[ 18.426326][ T232] ==================================================================
[ 18.426701][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.427030][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 18.427330][ T232]
[ 18.427438][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.427444][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.427446][ T232] Call Trace:
[ 18.427448][ T232]
[ 18.427450][ T232] dump_stack_lvl+0x82/0xc0
[ 18.427460][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.427465][ T232] kasan_report+0xca/0x100
[ 18.427473][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 18.427479][ T232] kasan_check_range+0x39/0x1b0
[ 18.427483][ T232] try_to_grab_pending+0x81/0x6c0
[ 18.427488][ T232] __cancel_work+0x7c/0x260
[ 18.427492][ T232] ? enable_delayed_work+0x10/0x10
[ 18.427497][ T232] ? qdisc_destroy+0x50/0x50
[ 18.427504][ T232] __cancel_work_sync+0x18/0xc0
[ 18.427509][ T232] __dev_close_many+0x1ce/0x810
[ 18.427514][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.427518][ T232] ? netif_close_many+0x201/0x650
[ 18.427522][ T232] netif_close_many+0x201/0x650
[ 18.427526][ T232] ? __dev_close_many+0x810/0x810
[ 18.427529][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.427534][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.427539][ T232] ? try_to_wake_up+0x16e/0xd80
[ 18.427545][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.427549][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.427552][ T232] ? find_held_lock+0x2b/0x80
[ 18.427557][ T232] ? __queue_work+0x322/0xab0
[ 18.427560][ T232] ? __lock_release+0x5d/0x170
[ 18.427565][ T232] ? __queue_work+0x322/0xab0
[ 18.427569][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.427576][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.427581][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 18.427585][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.427593][ T232] __tun_detach+0xd4a/0x10d0
[ 18.427603][ T232] tun_chr_close+0xae/0x1c0
[ 18.427607][ T232] __fput+0x35c/0xa70
[ 18.427616][ T232] fput_close_sync+0xdd/0x1b0
[ 18.427620][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.427625][ T232] __x64_sys_close+0x7d/0xd0
[ 18.427628][ T232] do_syscall_64+0xc1/0xfd0
[ 18.427635][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.427640][ T232] RIP: 0033:0x4901eb
[ 18.427644][ 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
[ 18.427647][ T232] RSP: 002b:00007ffd4e866da0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.427651][ T232] RAX: ffffffffffffffda RBX: 00007ffd4e867300 RCX: 00000000004901eb
[ 18.427654][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.427655][ T232] RBP: 00007ffd4e866de0 R08: 0000000000000000 R09: 0000000000000000
[ 18.427657][ T232] R10: 0000000000040000 R11: 0000000000000293 R12: 00007ffd4e867278
[ 18.427659][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.427667][ T232]
[ 18.427669][ T232] ==================================================================
[ 18.438992][ T232] Disabling lock debugging due to kernel taint
[ 18.439255][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.439556][ T232] #PF: supervisor write access in kernel mode
[ 18.439818][ T232] #PF: error_code(0x0002) - not-present page
[ 18.440061][ T232] PGD 88bc067 P4D 88bc067 PUD 9148067 PMD 0
[ 18.440314][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.440511][ T232] CPU: 0 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.440980][ T232] Tainted: [B]=BAD_PAGE
[ 18.441127][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.441387][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.441659][ 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
[ 18.442382][ T232] RSP: 0018:ffffc90000a97900 EFLAGS: 00010046
[ 18.442620][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9ce3e90a
[ 18.442930][ T232] RDX: fffffbfff420a0cd RSI: 0000000000000008 RDI: ffffffffa1050660
[ 18.443245][ T232] RBP: ffffc90000a97968 R08: 0000000000000001 R09: fffffbfff420a0cc
[ 18.443545][ T232] R10: ffffffffa1050667 R11: ffffc90000a973c0 R12: 0000000000000000
[ 18.443852][ T232] R13: 0000000000000286 R14: ffff88800a9b0000 R15: dffffc0000000000
[ 18.444154][ T232] FS: 00000000213323c0(0000) GS:ffff88809521b000(0000) knlGS:0000000000000000
[ 18.444499][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.444744][ T232] CR2: 0000000000000000 CR3: 0000000004be0006 CR4: 0000000000772ef0
[ 18.445057][ T232] PKRU: 55555554
[ 18.445207][ T232] Call Trace:
[ 18.445360][ T232]
[ 18.445461][ T232] __cancel_work+0x7c/0x260
[ 18.445660][ T232] ? enable_delayed_work+0x10/0x10
[ 18.445874][ T232] ? qdisc_destroy+0x50/0x50
[ 18.446071][ T232] __cancel_work_sync+0x18/0xc0
[ 18.446277][ T232] __dev_close_many+0x1ce/0x810
[ 18.446469][ T232] ? netdev_notify_peers+0x20/0x20
[ 18.446664][ T232] ? netif_close_many+0x201/0x650
[ 18.446874][ T232] netif_close_many+0x201/0x650
[ 18.447089][ T232] ? __dev_close_many+0x810/0x810
[ 18.447308][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.447550][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.447803][ T232] ? try_to_wake_up+0x16e/0xd80
[ 18.448007][ T232] ? sched_ttwu_pending+0x530/0x530
[ 18.448207][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 18.448405][ T232] ? find_held_lock+0x2b/0x80
[ 18.448594][ T232] ? __queue_work+0x322/0xab0
[ 18.448912][ T232] ? __lock_release+0x5d/0x170
[ 18.449110][ T232] ? __queue_work+0x322/0xab0
[ 18.449314][ T232] unregister_netdevice_queue+0x29e/0x410
[ 18.449503][ T232] ? unregister_netdevice_many+0x20/0x20
[ 18.449818][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 18.450039][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.450247][ T232] __tun_detach+0xd4a/0x10d0
[ 18.450443][ T232] tun_chr_close+0xae/0x1c0
[ 18.450742][ T232] __fput+0x35c/0xa70
[ 18.450902][ T232] fput_close_sync+0xdd/0x1b0
[ 18.451103][ T232] ? alloc_file_clone+0xf0/0xf0
[ 18.451322][ T232] __x64_sys_close+0x7d/0xd0
[ 18.451621][ T232] do_syscall_64+0xc1/0xfd0
[ 18.451838][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.452085][ T232] RIP: 0033:0x4901eb
[ 18.452253][ 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
[ 18.453074][ T232] RSP: 002b:00007ffd4e866da0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.453480][ T232] RAX: ffffffffffffffda RBX: 00007ffd4e867300 RCX: 00000000004901eb
[ 18.453785][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.454085][ T232] RBP: 00007ffd4e866de0 R08: 0000000000000000 R09: 0000000000000000
[ 18.454507][ T232] R10: 0000000000040000 R11: 0000000000000293 R12: 00007ffd4e867278
[ 18.454812][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.455235][ T232]
[ 18.455400][ T232] Modules linked in:
[ 18.455547][ T232] CR2: 0000000000000000
[ 18.455695][ T232] ---[ end trace 0000000000000000 ]---
[ 18.455899][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.456288][ 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
[ 18.457095][ T232] RSP: 0018:ffffc90000a97900 EFLAGS: 00010046
[ 18.457354][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9ce3e90a
[ 18.457639][ T232] RDX: fffffbfff420a0cd RSI: 0000000000000008 RDI: ffffffffa1050660
[ 18.458055][ T232] RBP: ffffc90000a97968 R08: 0000000000000001 R09: fffffbfff420a0cc
[ 18.458350][ T232] R10: ffffffffa1050667 R11: ffffc90000a973c0 R12: 0000000000000000
[ 18.458631][ T232] R13: 0000000000000286 R14: ffff88800a9b0000 R15: dffffc0000000000
[ 18.459047][ T232] FS: 00000000213323c0(0000) GS:ffff88809521b000(0000) knlGS:0000000000000000
[ 18.459404][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.459645][ T232] CR2: 0000000000000000 CR3: 0000000004be0006 CR4: 0000000000772ef0
[ 18.460066][ T232] PKRU: 55555554
[ 18.460215][ T232] Kernel panic - not syncing: Fatal exception
[ 18.460546][ T232] Kernel Offset: 0x1b800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.461134][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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