] __tun_detach+0xd4a/0x10d0
[ 17.634422][ T232] tun_chr_close+0xae/0x1c0
[ 17.634426][ T232] __fput+0x35c/0xa70
[ 17.634437][ T232] fput_close_sync+0xdd/0x1b0
[ 17.634440][ T232] ? alloc_file_clone+0xf0/0xf0
[ 17.634444][ T232] __x64_sys_close+0x7d/0xd0
[ 17.634448][ T232] do_syscall_64+0xc1/0xfd0
[ 17.634453][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.634459][ T232] RIP: 0033:0x4901eb
[ 17.634472][ 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
[ 17.634477][ T232] RSP: 002b:00007fffc6cb9e10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.634482][ T232] RAX: ffffffffffffffda RBX: 00007fffc6cba370 RCX: 00000000004901eb
[ 17.634485][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.634487][ T232] RBP: 00007fffc6cb9e50 R08: 0000000000000000 R09: 0000000000000000
[ 17.634488][ T232] R10: 000000002470aba0 R11: 0000000000000293 R12: 00007fffc6cba2e8
[ 17.634490][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.634497][ T232]
[ 17.634498][ T232] ==================================================================
[ 17.644224][ T232] Disabling lock debugging due to kernel taint
[ 17.644464][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 17.644732][ T232] #PF: supervisor write access in kernel mode
[ 17.644951][ T232] #PF: error_code(0x0002) - not-present page
[ 17.645166][ T232] PGD 905d067 P4D 905d067 PUD b459067 PMD 0
[ 17.645397][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 17.645587][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.645988][ T232] Tainted: [B]=BAD_PAGE
[ 17.646125][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.646346][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.646594][ 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
[ 17.647228][ T232] RSP: 0018:ffffc90000a77900 EFLAGS: 00010046
[ 17.647450][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa9e3e90a
[ 17.647720][ T232] RDX: fffffbfff5c0a0cd RSI: 0000000000000008 RDI: ffffffffae050660
[ 17.647992][ T232] RBP: ffffc90000a77968 R08: 0000000000000001 R09: fffffbfff5c0a0cc
[ 17.648255][ T232] R10: ffffffffae050667 R11: ffffc90000a773c0 R12: 0000000000000000
[ 17.648523][ T232] R13: 0000000000000286 R14: ffff88800b41c000 R15: dffffc0000000000
[ 17.648785][ T232] FS: 00000000246eb3c0(0000) GS:ffff88808821b000(0000) knlGS:0000000000000000
[ 17.649108][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.649362][ T232] CR2: 0000000000000000 CR3: 0000000004c8d005 CR4: 0000000000772ef0
[ 17.649637][ T232] PKRU: 55555554
[ 17.649773][ T232] Call Trace:
[ 17.649907][ T232]
[ 17.650010][ T232] __cancel_work+0x7c/0x260
[ 17.650197][ T232] ? enable_delayed_work+0x10/0x10
[ 17.650376][ T232] ? qdisc_destroy+0x50/0x50
[ 17.650562][ T232] __cancel_work_sync+0x18/0xc0
[ 17.650738][ T232] __dev_close_many+0x1ce/0x810
[ 17.650914][ T232] ? netdev_notify_peers+0x20/0x20
[ 17.651098][ T232] ? netif_close_many+0x201/0x650
[ 17.651284][ T232] netif_close_many+0x201/0x650
[ 17.651467][ T232] ? __dev_close_many+0x810/0x810
[ 17.651651][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.651975][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.652188][ T232] ? try_to_wake_up+0x16e/0xd80
[ 17.652363][ T232] ? sched_ttwu_pending+0x530/0x530
[ 17.652587][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 17.652770][ T232] ? find_held_lock+0x2b/0x80
[ 17.652945][ T232] ? irqentry_exit+0x3b/0x80
[ 17.653125][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.653395][ T232] unregister_netdevice_queue+0x29e/0x410
[ 17.653580][ T232] ? unregister_netdevice_many+0x20/0x20
[ 17.653756][ T232] ? queue_delayed_work_on+0x53/0xa0
[ 17.653939][ T232] __tun_detach+0xd4a/0x10d0
[ 17.654216][ T232] tun_chr_close+0xae/0x1c0
[ 17.654390][ T232] __fput+0x35c/0xa70
[ 17.654538][ T232] fput_close_sync+0xdd/0x1b0
[ 17.654712][ T232] ? alloc_file_clone+0xf0/0xf0
[ 17.654989][ T232] __x64_sys_close+0x7d/0xd0
[ 17.655167][ T232] do_syscall_64+0xc1/0xfd0
[ 17.655341][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.655564][ T232] RIP: 0033:0x4901eb
[ 17.655803][ 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
[ 17.656435][ T232] RSP: 002b:00007fffc6cb9e10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.656816][ T232] RAX: ffffffffffffffda RBX: 00007fffc6cba370 RCX: 00000000004901eb
[ 17.657095][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.657469][ T232] RBP: 00007fffc6cb9e50 R08: 0000000000000000 R09: 0000000000000000
[ 17.657736][ T232] R10: 000000002470aba0 R11: 0000000000000293 R12: 00007fffc6cba2e8
[ 17.658011][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.658379][ T232]
[ 17.658519][ T232] Modules linked in:
[ 17.658671][ T232] CR2: 0000000000000000
[ 17.658804][ T232] ---[ end trace 0000000000000000 ]---
[ 17.658983][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.659311][ 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
[ 17.660049][ T232] RSP: 0018:ffffc90000a77900 EFLAGS: 00010046
[ 17.660267][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa9e3e90a
[ 17.660540][ T232] RDX: fffffbfff5c0a0cd RSI: 0000000000000008 RDI: ffffffffae050660
[ 17.660896][ T232] RBP: ffffc90000a77968 R08: 0000000000000001 R09: fffffbfff5c0a0cc
[ 17.661172][ T232] R10: ffffffffae050667 R11: ffffc90000a773c0 R12: 0000000000000000
[ 17.661439][ T232] R13: 0000000000000286 R14: ffff88800b41c000 R15: dffffc0000000000
[ 17.661704][ T232] FS: 00000000246eb3c0(0000) GS:ffff88808821b000(0000) knlGS:0000000000000000
[ 17.662013][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.662336][ T232] CR2: 0000000000000000 CR3: 0000000004c8d005 CR4: 0000000000772ef0
[ 17.662612][ T232] PKRU: 55555554
[ 17.662746][ T232] Kernel panic - not syncing: Fatal exception
[ 17.663068][ T232] Kernel Offset: 0x28800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 17.663582][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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