[ 9.255366][ T238] netdevsim netdevsim584 eni584np1: renamed from eth1 [ 9.283723][ T241] netdevsim netdevsim321 eni321np1: renamed from eth0 [ 10.989587][ T229] Could not find device with ifindex 2000 in netnsfd 11 [ 10.990806][ T229] Could not find netns with fd: 2000 [ 10.991504][ T229] Cannot link a netdevsim to itself [ 10.992318][ T229] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint). [ 12.039599][ T229] ================================================================== [ 12.039951][ T229] BUG: KASAN: use-after-free in page_pool_item_uninit+0x100/0x130 [ 12.040198][ T229] Read of size 8 at addr ffff88800b810008 by task peer.sh/229 [ 12.040437][ T229] [ 12.040522][ T229] CPU: 1 UID: 0 PID: 229 Comm: peer.sh Not tainted 6.13.0-rc5-virtme #1 [ 12.040785][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.040984][ T229] Call Trace: [ 12.041107][ T229] <TASK> [ 12.041193][ T229] dump_stack_lvl+0x82/0xd0 [ 12.041358][ T229] print_address_description.constprop.0+0x2c/0x3b0 [ 12.041563][ T229] ? page_pool_item_uninit+0x100/0x130 [ 12.041727][ T229] print_report+0xb4/0x270 [ 12.041886][ T229] ? kasan_addr_to_slab+0x25/0x80 [ 12.042049][ T229] kasan_report+0xbd/0xf0 [ 12.042172][ T229] ? page_pool_item_uninit+0x100/0x130 [ 12.042334][ T229] page_pool_item_uninit+0x100/0x130 [ 12.042497][ T229] page_pool_release+0x44a/0x5b0 [ 12.042657][ T229] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 12.042861][ T229] ? __pfx_page_pool_release+0x10/0x10 [ 12.043023][ T229] ? napi_disable+0x383/0x5b0 [ 12.043189][ T229] page_pool_destroy+0x11e/0x560 [ 12.043352][ T229] nsim_stop+0x21a/0x390 [netdevsim] [ 12.043527][ T229] __dev_close_many+0x1a0/0x2d0 [ 12.043686][ T229] ? __pfx___dev_close_many+0x10/0x10 [ 12.043848][ T229] ? __pfx_validate_chain+0x10/0x10 [ 12.044010][ T229] ? hlock_class+0x4e/0x130 [ 12.044171][ T229] ? mark_lock+0x38/0x3e0 [ 12.044293][ T229] ? hlock_class+0x4e/0x130 [ 12.044456][ T229] dev_close_many+0x202/0x650 [ 12.044624][ T229] ? __pfx_dev_close_many+0x10/0x10 [ 12.044787][ T229] unregister_netdevice_many_notify+0x8ed/0x1580 [ 12.044990][ T229] ? __mutex_trylock_common+0xfa/0x260 [ 12.045156][ T229] ? __pfx___mutex_trylock_common+0x10/0x10 [ 12.045356][ T229] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 12.045556][ T229] ? lock_acquire+0x32/0xc0 [ 12.045716][ T229] ? __mutex_lock+0x190/0xbc0 [ 12.045878][ T229] ? nsim_destroy+0x6b/0x620 [netdevsim] [ 12.046051][ T229] ? __pfx___mutex_lock+0x10/0x10 [ 12.046212][ T229] unregister_netdevice_queue+0x2a4/0x410 [ 12.046375][ T229] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 12.046539][ T229] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 12.046744][ T229] nsim_destroy+0xe8/0x620 [netdevsim] [ 12.046919][ T229] __nsim_dev_port_del+0x17e/0x250 [netdevsim] [ 12.047129][ T229] nsim_dev_reload_destroy+0xe0/0x470 [netdevsim] [ 12.047341][ T229] nsim_drv_remove+0x51/0x1d0 [netdevsim] [ 12.047511][ T229] device_release_driver_internal+0x3bf/0x590 [ 12.047712][ T229] ? klist_put+0xb1/0x170 [ 12.047839][ T229] bus_remove_device+0x1f1/0x3f0 [ 12.048002][ T229] device_del+0x33f/0x8c0 [ 12.048124][ T229] ? __pfx_device_del+0x10/0x10 [ 12.048286][ T229] ? lock_acquire.part.0+0xeb/0x330 [ 12.048447][ T229] ? kernfs_fop_write_iter+0x22e/0x460 [ 12.048613][ T229] device_unregister+0x17/0xb0 [ 12.048774][ T229] del_device_store+0x2f3/0x4f0 [netdevsim] [ 12.048983][ T229] ? __pfx_del_device_store+0x10/0x10 [netdevsim] [ 12.049193][ T229] ? __pfx_sysfs_kf_write+0x10/0x10 [ 12.049355][ T229] ? sysfs_file_ops+0x11e/0x170 [ 12.049516][ T229] ? __pfx_sysfs_kf_write+0x10/0x10 [ 12.049677][ T229] kernfs_fop_write_iter+0x2ba/0x460 [ 12.049838][ T229] vfs_write+0xa81/0x11e0 [ 12.049962][ T229] ? __pfx_vfs_write+0x10/0x10 [ 12.050121][ T229] ? find_held_lock+0x2c/0x110 [ 12.050283][ T229] ? __pfx___lock_release+0x10/0x10 [ 12.050443][ T229] ksys_write+0xf8/0x1d0 [ 12.050572][ T229] ? __pfx_ksys_write+0x10/0x10 [ 12.050735][ T229] do_syscall_64+0xc1/0x1d0 [ 12.050895][ T229] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 12.051094][ T229] RIP: 0033:0x7f19c09beb77 [ 12.051263][ T229] 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 [ 12.051832][ T229] RSP: 002b:00007ffe1a64aed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.052072][ T229] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f19c09beb77 [ 12.052312][ T229] RDX: 0000000000000004 RSI: 000055fe168f87a0 RDI: 0000000000000001 [ 12.052556][ T229] RBP: 000055fe168f87a0 R08: 0000000000000000 R09: 00007f19c0a314e0 [ 12.052796][ T229] R10: 00007f19c0a313e0 R11: 0000000000000246 R12: 0000000000000004 [ 12.053041][ T229] R13: 00007f19c0a7a760 R14: 0000000000000004 R15: 00007f19c0a759c0 [ 12.053285][ T229] </TASK> [ 12.053405][ T229] [ 12.053485][ T229] The buggy address belongs to the physical page: [ 12.053686][ T229] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb810 [ 12.053970][ T229] flags: 0x80000000000000(node=0|zone=1) [ 12.054132][ T229] page_type: f5(slab) [ 12.054259][ T229] raw: 0080000000000000 ffff8880010427c0 ffffea00000a1150 ffffea0000250510 [ 12.054545][ T229] raw: 0000000000000000 0000000000190019 00000001f5000000 0000000000000000 [ 12.054828][ T229] page dumped because: kasan: bad access detected [ 12.055026][ T229] [ 12.055109][ T229] Memory state around the buggy address: [ 12.055267][ T229] ffff88800b80ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.055500][ T229] ffff88800b80ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.055735][ T229] >ffff88800b810000: fc fc fa fb fc fc fc fc fc fc fc fc fc fc fc fc [ 12.055973][ T229] ^ [ 12.056094][ T229] ffff88800b810080: fc fc fc fc fc fc fa fb fc fc fc fc fc fc fc fc [ 12.056329][ T229] ffff88800b810100: fc fc fc fc fc fc fc fc fc fc fa fb fc fc fc fc [ 12.056562][ T229] ================================================================== [ 12.056886][ T229] Disabling lock debugging due to kernel taint [ 12.057095][ T229] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 12.057480][ T229] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7] [ 12.057747][ T229] CPU: 1 UID: 0 PID: 229 Comm: peer.sh Tainted: G B 6.13.0-rc5-virtme #1 [ 12.058023][ T229] Tainted: [B]=BAD_PAGE [ 12.058141][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.058335][ T229] RIP: 0010:page_pool_item_uninit+0x7a/0x130 [ 12.058534][ T229] Code: a5 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 dd 9c 69 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 [ 12.059080][ T229] RSP: 0018:ffffc90000ab74f0 EFLAGS: 00010a06 [ 12.059277][ T229] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffa4829ac3 [ 12.059510][ T229] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0 [ 12.059741][ T229] RBP: fffffbfff4b98a78 R08: 0000000000000000 R09: fffffbfff4f5a088 [ 12.059975][ T229] R10: ffffffffa7ad0447 R11: 205d393232542020 R12: ffff888004ede620 [ 12.060210][ T229] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000 [ 12.060441][ T229] FS: 00007f19c087d740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 12.060716][ T229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.060912][ T229] CR2: 000055fe168f87a0 CR3: 0000000009fea002 CR4: 0000000000772ef0 [ 12.061149][ T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.061383][ T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.061614][ T229] PKRU: 55555554 [ 12.061731][ T229] Call Trace: [ 12.061848][ T229] <TASK> [ 12.061930][ T229] ? die_addr+0x41/0xa0 [ 12.062057][ T229] ? exc_general_protection+0x14d/0x230 [ 12.062218][ T229] ? asm_exc_general_protection+0x26/0x30 [ 12.062376][ T229] ? page_pool_item_uninit+0x73/0x130 [ 12.062533][ T229] ? page_pool_item_uninit+0x7a/0x130 [ 12.062689][ T229] page_pool_release+0x44a/0x5b0 [ 12.062845][ T229] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 12.063038][ T229] ? __pfx_page_pool_release+0x10/0x10 [ 12.063203][ T229] ? napi_disable+0x383/0x5b0 [ 12.063368][ T229] page_pool_destroy+0x11e/0x560 [ 12.063528][ T229] nsim_stop+0x21a/0x390 [netdevsim] [ 12.063697][ T229] __dev_close_many+0x1a0/0x2d0 [ 12.063853][ T229] ? __pfx___dev_close_many+0x10/0x10 [ 12.064008][ T229] ? __pfx_validate_chain+0x10/0x10 [ 12.064166][ T229] ? hlock_class+0x4e/0x130 [ 12.064326][ T229] ? mark_lock+0x38/0x3e0 [ 12.064444][ T229] ? hlock_class+0x4e/0x130 [ 12.064599][ T229] dev_close_many+0x202/0x650 [ 12.064755][ T229] ? __pfx_dev_close_many+0x10/0x10 [ 12.064912][ T229] unregister_netdevice_many_notify+0x8ed/0x1580 [ 12.065108][ T229] ? __mutex_trylock_common+0xfa/0x260 [ 12.065267][ T229] ? __pfx___mutex_trylock_common+0x10/0x10 [ 12.065461][ T229] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 12.065654][ T229] ? lock_acquire+0x32/0xc0 [ 12.065810][ T229] ? __mutex_lock+0x190/0xbc0 [ 12.065966][ T229] ? nsim_destroy+0x6b/0x620 [netdevsim] [ 12.066130][ T229] ? __pfx___mutex_lock+0x10/0x10 [ 12.066286][ T229] unregister_netdevice_queue+0x2a4/0x410 [ 12.066442][ T229] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 12.066599][ T229] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 12.066808][ T229] nsim_destroy+0xe8/0x620 [netdevsim] [ 12.066981][ T229] __nsim_dev_port_del+0x17e/0x250 [netdevsim] [ 12.067186][ T229] nsim_dev_reload_destroy+0xe0/0x470 [netdevsim] [ 12.067388][ T229] nsim_drv_remove+0x51/0x1d0 [netdevsim] [ 12.067560][ T229] device_release_driver_internal+0x3bf/0x590 [ 12.067758][ T229] ? klist_put+0xb1/0x170 [ 12.067877][ T229] bus_remove_device+0x1f1/0x3f0 [ 12.068035][ T229] device_del+0x33f/0x8c0 [ 12.068155][ T229] ? __pfx_device_del+0x10/0x10 [ 12.068315][ T229] ? lock_acquire.part.0+0xeb/0x330 [ 12.068469][ T229] ? kernfs_fop_write_iter+0x22e/0x460 [ 12.068627][ T229] device_unregister+0x17/0xb0 [ 12.068786][ T229] del_device_store+0x2f3/0x4f0 [netdevsim] [ 12.068991][ T229] ? __pfx_del_device_store+0x10/0x10 [netdevsim] [ 12.069195][ T229] ? __pfx_sysfs_kf_write+0x10/0x10 [ 12.069350][ T229] ? sysfs_file_ops+0x11e/0x170 [ 12.069507][ T229] ? __pfx_sysfs_kf_write+0x10/0x10 [ 12.069664][ T229] kernfs_fop_write_iter+0x2ba/0x460 [ 12.069819][ T229] vfs_write+0xa81/0x11e0 [ 12.069942][ T229] ? __pfx_vfs_write+0x10/0x10 [ 12.070098][ T229] ? find_held_lock+0x2c/0x110 [ 12.070257][ T229] ? __pfx___lock_release+0x10/0x10 [ 12.070413][ T229] ksys_write+0xf8/0x1d0 [ 12.070531][ T229] ? __pfx_ksys_write+0x10/0x10 [ 12.070693][ T229] do_syscall_64+0xc1/0x1d0 [ 12.070849][ T229] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 12.071042][ T229] RIP: 0033:0x7f19c09beb77 [ 12.071207][ T229] 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 [ 12.071752][ T229] RSP: 002b:00007ffe1a64aed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.071989][ T229] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f19c09beb77 [ 12.072228][ T229] RDX: 0000000000000004 RSI: 000055fe168f87a0 RDI: 0000000000000001 [ 12.072459][ T229] RBP: 000055fe168f87a0 R08: 0000000000000000 R09: 00007f19c0a314e0 [ 12.072693][ T229] R10: 00007f19c0a313e0 R11: 0000000000000246 R12: 0000000000000004 [ 12.072924][ T229] R13: 00007f19c0a7a760 R14: 0000000000000004 R15: 00007f19c0a759c0 [ 12.073161][ T229] </TASK> [ 12.073281][ T229] Modules linked in: netdevsim [ 12.073515][ T229] ---[ end trace 0000000000000000 ]--- [ 12.073677][ T229] RIP: 0010:page_pool_item_uninit+0x7a/0x130 [ 12.073873][ T229] Code: a5 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 dd 9c 69 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 [ 12.074494][ T229] RSP: 0018:ffffc90000ab74f0 EFLAGS: 00010a06 [ 12.074691][ T229] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffa4829ac3 [ 12.074922][ T229] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0 [ 12.075154][ T229] RBP: fffffbfff4b98a78 R08: 0000000000000000 R09: fffffbfff4f5a088 [ 12.075458][ T229] R10: ffffffffa7ad0447 R11: 205d393232542020 R12: ffff888004ede620 [ 12.075687][ T229] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000 [ 12.075920][ T229] FS: 00007f19c087d740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 12.076327][ T229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.076524][ T229] CR2: 000055fe168f87a0 CR3: 0000000009fea002 CR4: 0000000000772ef0 [ 12.076761][ T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.076997][ T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.077323][ T229] PKRU: 55555554 [ 12.077442][ T229] Kernel panic - not syncing: Fatal exception [ 12.077728][ T229] Kernel Offset: 0x21200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 12.078117][ T229] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr