[ 18.436311][ T232] ==================================================================
[ 18.436731][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.437042][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 18.437338][ T232]
[ 18.437440][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.437446][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.437449][ T232] Call Trace:
[ 18.437451][ T232]
[ 18.437453][ T232] dump_stack_lvl+0x82/0xc0
[ 18.437466][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.437472][ T232] kasan_report+0xca/0x100
[ 18.437480][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.437486][ T232] kasan_check_range+0x39/0x1b0
[ 18.437490][ T232] try_to_grab_pending+0x81/0x6c0
[ 18.437495][ T232] __cancel_work+0x7c/0x260
[ 18.437499][ T232] ? enable_delayed_work+0x10/0x10
[ 18.437504][ T232] ? qdisc_destroy+0x50/0x50
[ 18.437511][ T232] __cancel_work_sync+0x18/0xc0
[ 18.437516][ T232] __dev_close_many+0x1ce/0x810
[ 18.437522][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.437525][ T232] ? netif_close_many+0x201/0x650
[ 18.437529][ T232] netif_close_many+0x201/0x650
[ 18.437533][ T232] ? __dev_close_many+0x810/0x810
[ 18.437536][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.437541][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.437545][ T232] ? try_to_wake_up+0x16e/0xd80
[ 18.437552][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.437555][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.437559][ T232] ? find_held_lock+0x2b/0x80
[ 18.437564][ T232] ? __queue_work+0x322/0xab0
[ 18.437567][ T232] ? __lock_release+0x5d/0x170
[ 18.437572][ T232] ? __queue_work+0x322/0xab0
[ 18.437580][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.437585][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.437590][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 18.437594][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.437600][ T232] __tun_detach+0xd4a/0x10d0
[ 18.437609][ T232] tun_chr_close+0xae/0x1c0
[ 18.437613][ T232] __fput+0x35c/0xa70
[ 18.437622][ T232] fput_close_sync+0xdd/0x1b0
[ 18.437625][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.437630][ T232] __x64_sys_close+0x7d/0xd0
[ 18.437634][ T232] do_syscall_64+0xc1/0xfd0
[ 18.437640][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.437645][ T232] RIP: 0033:0x4901eb
[ 18.437650][ 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
[ 18.437653][ T232] RSP: 002b:00007fffc0d16a20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.437657][ T232] RAX: ffffffffffffffda RBX: 00007fffc0d16f80 RCX: 00000000004901eb
[ 18.437660][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.437662][ T232] RBP: 00007fffc0d16a60 R08: 0000000000000000 R09: 0000000000000000
[ 18.437664][ T232] R10: 0000000002000000 R11: 0000000000000293 R12: 00007fffc0d16ef8
[ 18.437666][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.437672][ T232]
[ 18.437674][ T232] ==================================================================
[ 18.449926][ T232] Disabling lock debugging due to kernel taint
[ 18.450151][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.450402][ T232] #PF: supervisor write access in kernel mode
[ 18.450635][ T232] #PF: error_code(0x0002) - not-present page
[ 18.450852][ T232] PGD 9f27067 P4D 9f27067 PUD 50de067 PMD 0
[ 18.451082][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.451258][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.451686][ T232] Tainted: [B]=BAD_PAGE
[ 18.451822][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.452040][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.452279][ 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
[ 18.452905][ T232] RSP: 0018:ffffc90000aa7900 EFLAGS: 00010046
[ 18.453123][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb1e3e90a
[ 18.453387][ T232] RDX: fffffbfff6c0a0cd RSI: 0000000000000008 RDI: ffffffffb6050660
[ 18.453766][ T232] RBP: ffffc90000aa7968 R08: 0000000000000001 R09: fffffbfff6c0a0cc
[ 18.454186][ T232] R10: ffffffffb6050667 R11: ffffc90000aa73c0 R12: 0000000000000000
[ 18.454584][ T232] R13: 0000000000000286 R14: ffff88800abf4000 R15: dffffc0000000000
[ 18.454846][ T232] FS: 0000000021ea13c0(0000) GS:ffff88808039b000(0000) knlGS:0000000000000000
[ 18.455150][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.455364][ T232] CR2: 0000000000000000 CR3: 00000000050d9002 CR4: 0000000000772ef0
[ 18.455629][ T232] PKRU: 55555554
[ 18.455765][ T232] Call Trace:
[ 18.455894][ T232]
[ 18.455984][ T232] __cancel_work+0x7c/0x260
[ 18.456165][ T232] ? enable_delayed_work+0x10/0x10
[ 18.456337][ T232] ? qdisc_destroy+0x50/0x50
[ 18.456532][ T232] __cancel_work_sync+0x18/0xc0
[ 18.456734][ T232] __dev_close_many+0x1ce/0x810
[ 18.456906][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.457073][ T232] ? netif_close_many+0x201/0x650
[ 18.457243][ T232] netif_close_many+0x201/0x650
[ 18.457411][ T232] ? __dev_close_many+0x810/0x810
[ 18.457594][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.457808][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.458020][ T232] ? try_to_wake_up+0x16e/0xd80
[ 18.458192][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.458360][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.458539][ T232] ? find_held_lock+0x2b/0x80
[ 18.458742][ T232] ? __queue_work+0x322/0xab0
[ 18.458918][ T232] ? __lock_release+0x5d/0x170
[ 18.459087][ T232] ? __queue_work+0x322/0xab0
[ 18.459256][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.459541][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.459720][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 18.459892][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.460068][ T232] __tun_detach+0xd4a/0x10d0
[ 18.460343][ T232] tun_chr_close+0xae/0x1c0
[ 18.460526][ T232] __fput+0x35c/0xa70
[ 18.460681][ T232] fput_close_sync+0xdd/0x1b0
[ 18.460857][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.461124][ T232] __x64_sys_close+0x7d/0xd0
[ 18.461292][ T232] do_syscall_64+0xc1/0xfd0
[ 18.461478][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.461742][ T232] RIP: 0033:0x4901eb
[ 18.462004][ 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
[ 18.462719][ T232] RSP: 002b:00007fffc0d16a20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.462978][ T232] RAX: ffffffffffffffda RBX: 00007fffc0d16f80 RCX: 00000000004901eb
[ 18.463234][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.463598][ T232] RBP: 00007fffc0d16a60 R08: 0000000000000000 R09: 0000000000000000
[ 18.463853][ T232] R10: 0000000002000000 R11: 0000000000000293 R12: 00007fffc0d16ef8
[ 18.464107][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.464472][ T232]
[ 18.464614][ T232] Modules linked in:
[ 18.464750][ T232] CR2: 0000000000000000
[ 18.464876][ T232] ---[ end trace 0000000000000000 ]---
[ 18.465149][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.465368][ 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
[ 18.466081][ T232] RSP: 0018:ffffc90000aa7900 EFLAGS: 00010046
[ 18.466289][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb1e3e90a
[ 18.466549][ T232] RDX: fffffbfff6c0a0cd RSI: 0000000000000008 RDI: ffffffffb6050660
[ 18.466898][ T232] RBP: ffffc90000aa7968 R08: 0000000000000001 R09: fffffbfff6c0a0cc
[ 18.467150][ T232] R10: ffffffffb6050667 R11: ffffc90000aa73c0 R12: 0000000000000000
[ 18.467504][ T232] R13: 0000000000000286 R14: ffff88800abf4000 R15: dffffc0000000000
[ 18.467752][ T232] FS: 0000000021ea13c0(0000) GS:ffff88808039b000(0000) knlGS:0000000000000000
[ 18.468040][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.468365][ T232] CR2: 0000000000000000 CR3: 00000000050d9002 CR4: 0000000000772ef0
[ 18.468659][ T232] PKRU: 55555554
[ 18.468785][ T232] Kernel panic - not syncing: Fatal exception
[ 18.469200][ T232] Kernel Offset: 0x30800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.469597][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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