[ 19.514986][ T267] ip (267) used greatest stack depth: 24224 bytes left [ 103.621024][ T1068] u32 classifier [ 103.621367][ T1068] input device check on [ 103.621634][ T1068] Actions configured [ 105.857217][ T1087] gre: GRE over IPv4 demultiplexer driver [ 105.879351][ T1087] ip_gre: GRE over IPv4 tunneling driver [ 107.945754][ T1117] ================================================================== [ 107.946162][ T1117] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0 [ 107.946504][ T1117] Read of size 1 at addr ffff88800cb5c6c4 by task ip/1117 [ 107.946754][ T1117] [ 107.946863][ T1117] CPU: 2 UID: 0 PID: 1117 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 107.946871][ T1117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.946875][ T1117] Call Trace: [ 107.946879][ T1117] [ 107.946881][ T1117] dump_stack_lvl+0x82/0xc0 [ 107.946888][ T1117] print_address_description.constprop.0+0x2c/0x3a0 [ 107.946906][ T1117] ? kobject_put+0xbb/0xd0 [ 107.946912][ T1117] print_report+0xb4/0x270 [ 107.946916][ T1117] ? kobject_put+0xbb/0xd0 [ 107.946920][ T1117] ? kasan_addr_to_slab+0x21/0x70 [ 107.946925][ T1117] ? kobject_put+0xbb/0xd0 [ 107.946928][ T1117] kasan_report+0xca/0x100 [ 107.946935][ T1117] ? kobject_put+0xbb/0xd0 [ 107.946943][ T1117] kobject_put+0xbb/0xd0 [ 107.946947][ T1117] netdev_run_todo+0x5f0/0xc60 [ 107.946966][ T1117] ? dev_ingress_queue_create+0x190/0x190 [ 107.946971][ T1117] ? generic_xdp_install+0x410/0x410 [ 107.946974][ T1117] ? unregister_netdevice_many+0x20/0x20 [ 107.946978][ T1117] ? net_generic+0xb1/0x1f0 [ 107.946993][ T1117] ? net_generic+0xbb/0x1f0 [ 107.947000][ T1117] rtnl_dellink+0x350/0xa30 [ 107.947012][ T1117] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 107.947039][ T1117] ? find_held_lock+0x2b/0x80 [ 107.947059][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.947064][ T1117] ? find_held_lock+0x2b/0x80 [ 107.947069][ T1117] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 107.947076][ T1117] ? __lock_release+0x5d/0x170 [ 107.947082][ T1117] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 107.947088][ T1117] rtnetlink_rcv_msg+0x709/0xc00 [ 107.947095][ T1117] ? rtnl_port_fill+0x890/0x890 [ 107.947099][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.947105][ T1117] netlink_rcv_skb+0x121/0x340 [ 107.947116][ T1117] ? rtnl_port_fill+0x890/0x890 [ 107.947123][ T1117] ? netlink_ack+0xdf0/0xdf0 [ 107.947135][ T1117] ? netlink_deliver_tap+0x13e/0x340 [ 107.947138][ T1117] ? netlink_deliver_tap+0xc3/0x340 [ 107.947141][ T1117] netlink_unicast+0x4aa/0x780 [ 107.947146][ T1117] ? netlink_attachskb+0x810/0x810 [ 107.947149][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.947158][ T1117] netlink_sendmsg+0x714/0xbd0 [ 107.947165][ T1117] ? netlink_unicast+0x780/0x780 [ 107.947171][ T1117] ? __import_iovec+0x230/0x3b0 [ 107.947188][ T1117] ? netlink_unicast+0x780/0x780 [ 107.947191][ T1117] ____sys_sendmsg+0x3dd/0x890 [ 107.947199][ T1117] ? get_timestamp.constprop.0+0x370/0x370 [ 107.947203][ T1117] ? __copy_msghdr+0x3c0/0x3c0 [ 107.947216][ T1117] ___sys_sendmsg+0xed/0x170 [ 107.947220][ T1117] ? kasan_record_aux_stack+0x8c/0xa0 [ 107.947226][ T1117] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 107.947233][ T1117] ? copy_msghdr_from_user+0x110/0x110 [ 107.947237][ T1117] ? find_held_lock+0x2b/0x80 [ 107.947243][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.947253][ T1117] ? find_held_lock+0x2b/0x80 [ 107.947259][ T1117] ? __virt_addr_valid+0x22a/0x450 [ 107.947278][ T1117] ? __lock_release+0x5d/0x170 [ 107.947285][ T1117] __sys_sendmsg+0x10b/0x1a0 [ 107.947289][ T1117] ? __call_rcu_common.constprop.0+0x318/0x630 [ 107.947294][ T1117] ? __sys_sendmsg_sock+0x20/0x20 [ 107.947308][ T1117] ? rcu_is_watching+0x12/0xb0 [ 107.947317][ T1117] do_syscall_64+0xc1/0xfd0 [ 107.947324][ T1117] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.947333][ T1117] RIP: 0033:0x7f9d7ad7b1d7 [ 107.947342][ T1117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 107.947347][ T1117] RSP: 002b:00007ffecaf59258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.947355][ T1117] RAX: ffffffffffffffda RBX: 00007ffecaf59980 RCX: 00007f9d7ad7b1d7 [ 107.947359][ T1117] RDX: 0000000000000000 RSI: 00007ffecaf592c0 RDI: 0000000000000005 [ 107.947361][ T1117] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 107.947363][ T1117] R10: 00007f9d7ac77f60 R11: 0000000000000246 R12: 0000000000000001 [ 107.947365][ T1117] R13: 00000000690ded99 R14: 0000000000499600 R15: 0000000000000000 [ 107.947371][ T1117] [ 107.947372][ T1117] [ 107.961825][ T1117] Allocated by task 1086: [ 107.962042][ T1117] kasan_save_stack+0x24/0x40 [ 107.962283][ T1117] kasan_save_track+0x14/0x30 [ 107.962479][ T1117] __kasan_kmalloc+0x7b/0x90 [ 107.962690][ T1117] __kvmalloc_node_noprof+0x2e5/0x8e0 [ 107.962862][ T1117] alloc_netdev_mqs+0x7d/0x1370 [ 107.963030][ T1117] __ip_tunnel_create+0x191/0x440 [ 107.963203][ T1117] ip_tunnel_ctl+0x37f/0x890 [ 107.963374][ T1117] ipgre_tunnel_ctl+0x21b/0x880 [ip_gre] [ 107.963546][ T1117] ip_tunnel_siocdevprivate+0xd9/0x150 [ 107.963725][ T1117] dev_ifsioc+0x17a6/0x2000 [ 107.963895][ T1117] dev_ioctl+0x15d/0xec0 [ 107.964019][ T1117] sock_ioctl+0x497/0x580 [ 107.964148][ T1117] __x64_sys_ioctl+0x118/0x190 [ 107.964343][ T1117] do_syscall_64+0xc1/0xfd0 [ 107.964564][ T1117] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.964833][ T1117] [ 107.964950][ T1117] Freed by task 1117: [ 107.965117][ T1117] kasan_save_stack+0x24/0x40 [ 107.965305][ T1117] kasan_save_track+0x14/0x30 [ 107.965469][ T1117] __kasan_save_free_info+0x3b/0x60 [ 107.965645][ T1117] __kasan_slab_free+0x3f/0x60 [ 107.965827][ T1117] kfree+0x21d/0x540 [ 107.965961][ T1117] device_release+0x9c/0x210 [ 107.966143][ T1117] kobject_cleanup+0xfe/0x360 [ 107.966316][ T1117] netdev_run_todo+0x81f/0xc60 [ 107.966484][ T1117] rtnl_dellink+0x350/0xa30 [ 107.966673][ T1117] rtnetlink_rcv_msg+0x709/0xc00 [ 107.966840][ T1117] netlink_rcv_skb+0x121/0x340 [ 107.967007][ T1117] netlink_unicast+0x4aa/0x780 [ 107.967207][ T1117] netlink_sendmsg+0x714/0xbd0 [ 107.967432][ T1117] ____sys_sendmsg+0x3dd/0x890 [ 107.967649][ T1117] ___sys_sendmsg+0xed/0x170 [ 107.967857][ T1117] __sys_sendmsg+0x10b/0x1a0 [ 107.968037][ T1117] do_syscall_64+0xc1/0xfd0 [ 107.968219][ T1117] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.968427][ T1117] [ 107.968518][ T1117] The buggy address belongs to the object at ffff88800cb5c000 [ 107.968518][ T1117] which belongs to the cache kmalloc-4k of size 4096 [ 107.969006][ T1117] The buggy address is located 1732 bytes inside of [ 107.969006][ T1117] freed 4096-byte region [ffff88800cb5c000, ffff88800cb5d000) [ 107.969493][ T1117] [ 107.969628][ T1117] The buggy address belongs to the physical page: [ 107.969917][ T1117] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xcb58 [ 107.970240][ T1117] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 107.970526][ T1117] flags: 0x80000000000040(head|node=0|zone=1) [ 107.970772][ T1117] page_type: f5(slab) [ 107.970940][ T1117] raw: 0080000000000040 ffff888001043700 ffffea000030c010 ffffea0000379610 [ 107.971268][ T1117] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000 [ 107.971621][ T1117] head: 0080000000000040 ffff888001043700 ffffea000030c010 ffffea0000379610 [ 107.971962][ T1117] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000 [ 107.972274][ T1117] head: 0080000000000003 ffffea000032d601 00000000ffffffff 00000000ffffffff [ 107.972570][ T1117] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 107.972873][ T1117] page dumped because: kasan: bad access detected [ 107.973089][ T1117] [ 107.973185][ T1117] Memory state around the buggy address: [ 107.973354][ T1117] ffff88800cb5c580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.973617][ T1117] ffff88800cb5c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.973859][ T1117] >ffff88800cb5c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.974122][ T1117] ^ [ 107.974335][ T1117] ffff88800cb5c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.974590][ T1117] ffff88800cb5c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.974825][ T1117] ================================================================== [ 107.975210][ T1117] Disabling lock debugging due to kernel taint [ 107.975644][ T1117] ------------[ cut here ]------------ [ 107.975976][ T1117] refcount_t: underflow; use-after-free. [ 107.976352][ T1117] WARNING: CPU: 0 PID: 1117 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0 [ 107.976881][ T1117] Modules linked in: ip_gre gre cls_u32 sch_htb [ 107.977276][ T1117] CPU: 0 UID: 0 PID: 1117 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full) [ 107.977820][ T1117] Tainted: [B]=BAD_PAGE [ 107.978032][ T1117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.978458][ T1117] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0 [ 107.978829][ T1117] Code: cc 38 03 80 fb 01 0f 87 29 33 d7 fe 83 e3 01 0f 85 51 ff ff ff c6 05 17 cc 38 03 01 90 48 c7 c7 40 ba c5 9b e8 62 d6 16 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 c0 9d a0 ff e9 ba fe ff ff [ 107.979810][ T1117] RSP: 0018:ffffc900029a71f0 EFLAGS: 00010286 [ 107.980157][ T1117] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 107.980571][ T1117] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 107.980976][ T1117] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff3980934 [ 107.981364][ T1117] R10: 0000000000000003 R11: ffffc900029a6d80 R12: 0000000000000001 [ 107.981825][ T1117] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100 [ 107.982239][ T1117] FS: 00007f9d7abad800(0000) GS:ffff8880cef08000(0000) knlGS:0000000000000000 [ 107.982712][ T1117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.983062][ T1117] CR2: 000055593daee148 CR3: 000000000e9fd006 CR4: 0000000000772ef0 [ 107.983421][ T1117] PKRU: 55555554 [ 107.983616][ T1117] Call Trace: [ 107.983858][ T1117] [ 107.984007][ T1117] netdev_run_todo+0x5f0/0xc60 [ 107.984289][ T1117] ? dev_ingress_queue_create+0x190/0x190 [ 107.984566][ T1117] ? generic_xdp_install+0x410/0x410 [ 107.984847][ T1117] ? unregister_netdevice_many+0x20/0x20 [ 107.985111][ T1117] ? net_generic+0xb1/0x1f0 [ 107.985374][ T1117] ? net_generic+0xbb/0x1f0 [ 107.985625][ T1117] rtnl_dellink+0x350/0xa30 [ 107.986054][ T1117] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 107.986413][ T1117] ? find_held_lock+0x2b/0x80 [ 107.986733][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.987022][ T1117] ? find_held_lock+0x2b/0x80 [ 107.987474][ T1117] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 107.987816][ T1117] ? __lock_release+0x5d/0x170 [ 107.988088][ T1117] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 107.988436][ T1117] rtnetlink_rcv_msg+0x709/0xc00 [ 107.988957][ T1117] ? rtnl_port_fill+0x890/0x890 [ 107.989227][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.989559][ T1117] netlink_rcv_skb+0x121/0x340 [ 107.989886][ T1117] ? rtnl_port_fill+0x890/0x890 [ 107.990356][ T1117] ? netlink_ack+0xdf0/0xdf0 [ 107.990703][ T1117] ? netlink_deliver_tap+0x13e/0x340 [ 107.990997][ T1117] ? netlink_deliver_tap+0xc3/0x340 [ 107.991267][ T1117] netlink_unicast+0x4aa/0x780 [ 107.991708][ T1117] ? netlink_attachskb+0x810/0x810 [ 107.992032][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.992327][ T1117] netlink_sendmsg+0x714/0xbd0 [ 107.992618][ T1117] ? netlink_unicast+0x780/0x780 [ 107.992921][ T1117] ? __import_iovec+0x230/0x3b0 [ 107.993218][ T1117] ? netlink_unicast+0x780/0x780 [ 107.993505][ T1117] ____sys_sendmsg+0x3dd/0x890 [ 107.993803][ T1117] ? get_timestamp.constprop.0+0x370/0x370 [ 107.994376][ T1117] ? __copy_msghdr+0x3c0/0x3c0 [ 107.994652][ T1117] ___sys_sendmsg+0xed/0x170 [ 107.994934][ T1117] ? kasan_record_aux_stack+0x8c/0xa0 [ 107.995212][ T1117] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 107.995743][ T1117] ? copy_msghdr_from_user+0x110/0x110 [ 107.995992][ T1117] ? find_held_lock+0x2b/0x80 [ 107.996216][ T1117] ? __lock_acquire+0x449/0x7e0 [ 107.996585][ T1117] ? find_held_lock+0x2b/0x80 [ 107.996837][ T1117] ? __virt_addr_valid+0x22a/0x450 [ 107.997084][ T1117] ? __lock_release+0x5d/0x170 [ 107.997328][ T1117] __sys_sendmsg+0x10b/0x1a0 [ 107.997691][ T1117] ? __call_rcu_common.constprop.0+0x318/0x630 [ 107.998035][ T1117] ? __sys_sendmsg_sock+0x20/0x20 [ 107.998338][ T1117] ? rcu_is_watching+0x12/0xb0 [ 107.998620][ T1117] do_syscall_64+0xc1/0xfd0 [ 107.999067][ T1117] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 107.999398][ T1117] RIP: 0033:0x7f9d7ad7b1d7 [ 107.999684][ T1117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 108.000885][ T1117] RSP: 002b:00007ffecaf59258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.001310][ T1117] RAX: ffffffffffffffda RBX: 00007ffecaf59980 RCX: 00007f9d7ad7b1d7 [ 108.001933][ T1117] RDX: 0000000000000000 RSI: 00007ffecaf592c0 RDI: 0000000000000005 [ 108.002332][ T1117] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 108.002805][ T1117] R10: 00007f9d7ac77f60 R11: 0000000000000246 R12: 0000000000000001 [ 108.003256][ T1117] R13: 00000000690ded99 R14: 0000000000499600 R15: 0000000000000000 [ 108.003701][ T1117] [ 108.004105][ T1117] irq event stamp: 41165 [ 108.004299][ T1117] hardirqs last enabled at (41165): [] finish_task_switch.isra.0+0x245/0x960 [ 108.004800][ T1117] hardirqs last disabled at (41164): [] __schedule+0x94a/0x1b10 [ 108.005364][ T1117] softirqs last enabled at (40516): [] handle_softirqs+0x352/0x610 [ 