[ 53.624981][ T401] netdevsim netdevsim761 eni761np1: renamed from eth0
[ 61.789992][ T392] ==================================================================
[ 61.790546][ T392] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 61.791020][ T392] Write of size 8 at addr 0000000000000000 by task tc-mq-visibilit/392
[ 61.791465][ T392]
[ 61.791624][ T392] CPU: 1 UID: 0 PID: 392 Comm: tc-mq-visibilit Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 61.791631][ T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.791639][ T392] Call Trace:
[ 61.791642][ T392]
[ 61.791645][ T392] dump_stack_lvl+0x82/0xc0
[ 61.791658][ T392] ? try_to_grab_pending+0x81/0x6c0
[ 61.791664][ T392] kasan_report+0xca/0x100
[ 61.791677][ T392] ? try_to_grab_pending+0x81/0x6c0
[ 61.791686][ T392] kasan_check_range+0x39/0x1b0
[ 61.791692][ T392] try_to_grab_pending+0x81/0x6c0
[ 61.791697][ T392] ? page_pool_release+0x13c/0x170
[ 61.791706][ T392] __cancel_work+0x7c/0x260
[ 61.791711][ T392] ? enable_delayed_work+0x10/0x10
[ 61.791716][ T392] ? page_pool_release+0x13c/0x170
[ 61.791721][ T392] ? page_pool_destroy+0xbf/0x420
[ 61.791729][ T392] __cancel_work_sync+0x18/0xc0
[ 61.791734][ T392] __dev_close_many+0x1cf/0x980
[ 61.791743][ T392] ? netdev_notify_peers+0x20/0x20
[ 61.791750][ T392] ? __mutex_lock+0x19f/0x1190
[ 61.791764][ T392] netif_close_many+0x201/0x650
[ 61.791770][ T392] ? ww_mutex_lock+0x160/0x160
[ 61.791776][ T392] ? __dev_close_many+0x980/0x980
[ 61.791780][ T392] ? validate_chain+0x15e/0x4d0
[ 61.791787][ T392] ? find_held_lock+0x2b/0x80
[ 61.791795][ T392] netif_close_many_and_unlock+0x21/0x2a0
[ 61.791803][ T392] unregister_netdevice_many_notify+0xeed/0x1c90
[ 61.791809][ T392] ? __mutex_handoff+0x2b0/0x2b0
[ 61.791816][ T392] ? rcu_is_watching+0x12/0xb0
[ 61.791824][ T392] ? dev_ingress_queue_create+0x190/0x190
[ 61.791828][ T392] ? __mutex_lock+0x19f/0x1190
[ 61.791833][ T392] ? __rtnl_unlock+0x69/0xf0
[ 61.791841][ T392] ? nsim_destroy+0xf1/0x730 [netdevsim]
[ 61.791860][ T392] ? ww_mutex_lock+0x160/0x160
[ 61.791867][ T392] unregister_netdevice_queue+0x29e/0x410
[ 61.791873][ T392] ? unregister_netdevice_many+0x20/0x20
[ 61.791882][ T392] nsim_destroy+0x16e/0x730 [netdevsim]
[ 61.791900][ T392] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 61.791916][ T392] nsim_dev_reload_destroy+0xdc/0x470 [netdevsim]
[ 61.791933][ T392] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 61.791949][ T392] device_release_driver_internal+0x3bb/0x580
[ 61.791956][ T392] ? klist_put+0xb1/0x170
[ 61.791963][ T392] bus_remove_device+0x1ee/0x3f0
[ 61.791970][ T392] device_del+0x33b/0x8c0
[ 61.791976][ T392] ? __device_link_del+0x3c0/0x3c0
[ 61.791985][ T392] device_unregister+0x17/0xa0
[ 61.791989][ T392] del_device_store+0x2f2/0x4f0 [netdevsim]
[ 61.792007][ T392] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim]
[ 61.792022][ T392] ? sysfs_file_kobj+0xb5/0x1f0
[ 61.792033][ T392] ? sysfs_file_kobj+0xbf/0x1f0
[ 61.792039][ T392] ? sysfs_file_ops+0x120/0x120
[ 61.792042][ T392] kernfs_fop_write_iter+0x2f2/0x490
[ 61.792049][ T392] vfs_write+0xaae/0x12c0
[ 61.792060][ T392] ? kernel_write+0x6b0/0x6b0
[ 61.792066][ T392] ? lock_vma_under_rcu+0x138/0x3d0
[ 61.792080][ T392] ? find_held_lock+0x2b/0x80
[ 61.792088][ T392] ksys_write+0xf7/0x1d0
[ 61.792093][ T392] ? __ia32_sys_read+0xb0/0xb0
[ 61.792098][ T392] ? do_user_addr_fault+0x955/0xe00
[ 61.792112][ T392] do_syscall_64+0xc1/0xfd0
[ 61.792120][ T392] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 61.792126][ T392] RIP: 0033:0x7f2bdec66257
[ 61.792134][ T392] 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
[ 61.792138][ T392] RSP: 002b:00007ffc5df10a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 61.792144][ T392] RAX: ffffffffffffffda RBX: 00007f2bded62780 RCX: 00007f2bdec66257
[ 61.792147][ T392] RDX: 0000000000000004 RSI: 0000561ab278e1f0 RDI: 0000000000000001
[ 61.792150][ T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 61.792152][ T392] R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000004
[ 61.792155][ T392] R13: 0000561ab278e1f0 R14: 0000000000000004 R15: 00007f2bded5d9c0
[ 61.792166][ T392]
[ 61.792168][ T392] ==================================================================
[ 61.814497][ T392] Disabling lock debugging due to kernel taint
[ 61.814908][ T392] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 61.815342][ T392] #PF: supervisor write access in kernel mode
[ 61.815697][ T392] #PF: error_code(0x0002) - not-present page
[ 61.816068][ T392] PGD 0 P4D 0
[ 61.816298][ T392] Oops: Oops: 0002 [#1] SMP KASAN
[ 61.816593][ T392] CPU: 1 UID: 0 PID: 392 Comm: tc-mq-visibilit Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 61.817239][ T392] Tainted: [B]=BAD_PAGE
[ 61.817461][ T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.817815][ T392] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 61.818210][ T392] 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
[ 61.819222][ T392] RSP: 0018:ffffc900005a7510 EFLAGS: 00010046
[ 61.819586][ T392] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9543e90a
[ 61.820011][ T392] RDX: fffffbfff32cdecd RSI: 0000000000000008 RDI: ffffffff9966f660
[ 61.820429][ T392] RBP: ffffc900005a7578 R08: 0000000000000001 R09: fffffbfff32cdecc
[ 61.820881][ T392] R10: ffffffff9966f667 R11: ffffc900005a7000 R12: 0000000000000000
[ 61.821316][ T392] R13: 0000000000000282 R14: ffff88800bc9a000 R15: dffffc0000000000
[ 61.821749][ T392] FS: 00007f2bdeb66000(0000) GS:ffff88809cc7c000(0000) knlGS:0000000000000000
[ 61.822253][ T392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.822611][ T392] CR2: 0000000000000000 CR3: 00000000026d5003 CR4: 0000000000772ef0
[ 61.823039][ T392] PKRU: 55555554
[ 61.823259][ T392] Call Trace:
[ 61.823481][ T392]
[ 61.823629][ T392] ? page_pool_release+0x13c/0x170
[ 61.823942][ T392] __cancel_work+0x7c/0x260
[ 61.824230][ T392] ? enable_delayed_work+0x10/0x10
[ 61.824519][ T392] ? page_pool_release+0x13c/0x170
[ 61.824800][ T392] ? page_pool_destroy+0xbf/0x420
[ 61.825085][ T392] __cancel_work_sync+0x18/0xc0
[ 61.825371][ T392] __dev_close_many+0x1cf/0x980
[ 61.825658][ T392] ? netdev_notify_peers+0x20/0x20
[ 61.825953][ T392] ? __mutex_lock+0x19f/0x1190
[ 61.826237][ T392] netif_close_many+0x201/0x650
[ 61.826526][ T392] ? ww_mutex_lock+0x160/0x160
[ 61.826808][ T392] ? __dev_close_many+0x980/0x980
[ 61.827112][ T392] ? validate_chain+0x15e/0x4d0
[ 61.827393][ T392] ? find_held_lock+0x2b/0x80
[ 61.827677][ T392] netif_close_many_and_unlock+0x21/0x2a0
[ 61.827957][ T392] unregister_netdevice_many_notify+0xeed/0x1c90
[ 61.828311][ T392] ? __mutex_handoff+0x2b0/0x2b0
[ 61.828591][ T392] ? rcu_is_watching+0x12/0xb0
[ 61.828876][ T392] ? dev_ingress_queue_create+0x190/0x190
[ 61.829153][ T392] ? __mutex_lock+0x19f/0x1190
[ 61.829434][ T392] ? __rtnl_unlock+0x69/0xf0
[ 61.829719][ T392] ? nsim_destroy+0xf1/0x730 [netdevsim]
[ 61.830015][ T392] ? ww_mutex_lock+0x160/0x160
[ 61.830294][ T392] unregister_netdevice_queue+0x29e/0x410
[ 61.830577][ T392] ? unregister_netdevice_many+0x20/0x20
[ 61.830857][ T392] nsim_destroy+0x16e/0x730 [netdevsim]
[ 61.831148][ T392] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 61.831506][ T392] nsim_dev_reload_destroy+0xdc/0x470 [netdevsim]
[ 61.831871][ T392] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 61.832162][ T392] device_release_driver_internal+0x3bb/0x580
[ 61.832520][ T392] ? klist_put+0xb1/0x170
[ 61.832734][ T392] bus_remove_device+0x1ee/0x3f0
[ 61.833019][ T392] device_del+0x33b/0x8c0
[ 61.833231][ T392] ? __device_link_del+0x3c0/0x3c0
[ 61.833514][ T392] device_unregister+0x17/0xa0
[ 61.833799][ T392] del_device_store+0x2f2/0x4f0 [netdevsim]
[ 61.834160][ T392] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim]
[ 61.834526][ T392] ? sysfs_file_kobj+0xb5/0x1f0
[ 61.834809][ T392] ? sysfs_file_kobj+0xbf/0x1f0
[ 61.835095][ T392] ? sysfs_file_ops+0x120/0x120
[ 61.835372][ T392] kernfs_fop_write_iter+0x2f2/0x490
[ 61.835655][ T392] vfs_write+0xaae/0x12c0
[ 61.835870][ T392] ? kernel_write+0x6b0/0x6b0
[ 61.836177][ T392] ? lock_vma_under_rcu+0x138/0x3d0
[ 61.836477][ T392] ? find_held_lock+0x2b/0x80
[ 61.836762][ T392] ksys_write+0xf7/0x1d0
[ 61.836975][ T392] ? __ia32_sys_read+0xb0/0xb0
[ 61.837255][ T392] ? do_user_addr_fault+0x955/0xe00
[ 61.837539][ T392] do_syscall_64+0xc1/0xfd0
[ 61.837822][ T392] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 61.838178][ T392] RIP: 0033:0x7f2bdec66257
[ 61.838474][ T392] 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
[ 61.839486][ T392] RSP: 002b:00007ffc5df10a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 61.839915][ T392] RAX: ffffffffffffffda RBX: 00007f2bded62780 RCX: 00007f2bdec66257
[ 61.840346][ T392] RDX: 0000000000000004 RSI: 0000561ab278e1f0 RDI: 0000000000000001
[ 61.840772][ T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 61.841197][ T392] R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000004
[ 61.841623][ T392] R13: 0000561ab278e1f0 R14: 0000000000000004 R15: 00007f2bded5d9c0
[ 61.842055][ T392]
[ 61.842289][ T392] Modules linked in: netdevsim [last unloaded: netdevsim]
[ 61.842861][ T392] CR2: 0000000000000000
[ 61.843081][ T392] ---[ end trace 0000000000000000 ]---
[ 61.843364][ T392] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 61.843718][ T392] 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
[ 61.844930][ T392] RSP: 0018:ffffc900005a7510 EFLAGS: 00010046
[ 61.845483][ T392] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9543e90a
[ 61.845905][ T392] RDX: fffffbfff32cdecd RSI: 0000000000000008 RDI: ffffffff9966f660
[ 61.846322][ T392] RBP: ffffc900005a7578 R08: 0000000000000001 R09: fffffbfff32cdecc
[ 61.846951][ T392] R10: ffffffff9966f667 R11: ffffc900005a7000 R12: 0000000000000000
[ 61.847368][ T392] R13: 0000000000000282 R14: ffff88800bc9a000 R15: dffffc0000000000
[ 61.847985][ T392] FS: 00007f2bdeb66000(0000) GS:ffff88809cc7c000(0000) knlGS:0000000000000000
[ 61.848501][ T392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.848871][ T392] CR2: 0000000000000000 CR3: 00000000026d5003 CR4: 0000000000772ef0
[ 61.849503][ T392] PKRU: 55555554
[ 61.849715][ T392] Kernel panic - not syncing: Fatal exception
[ 61.850184][ T392] Kernel Offset: 0x13e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 61.851057][ T392] ---[ end Kernel panic - not syncing: Fatal exception ]---
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