[ 16.399209][ T232] ==================================================================
[ 16.399534][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 16.399812][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 16.400074][ T232]
[ 16.400165][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 16.400170][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.400172][ T232] Call Trace:
[ 16.400175][ T232]
[ 16.400177][ T232] dump_stack_lvl+0x82/0xc0
[ 16.400186][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 16.400190][ T232] kasan_report+0xca/0x100
[ 16.400198][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 16.400203][ T232] kasan_check_range+0x39/0x1b0
[ 16.400208][ T232] try_to_grab_pending+0x81/0x6c0
[ 16.400213][ T232] __cancel_work+0x7c/0x260
[ 16.400217][ T232] ? enable_delayed_work+0x10/0x10
[ 16.400222][ T232] ? qdisc_destroy+0x50/0x50
[ 16.400229][ T232] __cancel_work_sync+0x18/0xc0
[ 16.400233][ T232] __dev_close_many+0x1ce/0x810
[ 16.400238][ T232] ? netdev_notify_peers+0x20/0x20
[ 16.400242][ T232] ? netif_close_many+0x201/0x650
[ 16.400246][ T232] netif_close_many+0x201/0x650
[ 16.400250][ T232] ? __dev_close_many+0x810/0x810
[ 16.400253][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 16.400258][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 16.400263][ T232] ? try_to_wake_up+0x16e/0xd80
[ 16.400269][ T232] ? sched_ttwu_pending+0x530/0x530
[ 16.400272][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 16.400275][ T232] ? find_held_lock+0x2b/0x80
[ 16.400280][ T232] ? __queue_work+0x322/0xab0
[ 16.400283][ T232] ? __lock_release+0x5d/0x170
[ 16.400287][ T232] ? __queue_work+0x322/0xab0
[ 16.400292][ T232] unregister_netdevice_queue+0x29e/0x410
[ 16.400296][ T232] ? unregister_netdevice_many+0x20/0x20
[ 16.400299][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 16.400303][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 16.400309][ T232] __tun_detach+0xd4a/0x10d0
[ 16.400317][ T232] tun_chr_close+0xae/0x1c0
[ 16.400321][ T232] __fput+0x35c/0xa70
[ 16.400330][ T232] fput_close_sync+0xdd/0x1b0
[ 16.400333][ T232] ? alloc_file_clone+0xf0/0xf0
[ 16.400338][ T232] __x64_sys_close+0x7d/0xd0
[ 16.400342][ T232] do_syscall_64+0xc1/0xfd0
[ 16.400348][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.400352][ T232] RIP: 0033:0x4901eb
[ 16.400356][ 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
[ 16.400359][ T232] RSP: 002b:00007ffc65b69c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 16.400363][ T232] RAX: ffffffffffffffda RBX: 00007ffc65b6a160 RCX: 00000000004901eb
[ 16.400365][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 16.400367][ T232] RBP: 00007ffc65b69c40 R08: 0000000000000000 R09: 0000000000000000
[ 16.400369][ T232] R10: 0000000000000002 R11: 0000000000000293 R12: 00007ffc65b6a0d8
[ 16.400371][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 16.400378][ T232]
[ 16.400379][ T232] ==================================================================
[ 16.410119][ T232] Disabling lock debugging due to kernel taint
[ 16.410341][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 16.410604][ T232] #PF: supervisor write access in kernel mode
[ 16.410811][ T232] #PF: error_code(0x0002) - not-present page
[ 16.411019][ T232] PGD 9c65067 P4D 9c65067 PUD 1ee0067 PMD 0
[ 16.411233][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 16.411409][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 16.411801][ T232] Tainted: [B]=BAD_PAGE
[ 16.411941][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.412156][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 16.412375][ 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
[ 16.412992][ T232] RSP: 0018:ffffc90000ac7900 EFLAGS: 00010046
[ 16.413202][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa2a3e90a
[ 16.413452][ T232] RDX: fffffbfff4d8a0cd RSI: 0000000000000008 RDI: ffffffffa6c50660
[ 16.413711][ T232] RBP: ffffc90000ac7968 R08: 0000000000000001 R09: fffffbfff4d8a0cc
[ 16.413964][ T232] R10: ffffffffa6c50667 R11: ffffc90000ac73c0 R12: 0000000000000000
[ 16.414216][ T232] R13: 0000000000000286 R14: ffff888001e84000 R15: dffffc0000000000
[ 16.414487][ T232] FS: 000000001757c3c0(0000) GS:ffff88808f79b000(0000) knlGS:0000000000000000
[ 16.414785][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.415002][ T232] CR2: 0000000000000000 CR3: 0000000005fb9005 CR4: 0000000000772ef0
[ 16.415256][ T232] PKRU: 55555554
[ 16.415383][ T232] Call Trace:
[ 16.415510][ T232]
[ 16.415610][ T232] __cancel_work+0x7c/0x260
[ 16.415789][ T232] ? enable_delayed_work+0x10/0x10
[ 16.415962][ T232] ? qdisc_destroy+0x50/0x50
[ 16.416131][ T232] __cancel_work_sync+0x18/0xc0
[ 16.416298][ T232] __dev_close_many+0x1ce/0x810
[ 16.416465][ T232] ? netdev_notify_peers+0x20/0x20
[ 16.416643][ T232] ? netif_close_many+0x201/0x650
[ 16.416810][ T232] netif_close_many+0x201/0x650
[ 16.416976][ T232] ? __dev_close_many+0x810/0x810
[ 16.417140][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 16.417344][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 16.417552][ T232] ? try_to_wake_up+0x16e/0xd80
[ 16.417730][ T232] ? sched_ttwu_pending+0x530/0x530
[ 16.417897][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 16.418063][ T232] ? find_held_lock+0x2b/0x80
[ 16.418233][ T232] ? __queue_work+0x322/0xab0
[ 16.418398][ T232] ? __lock_release+0x5d/0x170
[ 16.418575][ T232] ? __queue_work+0x322/0xab0
[ 16.418745][ T232] unregister_netdevice_queue+0x29e/0x410
[ 16.418913][ T232] ? unregister_netdevice_many+0x20/0x20
[ 16.419085][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 16.419249][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 16.419417][ T232] __tun_detach+0xd4a/0x10d0
[ 16.419590][ T232] tun_chr_close+0xae/0x1c0
[ 16.419760][ T232] __fput+0x35c/0xa70
[ 16.419889][ T232] fput_close_sync+0xdd/0x1b0
[ 16.420054][ T232] ? alloc_file_clone+0xf0/0xf0
[ 16.420221][ T232] __x64_sys_close+0x7d/0xd0
[ 16.420391][ T232] do_syscall_64+0xc1/0xfd0
[ 16.420566][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.420779][ T232] RIP: 0033:0x4901eb
[ 16.420913][ 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
[ 16.421499][ T232] RSP: 002b:00007ffc65b69c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 16.421761][ T232] RAX: ffffffffffffffda RBX: 00007ffc65b6a160 RCX: 00000000004901eb
[ 16.422012][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 16.422262][ T232] RBP: 00007ffc65b69c40 R08: 0000000000000000 R09: 0000000000000000
[ 16.422512][ T232] R10: 0000000000000002 R11: 0000000000000293 R12: 00007ffc65b6a0d8
[ 16.422771][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 16.423024][ T232]
[ 16.423150][ T232] Modules linked in:
[ 16.423281][ T232] CR2: 0000000000000000
[ 16.423407][ T232] ---[ end trace 0000000000000000 ]---
[ 16.423579][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 16.423796][ 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
[ 16.424442][ T232] RSP: 0018:ffffc90000ac7900 EFLAGS: 00010046
[ 16.424655][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa2a3e90a
[ 16.424902][ T232] RDX: fffffbfff4d8a0cd RSI: 0000000000000008 RDI: ffffffffa6c50660
[ 16.425146][ T232] RBP: ffffc90000ac7968 R08: 0000000000000001 R09: fffffbfff4d8a0cc
[ 16.425390][ T232] R10: ffffffffa6c50667 R11: ffffc90000ac73c0 R12: 0000000000000000
[ 16.425745][ T232] R13: 0000000000000286 R14: ffff888001e84000 R15: dffffc0000000000
[ 16.425994][ T232] FS: 000000001757c3c0(0000) GS:ffff88808f79b000(0000) knlGS:0000000000000000
[ 16.426274][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.426580][ T232] CR2: 0000000000000000 CR3: 0000000005fb9005 CR4: 0000000000772ef0
[ 16.426826][ T232] PKRU: 55555554
[ 16.426951][ T232] Kernel panic - not syncing: Fatal exception
[ 16.427339][ T232] Kernel Offset: 0x21400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 16.427737][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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