108.005824][ T1117] softirqs last disabled at (40269): [] irq_exit_rcu+0xab/0x100 [ 108.006235][ T1117] ---[ end trace 0000000000000000 ]--- [ 110.774412][ T1153] ip6_gre: GRE over IPv6 tunneling driver [ 111.077036][ T51] ip6_tunnel: ip6gretap00 xmit: Local address not yet configured! [ 115.190980][ T23] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 115.649087][ T9] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 115.685039][ T9] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 116.388206][ T1236] test-br0: port 1(test-dummy0) entered blocking state [ 116.388734][ T1236] test-br0: port 1(test-dummy0) entered disabled state [ 116.389213][ T1236] test-dummy0: entered allmulticast mode [ 116.391344][ T1236] test-dummy0: entered promiscuous mode [ 116.529495][ T1240] test-br0: port 1(test-dummy0) entered blocking state [ 116.529930][ T1240] test-br0: port 1(test-dummy0) entered forwarding state [ 118.264092][ T1276] test-dummy0: left allmulticast mode [ 118.264464][ T1276] test-dummy0: left promiscuous mode [ 118.264979][ T1276] test-br0: port 1(test-dummy0) entered disabled state [ 220.853643][ T3505] MACsec IEEE 802.1AE [ 222.049793][ T3533] test-dummy0: entered promiscuous mode [ 222.565866][ T3542] test-dummy0: left promiscuous mode [ 222.849710][ T3546] Initializing XFRM netlink socket [ 226.289358][ T3623] netdevsim netdevsim0 eni0np1: renamed from eth0 [ 229.074240][ T255] ------------[ cut here ]------------ [ 229.074546][ T255] kernel BUG at net/core/net-sysfs.c:2246! [ 229.074858][ T255] Oops: invalid opcode: 0000 [#1] SMP KASAN [ 229.075187][ T255] CPU: 3 UID: 0 PID: 255 Comm: rtnetlink.sh Tainted: G B W 6.18.0-rc4-virtme #1 PREEMPT(full) [ 229.075760][ T255] Tainted: [B]=BAD_PAGE, [W]=WARN [ 229.076016][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 229.076304][ T255] RIP: 0010:netdev_release+0x6f/0x80 [ 229.076552][ T255] Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 20 48 8b bb b0 fa ff ff e8 9c 81 d1 fe 48 89 ef 5b 5d e9 62 8e d1 fe 90 <0f> 0b e8 0a 65 d8 fe eb bc e8 63 65 d8 fe eb d9 90 f3 0f 1e fa 0f [ 229.077369][ T255] RSP: 0018:ffffc90000b878a8 EFLAGS: 00010297 [ 229.077670][ T255] RAX: 0000000000000000 RBX: ffff888009952688 RCX: ffffffff9b77ab51 [ 229.077999][ T255] RDX: 1ffff1100132a4cc RSI: ffffffff9bc602c0 RDI: ffff888009952660 [ 229.078333][ T255] RBP: ffff888009952000 R08: 0000000000000001 R09: ffffed100132a4d8 [ 229.078679][ T255] R10: ffff8880099526c3 R11: ffffffff98e000b0 R12: ffff8880093de800 [ 229.079032][ T255] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100 [ 229.079381][ T255] FS: 00007fd70bf49000(0000) GS:ffff8880cf088000(0000) knlGS:0000000000000000 [ 229.079866][ T255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 229.080164][ T255] CR2: 000055aaaac51530 CR3: 0000000002671002 CR4: 0000000000772ef0 [ 229.080556][ T255] PKRU: 55555554 [ 229.080750][ T255] Call Trace: [ 229.080907][ T255] [ 229.081024][ T255] device_release+0x9c/0x210 [ 229.081259][ T255] kobject_cleanup+0xfe/0x360 [ 229.081495][ T255] netdev_run_todo+0x5f0/0xc60 [ 229.081758][ T255] ? generic_xdp_install+0x410/0x410 [ 229.081994][ T255] ? kfree+0x21d/0x540 [ 229.082159][ T255] nsim_destroy+0x1da/0x700 [netdevsim] [ 229.082434][ T255] __nsim_dev_port_del+0x17e/0x250 [netdevsim] [ 229.082746][ T255] nsim_dev_reload_destroy+0xdc/0x470 [netdevsim] [ 229.083041][ T255] nsim_drv_remove+0x51/0x1d0 [netdevsim] [ 229.083277][ T255] device_release_driver_internal+0x3bb/0x580 [ 229.083584][ T255] ? klist_put+0xb1/0x170 [ 229.083778][ T255] bus_remove_device+0x1ee/0x3f0 [ 229.084003][ T255] device_del+0x33b/0x8c0 [ 229.084163][ T255] ? __device_link_del+0x3c0/0x3c0 [ 229.084399][ T255] ? kernfs_fop_write_iter+0x207/0x490 [ 229.084640][ T255] device_unregister+0x17/0xa0 [ 229.084865][ T255] del_device_store+0x2f2/0x4f0 [netdevsim] [ 229.085168][ T255] ? sysfs_file_kobj+0xb5/0x1f0 [ 229.085455][ T255] ? rcu_is_watching+0x12/0xb0 [ 229.085702][ T255] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim] [ 229.085994][ T255] ? sysfs_file_kobj+0xbf/0x1f0 [ 229.086247][ T255] ? sysfs_file_ops+0x120/0x120 [ 229.086509][ T255] kernfs_fop_write_iter+0x2f2/0x490 [ 229.086758][ T255] vfs_write+0xaae/0x12c0 [ 229.086945][ T255] ? kernel_write+0x6b0/0x6b0 [ 229.087205][ T255] ? lock_vma_under_rcu+0x138/0x3d0 [ 229.087492][ T255] ? __handle_mm_fault+0x5d0/0x5d0 [ 229.087780][ T255] ksys_write+0xf7/0x1d0 [ 229.087936][ T255] ? __ia32_sys_read+0xb0/0xb0 [ 229.088267][ T255] ? do_user_addr_fault+0x955/0xe00 [ 229.088489][ T255] do_syscall_64+0xc1/0xfd0 [ 229.088708][ T255] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 229.088989][ T255] RIP: 0033:0x7fd70c049257 [ 229.089197][ T255] 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 [ 229.090081][ T255] RSP: 002b:00007fff87f335c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 229.090473][ T255] RAX: ffffffffffffffda RBX: 00007fd70c145780 RCX: 00007fd70c049257 [ 229.090840][ T255] RDX: 0000000000000002 RSI: 000055aaaac51530 RDI: 0000000000000001 [ 229.091314][ T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 00007fd70c0fbd20 [ 229.091648][ T255] R10: 00007fd70c0fbc20 R11: 0000000000000246 R12: 0000000000000002 [ 229.092029][ T255] R13: 000055aaaac51530 R14: 0000000000000002 R15: 00007fd70c1409c0 [ 229.092365][ T255] [ 229.092533][ T255] Modules linked in: netdevsim psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [ 229.093254][ T255] ---[ end trace 0000000000000000 ]--- [ 229.093495][ T255] RIP: 0010:netdev_release+0x6f/0x80 [ 229.093708][ T255] Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 20 48 8b bb b0 fa ff ff e8 9c 81 d1 fe 48 89 ef 5b 5d e9 62 8e d1 fe 90 <0f> 0b e8 0a 65 d8 fe eb bc e8 63 65 d8 fe eb d9 90 f3 0f 1e fa 0f [ 229.094454][ T255] RSP: 0018:ffffc90000b878a8 EFLAGS: 00010297 [ 229.094732][ T255] RAX: 0000000000000000 RBX: ffff888009952688 RCX: ffffffff9b77ab51 [ 229.095062][ T255] RDX: 1ffff1100132a4cc RSI: ffffffff9bc602c0 RDI: ffff888009952660 [ 229.095371][ T255] RBP: ffff888009952000 R08: 0000000000000001 R09: ffffed100132a4d8 [ 229.095847][ T255] R10: ffff8880099526c3 R11: ffffffff98e000b0 R12: ffff8880093de800 [ 229.096158][ T255] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100 [ 229.096513][ T255] FS: 00007fd70bf49000(0000) GS:ffff8880cf088000(0000) knlGS:0000000000000000 [ 229.097044][ T255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 229.097346][ T255] CR2: 000055aaaac51530 CR3: 0000000002671002 CR4: 0000000000772ef0 [ 229.097689][ T255] PKRU: 55555554 [ 229.097878][ T255] Kernel panic - not syncing: Fatal exception [ 229.098286][ T255] Kernel Offset: 0x17e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 229.098841][ T255] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr