[ 17.803919][ T232] ==================================================================
[ 17.804278][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 17.804579][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 17.804858][ T232]
[ 17.804979][ T232] CPU: 2 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.804985][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.804987][ T232] Call Trace:
[ 17.804990][ T232]
[ 17.804992][ T232] dump_stack_lvl+0x82/0xc0
[ 17.805002][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 17.805007][ T232] kasan_report+0xca/0x100
[ 17.805014][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 17.805020][ T232] kasan_check_range+0x39/0x1b0
[ 17.805025][ T232] try_to_grab_pending+0x81/0x6c0
[ 17.805030][ T232] __cancel_work+0x7c/0x260
[ 17.805034][ T232] ? enable_delayed_work+0x10/0x10
[ 17.805039][ T232] ? qdisc_destroy+0x50/0x50
[ 17.805046][ T232] __cancel_work_sync+0x18/0xc0
[ 17.805050][ T232] __dev_close_many+0x1ce/0x810
[ 17.805055][ T232] ? netdev_notify_peers+0x20/0x20
[ 17.805059][ T232] ? netif_close_many+0x201/0x650
[ 17.805063][ T232] netif_close_many+0x201/0x650
[ 17.805067][ T232] ? __dev_close_many+0x810/0x810
[ 17.805071][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.805075][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.805080][ T232] ? try_to_wake_up+0x16e/0xd80
[ 17.805086][ T232] ? sched_ttwu_pending+0x530/0x530
[ 17.805090][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 17.805093][ T232] ? find_held_lock+0x2b/0x80
[ 17.805098][ T232] ? __queue_work+0x322/0xab0
[ 17.805101][ T232] ? __lock_release+0x5d/0x170
[ 17.805105][ T232] ? __queue_work+0x322/0xab0
[ 17.805109][ T232] unregister_netdevice_queue+0x29e/0x410
[ 17.805113][ T232] ? unregister_netdevice_many+0x20/0x20
[ 17.805117][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 17.805120][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.805127][ T232] __tun_detach+0xd4a/0x10d0
[ 17.805135][ T232] tun_chr_close+0xae/0x1c0
[ 17.805138][ T232] __fput+0x35c/0xa70
[ 17.805147][ T232] fput_close_sync+0xdd/0x1b0
[ 17.805151][ T232] ? alloc_file_clone+0xf0/0xf0
[ 17.805155][ T232] __x64_sys_close+0x7d/0xd0
[ 17.805159][ T232] do_syscall_64+0xc1/0xfd0
[ 17.805165][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.805169][ T232] RIP: 0033:0x4901eb
[ 17.805174][ 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
[ 17.805177][ T232] RSP: 002b:00007ffff27f6160 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.805181][ T232] RAX: ffffffffffffffda RBX: 00007ffff27f66c0 RCX: 00000000004901eb
[ 17.805183][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.805185][ T232] RBP: 00007ffff27f61a0 R08: 0000000000000000 R09: 0000000000000000
[ 17.805187][ T232] R10: 000000002c276090 R11: 0000000000000293 R12: 00007ffff27f6638
[ 17.805189][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.805196][ T232]
[ 17.805198][ T232] ==================================================================
[ 17.815485][ T232] Disabling lock debugging due to kernel taint
[ 17.815706][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 17.815960][ T232] #PF: supervisor write access in kernel mode
[ 17.816192][ T232] #PF: error_code(0x0002) - not-present page
[ 17.816426][ T232] PGD 4bfa067 P4D 4bfa067 PUD 2944067 PMD 0
[ 17.816637][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 17.816816][ T232] CPU: 2 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 17.817230][ T232] Tainted: [B]=BAD_PAGE
[ 17.817356][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.817577][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.817803][ 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
[ 17.818414][ T232] RSP: 0018:ffffc90000a67900 EFLAGS: 00010046
[ 17.818632][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaba3e90a
[ 17.818914][ T232] RDX: fffffbfff5f8a0cd RSI: 0000000000000008 RDI: ffffffffafc50660
[ 17.819210][ T232] RBP: ffffc90000a67968 R08: 0000000000000001 R09: fffffbfff5f8a0cc
[ 17.819470][ T232] R10: ffffffffafc50667 R11: ffffc90000a673c0 R12: 0000000000000000
[ 17.819723][ T232] R13: 0000000000000286 R14: ffff888010280000 R15: dffffc0000000000
[ 17.819988][ T232] FS: 000000002c26f3c0(0000) GS:ffff88808671b000(0000) knlGS:0000000000000000
[ 17.820293][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.820514][ T232] CR2: 0000000000000000 CR3: 0000000001ea1006 CR4: 0000000000772ef0
[ 17.820766][ T232] PKRU: 55555554
[ 17.820906][ T232] Call Trace:
[ 17.821041][ T232]
[ 17.821129][ T232] __cancel_work+0x7c/0x260
[ 17.821310][ T232] ? enable_delayed_work+0x10/0x10
[ 17.821486][ T232] ? qdisc_destroy+0x50/0x50
[ 17.821656][ T232] __cancel_work_sync+0x18/0xc0
[ 17.821824][ T232] __dev_close_many+0x1ce/0x810
[ 17.822009][ T232] ? netdev_notify_peers+0x20/0x20
[ 17.822181][ T232] ? netif_close_many+0x201/0x650
[ 17.822358][ T232] netif_close_many+0x201/0x650
[ 17.822525][ T232] ? __dev_close_many+0x810/0x810
[ 17.822692][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 17.822907][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 17.823128][ T232] ? try_to_wake_up+0x16e/0xd80
[ 17.823306][ T232] ? sched_ttwu_pending+0x530/0x530
[ 17.823478][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 17.823642][ T232] ? find_held_lock+0x2b/0x80
[ 17.823806][ T232] ? __queue_work+0x322/0xab0
[ 17.824003][ T232] ? __lock_release+0x5d/0x170
[ 17.824174][ T232] ? __queue_work+0x322/0xab0
[ 17.824344][ T232] unregister_netdevice_queue+0x29e/0x410
[ 17.824521][ T232] ? unregister_netdevice_many+0x20/0x20
[ 17.824699][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 17.824863][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 17.825056][ T232] __tun_detach+0xd4a/0x10d0
[ 17.825242][ T232] tun_chr_close+0xae/0x1c0
[ 17.825426][ T232] __fput+0x35c/0xa70
[ 17.825555][ T232] fput_close_sync+0xdd/0x1b0
[ 17.825721][ T232] ? alloc_file_clone+0xf0/0xf0
[ 17.825888][ T232] __x64_sys_close+0x7d/0xd0
[ 17.826076][ T232] do_syscall_64+0xc1/0xfd0
[ 17.826255][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.826478][ T232] RIP: 0033:0x4901eb
[ 17.826618][ 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
[ 17.827242][ T232] RSP: 002b:00007ffff27f6160 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 17.827506][ T232] RAX: ffffffffffffffda RBX: 00007ffff27f66c0 RCX: 00000000004901eb
[ 17.827756][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 17.828015][ T232] RBP: 00007ffff27f61a0 R08: 0000000000000000 R09: 0000000000000000
[ 17.828287][ T232] R10: 000000002c276090 R11: 0000000000000293 R12: 00007ffff27f6638
[ 17.828551][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 17.828805][ T232]
[ 17.828967][ T232] Modules linked in:
[ 17.829117][ T232] CR2: 0000000000000000
[ 17.829264][ T232] ---[ end trace 0000000000000000 ]---
[ 17.829446][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 17.829679][ 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
[ 17.830439][ T232] RSP: 0018:ffffc90000a67900 EFLAGS: 00010046
[ 17.830663][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaba3e90a
[ 17.831021][ T232] RDX: fffffbfff5f8a0cd RSI: 0000000000000008 RDI: ffffffffafc50660
[ 17.831278][ T232] RBP: ffffc90000a67968 R08: 0000000000000001 R09: fffffbfff5f8a0cc
[ 17.831554][ T232] R10: ffffffffafc50667 R11: ffffc90000a673c0 R12: 0000000000000000
[ 17.831905][ T232] R13: 0000000000000286 R14: ffff888010280000 R15: dffffc0000000000
[ 17.832176][ T232] FS: 000000002c26f3c0(0000) GS:ffff88808671b000(0000) knlGS:0000000000000000
[ 17.832619][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.832834][ T232] CR2: 0000000000000000 CR3: 0000000001ea1006 CR4: 0000000000772ef0
[ 17.833117][ T232] PKRU: 55555554
[ 17.833285][ T232] Kernel panic - not syncing: Fatal exception
[ 17.833717][ T232] Kernel Offset: 0x2a400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 17.834120][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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