[ 18.048733][ T230] ==================================================================
[ 18.049122][ T230] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.049430][ T230] Write of size 8 at addr 0000000000000000 by task packetdrill/230
[ 18.049727][ T230]
[ 18.049832][ T230] CPU: 3 UID: 0 PID: 230 Comm: packetdrill Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.049839][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.049842][ T230] Call Trace:
[ 18.049845][ T230]
[ 18.049848][ T230] dump_stack_lvl+0x82/0xc0
[ 18.049858][ T230] ? try_to_grab_pending+0x81/0x6c0
[ 18.049863][ T230] kasan_report+0xca/0x100
[ 18.049870][ T230] ? try_to_grab_pending+0x81/0x6c0
[ 18.049876][ T230] kasan_check_range+0x39/0x1b0
[ 18.049881][ T230] try_to_grab_pending+0x81/0x6c0
[ 18.049886][ T230] __cancel_work+0x7c/0x260
[ 18.049889][ T230] ? enable_delayed_work+0x10/0x10
[ 18.049895][ T230] ? qdisc_destroy+0x50/0x50
[ 18.049902][ T230] __cancel_work_sync+0x18/0xc0
[ 18.049906][ T230] __dev_close_many+0x1ce/0x810
[ 18.049911][ T230] ? netdev_notify_peers+0x20/0x20
[ 18.049915][ T230] ? netif_close_many+0x201/0x650
[ 18.049919][ T230] netif_close_many+0x201/0x650
[ 18.049923][ T230] ? __dev_close_many+0x810/0x810
[ 18.049926][ T230] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.049932][ T230] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.049940][ T230] ? try_to_wake_up+0x16e/0xd80
[ 18.049948][ T230] ? sched_ttwu_pending+0x530/0x530
[ 18.049951][ T230] ? dev_ingress_queue_create+0x190/0x190
[ 18.049955][ T230] ? find_held_lock+0x2b/0x80
[ 18.049959][ T230] ? __queue_work+0x322/0xab0
[ 18.049962][ T230] ? __lock_release+0x5d/0x170
[ 18.049966][ T230] ? __queue_work+0x322/0xab0
[ 18.049971][ T230] unregister_netdevice_queue+0x29e/0x410
[ 18.049975][ T230] ? unregister_netdevice_many+0x20/0x20
[ 18.049979][ T230] ? queue_delayed_work_on+0x6a/0xa0
[ 18.049982][ T230] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.049989][ T230] __tun_detach+0xd4a/0x10d0
[ 18.049997][ T230] tun_chr_close+0xae/0x1c0
[ 18.050001][ T230] __fput+0x35c/0xa70
[ 18.050010][ T230] fput_close_sync+0xdd/0x1b0
[ 18.050013][ T230] ? alloc_file_clone+0xf0/0xf0
[ 18.050018][ T230] __x64_sys_close+0x7d/0xd0
[ 18.050022][ T230] do_syscall_64+0xc1/0xfd0
[ 18.050027][ T230] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.050031][ T230] RIP: 0033:0x4901eb
[ 18.050035][ T230] 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
[ 18.050038][ T230] RSP: 002b:00007ffeb2284b50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.050043][ T230] RAX: ffffffffffffffda RBX: 00007ffeb22850b0 RCX: 00000000004901eb
[ 18.050045][ T230] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.050047][ T230] RBP: 00007ffeb2284b90 R08: 0000000000000000 R09: 0000000000000000
[ 18.050049][ T230] R10: 0000000000100000 R11: 0000000000000293 R12: 00007ffeb2285028
[ 18.050051][ T230] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.050057][ T230]
[ 18.050059][ T230] ==================================================================
[ 18.060856][ T230] Disabling lock debugging due to kernel taint
[ 18.061100][ T230] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.061377][ T230] #PF: supervisor write access in kernel mode
[ 18.061611][ T230] #PF: error_code(0x0002) - not-present page
[ 18.061862][ T230] PGD be92067 P4D be92067 PUD 968c067 PMD 0
[ 18.062107][ T230] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.062307][ T230] CPU: 3 UID: 0 PID: 230 Comm: packetdrill Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.062742][ T230] Tainted: [B]=BAD_PAGE
[ 18.062897][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.063134][ T230] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.063386][ T230] 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
[ 18.064080][ T230] RSP: 0018:ffffc90000af7900 EFLAGS: 00010046
[ 18.064333][ T230] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8d63e90a
[ 18.064609][ T230] RDX: fffffbfff230a0cd RSI: 0000000000000008 RDI: ffffffff91850660
[ 18.064902][ T230] RBP: ffffc90000af7968 R08: 0000000000000001 R09: fffffbfff230a0cc
[ 18.065176][ T230] R10: ffffffff91850667 R11: ffffc90000af73c0 R12: 0000000000000000
[ 18.065488][ T230] R13: 0000000000000286 R14: ffff88800ab68000 R15: dffffc0000000000
[ 18.065773][ T230] FS: 0000000035c3e3c0(0000) GS:ffff8880a4b9b000(0000) knlGS:0000000000000000
[ 18.066125][ T230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.066368][ T230] CR2: 0000000000000000 CR3: 0000000006e26004 CR4: 0000000000772ef0
[ 18.066636][ T230] PKRU: 55555554
[ 18.066796][ T230] Call Trace:
[ 18.066951][ T230]
[ 18.067053][ T230] __cancel_work+0x7c/0x260
[ 18.067253][ T230] ? enable_delayed_work+0x10/0x10
[ 18.067437][ T230] ? qdisc_destroy+0x50/0x50
[ 18.067620][ T230] __cancel_work_sync+0x18/0xc0
[ 18.067821][ T230] __dev_close_many+0x1ce/0x810
[ 18.068024][ T230] ? netdev_notify_peers+0x20/0x20
[ 18.068212][ T230] ? netif_close_many+0x201/0x650
[ 18.068398][ T230] netif_close_many+0x201/0x650
[ 18.068575][ T230] ? __dev_close_many+0x810/0x810
[ 18.068776][ T230] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.069023][ T230] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.069259][ T230] ? try_to_wake_up+0x16e/0xd80
[ 18.069439][ T230] ? sched_ttwu_pending+0x530/0x530
[ 18.069618][ T230] ? dev_ingress_queue_create+0x190/0x190
[ 18.069827][ T230] ? find_held_lock+0x2b/0x80
[ 18.070029][ T230] ? __queue_work+0x322/0xab0
[ 18.070221][ T230] ? __lock_release+0x5d/0x170
[ 18.070402][ T230] ? __queue_work+0x322/0xab0
[ 18.070586][ T230] unregister_netdevice_queue+0x29e/0x410
[ 18.070785][ T230] ? unregister_netdevice_many+0x20/0x20
[ 18.070989][ T230] ? queue_delayed_work_on+0x6a/0xa0
[ 18.071187][ T230] ? lockdep_hardirqs_on+0x7c/0x110
[ 18.071379][ T230] __tun_detach+0xd4a/0x10d0
[ 18.071563][ T230] tun_chr_close+0xae/0x1c0
[ 18.071834][ T230] __fput+0x35c/0xa70
[ 18.072053][ T230] fput_close_sync+0xdd/0x1b0
[ 18.072256][ T230] ? alloc_file_clone+0xf0/0xf0
[ 18.072436][ T230] __x64_sys_close+0x7d/0xd0
[ 18.072619][ T230] do_syscall_64+0xc1/0xfd0
[ 18.072814][ T230] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 18.073041][ T230] RIP: 0033:0x4901eb
[ 18.073184][ T230] 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
[ 18.073852][ T230] RSP: 002b:00007ffeb2284b50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 18.074138][ T230] RAX: ffffffffffffffda RBX: 00007ffeb22850b0 RCX: 00000000004901eb
[ 18.074422][ T230] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000005
[ 18.074693][ T230] RBP: 00007ffeb2284b90 R08: 0000000000000000 R09: 0000000000000000
[ 18.074975][ T230] R10: 0000000000100000 R11: 0000000000000293 R12: 00007ffeb2285028
[ 18.075268][ T230] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 18.075541][ T230]
[ 18.075681][ T230] Modules linked in:
[ 18.075833][ T230] CR2: 0000000000000000
[ 18.075975][ T230] ---[ end trace 0000000000000000 ]---
[ 18.076157][ T230] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.076405][ T230] 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
[ 18.077054][ T230] RSP: 0018:ffffc90000af7900 EFLAGS: 00010046
[ 18.077320][ T230] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8d63e90a
[ 18.077583][ T230] RDX: fffffbfff230a0cd RSI: 0000000000000008 RDI: ffffffff91850660
[ 18.077887][ T230] RBP: ffffc90000af7968 R08: 0000000000000001 R09: fffffbfff230a0cc
[ 18.078158][ T230] R10: ffffffff91850667 R11: ffffc90000af73c0 R12: 0000000000000000
[ 18.078444][ T230] R13: 0000000000000286 R14: ffff88800ab68000 R15: dffffc0000000000
[ 18.078719][ T230] FS: 0000000035c3e3c0(0000) GS:ffff8880a4b9b000(0000) knlGS:0000000000000000
[ 18.079049][ T230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.079326][ T230] CR2: 0000000000000000 CR3: 0000000006e26004 CR4: 0000000000772ef0
[ 18.079593][ T230] PKRU: 55555554
[ 18.079752][ T230] Kernel panic - not syncing: Fatal exception
[ 18.080079][ T230] Kernel Offset: 0xc000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.080654][ T230] ---[ end Kernel panic - not syncing: Fatal exception ]---
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