[ 15.057261][ T243] netdevsim netdevsim440 eni440np1: renamed from eth0
[ 23.247123][ T231] ==================================================================
[ 23.247615][ T231] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 23.247954][ T231] Write of size 8 at addr 0000000000000000 by task tc-mq-visibilit/231
[ 23.248262][ T231]
[ 23.248381][ T231] CPU: 0 UID: 0 PID: 231 Comm: tc-mq-visibilit Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 23.248390][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.248393][ T231] Call Trace:
[ 23.248395][ T231]
[ 23.248397][ T231] dump_stack_lvl+0x82/0xc0
[ 23.248409][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 23.248412][ T231] kasan_report+0xca/0x100
[ 23.248420][ T231] ? try_to_grab_pending+0x81/0x6c0
[ 23.248426][ T231] kasan_check_range+0x39/0x1b0
[ 23.248430][ T231] try_to_grab_pending+0x81/0x6c0
[ 23.248434][ T231] ? page_pool_release+0x13c/0x170
[ 23.248441][ T231] __cancel_work+0x7c/0x260
[ 23.248444][ T231] ? enable_delayed_work+0x10/0x10
[ 23.248448][ T231] ? page_pool_release+0x13c/0x170
[ 23.248451][ T231] ? page_pool_destroy+0xbf/0x420
[ 23.248456][ T231] __cancel_work_sync+0x18/0xc0
[ 23.248460][ T231] __dev_close_many+0x1cf/0x980
[ 23.248468][ T231] ? netdev_notify_peers+0x20/0x20
[ 23.248472][ T231] ? __mutex_lock+0x19f/0x1190
[ 23.248486][ T231] netif_close_many+0x201/0x650
[ 23.248490][ T231] ? ww_mutex_lock+0x160/0x160
[ 23.248500][ T231] ? __dev_close_many+0x980/0x980
[ 23.248505][ T231] ? validate_chain+0x15e/0x4d0
[ 23.248512][ T231] ? find_held_lock+0x2b/0x80
[ 23.248520][ T231] netif_close_many_and_unlock+0x21/0x2a0
[ 23.248528][ T231] unregister_netdevice_many_notify+0xeed/0x1c90
[ 23.248533][ T231] ? __mutex_handoff+0x2b0/0x2b0
[ 23.248538][ T231] ? rcu_is_watching+0x12/0xb0
[ 23.248544][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 23.248547][ T231] ? __mutex_lock+0x19f/0x1190
[ 23.248550][ T231] ? __rtnl_unlock+0x69/0xf0
[ 23.248556][ T231] ? nsim_destroy+0xf1/0x730 [netdevsim]
[ 23.248573][ T231] ? ww_mutex_lock+0x160/0x160
[ 23.248578][ T231] unregister_netdevice_queue+0x29e/0x410
[ 23.248582][ T231] ? unregister_netdevice_many+0x20/0x20
[ 23.248588][ T231] nsim_destroy+0x16e/0x730 [netdevsim]
[ 23.248601][ T231] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 23.248613][ T231] nsim_dev_reload_destroy+0xdc/0x470 [netdevsim]
[ 23.248625][ T231] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 23.248637][ T231] device_release_driver_internal+0x3bb/0x580
[ 23.248644][ T231] ? klist_put+0xb1/0x170
[ 23.248648][ T231] bus_remove_device+0x1ee/0x3f0
[ 23.248653][ T231] device_del+0x33b/0x8c0
[ 23.248660][ T231] ? __device_link_del+0x3c0/0x3c0
[ 23.248666][ T231] device_unregister+0x17/0xa0
[ 23.248669][ T231] del_device_store+0x2f2/0x4f0 [netdevsim]
[ 23.248681][ T231] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim]
[ 23.248691][ T231] ? sysfs_file_kobj+0xb5/0x1f0
[ 23.248697][ T231] ? sysfs_file_kobj+0xbf/0x1f0
[ 23.248701][ T231] ? sysfs_file_ops+0x120/0x120
[ 23.248703][ T231] kernfs_fop_write_iter+0x2f2/0x490
[ 23.248707][ T231] vfs_write+0xaae/0x12c0
[ 23.248715][ T231] ? kernel_write+0x6b0/0x6b0
[ 23.248720][ T231] ? lock_vma_under_rcu+0x138/0x3d0
[ 23.248728][ T231] ? find_held_lock+0x2b/0x80
[ 23.248733][ T231] ksys_write+0xf7/0x1d0
[ 23.248736][ T231] ? __ia32_sys_read+0xb0/0xb0
[ 23.248739][ T231] ? do_user_addr_fault+0x955/0xe00
[ 23.248751][ T231] do_syscall_64+0xc1/0xfd0
[ 23.248757][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 23.248761][ T231] RIP: 0033:0x7fcf59b73257
[ 23.248766][ T231] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 23.248769][ T231] RSP: 002b:00007fffb4fb2e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 23.248773][ T231] RAX: ffffffffffffffda RBX: 00007fcf59c6f780 RCX: 00007fcf59b73257
[ 23.248776][ T231] RDX: 0000000000000004 RSI: 0000557f3e54c1f0 RDI: 0000000000000001
[ 23.248777][ T231] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 23.248779][ T231] R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000004
[ 23.248780][ T231] R13: 0000557f3e54c1f0 R14: 0000000000000004 R15: 00007fcf59c6a9c0
[ 23.248787][ T231]
[ 23.248788][ T231] ==================================================================
[ 23.264884][ T231] Disabling lock debugging due to kernel taint
[ 23.265148][ T231] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 23.265463][ T231] #PF: supervisor write access in kernel mode
[ 23.265720][ T231] #PF: error_code(0x0002) - not-present page
[ 23.265977][ T231] PGD 0 P4D 0
[ 23.266125][ T231] Oops: Oops: 0002 [#1] SMP KASAN
[ 23.266370][ T231] CPU: 0 UID: 0 PID: 231 Comm: tc-mq-visibilit Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 23.266825][ T231] Tainted: [B]=BAD_PAGE
[ 23.266974][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.267220][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 23.267586][ 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 af 80 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 23.268276][ T231] RSP: 0018:ffffc90000aa7510 EFLAGS: 00010046
[ 23.268543][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9623e90a
[ 23.268843][ T231] RDX: fffffbfff348decd RSI: 0000000000000008 RDI: ffffffff9a46f660
[ 23.269155][ T231] RBP: ffffc90000aa7578 R08: 0000000000000001 R09: fffffbfff348decc
[ 23.269478][ T231] R10: ffffffff9a46f667 R11: ffffc90000aa7000 R12: 0000000000000000
[ 23.269778][ T231] R13: 0000000000000282 R14: ffff88800ab5a000 R15: dffffc0000000000
[ 23.270078][ T231] FS: 00007fcf59a73000(0000) GS:ffff88809bdfc000(0000) knlGS:0000000000000000
[ 23.270426][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.270822][ T231] CR2: 0000000000000000 CR3: 000000000b64c005 CR4: 0000000000772ef0
[ 23.271113][ T231] PKRU: 55555554
[ 23.271260][ T231] Call Trace:
[ 23.271588][ T231]
[ 23.271695][ T231] ? page_pool_release+0x13c/0x170
[ 23.271903][ T231] __cancel_work+0x7c/0x260
[ 23.272099][ T231] ? enable_delayed_work+0x10/0x10
[ 23.272291][ T231] ? page_pool_release+0x13c/0x170
[ 23.272632][ T231] ? page_pool_destroy+0xbf/0x420
[ 23.272828][ T231] __cancel_work_sync+0x18/0xc0
[ 23.273018][ T231] __dev_close_many+0x1cf/0x980
[ 23.273215][ T231] ? netdev_notify_peers+0x20/0x20
[ 23.273591][ T231] ? __mutex_lock+0x19f/0x1190
[ 23.273788][ T231] netif_close_many+0x201/0x650
[ 23.273977][ T231] ? ww_mutex_lock+0x160/0x160
[ 23.274168][ T231] ? __dev_close_many+0x980/0x980
[ 23.274498][ T231] ? validate_chain+0x15e/0x4d0
[ 23.274707][ T231] ? find_held_lock+0x2b/0x80
[ 23.274928][ T231] netif_close_many_and_unlock+0x21/0x2a0
[ 23.275121][ T231] unregister_netdevice_many_notify+0xeed/0x1c90
[ 23.275525][ T231] ? __mutex_handoff+0x2b0/0x2b0
[ 23.275770][ T231] ? rcu_is_watching+0x12/0xb0
[ 23.275966][ T231] ? dev_ingress_queue_create+0x190/0x190
[ 23.276178][ T231] ? __mutex_lock+0x19f/0x1190
[ 23.276518][ T231] ? __rtnl_unlock+0x69/0xf0
[ 23.276716][ T231] ? nsim_destroy+0xf1/0x730 [netdevsim]
[ 23.276931][ T231] ? ww_mutex_lock+0x160/0x160
[ 23.277132][ T231] unregister_netdevice_queue+0x29e/0x410
[ 23.277474][ T231] ? unregister_netdevice_many+0x20/0x20
[ 23.277680][ T231] nsim_destroy+0x16e/0x730 [netdevsim]
[ 23.277888][ T231] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 23.278253][ T231] nsim_dev_reload_destroy+0xdc/0x470 [netdevsim]
[ 23.278521][ T231] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 23.278736][ T231] device_release_driver_internal+0x3bb/0x580
[ 23.278980][ T231] ? klist_put+0xb1/0x170
[ 23.279252][ T231] bus_remove_device+0x1ee/0x3f0
[ 23.279459][ T231] device_del+0x33b/0x8c0
[ 23.279632][ T231] ? __device_link_del+0x3c0/0x3c0
[ 23.279837][ T231] device_unregister+0x17/0xa0
[ 23.280153][ T231] del_device_store+0x2f2/0x4f0 [netdevsim]
[ 23.280418][ T231] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim]
[ 23.280693][ T231] ? sysfs_file_kobj+0xb5/0x1f0
[ 23.280899][ T231] ? sysfs_file_kobj+0xbf/0x1f0
[ 23.281217][ T231] ? sysfs_file_ops+0x120/0x120
[ 23.281419][ T231] kernfs_fop_write_iter+0x2f2/0x490
[ 23.281622][ T231] vfs_write+0xaae/0x12c0
[ 23.281779][ T231] ? kernel_write+0x6b0/0x6b0
[ 23.282106][ T231] ? lock_vma_under_rcu+0x138/0x3d0
[ 23.282320][ T231] ? find_held_lock+0x2b/0x80
[ 23.282566][ T231] ksys_write+0xf7/0x1d0
[ 23.282716][ T231] ? __ia32_sys_read+0xb0/0xb0
[ 23.283029][ T231] ? do_user_addr_fault+0x955/0xe00
[ 23.283227][ T231] do_syscall_64+0xc1/0xfd0
[ 23.283455][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 23.283724][ T231] RIP: 0033:0x7fcf59b73257
[ 23.284093][ T231] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 23.284837][ T231] RSP: 002b:00007fffb4fb2e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 23.285270][ T231] RAX: ffffffffffffffda RBX: 00007fcf59c6f780 RCX: 00007fcf59b73257
[ 23.285587][ T231] RDX: 0000000000000004 RSI: 0000557f3e54c1f0 RDI: 0000000000000001
[ 23.286003][ T231] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 23.286296][ T231] R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000004
[ 23.286610][ T231] R13: 0000557f3e54c1f0 R14: 0000000000000004 R15: 00007fcf59c6a9c0
[ 23.287062][ T231]
[ 23.287218][ T231] Modules linked in: netdevsim
[ 23.287467][ T231] CR2: 0000000000000000
[ 23.287649][ T231] ---[ end trace 0000000000000000 ]---
[ 23.287976][ T231] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 23.288227][ 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 af 80 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 23.289100][ T231] RSP: 0018:ffffc90000aa7510 EFLAGS: 00010046
[ 23.289357][ T231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9623e90a
[ 23.289663][ T231] RDX: fffffbfff348decd RSI: 0000000000000008 RDI: ffffffff9a46f660
[ 23.290083][ T231] RBP: ffffc90000aa7578 R08: 0000000000000001 R09: fffffbfff348decc
[ 23.290389][ T231] R10: ffffffff9a46f667 R11: ffffc90000aa7000 R12: 0000000000000000
[ 23.290695][ T231] R13: 0000000000000282 R14: ffff88800ab5a000 R15: dffffc0000000000
[ 23.290990][ T231] FS: 00007fcf59a73000(0000) GS:ffff88809bdfc000(0000) knlGS:0000000000000000
[ 23.291332][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.291749][ T231] CR2: 0000000000000000 CR3: 000000000b64c005 CR4: 0000000000772ef0
[ 23.292044][ T231] PKRU: 55555554
[ 23.292201][ T231] Kernel panic - not syncing: Fatal exception
[ 23.292700][ T231] Kernel Offset: 0x14c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 23.293173][ T231] ---[ end Kernel panic - not syncing: Fatal exception ]---
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Ctrl-C stderr
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