[ 17.506393][ T231] ==================================================================
[ 17.506767][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 17.507079][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 17.507375][ T231]
[ 17.507492][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.507499][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.507502][ T231] Call Trace:
[ 17.507504][ T231]
[ 17.507506][ T231] dump_stack_lvl+0x82/0xc0
[ 17.507515][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 17.507522][ T231] kasan_report+0xca/0x100
[ 17.507528][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 17.507533][ T231] kasan_check_range+0x39/0x1b0
[ 17.507537][ T231] try_to_grab_pending+0x81/0x6c0
[ 17.507542][ T231] __cancel_work+0x7c/0x260
[ 17.507546][ T231] ? enable_delayed_work+0x10/0x10
[ 17.507551][ T231] ? qdisc_destroy+0x50/0x50
[ 17.507560][ T231] __cancel_work_sync+0x18/0xc0
[ 17.507567][ T231] __dev_close_many+0x1ce/0x810
[ 17.507573][ T231] ? netdev_notify_peers+0x20/0x20
[ 17.507578][ T231] ? netif_close_many+0x201/0x650
[ 17.507582][ T231] netif_close_many+0x201/0x650
[ 17.507586][ T231] ? __dev_close_many+0x810/0x810
[ 17.507589][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.507593][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.507598][ T231] ? try_to_wake_up+0x16e/0xd80
[ 17.507604][ T231] ? sched_ttwu_pending+0x530/0x530
[ 17.507607][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 17.507610][ T231] ? find_held_lock+0x2b/0x80
[ 17.507614][ T231] ? __queue_work+0x322/0xab0
[ 17.507617][ T231] ? __lock_release+0x5d/0x170
[ 17.507621][ T231] ? __queue_work+0x322/0xab0
[ 17.507628][ T231] unregister_netdevice_queue+0x29e/0x410
[ 17.507634][ T231] ? unregister_netdevice_many+0x20/0x20
[ 17.507639][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 17.507644][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.507651][ T231] __tun_detach+0xd4a/0x10d0
[ 17.507661][ T231] tun_chr_close+0xae/0x1c0
[ 17.507666][ T231] __fput+0x35c/0xa70
[ 17.507677][ T231] fput_close_sync+0xdd/0x1b0
[ 17.507682][ T231] ? alloc_file_clone+0xf0/0xf0
[ 17.507689][ T231] __x64_sys_close+0x7d/0xd0
[ 17.507694][ T231] do_syscall_64+0xc1/0xfd0
[ 17.507701][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.507707][ T231] RIP: 0033:0x4901eb
[ 17.507712][ T231] 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
[ 17.507717][ T231] RSP: 002b:00007ffd4178ae10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.507722][ T231] RAX: ffffffffffffffda RBX: 00007ffd4178b370 RCX: 00000000004901eb
[ 17.507726][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.507729][ T231] RBP: 00007ffd4178ae50 R08: 0000000000000000 R09: 0000000000000000
[ 17.507731][ T231] R10: 000000000fc8f870 R11: 0000000000000293 R12: 00007ffd4178b2e8
[ 17.507733][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.507739][ T231]
[ 17.507741][ T231] ==================================================================
[ 17.518739][ T231] Disabling lock debugging due to kernel taint
[ 17.518977][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 17.519251][ T231] #PF: supervisor write access in kernel mode
[ 17.519490][ T231] #PF: error_code(0x0002) - not-present page
[ 17.519739][ T231] PGD bde9067 P4D bde9067 PUD bde7067 PMD 0
[ 17.519975][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 17.520161][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.520601][ T231] Tainted: [B]=BAD_PAGE
[ 17.520762][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.521006][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.521250][ T231] 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
[ 17.521928][ T231] RSP: 0018:ffffc90000b17900 EFLAGS: 00010046
[ 17.522158][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8e03e90a
[ 17.522450][ T231] RDX: fffffbfff244a0cd RSI: 0000000000000008 RDI: ffffffff92250660
[ 17.522768][ T231] RBP: ffffc90000b17968 R08: 0000000000000001 R09: fffffbfff244a0cc
[ 17.523048][ T231] R10: ffffffff92250667 R11: ffffc90000b173c0 R12: 0000000000000000
[ 17.523344][ T231] R13: 0000000000000286 R14: ffff888004c4c000 R15: dffffc0000000000
[ 17.523668][ T231] FS: 000000000fc833c0(0000) GS:ffff8880a411b000(0000) knlGS:0000000000000000
[ 17.523985][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.524206][ T231] CR2: 0000000000000000 CR3: 000000000942d005 CR4: 0000000000772ef0
[ 17.524527][ T231] PKRU: 55555554
[ 17.524695][ T231] Call Trace:
[ 17.524846][ T231]
[ 17.524951][ T231] __cancel_work+0x7c/0x260
[ 17.525168][ T231] ? enable_delayed_work+0x10/0x10
[ 17.525369][ T231] ? qdisc_destroy+0x50/0x50
[ 17.525568][ T231] __cancel_work_sync+0x18/0xc0
[ 17.525774][ T231] __dev_close_many+0x1ce/0x810
[ 17.525964][ T231] ? netdev_notify_peers+0x20/0x20
[ 17.526147][ T231] ? netif_close_many+0x201/0x650
[ 17.526350][ T231] netif_close_many+0x201/0x650
[ 17.526538][ T231] ? __dev_close_many+0x810/0x810
[ 17.526737][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.526974][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.527199][ T231] ? try_to_wake_up+0x16e/0xd80
[ 17.527401][ T231] ? sched_ttwu_pending+0x530/0x530
[ 17.527600][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 17.527799][ T231] ? find_held_lock+0x2b/0x80
[ 17.527989][ T231] ? __queue_work+0x322/0xab0
[ 17.528207][ T231] ? __lock_release+0x5d/0x170
[ 17.528407][ T231] ? __queue_work+0x322/0xab0
[ 17.528626][ T231] unregister_netdevice_queue+0x29e/0x410
[ 17.528850][ T231] ? unregister_netdevice_many+0x20/0x20
[ 17.529033][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 17.529229][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.529424][ T231] __tun_detach+0xd4a/0x10d0
[ 17.529633][ T231] tun_chr_close+0xae/0x1c0
[ 17.529822][ T231] __fput+0x35c/0xa70
[ 17.529978][ T231] fput_close_sync+0xdd/0x1b0
[ 17.530157][ T231] ? alloc_file_clone+0xf0/0xf0
[ 17.530360][ T231] __x64_sys_close+0x7d/0xd0
[ 17.530560][ T231] do_syscall_64+0xc1/0xfd0
[ 17.530778][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.531055][ T231] RIP: 0033:0x4901eb
[ 17.531207][ T231] 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
[ 17.531917][ T231] RSP: 002b:00007ffd4178ae10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.532202][ T231] RAX: ffffffffffffffda RBX: 00007ffd4178b370 RCX: 00000000004901eb
[ 17.532512][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.532812][ T231] RBP: 00007ffd4178ae50 R08: 0000000000000000 R09: 0000000000000000
[ 17.533115][ T231] R10: 000000000fc8f870 R11: 0000000000000293 R12: 00007ffd4178b2e8
[ 17.533426][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.533739][ T231]
[ 17.533884][ T231] Modules linked in:
[ 17.534022][ T231] CR2: 0000000000000000
[ 17.534154][ T231] ---[ end trace 0000000000000000 ]---
[ 17.534348][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.534733][ T231] 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
[ 17.535405][ T231] RSP: 0018:ffffc90000b17900 EFLAGS: 00010046
[ 17.535766][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8e03e90a
[ 17.536037][ T231] RDX: fffffbfff244a0cd RSI: 0000000000000008 RDI: ffffffff92250660
[ 17.536320][ T231] RBP: ffffc90000b17968 R08: 0000000000000001 R09: fffffbfff244a0cc
[ 17.536618][ T231] R10: ffffffff92250667 R11: ffffc90000b173c0 R12: 0000000000000000
[ 17.536900][ T231] R13: 0000000000000286 R14: ffff888004c4c000 R15: dffffc0000000000
[ 17.537291][ T231] FS: 000000000fc833c0(0000) GS:ffff8880a411b000(0000) knlGS:0000000000000000
[ 17.537642][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.537894][ T231] CR2: 0000000000000000 CR3: 000000000942d005 CR4: 0000000000772ef0
[ 17.538280][ T231] PKRU: 55555554
[ 17.538431][ T231] Kernel panic - not syncing: Fatal exception
[ 17.538771][ T231] Kernel Offset: 0xca00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 17.539351][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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Ctrl-C stderr
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