[ 10.919269][ T255] netdevsim netdevsim6636 eni6636np1: renamed from eth0 [ 12.109380][ T266] ip (266) used greatest stack depth: 24192 bytes left [ 14.080128][ T255] netdevsim netdevsim16161 eni16161np1: renamed from eth0 [ 15.326018][ T288] ip (288) used greatest stack depth: 24008 bytes left [ 15.373051][ T251] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 15.373529][ T251] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 15.373755][ T251] CPU: 2 UID: 0 PID: 251 Comm: python3 Not tainted 6.14.0-rc2-virtme #1 [ 15.373984][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.374187][ T251] RIP: 0010:hrtimer_active+0xd8/0x2a0 [ 15.374349][ T251] Code: 00 00 49 8b 44 24 30 48 39 c3 0f 84 93 00 00 00 41 80 3f 00 0f 85 68 01 00 00 49 8b 5c 24 30 48 8d 6b 10 48 89 e8 48 c1 e8 03 <42> 0f b6 3c 28 48 89 e8 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff [ 15.374880][ T251] RSP: 0018:ffffc90000b67598 EFLAGS: 00010202 [ 15.375075][ T251] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffff88800dd2f240 [ 15.375304][ T251] RDX: ffffed1001ba5e49 RSI: ffff88800dd2f248 RDI: ffff88800dd2f210 [ 15.375530][ T251] RBP: 0000000000000010 R08: 0000000000000001 R09: fffffbfff6926fe1 [ 15.375759][ T251] R10: ffffffffb4937f0f R11: ffff88806d13dbc0 R12: ffff88800dd2f210 [ 15.375981][ T251] R13: dffffc0000000000 R14: ffff88800dd2f000 R15: ffffed1001ba5e48 [ 15.376234][ T251] FS: 00007fd0223141c0(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 15.376502][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.376697][ T251] CR2: 00007fd014267000 CR3: 0000000002b9e004 CR4: 0000000000772ef0 [ 15.376940][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 15.377170][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 15.377394][ T251] PKRU: 55555554 [ 15.377507][ T251] Call Trace: [ 15.377620][ T251] [ 15.377700][ T251] ? die_addr+0x41/0xa0 [ 15.377821][ T251] ? exc_general_protection+0x14d/0x230 [ 15.377976][ T251] ? asm_exc_general_protection+0x26/0x30 [ 15.378128][ T251] ? hrtimer_active+0xd8/0x2a0 [ 15.378281][ T251] hrtimer_cancel+0x15/0x40 [ 15.378433][ T251] nsim_stop+0x15c/0x470 [netdevsim] [ 15.378596][ T251] __dev_close_many+0x1a0/0x320 [ 15.378745][ T251] ? __pfx___dev_close_many+0x10/0x10 [ 15.378895][ T251] ? __pfx_validate_chain+0x10/0x10 [ 15.379047][ T251] ? hlock_class+0x4e/0x130 [ 15.379196][ T251] ? mark_lock+0x38/0x3e0 [ 15.379310][ T251] ? hlock_class+0x4e/0x130 [ 15.379461][ T251] dev_close_many+0x202/0x650 [ 15.379614][ T251] ? __pfx_dev_close_many+0x10/0x10 [ 15.379783][ T251] unregister_netdevice_many_notify+0x91b/0x17a0 [ 15.379977][ T251] ? __pfx___mutex_trylock_common+0x10/0x10 [ 15.380166][ T251] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 15.380356][ T251] ? lock_acquire+0x32/0xc0 [ 15.380513][ T251] ? __mutex_lock+0x190/0xc40 [ 15.380669][ T251] ? nsim_destroy+0x9d/0x630 [netdevsim] [ 15.380830][ T251] ? __pfx___mutex_lock+0x10/0x10 [ 15.380996][ T251] unregister_netdevice_queue+0x2a4/0x410 [ 15.381177][ T251] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 15.381331][ T251] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 15.381525][ T251] nsim_destroy+0x11b/0x630 [netdevsim] [ 15.381686][ T251] ? __pfx_mntput_no_expire+0x10/0x10 [ 15.381845][ T251] __nsim_dev_port_del+0x17e/0x250 [netdevsim] [ 15.382041][ T251] nsim_dev_reload_destroy+0xe0/0x470 [netdevsim] [ 15.382244][ T251] nsim_drv_remove+0x51/0x1d0 [netdevsim] [ 15.382407][ T251] device_release_driver_internal+0x3bf/0x590 [ 15.382606][ T251] ? klist_put+0xb1/0x170 [ 15.382721][ T251] bus_remove_device+0x1f1/0x3f0 [ 15.382872][ T251] device_del+0x33f/0x8c0 [ 15.382986][ T251] ? __pfx_device_del+0x10/0x10 [ 15.383137][ T251] ? lock_acquire.part.0+0xeb/0x330 [ 15.383287][ T251] ? kernfs_fop_write_iter+0x22e/0x460 [ 15.383441][ T251] device_unregister+0x17/0xb0 [ 15.383591][ T251] del_device_store+0x2f3/0x4f0 [netdevsim] [ 15.383785][ T251] ? __pfx_del_device_store+0x10/0x10 [netdevsim] [ 15.383979][ T251] ? __pfx_sysfs_kf_write+0x10/0x10 [ 15.384130][ T251] ? sysfs_file_ops+0x11e/0x170 [ 15.384283][ T251] ? __pfx_sysfs_kf_write+0x10/0x10 [ 15.384433][ T251] kernfs_fop_write_iter+0x2ba/0x460 [ 15.384584][ T251] vfs_write+0xa87/0x11e0 [ 15.384700][ T251] ? __pfx_vfs_write+0x10/0x10 [ 15.384848][ T251] ? find_held_lock+0x2c/0x110 [ 15.385001][ T251] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 15.385189][ T251] ksys_write+0xf8/0x1d0 [ 15.385309][ T251] ? __pfx_ksys_write+0x10/0x10 [ 15.385458][ T251] ? kernfs_fop_llseek+0x127/0x1b0 [ 15.385611][ T251] do_syscall_64+0xc1/0x1d0 [ 15.385760][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 15.385951][ T251] RIP: 0033:0x7fd02252eb77 [ 15.386111][ T251] 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 [ 15.386634][ T251] RSP: 002b:00007ffc509a3398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 15.386863][ T251] RAX: ffffffffffffffda RBX: 00007fd022314140 RCX: 00007fd02252eb77 [ 15.387087][ T251] RDX: 0000000000000005 RSI: 000056180d478d60 RDI: 0000000000000006 [ 15.387308][ T251] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 15.387531][ T251] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd01426a100 [ 15.387756][ T251] R13: 000056180d478d60 R14: 0000000000000006 R15: 000056180d25f900 [ 15.387983][ T251] [ 15.388096][ T251] Modules linked in: netdevsim psample [ 15.388361][ T251] ---[ end trace 0000000000000000 ]--- [ 15.388584][ T251] RIP: 0010:hrtimer_active+0xd8/0x2a0 [ 15.388829][ T251] Code: 00 00 49 8b 44 24 30 48 39 c3 0f 84 93 00 00 00 41 80 3f 00 0f 85 68 01 00 00 49 8b 5c 24 30 48 8d 6b 10 48 89 e8 48 c1 e8 03 <42> 0f b6 3c 28 48 89 e8 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff [ 15.389427][ T251] RSP: 0018:ffffc90000b67598 EFLAGS: 00010202 [ 15.389654][ T251] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffff88800dd2f240 [ 15.389909][ T251] RDX: ffffed1001ba5e49 RSI: ffff88800dd2f248 RDI: ffff88800dd2f210 [ 15.390150][ T251] RBP: 0000000000000010 R08: 0000000000000001 R09: fffffbfff6926fe1 [ 15.390383][ T251] R10: ffffffffb4937f0f R11: ffff88806d13dbc0 R12: ffff88800dd2f210 [ 15.390616][ T251] R13: dffffc0000000000 R14: ffff88800dd2f000 R15: ffffed1001ba5e48 [ 15.390857][ T251] FS: 00007fd0223141c0(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 15.391153][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.391360][ T251] CR2: 00007fd014267000 CR3: 0000000002b9e004 CR4: 0000000000772ef0 [ 15.391600][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 15.391845][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 15.392086][ T251] PKRU: 55555554 [ 15.392226][ T251] Kernel panic - not syncing: Fatal exception [ 15.392667][ T251] Kernel Offset: 0x2d600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 15.393014][ T251] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr