[ 13.622888][ T227] netdevsim netdevsim351 eni351np1: renamed from eth0 [ 14.495329][ T236] team0: Port device eni351np1 added [ 14.885700][ T247] team0 (unregistering): Port device eni351np1 removed [ 14.915785][ T247] ================================================================== [ 14.916186][ T247] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0 [ 14.916436][ T247] Read of size 1 at addr ffff88801180469c by task ip/247 [ 14.916639][ T247] [ 14.916727][ T247] CPU: 0 UID: 0 PID: 247 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 14.916732][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.916734][ T247] Call Trace: [ 14.916736][ T247] [ 14.916738][ T247] dump_stack_lvl+0x82/0xc0 [ 14.916744][ T247] print_address_description.constprop.0+0x2c/0x3a0 [ 14.916756][ T247] ? kobject_put+0xbb/0xd0 [ 14.916761][ T247] print_report+0xb4/0x270 [ 14.916768][ T247] ? kobject_put+0xbb/0xd0 [ 14.916772][ T247] ? kasan_addr_to_slab+0x21/0x70 [ 14.916775][ T247] ? kobject_put+0xbb/0xd0 [ 14.916778][ T247] kasan_report+0xca/0x100 [ 14.916781][ T247] ? kobject_put+0xbb/0xd0 [ 14.916786][ T247] kobject_put+0xbb/0xd0 [ 14.916789][ T247] netdev_run_todo+0x5f0/0xc60 [ 14.916795][ T247] ? dev_ingress_queue_create+0x190/0x190 [ 14.916799][ T247] ? generic_xdp_install+0x410/0x410 [ 14.916802][ T247] ? unregister_netdevice_many+0x20/0x20 [ 14.916805][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.916813][ T247] rtnl_dellink+0x350/0xa30 [ 14.916819][ T247] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 14.916838][ T247] ? find_held_lock+0x2b/0x80 [ 14.916842][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.916851][ T247] ? find_held_lock+0x2b/0x80 [ 14.916857][ T247] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 14.916861][ T247] ? __lock_release+0x5d/0x170 [ 14.916866][ T247] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 14.916869][ T247] rtnetlink_rcv_msg+0x709/0xc00 [ 14.916873][ T247] ? rtnl_port_fill+0x850/0x850 [ 14.916876][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.916883][ T247] netlink_rcv_skb+0x121/0x340 [ 14.916888][ T247] ? rtnl_port_fill+0x850/0x850 [ 14.916892][ T247] ? netlink_ack+0xdd0/0xdd0 [ 14.916898][ T247] ? netlink_deliver_tap+0x13e/0x340 [ 14.916905][ T247] ? netlink_deliver_tap+0xc3/0x340 [ 14.916910][ T247] netlink_unicast+0x4aa/0x780 [ 14.916914][ T247] ? netlink_attachskb+0x810/0x810 [ 14.916917][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.916923][ T247] netlink_sendmsg+0x714/0xbd0 [ 14.916927][ T247] ? netlink_unicast+0x780/0x780 [ 14.916930][ T247] ? __import_iovec+0x230/0x3b0 [ 14.916938][ T247] ? netlink_unicast+0x780/0x780 [ 14.916941][ T247] ____sys_sendmsg+0x3dd/0x890 [ 14.916955][ T247] ? get_timestamp.constprop.0+0x380/0x380 [ 14.916960][ T247] ? __copy_msghdr+0x3c0/0x3c0 [ 14.916971][ T247] ___sys_sendmsg+0xed/0x170 [ 14.916973][ T247] ? kasan_record_aux_stack+0x8c/0xa0 [ 14.916976][ T247] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 14.916984][ T247] ? copy_msghdr_from_user+0x110/0x110 [ 14.916988][ T247] ? find_held_lock+0x2b/0x80 [ 14.916992][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.916998][ T247] ? find_held_lock+0x2b/0x80 [ 14.917001][ T247] ? __virt_addr_valid+0x22a/0x450 [ 14.917007][ T247] ? __lock_release+0x5d/0x170 [ 14.917013][ T247] __sys_sendmsg+0x10b/0x1a0 [ 14.917015][ T247] ? __call_rcu_common.constprop.0+0x318/0x630 [ 14.917019][ T247] ? __sys_sendmsg_sock+0x20/0x20 [ 14.917026][ T247] ? rcu_is_watching+0x12/0xb0 [ 14.917030][ T247] do_syscall_64+0xc1/0xfd0 [ 14.917036][ T247] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.917040][ T247] RIP: 0033:0x7fc069f941d7 [ 14.917045][ T247] 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 [ 14.917048][ T247] RSP: 002b:00007fff2dfd9708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 14.917052][ T247] RAX: ffffffffffffffda RBX: 00007fff2dfd9e30 RCX: 00007fc069f941d7 [ 14.917054][ T247] RDX: 0000000000000000 RSI: 00007fff2dfd9770 RDI: 0000000000000005 [ 14.917056][ T247] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 14.917057][ T247] R10: 00007fc069e90f60 R11: 0000000000000246 R12: 0000000000000001 [ 14.917059][ T247] R13: 00000000690dffc4 R14: 0000000000499600 R15: 0000000000000000 [ 14.917065][ T247] [ 14.917066][ T247] [ 14.930156][ T247] Allocated by task 233: [ 14.930283][ T247] kasan_save_stack+0x24/0x40 [ 14.930462][ T247] kasan_save_track+0x14/0x30 [ 14.930643][ T247] __kasan_kmalloc+0x7b/0x90 [ 14.930919][ T247] __kvmalloc_node_noprof+0x2e5/0x8e0 [ 14.931123][ T247] alloc_netdev_mqs+0x7d/0x1310 [ 14.931324][ T247] rtnl_create_link+0xa9e/0xe20 [ 14.931508][ T247] rtnl_newlink_create+0x203/0x8f0 [ 14.931780][ T247] __rtnl_newlink+0x231/0xa30 [ 14.931965][ T247] rtnl_newlink+0x693/0xa60 [ 14.932140][ T247] rtnetlink_rcv_msg+0x709/0xc00 [ 14.932326][ T247] netlink_rcv_skb+0x121/0x340 [ 14.932623][ T247] netlink_unicast+0x4aa/0x780 [ 14.932824][ T247] netlink_sendmsg+0x714/0xbd0 [ 14.933037][ T247] ____sys_sendmsg+0x3dd/0x890 [ 14.933273][ T247] ___sys_sendmsg+0xed/0x170 [ 14.933540][ T247] __sys_sendmsg+0x10b/0x1a0 [ 14.933705][ T247] do_syscall_64+0xc1/0xfd0 [ 14.933881][ T247] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.934097][ T247] [ 14.934280][ T247] Freed by task 247: [ 14.934436][ T247] kasan_save_stack+0x24/0x40 [ 14.934606][ T247] kasan_save_track+0x14/0x30 [ 14.934789][ T247] __kasan_save_free_info+0x3b/0x60 [ 14.934960][ T247] __kasan_slab_free+0x3f/0x60 [ 14.935226][ T247] kfree+0x21d/0x540 [ 14.935353][ T247] device_release+0x9c/0x210 [ 14.935520][ T247] kobject_cleanup+0xfe/0x360 [ 14.935687][ T247] netdev_run_todo+0x81f/0xc60 [ 14.935966][ T247] rtnl_dellink+0x350/0xa30 [ 14.936138][ T247] rtnetlink_rcv_msg+0x709/0xc00 [ 14.936299][ T247] netlink_rcv_skb+0x121/0x340 [ 14.936462][ T247] netlink_unicast+0x4aa/0x780 [ 14.936719][ T247] netlink_sendmsg+0x714/0xbd0 [ 14.936891][ T247] ____sys_sendmsg+0x3dd/0x890 [ 14.937059][ T247] ___sys_sendmsg+0xed/0x170 [ 14.937221][ T247] __sys_sendmsg+0x10b/0x1a0 [ 14.937502][ T247] do_syscall_64+0xc1/0xfd0 [ 14.937672][ T247] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.937898][ T247] [ 14.937998][ T247] The buggy address belongs to the object at ffff888011804000 [ 14.937998][ T247] which belongs to the cache kmalloc-4k of size 4096 [ 14.938519][ T247] The buggy address is located 1692 bytes inside of [ 14.938519][ T247] freed 4096-byte region [ffff888011804000, ffff888011805000) [ 14.939034][ T247] [ 14.939120][ T247] The buggy address belongs to the physical page: [ 14.939321][ T247] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888011801000 pfn:0x11800 [ 14.939769][ T247] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.940039][ T247] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 14.940260][ T247] page_type: f5(slab) [ 14.940392][ T247] raw: 0080000000000240 ffff888001043700 ffffea000041b610 ffffea0000206610 [ 14.940788][ T247] raw: ffff888011801000 0000000000020001 00000000f5000000 0000000000000000 [ 14.941119][ T247] head: 0080000000000240 ffff888001043700 ffffea000041b610 ffffea0000206610 [ 14.941521][ T247] head: ffff888011801000 0000000000020001 00000000f5000000 0000000000000000 [ 14.941808][ T247] head: 0080000000000003 ffffea0000460001 00000000ffffffff 00000000ffffffff [ 14.942210][ T247] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.942497][ T247] page dumped because: kasan: bad access detected [ 14.942708][ T247] [ 14.942790][ T247] Memory state around the buggy address: [ 14.943059][ T247] ffff888011804580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.943298][ T247] ffff888011804600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.943534][ T247] >ffff888011804680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.943864][ T247] ^ [ 14.944028][ T247] ffff888011804700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.944268][ T247] ffff888011804780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.944595][ T247] ================================================================== [ 14.945504][ T247] Disabling lock debugging due to kernel taint [ 14.945725][ T247] ------------[ cut here ]------------ [ 14.945906][ T247] refcount_t: underflow; use-after-free. [ 14.946175][ T247] WARNING: CPU: 0 PID: 247 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0 [ 14.946464][ T247] Modules linked in: netdevsim [ 14.946634][ T247] CPU: 0 UID: 0 PID: 247 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full) [ 14.946990][ T247] Tainted: [B]=BAD_PAGE [ 14.947191][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.947410][ T247] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0 [ 14.947623][ T247] Code: a2 b5 02 80 fb 01 0f 87 db 6e d8 fe 83 e3 01 0f 85 51 ff ff ff c6 05 c2 a2 b5 02 01 90 48 c7 c7 60 a8 85 96 e8 72 c3 17 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 20 69 a0 ff e9 ba fe ff ff [ 14.948267][ T247] RSP: 0018:ffffc900007371f0 EFLAGS: 00010286 [ 14.948482][ T247] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 14.948720][ T247] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 14.948988][ T247] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff2e3e134 [ 14.949318][ T247] R10: 0000000000000003 R11: ffffc90000736d80 R12: 0000000000000001 [ 14.949564][ T247] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100 [ 14.949802][ T247] FS: 00007fc069dc6800(0000) GS:ffff88809db81000(0000) knlGS:0000000000000000 [ 14.950187][ T247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.950400][ T247] CR2: 00007f04b81435f0 CR3: 00000000088ff002 CR4: 0000000000772ef0 [ 14.950640][ T247] PKRU: 55555554 [ 14.950766][ T247] Call Trace: [ 14.950896][ T247] [ 14.950980][ T247] netdev_run_todo+0x5f0/0xc60 [ 14.951154][ T247] ? dev_ingress_queue_create+0x190/0x190 [ 14.951316][ T247] ? generic_xdp_install+0x410/0x410 [ 14.951494][ T247] ? unregister_netdevice_many+0x20/0x20 [ 14.951651][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.951816][ T247] rtnl_dellink+0x350/0xa30 [ 14.951989][ T247] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 14.952209][ T247] ? find_held_lock+0x2b/0x80 [ 14.952377][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.952698][ T247] ? find_held_lock+0x2b/0x80 [ 14.952899][ T247] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 14.953059][ T247] ? __lock_release+0x5d/0x170 [ 14.953225][ T247] ? valid_bridge_getlink_req.constprop.0+0x640/0x640 [ 14.953538][ T247] rtnetlink_rcv_msg+0x709/0xc00 [ 14.953714][ T247] ? rtnl_port_fill+0x850/0x850 [ 14.953926][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.954102][ T247] netlink_rcv_skb+0x121/0x340 [ 14.954261][ T247] ? rtnl_port_fill+0x850/0x850 [ 14.954417][ T247] ? netlink_ack+0xdd0/0xdd0 [ 14.954576][ T247] ? netlink_deliver_tap+0x13e/0x340 [ 14.954761][ T247] ? netlink_deliver_tap+0xc3/0x340 [ 14.955052][ T247] netlink_unicast+0x4aa/0x780 [ 14.955233][ T247] ? netlink_attachskb+0x810/0x810 [ 14.955400][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.955560][ T247] netlink_sendmsg+0x714/0xbd0 [ 14.955842][ T247] ? netlink_unicast+0x780/0x780 [ 14.956010][ T247] ? __import_iovec+0x230/0x3b0 [ 14.956181][ T247] ? netlink_unicast+0x780/0x780 [ 14.956345][ T247] ____sys_sendmsg+0x3dd/0x890 [ 14.956596][ T247] ? get_timestamp.constprop.0+0x380/0x380 [ 14.956789][ T247] ? __copy_msghdr+0x3c0/0x3c0 [ 14.956957][ T247] ___sys_sendmsg+0xed/0x170 [ 14.957124][ T247] ? kasan_record_aux_stack+0x8c/0xa0 [ 14.957299][ T247] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 14.957534][ T247] ? copy_msghdr_from_user+0x110/0x110 [ 14.957695][ T247] ? find_held_lock+0x2b/0x80 [ 14.957960][ T247] ? __lock_acquire+0x449/0x7e0 [ 14.958132][ T247] ? find_held_lock+0x2b/0x80 [ 14.958289][ T247] ? __virt_addr_valid+0x22a/0x450 [ 14.958449][ T247] ? __lock_release+0x5d/0x170 [ 14.958697][ T247] __sys_sendmsg+0x10b/0x1a0 [ 14.958859][ T247] ? __call_rcu_common.constprop.0+0x318/0x630 [ 14.959060][ T247] ? __sys_sendmsg_sock+0x20/0x20 [ 14.959236][ T247] ? rcu_is_watching+0x12/0xb0 [ 14.959487][ T247] do_syscall_64+0xc1/0xfd0 [ 14.959672][ T247] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.959915][ T247] RIP: 0033:0x7fc069f941d7 [ 14.960224][ T247] 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 [ 14.960866][ T247] RSP: 002b:00007fff2dfd9708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 14.961215][ T247] RAX: ffffffffffffffda RBX: 00007fff2dfd9e30 RCX: 00007fc069f941d7 [ 14.961452][ T247] RDX: 0000000000000000 RSI: 00007fff2dfd9770 RDI: 0000000000000005 [ 14.961723][ T247] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 14.962084][ T247] R10: 00007fc069e90f60 R11: 0000000000000246 R12: 0000000000000001 [ 14.962326][ T247] R13: 00000000690dffc4 R14: 0000000000499600 R15: 0000000000000000 [ 14.962659][ T247] [ 14.962784][ T247] irq event stamp: 54019 [ 14.962937][ T247] hardirqs last enabled at (54019): [] irqentry_exit+0x3b/0x80 [ 14.963259][ T247] hardirqs last disabled at (54018): [] handle_softirqs+0x47f/0x610 [ 14.963632][ T247] softirqs last enabled at (53028): [] handle_softirqs+0x352/0x610 [ 14.963920][ T247] softirqs last disabled at (53021): [] irq_exit_rcu+0xab/0x100 [ 14.964208][ T247] ---[ end trace 0000000000000000 ]--- [ 15.313660][ T253] team0: entered promiscuous mode [ 15.409209][ T254] dummyteam: entered promiscuous mode [ 15.411308][ T254] team0: Port device dummyteam added [ 15.554677][ T257] dummyteam: left promiscuous mode [ 15.557322][ T257] team0 (unregistering): Port device dummyteam removed [ 16.014492][ T264] team0: Port device dummyteam added [ 16.165903][ T266] team0: entered promiscuous mode [ 16.166154][ T266] dummyteam: entered promiscuous mode [ 16.474616][ T271] dummyteam: left promiscuous mode [ 16.476991][ T271] team0 (unregistering): Port device dummyteam removed [ 16.962204][ T222] ------------[ cut here ]------------ [ 16.962476][ T222] kernel BUG at net/core/net-sysfs.c:2246! [ 16.962756][ T222] Oops: invalid opcode: 0000 [#1] SMP KASAN [ 16.963035][ T222] CPU: 3 UID: 0 PID: 222 Comm: propagation.sh Tainted: G B W 6.18.0-rc4-virtme #1 PREEMPT(full) [ 16.963504][ T222] Tainted: [B]=BAD_PAGE, [W]=WARN [ 16.963739][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.964018][ T222] RIP: 0010:netdev_release+0x6f/0x80 [ 16.964259][ T222] Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 20 48 8b bb d0 fa ff ff e8 9c be cd fe 48 89 ef 5b 5d e9 62 cb cd fe 90 <0f> 0b e8 0a a2 d4 fe eb bc e8 63 a2 d4 fe eb d9 90 f3 0f 1e fa 0f [ 16.965058][ T222] RSP: 0018:ffffc90000aa78a8 EFLAGS: 00010297 [ 16.965347][ T222] RAX: 0000000000000000 RBX: ffff8880100fa660 RCX: ffffffff9644cb51 [ 16.965683][ T222] RDX: 1ffff1100201f4c8 RSI: ffffffff9685f0c0 RDI: ffff8880100fa640 [ 16.966032][ T222] RBP: ffff8880100fa000 R08: 0000000000000001 R09: ffffed100201f4d3 [ 16.966368][ T222] R10: ffff8880100fa69b R11: ffffffff93c000b0 R12: ffff8880106e7a00 [ 16.966709][ T222] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100 [ 16.967052][ T222] FS: 00007ffbd1da7000(0000) GS:ffff88809dd01000(0000) knlGS:0000000000000000 [ 16.967431][ T222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.967719][ T222] CR2: 0000560ab97f5d61 CR3: 0000000011895003 CR4: 0000000000772ef0 [ 16.968067][ T222] PKRU: 55555554 [ 16.968248][ T222] Call Trace: [ 16.968418][ T222] [ 16.968537][ T222] device_release+0x9c/0x210 [ 16.968770][ T222] kobject_cleanup+0xfe/0x360 [ 16.969004][ T222] netdev_run_todo+0x5f0/0xc60 [ 16.969234][ T222] ? generic_xdp_install+0x410/0x410 [ 16.969457][ T222] ? kfree+0x21d/0x540 [ 16.969635][ T222] nsim_destroy+0x1da/0x700 [netdevsim] [ 16.969882][ T222] __nsim_dev_port_del+0x17e/0x250 [netdevsim] [ 16.970183][ T222] nsim_dev_reload_destroy+0xdc/0x460 [netdevsim] [ 16.970459][ T222] nsim_drv_remove+0x51/0x1d0 [netdevsim] [ 16.970695][ T222] device_release_driver_internal+0x3bb/0x580 [ 16.970982][ T222] ? klist_put+0xb1/0x170 [ 16.971170][ T222] bus_remove_device+0x1ee/0x3f0 [ 16.971384][ T222] device_del+0x33b/0x8c0 [ 16.971561][ T222] ? __device_link_del+0x3c0/0x3c0 [ 16.971793][ T222] ? kernfs_fop_write_iter+0x207/0x490 [ 16.972035][ T222] device_unregister+0x17/0xa0 [ 16.972262][ T222] del_device_store+0x2f2/0x4f0 [netdevsim] [ 16.972544][ T222] ? sysfs_file_kobj+0xb5/0x1f0 [ 16.972770][ T222] ? rcu_is_watching+0x12/0xb0 [ 16.973006][ T222] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim] [ 16.973298][ T222] ? sysfs_file_kobj+0xbf/0x1f0 [ 16.973523][ T222] ? sysfs_file_ops+0x120/0x120 [ 16.973746][ T222] kernfs_fop_write_iter+0x2f2/0x490 [ 16.973978][ T222] vfs_write+0xaae/0x12c0 [ 16.974163][ T222] ? kernel_write+0x6b0/0x6b0 [ 16.974377][ T222] ? lock_vma_under_rcu+0x138/0x3d0 [ 16.974612][ T222] ? __handle_mm_fault+0x5d0/0x5d0 [ 16.974846][ T222] ksys_write+0xf7/0x1d0 [ 16.975020][ T222] ? __ia32_sys_read+0xb0/0xb0 [ 16.975244][ T222] ? do_user_addr_fault+0x955/0xe00 [ 16.975474][ T222] do_syscall_64+0xc1/0xfd0 [ 16.975711][ T222] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.975989][ T222] RIP: 0033:0x7ffbd1ea7257 [ 16.976225][ T222] 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 [ 16.977040][ T222] RSP: 002b:00007ffe6d17cc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 16.977380][ T222] RAX: ffffffffffffffda RBX: 00007ffbd1fa3780 RCX: 00007ffbd1ea7257 [ 16.977727][ T222] RDX: 0000000000000004 RSI: 0000560ab97f5d60 RDI: 0000000000000001 [ 16.978066][ T222] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffbd1f59d20 [ 16.978401][ T222] R10: 00007ffbd1f59c20 R11: 0000000000000246 R12: 0000000000000004 [ 16.978741][ T222] R13: 0000560ab97f5d60 R14: 0000000000000004 R15: 00007ffbd1f9e9c0 [ 16.979094][ T222] [ 16.979264][ T222] Modules linked in: netdevsim [ 16.979521][ T222] ---[ end trace 0000000000000000 ]--- [ 16.979749][ T222] RIP: 0010:netdev_release+0x6f/0x80 [ 16.979990][ T222] Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 20 48 8b bb d0 fa ff ff e8 9c be cd fe 48 89 ef 5b 5d e9 62 cb cd fe 90 <0f> 0b e8 0a a2 d4 fe eb bc e8 63 a2 d4 fe eb d9 90 f3 0f 1e fa 0f [ 16.980801][ T222] RSP: 0018:ffffc90000aa78a8 EFLAGS: 00010297 [ 16.981115][ T222] RAX: 0000000000000000 RBX: ffff8880100fa660 RCX: ffffffff9644cb51 [ 16.981449][ T222] RDX: 1ffff1100201f4c8 RSI: ffffffff9685f0c0 RDI: ffff8880100fa640 [ 16.981793][ T222] RBP: ffff8880100fa000 R08: 0000000000000001 R09: ffffed100201f4d3 [ 16.982143][ T222] R10: ffff8880100fa69b R11: ffffffff93c000b0 R12: ffff8880106e7a00 [ 16.982470][ T222] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100 [ 16.982804][ T222] FS: 00007ffbd1da7000(0000) GS:ffff88809dd01000(0000) knlGS:0000000000000000 [ 16.983211][ T222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.983480][ T222] CR2: 0000560ab97f5d61 CR3: 0000000011895003 CR4: 0000000000772ef0 [ 16.983839][ T222] PKRU: 55555554 [ 16.984013][ T222] Kernel panic - not syncing: Fatal exception [ 16.984389][ T222] Kernel Offset: 0x12c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 16.984918][ T222] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr