[ 15.493797][ T231] ==================================================================
[ 15.494083][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 15.494341][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 15.494589][ T231]
[ 15.494679][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 15.494684][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.494686][ T231] Call Trace:
[ 15.494687][ T231]
[ 15.494689][ T231] dump_stack_lvl+0x82/0xc0
[ 15.494696][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 15.494700][ T231] kasan_report+0xca/0x100
[ 15.494705][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 15.494711][ T231] kasan_check_range+0x39/0x1b0
[ 15.494715][ T231] try_to_grab_pending+0x81/0x6c0
[ 15.494720][ T231] __cancel_work+0x7c/0x260
[ 15.494724][ T231] ? enable_delayed_work+0x10/0x10
[ 15.494728][ T231] ? qdisc_destroy+0x50/0x50
[ 15.494734][ T231] __cancel_work_sync+0x18/0xc0
[ 15.494738][ T231] __dev_close_many+0x1ce/0x810
[ 15.494743][ T231] ? netdev_notify_peers+0x20/0x20
[ 15.494746][ T231] ? netif_close_many+0x201/0x650
[ 15.494751][ T231] netif_close_many+0x201/0x650
[ 15.494754][ T231] ? __dev_close_many+0x810/0x810
[ 15.494758][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 15.494762][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 15.494767][ T231] ? try_to_wake_up+0x16e/0xd80
[ 15.494772][ T231] ? sched_ttwu_pending+0x530/0x530
[ 15.494775][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 15.494778][ T231] ? find_held_lock+0x2b/0x80
[ 15.494782][ T231] ? __queue_work+0x322/0xab0
[ 15.494785][ T231] ? __lock_release+0x5d/0x170
[ 15.494789][ T231] ? __queue_work+0x322/0xab0
[ 15.494793][ T231] unregister_netdevice_queue+0x29e/0x410
[ 15.494797][ T231] ? unregister_netdevice_many+0x20/0x20
[ 15.494801][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 15.494804][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 15.494810][ T231] __tun_detach+0xd4a/0x10d0
[ 15.494817][ T231] tun_chr_close+0xae/0x1c0
[ 15.494820][ T231] __fput+0x35c/0xa70
[ 15.494828][ T231] fput_close_sync+0xdd/0x1b0
[ 15.494831][ T231] ? alloc_file_clone+0xf0/0xf0
[ 15.494836][ T231] __x64_sys_close+0x7d/0xd0
[ 15.494840][ T231] do_syscall_64+0xc1/0xfd0
[ 15.494845][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 15.494849][ T231] RIP: 0033:0x4901eb
[ 15.494852][ 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
[ 15.494855][ T231] RSP: 002b:00007ffc3982d430 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 15.494859][ T231] RAX: ffffffffffffffda RBX: 00007ffc3982d990 RCX: 00000000004901eb
[ 15.494861][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 15.494863][ T231] RBP: 00007ffc3982d470 R08: 0000000000000000 R09: 0000000000000000
[ 15.494864][ T231] R10: 000000002c52da50 R11: 0000000000000293 R12: 00007ffc3982d908
[ 15.494866][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 15.494873][ T231]
[ 15.494874][ T231] ==================================================================
[ 15.503989][ T231] Disabling lock debugging due to kernel taint
[ 15.504194][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 15.504430][ T231] #PF: supervisor write access in kernel mode
[ 15.504634][ T231] #PF: error_code(0x0002) - not-present page
[ 15.504831][ T231] PGD b362067 P4D b362067 PUD b361067 PMD 0
[ 15.505036][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 15.505199][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 15.505580][ T231] Tainted: [B]=BAD_PAGE
[ 15.505704][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.505909][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 15.506120][ 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
[ 15.506692][ T231] RSP: 0018:ffffc90000b17900 EFLAGS: 00010046
[ 15.506895][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa523e90a
[ 15.507135][ T231] RDX: fffffbfff528a0cd RSI: 0000000000000008 RDI: ffffffffa9450660
[ 15.507376][ T231] RBP: ffffc90000b17968 R08: 0000000000000001 R09: fffffbfff528a0cc
[ 15.507617][ T231] R10: ffffffffa9450667 R11: ffffc90000b173c0 R12: 0000000000000000
[ 15.507859][ T231] R13: 0000000000000286 R14: ffff888008b1c000 R15: dffffc0000000000
[ 15.508100][ T231] FS: 000000002c50d3c0(0000) GS:ffff88808731b000(0000) knlGS:0000000000000000
[ 15.508379][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.508601][ T231] CR2: 0000000000000000 CR3: 000000000befe006 CR4: 0000000000772ef0
[ 15.508845][ T231] PKRU: 55555554
[ 15.508965][ T231] Call Trace:
[ 15.509086][ T231]
[ 15.509169][ T231] __cancel_work+0x7c/0x260
[ 15.509335][ T231] ? enable_delayed_work+0x10/0x10
[ 15.509500][ T231] ? qdisc_destroy+0x50/0x50
[ 15.509663][ T231] __cancel_work_sync+0x18/0xc0
[ 15.509826][ T231] __dev_close_many+0x1ce/0x810
[ 15.509985][ T231] ? netdev_notify_peers+0x20/0x20
[ 15.510145][ T231] ? netif_close_many+0x201/0x650
[ 15.510306][ T231] netif_close_many+0x201/0x650
[ 15.510466][ T231] ? __dev_close_many+0x810/0x810
[ 15.510632][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 15.510831][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 15.511032][ T231] ? try_to_wake_up+0x16e/0xd80
[ 15.511192][ T231] ? sched_ttwu_pending+0x530/0x530
[ 15.511352][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 15.511513][ T231] ? find_held_lock+0x2b/0x80
[ 15.511673][ T231] ? __queue_work+0x322/0xab0
[ 15.511837][ T231] ? __lock_release+0x5d/0x170
[ 15.512000][ T231] ? __queue_work+0x322/0xab0
[ 15.512160][ T231] unregister_netdevice_queue+0x29e/0x410
[ 15.512321][ T231] ? unregister_netdevice_many+0x20/0x20
[ 15.512480][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 15.512642][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 15.512802][ T231] __tun_detach+0xd4a/0x10d0
[ 15.512972][ T231] tun_chr_close+0xae/0x1c0
[ 15.513131][ T231] __fput+0x35c/0xa70
[ 15.513256][ T231] fput_close_sync+0xdd/0x1b0
[ 15.513416][ T231] ? alloc_file_clone+0xf0/0xf0
[ 15.513579][ T231] __x64_sys_close+0x7d/0xd0
[ 15.513738][ T231] do_syscall_64+0xc1/0xfd0
[ 15.513900][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 15.514100][ T231] RIP: 0033:0x4901eb
[ 15.514230][ 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
[ 15.514802][ T231] RSP: 002b:00007ffc3982d430 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 15.515045][ T231] RAX: ffffffffffffffda RBX: 00007ffc3982d990 RCX: 00000000004901eb
[ 15.515291][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 15.515531][ T231] RBP: 00007ffc3982d470 R08: 0000000000000000 R09: 0000000000000000
[ 15.515771][ T231] R10: 000000002c52da50 R11: 0000000000000293 R12: 00007ffc3982d908
[ 15.516011][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 15.516264][ T231]
[ 15.516384][ T231] Modules linked in:
[ 15.516510][ T231] CR2: 0000000000000000
[ 15.516630][ T231] ---[ end trace 0000000000000000 ]---
[ 15.516792][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 15.516994][ 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
[ 15.517564][ T231] RSP: 0018:ffffc90000b17900 EFLAGS: 00010046
[ 15.517765][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa523e90a
[ 15.518001][ T231] RDX: fffffbfff528a0cd RSI: 0000000000000008 RDI: ffffffffa9450660
[ 15.518241][ T231] RBP: ffffc90000b17968 R08: 0000000000000001 R09: fffffbfff528a0cc
[ 15.518492][ T231] R10: ffffffffa9450667 R11: ffffc90000b173c0 R12: 0000000000000000
[ 15.518732][ T231] R13: 0000000000000286 R14: ffff888008b1c000 R15: dffffc0000000000
[ 15.518969][ T231] FS: 000000002c50d3c0(0000) GS:ffff88808731b000(0000) knlGS:0000000000000000
[ 15.519244][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.519452][ T231] CR2: 0000000000000000 CR3: 000000000befe006 CR4: 0000000000772ef0
[ 15.519692][ T231] PKRU: 55555554
[ 15.519812][ T231] Kernel panic - not syncing: Fatal exception
[ 15.520090][ T231] Kernel Offset: 0x23c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 15.520471][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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