[ 21.369182][ T232] ==================================================================
[ 21.369536][ T232] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 21.369830][ T232] Write of size 8 at addr 0000000000000000 by task packetdrill/232
[ 21.370095][ T232]
[ 21.370183][ T232] CPU: 2 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 21.370189][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.370191][ T232] Call Trace:
[ 21.370192][ T232]
[ 21.370194][ T232] dump_stack_lvl+0x82/0xc0
[ 21.370204][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 21.370208][ T232] kasan_report+0xca/0x100
[ 21.370216][ T232] ? try_to_grab_pending+0x81/0x6c0
[ 21.370222][ T232] kasan_check_range+0x39/0x1b0
[ 21.370226][ T232] try_to_grab_pending+0x81/0x6c0
[ 21.370231][ T232] __cancel_work+0x7c/0x260
[ 21.370235][ T232] ? enable_delayed_work+0x10/0x10
[ 21.370240][ T232] ? qdisc_destroy+0x50/0x50
[ 21.370247][ T232] __cancel_work_sync+0x18/0xc0
[ 21.370251][ T232] __dev_close_many+0x1ce/0x810
[ 21.370257][ T232] ? netdev_notify_peers+0x20/0x20
[ 21.370260][ T232] ? netif_close_many+0x201/0x650
[ 21.370264][ T232] netif_close_many+0x201/0x650
[ 21.370268][ T232] ? __dev_close_many+0x810/0x810
[ 21.370272][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 21.370276][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 21.370281][ T232] ? try_to_wake_up+0x16e/0xd80
[ 21.370288][ T232] ? sched_ttwu_pending+0x530/0x530
[ 21.370291][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 21.370294][ T232] ? find_held_lock+0x2b/0x80
[ 21.370300][ T232] ? __queue_work+0x322/0xab0
[ 21.370303][ T232] ? __lock_release+0x5d/0x170
[ 21.370307][ T232] ? __queue_work+0x322/0xab0
[ 21.370311][ T232] unregister_netdevice_queue+0x29e/0x410
[ 21.370315][ T232] ? unregister_netdevice_many+0x20/0x20
[ 21.370319][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 21.370322][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 21.370329][ T232] __tun_detach+0xd4a/0x10d0
[ 21.370338][ T232] tun_chr_close+0xae/0x1c0
[ 21.370342][ T232] __fput+0x35c/0xa70
[ 21.370351][ T232] fput_close_sync+0xdd/0x1b0
[ 21.370354][ T232] ? alloc_file_clone+0xf0/0xf0
[ 21.370359][ T232] __x64_sys_close+0x7d/0xd0
[ 21.370363][ T232] do_syscall_64+0xc1/0xfd0
[ 21.370369][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 21.370373][ T232] RIP: 0033:0x4901eb
[ 21.370378][ 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
[ 21.370381][ T232] RSP: 002b:00007ffd1f344cb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 21.370384][ T232] RAX: ffffffffffffffda RBX: 00007ffd1f345210 RCX: 00000000004901eb
[ 21.370387][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 21.370388][ T232] RBP: 00007ffd1f344cf0 R08: 0000000000000000 R09: 0000000000000000
[ 21.370390][ T232] R10: 0000000001000000 R11: 0000000000000293 R12: 00007ffd1f345188
[ 21.370392][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 21.370398][ T232]
[ 21.370400][ T232] ==================================================================
[ 21.379921][ T232] Disabling lock debugging due to kernel taint
[ 21.380143][ T232] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 21.380384][ T232] #PF: supervisor write access in kernel mode
[ 21.380581][ T232] #PF: error_code(0x0002) - not-present page
[ 21.380803][ T232] PGD bd64067 P4D bd64067 PUD bd65067 PMD 0
[ 21.381023][ T232] Oops: Oops: 0002 [#1] SMP KASAN
[ 21.381197][ T232] CPU: 2 UID: 0 PID: 232 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 21.381571][ T232] Tainted: [B]=BAD_PAGE
[ 21.381710][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.381932][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 21.382155][ 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
[ 21.382764][ T232] RSP: 0018:ffffc90000b57900 EFLAGS: 00010046
[ 21.383000][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89c3e90a
[ 21.383254][ T232] RDX: fffffbfff1bca0cd RSI: 0000000000000008 RDI: ffffffff8de50660
[ 21.383501][ T232] RBP: ffffc90000b57968 R08: 0000000000000001 R09: fffffbfff1bca0cc
[ 21.383765][ T232] R10: ffffffff8de50667 R11: ffffc90000b573c0 R12: 0000000000000000
[ 21.384020][ T232] R13: 0000000000000286 R14: ffff88800aa2c000 R15: dffffc0000000000
[ 21.384269][ T232] FS: 000000003f2c03c0(0000) GS:ffff8880a851b000(0000) knlGS:0000000000000000
[ 21.384565][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.384793][ T232] CR2: 0000000000000000 CR3: 000000000a994004 CR4: 0000000000772ef0
[ 21.385063][ T232] PKRU: 55555554
[ 21.385187][ T232] Call Trace:
[ 21.385313][ T232]
[ 21.385398][ T232] __cancel_work+0x7c/0x260
[ 21.385566][ T232] ? enable_delayed_work+0x10/0x10
[ 21.385755][ T232] ? qdisc_destroy+0x50/0x50
[ 21.385932][ T232] __cancel_work_sync+0x18/0xc0
[ 21.386106][ T232] __dev_close_many+0x1ce/0x810
[ 21.386269][ T232] ? netdev_notify_peers+0x20/0x20
[ 21.386432][ T232] ? netif_close_many+0x201/0x650
[ 21.386597][ T232] netif_close_many+0x201/0x650
[ 21.386792][ T232] ? __dev_close_many+0x810/0x810
[ 21.386957][ T232] ? netif_close_many_and_unlock+0x21/0x2a0
[ 21.387171][ T232] unregister_netdevice_many_notify+0x305/0x1b30
[ 21.387377][ T232] ? try_to_wake_up+0x16e/0xd80
[ 21.387544][ T232] ? sched_ttwu_pending+0x530/0x530
[ 21.387720][ T232] ? dev_ingress_queue_create+0x190/0x190
[ 21.387896][ T232] ? find_held_lock+0x2b/0x80
[ 21.388072][ T232] ? __queue_work+0x322/0xab0
[ 21.388239][ T232] ? __lock_release+0x5d/0x170
[ 21.388407][ T232] ? __queue_work+0x322/0xab0
[ 21.388593][ T232] unregister_netdevice_queue+0x29e/0x410
[ 21.388783][ T232] ? unregister_netdevice_many+0x20/0x20
[ 21.388948][ T232] ? queue_delayed_work_on+0x6a/0xa0
[ 21.389125][ T232] ? lockdep_hardirqs_on+0x7c/0x110
[ 21.389293][ T232] __tun_detach+0xd4a/0x10d0
[ 21.389463][ T232] tun_chr_close+0xae/0x1c0
[ 21.389627][ T232] __fput+0x35c/0xa70
[ 21.389765][ T232] fput_close_sync+0xdd/0x1b0
[ 21.389933][ T232] ? alloc_file_clone+0xf0/0xf0
[ 21.390109][ T232] __x64_sys_close+0x7d/0xd0
[ 21.390271][ T232] do_syscall_64+0xc1/0xfd0
[ 21.390438][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 21.390647][ T232] RIP: 0033:0x4901eb
[ 21.390805][ 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
[ 21.391396][ T232] RSP: 002b:00007ffd1f344cb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 21.391667][ T232] RAX: ffffffffffffffda RBX: 00007ffd1f345210 RCX: 00000000004901eb
[ 21.391927][ T232] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 21.392180][ T232] RBP: 00007ffd1f344cf0 R08: 0000000000000000 R09: 0000000000000000
[ 21.392428][ T232] R10: 0000000001000000 R11: 0000000000000293 R12: 00007ffd1f345188
[ 21.392683][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 21.392969][ T232]
[ 21.393098][ T232] Modules linked in:
[ 21.393228][ T232] CR2: 0000000000000000
[ 21.393350][ T232] ---[ end trace 0000000000000000 ]---
[ 21.393515][ T232] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 21.393761][ 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
[ 21.394354][ T232] RSP: 0018:ffffc90000b57900 EFLAGS: 00010046
[ 21.394566][ T232] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89c3e90a
[ 21.394829][ T232] RDX: fffffbfff1bca0cd RSI: 0000000000000008 RDI: ffffffff8de50660
[ 21.395081][ T232] RBP: ffffc90000b57968 R08: 0000000000000001 R09: fffffbfff1bca0cc
[ 21.395324][ T232] R10: ffffffff8de50667 R11: ffffc90000b573c0 R12: 0000000000000000
[ 21.395566][ T232] R13: 0000000000000286 R14: ffff88800aa2c000 R15: dffffc0000000000
[ 21.395830][ T232] FS: 000000003f2c03c0(0000) GS:ffff8880a851b000(0000) knlGS:0000000000000000
[ 21.396123][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.396327][ T232] CR2: 0000000000000000 CR3: 000000000a994004 CR4: 0000000000772ef0
[ 21.396571][ T232] PKRU: 55555554
[ 21.396698][ T232] Kernel panic - not syncing: Fatal exception
[ 21.397030][ T232] Kernel Offset: 0x8600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 21.397417][ T232] ---[ end Kernel panic - not syncing: Fatal exception ]---
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