[ 20.401026][ T231] ==================================================================
[ 20.401553][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 20.402028][ T231] Write of size 8 at addr 0000000000000000 by task packetdrill/231
[ 20.402489][ T231]
[ 20.402647][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.402655][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.402659][ T231] Call Trace:
[ 20.402662][ T231]
[ 20.402666][ T231] dump_stack_lvl+0x82/0xc0
[ 20.402678][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 20.402684][ T231] kasan_report+0xca/0x100
[ 20.402695][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 20.402705][ T231] kasan_check_range+0x39/0x1b0
[ 20.402711][ T231] try_to_grab_pending+0x81/0x6c0
[ 20.402720][ T231] __cancel_work+0x7c/0x260
[ 20.402726][ T231] ? enable_delayed_work+0x10/0x10
[ 20.402735][ T231] ? qdisc_destroy+0x50/0x50
[ 20.402746][ T231] __cancel_work_sync+0x18/0xc0
[ 20.402754][ T231] __dev_close_many+0x1ce/0x810
[ 20.402762][ T231] ? netdev_notify_peers+0x20/0x20
[ 20.402768][ T231] ? netif_close_many+0x201/0x650
[ 20.402776][ T231] netif_close_many+0x201/0x650
[ 20.402784][ T231] ? __dev_close_many+0x810/0x810
[ 20.402790][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.402799][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 20.402807][ T231] ? try_to_wake_up+0x16e/0xd80
[ 20.402817][ T231] ? sched_ttwu_pending+0x530/0x530
[ 20.402822][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 20.402827][ T231] ? find_held_lock+0x2b/0x80
[ 20.402834][ T231] ? __queue_work+0x322/0xab0
[ 20.402839][ T231] ? __lock_release+0x5d/0x170
[ 20.402846][ T231] ? __queue_work+0x322/0xab0
[ 20.402854][ T231] unregister_netdevice_queue+0x29e/0x410
[ 20.402861][ T231] ? unregister_netdevice_many+0x20/0x20
[ 20.402868][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 20.402873][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 20.402883][ T231] __tun_detach+0xd4a/0x10d0
[ 20.402896][ T231] tun_chr_close+0xae/0x1c0
[ 20.402903][ T231] __fput+0x35c/0xa70
[ 20.402915][ T231] fput_close_sync+0xdd/0x1b0
[ 20.402920][ T231] ? alloc_file_clone+0xf0/0xf0
[ 20.402929][ T231] __x64_sys_close+0x7d/0xd0
[ 20.402936][ T231] do_syscall_64+0xc1/0xfd0
[ 20.402946][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 20.402952][ T231] RIP: 0033:0x4901eb
[ 20.402959][ 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
[ 20.402964][ T231] RSP: 002b:00007fff23426f80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 20.402971][ T231] RAX: ffffffffffffffda RBX: 00007fff234274e0 RCX: 00000000004901eb
[ 20.402975][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 20.402978][ T231] RBP: 00007fff23426fc0 R08: 0000000000000000 R09: 0000000000000000
[ 20.402981][ T231] R10: 0000000002000000 R11: 0000000000000293 R12: 00007fff23427458
[ 20.402984][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 20.402997][ T231]
[ 20.402999][ T231] ==================================================================
[ 20.419657][ T231] Disabling lock debugging due to kernel taint
[ 20.420046][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 20.420483][ T231] #PF: supervisor write access in kernel mode
[ 20.420843][ T231] #PF: error_code(0x0002) - not-present page
[ 20.421212][ T231] PGD b868067 P4D b868067 PUD b875067 PMD 0
[ 20.421592][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 20.421891][ T231] CPU: 2 UID: 0 PID: 231 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.422572][ T231] Tainted: [B]=BAD_PAGE
[ 20.422800][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.423175][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.423569][ 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
[ 20.424589][ T231] RSP: 0018:ffffc90000a97900 EFLAGS: 00010046
[ 20.424963][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff98c3e90a
[ 20.425413][ T231] RDX: fffffbfff39ca0cd RSI: 0000000000000008 RDI: ffffffff9ce50660
[ 20.425831][ T231] RBP: ffffc90000a97968 R08: 0000000000000001 R09: fffffbfff39ca0cc
[ 20.426260][ T231] R10: ffffffff9ce50667 R11: ffffc90000a973c0 R12: 0000000000000000
[ 20.426685][ T231] R13: 0000000000000286 R14: ffff88800c300000 R15: dffffc0000000000
[ 20.427304][ T231] FS: 000000003d2d73c0(0000) GS:ffff88809951b000(0000) knlGS:0000000000000000
[ 20.427827][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.428229][ T231] CR2: 0000000000000000 CR3: 0000000004eff005 CR4: 0000000000772ef0
[ 20.428832][ T231] PKRU: 55555554
[ 20.429085][ T231] Call Trace:
[ 20.429304][ T231]
[ 20.429454][ T231] __cancel_work+0x7c/0x260
[ 20.429761][ T231] ? enable_delayed_work+0x10/0x10
[ 20.430072][ T231] ? qdisc_destroy+0x50/0x50
[ 20.430368][ T231] __cancel_work_sync+0x18/0xc0
[ 20.430667][ T231] __dev_close_many+0x1ce/0x810
[ 20.431146][ T231] ? netdev_notify_peers+0x20/0x20
[ 20.431443][ T231] ? netif_close_many+0x201/0x650
[ 20.431729][ T231] netif_close_many+0x201/0x650
[ 20.432027][ T231] ? __dev_close_many+0x810/0x810
[ 20.432493][ T231] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.432857][ T231] unregister_netdevice_many_notify+0x305/0x1b30
[ 20.433223][ T231] ? try_to_wake_up+0x16e/0xd80
[ 20.433520][ T231] ? sched_ttwu_pending+0x530/0x530
[ 20.433992][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 20.434280][ T231] ? find_held_lock+0x2b/0x80
[ 20.434577][ T231] ? __queue_work+0x322/0xab0
[ 20.434868][ T231] ? __lock_release+0x5d/0x170
[ 20.435349][ T231] ? __queue_work+0x322/0xab0
[ 20.435632][ T231] unregister_netdevice_queue+0x29e/0x410
[ 20.435924][ T231] ? unregister_netdevice_many+0x20/0x20
[ 20.436216][ T231] ? queue_delayed_work_on+0x6a/0xa0
[ 20.436681][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 20.436988][ T231] __tun_detach+0xd4a/0x10d0
[ 20.437288][ T231] tun_chr_close+0xae/0x1c0
[ 20.437585][ T231] __fput+0x35c/0xa70
[ 20.438011][ T231] fput_close_sync+0xdd/0x1b0
[ 20.438307][ T231] ? alloc_file_clone+0xf0/0xf0
[ 20.438593][ T231] __x64_sys_close+0x7d/0xd0
[ 20.438885][ T231] do_syscall_64+0xc1/0xfd0
[ 20.439351][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 20.439714][ T231] RIP: 0033:0x4901eb
[ 20.439946][ 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
[ 20.441166][ T231] RSP: 002b:00007fff23426f80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 20.441607][ T231] RAX: ffffffffffffffda RBX: 00007fff234274e0 RCX: 00000000004901eb
[ 20.442251][ T231] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 20.442680][ T231] RBP: 00007fff23426fc0 R08: 0000000000000000 R09: 0000000000000000
[ 20.443313][ T231] R10: 0000000002000000 R11: 0000000000000293 R12: 00007fff23427458
[ 20.443753][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 20.444203][ T231]
[ 20.444428][ T231] Modules linked in:
[ 20.444830][ T231] CR2: 0000000000000000
[ 20.445045][ T231] ---[ end trace 0000000000000000 ]---
[ 20.445338][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.445706][ 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
[ 20.446910][ T231] RSP: 0018:ffffc90000a97900 EFLAGS: 00010046
[ 20.447458][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff98c3e90a
[ 20.447892][ T231] RDX: fffffbfff39ca0cd RSI: 0000000000000008 RDI: ffffffff9ce50660
[ 20.448319][ T231] RBP: ffffc90000a97968 R08: 0000000000000001 R09: fffffbfff39ca0cc
[ 20.448932][ T231] R10: ffffffff9ce50667 R11: ffffc90000a973c0 R12: 0000000000000000
[ 20.449357][ T231] R13: 0000000000000286 R14: ffff88800c300000 R15: dffffc0000000000
[ 20.449778][ T231] FS: 000000003d2d73c0(0000) GS:ffff88809951b000(0000) knlGS:0000000000000000
[ 20.450457][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.450828][ T231] CR2: 0000000000000000 CR3: 0000000004eff005 CR4: 0000000000772ef0
[ 20.451443][ T231] PKRU: 55555554
[ 20.451662][ T231] Kernel panic - not syncing: Fatal exception
[ 20.452114][ T231] Kernel Offset: 0x17600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 20.452993][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr