[ 10.263743][ T223] netdevsim netdevsim5694 eni5694np1: renamed from eth0
[ 12.407723][ T219] ==================================================================
[ 12.408123][ T219] BUG: KASAN: use-after-free in page_pool_item_uninit+0x100/0x130
[ 12.408387][ T219] Read of size 8 at addr ffff88800b276008 by task python3/219
[ 12.408636][ T219]
[ 12.408730][ T219] CPU: 0 UID: 0 PID: 219 Comm: python3 Not tainted 6.13.0-rc5-virtme #1
[ 12.408996][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.409211][ T219] Call Trace:
[ 12.409340][ T219]
[ 12.409427][ T219] dump_stack_lvl+0x82/0xd0
[ 12.409614][ T219] print_address_description.constprop.0+0x2c/0x3b0
[ 12.409831][ T219] ? page_pool_item_uninit+0x100/0x130
[ 12.410003][ T219] print_report+0xb4/0x270
[ 12.410166][ T219] ? kasan_addr_to_slab+0x25/0x80
[ 12.410339][ T219] kasan_report+0xbd/0xf0
[ 12.410478][ T219] ? page_pool_item_uninit+0x100/0x130
[ 12.410656][ T219] page_pool_item_uninit+0x100/0x130
[ 12.410831][ T219] page_pool_release+0x44a/0x5b0
[ 12.411007][ T219] ? __pfx_autoremove_wake_function+0x10/0x10
[ 12.411227][ T219] ? __pfx_page_pool_release+0x10/0x10
[ 12.411400][ T219] ? napi_disable+0x383/0x5b0
[ 12.411584][ T219] page_pool_destroy+0x11e/0x560
[ 12.411752][ T219] nsim_stop+0x21a/0x390 [netdevsim]
[ 12.411939][ T219] __dev_close_many+0x1a0/0x2d0
[ 12.412104][ T219] ? __pfx___dev_close_many+0x10/0x10
[ 12.412270][ T219] ? __pfx_validate_chain+0x10/0x10
[ 12.412453][ T219] ? hlock_class+0x4e/0x130
[ 12.412619][ T219] ? mark_lock+0x38/0x3e0
[ 12.412744][ T219] ? hlock_class+0x4e/0x130
[ 12.412908][ T219] dev_close_many+0x202/0x650
[ 12.413080][ T219] ? __pfx_dev_close_many+0x10/0x10
[ 12.413252][ T219] unregister_netdevice_many_notify+0x8ed/0x1580
[ 12.413463][ T219] ? __mutex_trylock_common+0xfa/0x260
[ 12.413631][ T219] ? __pfx___mutex_trylock_common+0x10/0x10
[ 12.413844][ T219] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 12.414057][ T219] ? lock_acquire+0x32/0xc0
[ 12.414226][ T219] ? __mutex_lock+0x190/0xbc0
[ 12.414398][ T219] ? nsim_destroy+0x6b/0x5e0 [netdevsim]
[ 12.414575][ T219] ? __pfx___mutex_lock+0x10/0x10
[ 12.414739][ T219] unregister_netdevice_queue+0x2a4/0x410
[ 12.414919][ T219] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 12.415102][ T219] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.415315][ T219] nsim_destroy+0xe8/0x5e0 [netdevsim]
[ 12.415491][ T219] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 12.415715][ T219] nsim_dev_reload_destroy+0xe0/0x460 [netdevsim]
[ 12.415939][ T219] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 12.416117][ T219] device_release_driver_internal+0x3bf/0x590
[ 12.416337][ T219] ? klist_put+0xb1/0x170
[ 12.416467][ T219] bus_remove_device+0x1f1/0x3f0
[ 12.416637][ T219] device_del+0x33f/0x8c0
[ 12.416769][ T219] ? __pfx_device_del+0x10/0x10
[ 12.416939][ T219] ? lock_acquire.part.0+0xeb/0x330
[ 12.417110][ T219] ? kernfs_fop_write_iter+0x22e/0x460
[ 12.417290][ T219] device_unregister+0x17/0xb0
[ 12.417462][ T219] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 12.417681][ T219] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 12.417899][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.418073][ T219] ? sysfs_file_ops+0x11e/0x170
[ 12.418245][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.418414][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 12.418582][ T219] vfs_write+0xa81/0x11e0
[ 12.418713][ T219] ? __pfx_vfs_write+0x10/0x10
[ 12.418886][ T219] ? __lock_release+0x103/0x460
[ 12.419053][ T219] ? do_user_addr_fault+0x972/0xe30
[ 12.419228][ T219] ? __pfx___up_read+0x10/0x10
[ 12.419403][ T219] ksys_write+0xf8/0x1d0
[ 12.419531][ T219] ? __pfx_ksys_write+0x10/0x10
[ 12.419700][ T219] ? do_user_addr_fault+0x97c/0xe30
[ 12.419869][ T219] do_syscall_64+0xc1/0x1d0
[ 12.420048][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 12.420269][ T219] RIP: 0033:0x7f16e1800b77
[ 12.420454][ T219] Code: 0b 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
[ 12.421045][ T219] RSP: 002b:00007ffcb9878b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 12.421305][ T219] RAX: ffffffffffffffda RBX: 00007f16e15e6140 RCX: 00007f16e1800b77
[ 12.421562][ T219] RDX: 0000000000000004 RSI: 000055fd279aee60 RDI: 0000000000000007
[ 12.421815][ T219] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 12.422068][ T219] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f16d3568880
[ 12.422321][ T219] R13: 000055fd279aee60 R14: 0000000000000007 R15: 000055fd27665a00
[ 12.422586][ T219]
[ 12.422729][ T219]
[ 12.422816][ T219] The buggy address belongs to the physical page:
[ 12.423022][ T219] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88800b276608 pfn:0xb276
[ 12.423368][ T219] flags: 0x80000000000000(node=0|zone=1)
[ 12.423557][ T219] raw: 0080000000000000 ffffea0000166208 ffff888036042ce0 0000000000000000
[ 12.423861][ T219] raw: ffff88800b276608 0000000000000000 00000000ffffffff 0000000000000000
[ 12.424163][ T219] page dumped because: kasan: bad access detected
[ 12.424370][ T219]
[ 12.424457][ T219] Memory state around the buggy address:
[ 12.424623][ T219] ffff88800b275f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 12.424869][ T219] ffff88800b275f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 12.425133][ T219] >ffff88800b276000: fc fc fa fb fc fc fc fc fc fc fc fc fc fc fc fc
[ 12.425379][ T219] ^
[ 12.425506][ T219] ffff88800b276080: fc fc fc fc fc fc fa fb fc fc fc fc fc fc fc fc
[ 12.425750][ T219] ffff88800b276100: fc fc fc fc fc fc fc fc fc fc fa fb fc fc fc fc
[ 12.425989][ T219] ==================================================================
[ 12.426819][ T219] Disabling lock debugging due to kernel taint
[ 12.427065][ T219] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 12.427477][ T219] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
[ 12.427768][ T219] CPU: 0 UID: 0 PID: 219 Comm: python3 Tainted: G B 6.13.0-rc5-virtme #1
[ 12.428064][ T219] Tainted: [B]=BAD_PAGE
[ 12.428187][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.428389][ T219] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 12.428614][ T219] Code: b4 48 bb 00 00 00 00 00 fc ff df 48 c1 ed 03 48 01 dd 4d 8d 75 1c be 04 00 00 00 4c 89 f7 e8 5d bc 68 fe 4c 89 f0 48 c1 e8 03 <0f> b6 14 18 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 62 41
[ 12.429190][ T219] RSP: 0018:ffffc90000ab74f0 EFLAGS: 00010a06
[ 12.429399][ T219] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffb3037b43
[ 12.429646][ T219] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 12.429897][ T219] RBP: fffffbfff6898878 R08: 0000000000000000 R09: fffffbfff6c59888
[ 12.430145][ T219] R10: ffffffffb62cc447 R11: ffffc90000ab6fc0 R12: ffff88800bcb6620
[ 12.430388][ T219] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 12.430635][ T219] FS: 00007f16e15e61c0(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 12.430919][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.431126][ T219] CR2: 00007f16d34fa000 CR3: 00000000057fa001 CR4: 0000000000772ef0
[ 12.431384][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.431625][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.431877][ T219] PKRU: 55555554
[ 12.432009][ T219] Call Trace:
[ 12.432135][ T219]
[ 12.432223][ T219] ? die_addr+0x41/0xa0
[ 12.432367][ T219] ? exc_general_protection+0x14d/0x230
[ 12.432540][ T219] ? asm_exc_general_protection+0x26/0x30
[ 12.432712][ T219] ? page_pool_item_uninit+0x73/0x130
[ 12.432906][ T219] ? page_pool_item_uninit+0x7a/0x130
[ 12.433073][ T219] page_pool_release+0x44a/0x5b0
[ 12.433245][ T219] ? __pfx_autoremove_wake_function+0x10/0x10
[ 12.433461][ T219] ? __pfx_page_pool_release+0x10/0x10
[ 12.433628][ T219] ? napi_disable+0x383/0x5b0
[ 12.433795][ T219] page_pool_destroy+0x11e/0x560
[ 12.433961][ T219] nsim_stop+0x21a/0x390 [netdevsim]
[ 12.434146][ T219] __dev_close_many+0x1a0/0x2d0
[ 12.434310][ T219] ? __pfx___dev_close_many+0x10/0x10
[ 12.434474][ T219] ? __pfx_validate_chain+0x10/0x10
[ 12.434644][ T219] ? hlock_class+0x4e/0x130
[ 12.434812][ T219] ? mark_lock+0x38/0x3e0
[ 12.434945][ T219] ? hlock_class+0x4e/0x130
[ 12.435106][ T219] dev_close_many+0x202/0x650
[ 12.435268][ T219] ? __pfx_dev_close_many+0x10/0x10
[ 12.435435][ T219] unregister_netdevice_many_notify+0x8ed/0x1580
[ 12.435638][ T219] ? __mutex_trylock_common+0xfa/0x260
[ 12.435810][ T219] ? __pfx___mutex_trylock_common+0x10/0x10
[ 12.436022][ T219] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 12.436223][ T219] ? lock_acquire+0x32/0xc0
[ 12.436386][ T219] ? __mutex_lock+0x190/0xbc0
[ 12.436554][ T219] ? nsim_destroy+0x6b/0x5e0 [netdevsim]
[ 12.436731][ T219] ? __pfx___mutex_lock+0x10/0x10
[ 12.436892][ T219] unregister_netdevice_queue+0x2a4/0x410
[ 12.437056][ T219] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 12.437234][ T219] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.437437][ T219] nsim_destroy+0xe8/0x5e0 [netdevsim]
[ 12.437611][ T219] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 12.437836][ T219] nsim_dev_reload_destroy+0xe0/0x460 [netdevsim]
[ 12.438058][ T219] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 12.438228][ T219] device_release_driver_internal+0x3bf/0x590
[ 12.438455][ T219] ? klist_put+0xb1/0x170
[ 12.438587][ T219] bus_remove_device+0x1f1/0x3f0
[ 12.438766][ T219] device_del+0x33f/0x8c0
[ 12.438894][ T219] ? __pfx_device_del+0x10/0x10
[ 12.439059][ T219] ? lock_acquire.part.0+0xeb/0x330
[ 12.439223][ T219] ? kernfs_fop_write_iter+0x22e/0x460
[ 12.439388][ T219] device_unregister+0x17/0xb0
[ 12.439555][ T219] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 12.439766][ T219] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 12.440082][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.440244][ T219] ? sysfs_file_ops+0x11e/0x170
[ 12.440411][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.440573][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 12.440831][ T219] vfs_write+0xa81/0x11e0
[ 12.440962][ T219] ? __pfx_vfs_write+0x10/0x10
[ 12.441125][ T219] ? __lock_release+0x103/0x460
[ 12.441286][ T219] ? do_user_addr_fault+0x972/0xe30
[ 12.441554][ T219] ? __pfx___up_read+0x10/0x10
[ 12.441721][ T219] ksys_write+0xf8/0x1d0
[ 12.441844][ T219] ? __pfx_ksys_write+0x10/0x10
[ 12.442004][ T219] ? do_user_addr_fault+0x97c/0xe30
[ 12.442261][ T219] do_syscall_64+0xc1/0x1d0
[ 12.442434][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 12.442639][ T219] RIP: 0033:0x7f16e1800b77
[ 12.442809][ T219] Code: 0b 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
[ 12.443501][ T219] RSP: 002b:00007ffcb9878b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 12.443858][ T219] RAX: ffffffffffffffda RBX: 00007f16e15e6140 RCX: 00007f16e1800b77
[ 12.444110][ T219] RDX: 0000000000000004 RSI: 000055fd279aee60 RDI: 0000000000000007
[ 12.444368][ T219] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 12.444723][ T219] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f16d3568880
[ 12.444998][ T219] R13: 000055fd279aee60 R14: 0000000000000007 R15: 000055fd27665a00
[ 12.445362][ T219]
[ 12.445499][ T219] Modules linked in: netdevsim
[ 12.445692][ T219] ---[ end trace 0000000000000000 ]---
[ 12.445873][ T219] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 12.446192][ T219] Code: b4 48 bb 00 00 00 00 00 fc ff df 48 c1 ed 03 48 01 dd 4d 8d 75 1c be 04 00 00 00 4c 89 f7 e8 5d bc 68 fe 4c 89 f0 48 c1 e8 03 <0f> b6 14 18 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 62 41
[ 12.446815][ T219] RSP: 0018:ffffc90000ab74f0 EFLAGS: 00010a06
[ 12.447134][ T219] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffb3037b43
[ 12.447407][ T219] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 12.447674][ T219] RBP: fffffbfff6898878 R08: 0000000000000000 R09: fffffbfff6c59888
[ 12.448035][ T219] R10: ffffffffb62cc447 R11: ffffc90000ab6fc0 R12: ffff88800bcb6620
[ 12.448303][ T219] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 12.448668][ T219] FS: 00007f16e15e61c0(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 12.448983][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.449210][ T219] CR2: 00007f16d34fa000 CR3: 00000000057fa001 CR4: 0000000000772ef0
[ 12.449583][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.449847][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.450108][ T219] PKRU: 55555554
[ 12.450349][ T219] Kernel panic - not syncing: Fatal exception
[ 12.450823][ T219] Kernel Offset: 0x2fa00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 12.451320][ T219] ---[ end Kernel panic - not syncing: Fatal exception ]---
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr