[ 80.693523][ T27] audit: type=1800 audit(1579611996.476:27): pid=10178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 80.738478][ T27] audit: type=1800 audit(1579611996.476:28): pid=10178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 81.799219][ T27] audit: type=1800 audit(1579611997.656:29): pid=10178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 81.822588][ T27] audit: type=1800 audit(1579611997.656:30): pid=10178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. syzkaller login: [ 90.592733][T10339] IPVS: ftp: loaded support on port[0] = 21 [ 90.604037][T10335] IPVS: ftp: loaded support on port[0] = 21 [ 90.608834][T10341] IPVS: ftp: loaded support on port[0] = 21 [ 90.625766][T10342] IPVS: ftp: loaded support on port[0] = 21 [ 90.634149][T10343] IPVS: ftp: loaded support on port[0] = 21 [ 90.635450][T10340] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 90.780811][T10346] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.790708][T10347] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.804312][T10351] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.816660][T10353] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.817915][T10355] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.829672][T10354] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.858483][T10347] list_del corruption, ffff88809dcf9c00->prev is LIST_POISON2 (dead000000000122) [ 90.872191][T10347] ------------[ cut here ]------------ executing program executing program [ 90.877834][T10347] kernel BUG at lib/list_debug.c:48! [ 90.883670][T10351] list_del corruption, ffff88809834b400->prev is LIST_POISON2 (dead000000000122) [ 90.894338][T10354] list_del corruption, ffff8880955db400->prev is LIST_POISON2 (dead000000000122) [ 90.899783][T10347] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 90.904248][T10353] list_del corruption, ffff8880948aec00->prev is LIST_POISON2 (dead000000000122) [ 90.910205][T10347] CPU: 1 PID: 10347 Comm: syz-executor401 Not tainted 5.5.0-rc7-syzkaller #0 [ 90.923450][T10351] ------------[ cut here ]------------ [ 90.928230][T10347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.933706][T10351] kernel BUG at lib/list_debug.c:48! [ 90.943801][T10347] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 90.949739][T10354] ------------[ cut here ]------------ [ 90.955519][T10347] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 69 71 88 e8 e0 de be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 69 71 88 e8 cc de be fd <0f> 0b 4c 89 f6 48 c7 c7 80 6a 71 88 e8 bb de be fd 0f 0b cc cc cc [ 90.961093][T10354] kernel BUG at lib/list_debug.c:48! [ 90.980717][T10347] RSP: 0018:ffffc90002247478 EFLAGS: 00010282 [ 90.990054][T10372] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 90.992303][T10347] RAX: 000000000000004e RBX: ffff88809dcf9c00 RCX: 0000000000000000 [ 90.992310][T10347] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff52000448e81 [ 90.992319][T10347] RBP: ffffc90002247490 R08: 000000000000004e R09: ffffed1015d26621 [ 90.992327][T10347] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: dead000000000122 [ 90.992333][T10347] R13: ffff888097095270 R14: ffff88809dcf9c00 R15: ffff8880a3bee500 [ 90.992349][T10347] FS: 00007f1c681a9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 91.002575][T10353] ------------[ cut here ]------------ [ 91.009882][T10347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.017866][T10353] kernel BUG at lib/list_debug.c:48! [ 91.025962][T10347] CR2: 00007ffc9fe1bc7c CR3: 00000000a486f000 CR4: 00000000001406e0 [ 91.076985][T10347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.085061][T10347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.093146][T10347] Call Trace: [ 91.096440][T10347] __nf_tables_abort+0x1e53/0x2a50 [ 91.101556][T10347] ? nfnl_err_del+0x115/0x170 [ 91.106656][T10347] nf_tables_abort+0x17/0x30 [ 91.111237][T10347] nfnetlink_rcv_batch+0xa5d/0x17a0 [ 91.116488][T10347] ? nf_tables_delobj+0x8f0/0x8f0 [ 91.121635][T10347] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 91.127478][T10347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.134436][T10347] ? apparmor_capable+0x497/0x900 [ 91.139802][T10347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.146123][T10347] ? __nla_validate_parse+0x2d0/0x1ee0 [ 91.151567][T10347] ? cap_capable+0x205/0x270 [ 91.156152][T10347] ? nla_memcpy+0xb0/0xb0 [ 91.160473][T10347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.166714][T10347] ? ns_capable_common+0x93/0x100 [ 91.171741][T10347] ? __nla_parse+0x43/0x60 [ 91.176299][T10347] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.182231][T10347] nfnetlink_rcv+0x3e7/0x460 [ 91.186820][T10347] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 91.193157][T10347] ? netlink_deliver_tap+0x24a/0xbe0 [ 91.198663][T10347] ? __kasan_check_write+0x14/0x20 [ 91.203769][T10347] netlink_unicast+0x58c/0x7d0 [ 91.208542][T10347] ? netlink_attachskb+0x870/0x870 [ 91.213661][T10347] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.219400][T10347] ? __check_object_size+0x3d/0x437 [ 91.224597][T10347] netlink_sendmsg+0x91c/0xea0 [ 91.229362][T10347] ? netlink_unicast+0x7d0/0x7d0 [ 91.234310][T10347] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 91.239865][T10347] ? apparmor_socket_sendmsg+0x2a/0x30 [ 91.245335][T10347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.251592][T10347] ? security_socket_sendmsg+0x8d/0xc0 [ 91.257053][T10347] ? netlink_unicast+0x7d0/0x7d0 [ 91.262093][T10347] sock_sendmsg+0xd7/0x130 [ 91.266513][T10347] ____sys_sendmsg+0x753/0x880 [ 91.271292][T10347] ? kernel_sendmsg+0x50/0x50 [ 91.276006][T10347] ? __fget+0x35d/0x550 [ 91.280211][T10347] ? find_held_lock+0x35/0x130 [ 91.284973][T10347] ___sys_sendmsg+0x100/0x170 [ 91.289666][T10347] ? sendmsg_copy_msghdr+0x70/0x70 [ 91.294791][T10347] ? __kasan_check_read+0x11/0x20 [ 91.299817][T10347] ? __fget+0x37f/0x550 [ 91.303976][T10347] ? ksys_dup3+0x3e0/0x3e0 [ 91.308636][T10347] ? __do_page_fault+0x56a/0xd80 [ 91.313674][T10347] ? __fget_light+0x1a9/0x230 [ 91.318351][T10347] ? __fdget+0x1b/0x20 [ 91.322406][T10347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.328669][T10347] __sys_sendmsg+0x105/0x1d0 [ 91.333642][T10347] ? __sys_sendmsg_sock+0xc0/0xc0 [ 91.338833][T10347] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.344366][T10347] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.349830][T10347] ? do_syscall_64+0x26/0x790 [ 91.354517][T10347] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.360676][T10347] ? do_syscall_64+0x26/0x790 [ 91.365358][T10347] __x64_sys_sendmsg+0x78/0xb0 [ 91.370771][T10347] do_syscall_64+0xfa/0x790 [ 91.375273][T10347] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.381264][T10347] RIP: 0033:0x446d49 [ 91.385163][T10347] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.404794][T10347] RSP: 002b:00007f1c681a8d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.413208][T10347] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446d49 [ 91.421193][T10347] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 91.429369][T10347] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 91.437376][T10347] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 91.445737][T10347] R13: 00000000200002c0 R14: 00000000004aed40 R15: 0000000000000000 [ 91.454687][T10347] Modules linked in: [ 91.458742][T10351] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 91.464829][T10351] CPU: 0 PID: 10351 Comm: syz-executor401 Tainted: G D 5.5.0-rc7-syzkaller #0 [ 91.475093][T10351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.485426][T10351] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 91.491838][T10351] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 69 71 88 e8 e0 de be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 69 71 88 e8 cc de be fd <0f> 0b 4c 89 f6 48 c7 c7 80 6a 71 88 e8 bb de be fd 0f 0b cc cc cc [ 91.512365][T10351] RSP: 0018:ffffc90002297478 EFLAGS: 00010282 [ 91.518538][T10351] RAX: 000000000000004e RBX: ffff88809834b400 RCX: 0000000000000000 [ 91.526515][T10351] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff52000452e81 [ 91.534508][T10351] RBP: ffffc90002297490 R08: 000000000000004e R09: ffffed1015d06621 [ 91.542595][T10351] R10: ffffed1015d06620 R11: ffff8880ae833107 R12: dead000000000122 [ 91.550602][T10351] R13: ffff888096a2f2b0 R14: ffff88809834b400 R15: ffff8880a237f880 [ 91.558596][T10351] FS: 00007f1c681a9700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 91.567519][T10351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.574104][T10351] CR2: 0000000020000280 CR3: 00000000a743c000 CR4: 00000000001406f0 [ 91.582078][T10351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.590162][T10351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.598134][T10351] Call Trace: [ 91.601488][T10351] __nf_tables_abort+0x1e53/0x2a50 [ 91.606599][T10351] ? nfnl_err_del+0x115/0x170 [ 91.611262][T10351] nf_tables_abort+0x17/0x30 [ 91.615852][T10351] nfnetlink_rcv_batch+0xa5d/0x17a0 [ 91.621038][T10351] ? nf_tables_delobj+0x8f0/0x8f0 [ 91.626066][T10351] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 91.631967][T10351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.638386][T10351] ? apparmor_capable+0x497/0x900 [ 91.643551][T10351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.649801][T10351] ? __nla_validate_parse+0x2d0/0x1ee0 [ 91.655450][T10351] ? cap_capable+0x205/0x270 [ 91.660222][T10351] ? nla_memcpy+0xb0/0xb0 [ 91.664688][T10351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.671109][T10351] ? ns_capable_common+0x93/0x100 [ 91.676149][T10351] ? __nla_parse+0x43/0x60 [ 91.680628][T10351] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.686480][T10351] nfnetlink_rcv+0x3e7/0x460 [ 91.691121][T10351] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 91.696575][T10351] ? netlink_deliver_tap+0x24a/0xbe0 [ 91.701917][T10351] ? __kasan_check_write+0x14/0x20 [ 91.707141][T10351] netlink_unicast+0x58c/0x7d0 [ 91.711969][T10351] ? netlink_attachskb+0x870/0x870 [ 91.717076][T10351] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.723157][T10351] ? __check_object_size+0x3d/0x437 [ 91.728481][T10351] netlink_sendmsg+0x91c/0xea0 [ 91.733383][T10351] ? netlink_unicast+0x7d0/0x7d0 [ 91.738677][T10351] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 91.744244][T10351] ? apparmor_socket_sendmsg+0x2a/0x30 [ 91.749708][T10351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.756086][T10351] ? security_socket_sendmsg+0x8d/0xc0 [ 91.761549][T10351] ? netlink_unicast+0x7d0/0x7d0 [ 91.766575][T10351] sock_sendmsg+0xd7/0x130 [ 91.770994][T10351] ____sys_sendmsg+0x753/0x880 [ 91.775840][T10351] ? kernel_sendmsg+0x50/0x50 [ 91.781604][T10351] ? __fget+0x35d/0x550 [ 91.785854][T10351] ? find_held_lock+0x35/0x130 [ 91.791104][T10351] ___sys_sendmsg+0x100/0x170 [ 91.795933][T10351] ? sendmsg_copy_msghdr+0x70/0x70 [ 91.801120][T10351] ? __kasan_check_read+0x11/0x20 [ 91.806537][T10351] ? __fget+0x37f/0x550 [ 91.810703][T10351] ? ksys_dup3+0x3e0/0x3e0 [ 91.815151][T10351] ? __do_page_fault+0x56a/0xd80 [ 91.820142][T10351] ? __fget_light+0x1a9/0x230 [ 91.824842][T10351] ? __fdget+0x1b/0x20 [ 91.828928][T10351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.835432][T10351] __sys_sendmsg+0x105/0x1d0 [ 91.840031][T10351] ? __sys_sendmsg_sock+0xc0/0xc0 [ 91.845079][T10351] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.851014][T10351] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.856486][T10351] ? do_syscall_64+0x26/0x790 [ 91.861182][T10351] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.867257][T10351] ? do_syscall_64+0x26/0x790 [ 91.872039][T10351] __x64_sys_sendmsg+0x78/0xb0 [ 91.876972][T10351] do_syscall_64+0xfa/0x790 [ 91.881838][T10351] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.887819][T10351] RIP: 0033:0x446d49 [ 91.891725][T10351] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.911538][T10351] RSP: 002b:00007f1c681a8d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.919954][T10351] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446d49 [ 91.927947][T10351] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 91.935919][T10351] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 91.944005][T10351] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 91.952102][T10351] R13: 00000000200002c0 R14: 00000000004aed40 R15: 0000000000000000 [ 91.960100][T10351] Modules linked in: [ 91.964193][T10354] invalid opcode: 0000 [#3] PREEMPT SMP KASAN [ 91.970303][T10354] CPU: 1 PID: 10354 Comm: syz-executor401 Tainted: G D 5.5.0-rc7-syzkaller #0 [ 91.980565][T10354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.990781][T10354] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 91.997199][T10354] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 69 71 88 e8 e0 de be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 69 71 88 e8 cc de be fd <0f> 0b 4c 89 f6 48 c7 c7 80 6a 71 88 e8 bb de be fd 0f 0b cc cc cc [ 92.017094][T10354] RSP: 0018:ffffc900022b7478 EFLAGS: 00010282 [ 92.023358][T10354] RAX: 000000000000004e RBX: ffff8880955db400 RCX: 0000000000000000 [ 92.031336][T10354] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff52000456e81 [ 92.039611][T10354] RBP: ffffc900022b7490 R08: 000000000000004e R09: fffffbfff14f69d1 [ 92.047705][T10354] R10: fffffbfff14f69d0 R11: ffffffff8a7b4e87 R12: dead000000000122 [ 92.055806][T10354] R13: ffff8880957db370 R14: ffff8880955db400 R15: ffff8880a237f780 [ 92.063948][T10354] FS: 00007f1c681a9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.073155][T10354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.079948][T10354] CR2: 00007ffc9fe1bc7c CR3: 000000009eee2000 CR4: 00000000001406e0 [ 92.087922][T10354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.096792][T10354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.105600][T10354] Call Trace: [ 92.109019][T10354] __nf_tables_abort+0x1e53/0x2a50 [ 92.115103][T10354] ? nfnl_err_del+0x115/0x170 [ 92.119893][T10354] nf_tables_abort+0x17/0x30 [ 92.124525][T10354] nfnetlink_rcv_batch+0xa5d/0x17a0 [ 92.130746][T10354] ? nf_tables_delobj+0x8f0/0x8f0 [ 92.135895][T10354] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 92.141883][T10354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.148177][T10354] ? apparmor_capable+0x497/0x900 [ 92.153211][T10354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.159505][T10354] ? __nla_validate_parse+0x2d0/0x1ee0 [ 92.165149][T10354] ? cap_capable+0x205/0x270 [ 92.169760][T10354] ? nla_memcpy+0xb0/0xb0 [ 92.174085][T10354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.180345][T10354] ? ns_capable_common+0x93/0x100 [ 92.185394][T10354] ? __nla_parse+0x43/0x60 [ 92.190052][T10354] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 92.195786][T10354] nfnetlink_rcv+0x3e7/0x460 [ 92.200360][T10354] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 92.205817][T10354] ? netlink_deliver_tap+0x24a/0xbe0 [ 92.211110][T10354] ? __kasan_check_write+0x14/0x20 [ 92.216256][T10354] netlink_unicast+0x58c/0x7d0 [ 92.221012][T10354] ? netlink_attachskb+0x870/0x870 [ 92.226126][T10354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 92.232021][T10354] ? __check_object_size+0x3d/0x437 [ 92.237414][T10354] netlink_sendmsg+0x91c/0xea0 [ 92.242411][T10354] ? netlink_unicast+0x7d0/0x7d0 [ 92.247357][T10354] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 92.252998][T10354] ? apparmor_socket_sendmsg+0x2a/0x30 [ 92.258476][T10354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.264778][T10354] ? security_socket_sendmsg+0x8d/0xc0 [ 92.270249][T10354] ? netlink_unicast+0x7d0/0x7d0 [ 92.275202][T10354] sock_sendmsg+0xd7/0x130 [ 92.279779][T10354] ____sys_sendmsg+0x753/0x880 [ 92.284557][T10354] ? kernel_sendmsg+0x50/0x50 [ 92.289225][T10354] ? __fget+0x35d/0x550 [ 92.293386][T10354] ? find_held_lock+0x35/0x130 [ 92.298267][T10354] ___sys_sendmsg+0x100/0x170 [ 92.302943][T10354] ? sendmsg_copy_msghdr+0x70/0x70 [ 92.308158][T10354] ? __kasan_check_read+0x11/0x20 [ 92.313373][T10354] ? __fget+0x37f/0x550 [ 92.317538][T10354] ? ksys_dup3+0x3e0/0x3e0 [ 92.321965][T10354] ? __do_page_fault+0x56a/0xd80 [ 92.326938][T10354] ? __fget_light+0x1a9/0x230 [ 92.332167][T10354] ? __fdget+0x1b/0x20 [ 92.336417][T10354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.342747][T10354] __sys_sendmsg+0x105/0x1d0 [ 92.347504][T10354] ? __sys_sendmsg_sock+0xc0/0xc0 [ 92.352563][T10354] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.358151][T10354] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.363599][T10354] ? do_syscall_64+0x26/0x790 [ 92.368298][T10354] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.374459][T10354] ? do_syscall_64+0x26/0x790 [ 92.379210][T10354] __x64_sys_sendmsg+0x78/0xb0 [ 92.384101][T10354] do_syscall_64+0xfa/0x790 [ 92.389315][T10354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.395302][T10354] RIP: 0033:0x446d49 [ 92.399200][T10354] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.419077][T10354] RSP: 002b:00007f1c681a8d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.427612][T10354] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446d49 [ 92.435640][T10354] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 92.444039][T10354] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 92.452104][T10354] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 92.460208][T10354] R13: 00000000200002c0 R14: 00000000004aed40 R15: 0000000000000000 [ 92.468732][T10354] Modules linked in: [ 92.472685][T10353] invalid opcode: 0000 [#4] PREEMPT SMP KASAN [ 92.478814][T10353] CPU: 0 PID: 10353 Comm: syz-executor401 Tainted: G D 5.5.0-rc7-syzkaller #0 [ 92.488427][T10376] netlink: 20 bytes leftover after parsing attributes in process `syz-executor401'. [ 92.489428][T10353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.489455][T10353] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 92.489469][T10353] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 69 71 88 e8 e0 de be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 69 71 88 e8 cc de be fd <0f> 0b 4c 89 f6 48 c7 c7 80 6a 71 88 e8 bb de be fd 0f 0b cc cc cc [ 92.489484][T10353] RSP: 0018:ffffc900022a7478 EFLAGS: 00010282 [ 92.510236][T10347] ---[ end trace a9a2830f8b7c7043 ]--- [ 92.516586][T10353] RAX: 000000000000004e RBX: ffff8880948aec00 RCX: 0000000000000000 [ 92.516594][T10353] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff52000454e81 [ 92.516600][T10353] RBP: ffffc900022a7490 R08: 000000000000004e R09: fffffbfff14f69d1 [ 92.516607][T10353] R10: fffffbfff14f69d0 R11: ffffffff8a7b4e87 R12: dead000000000122 [ 92.516615][T10353] R13: ffff88808febd2f0 R14: ffff8880948aec00 R15: ffff8880a237f800 [ 92.516626][T10353] FS: 00007f1c681a9700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 92.516634][T10353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.516642][T10353] CR2: 0000000020000280 CR3: 0000000090bc0000 CR4: 00000000001406f0 [ 92.516652][T10353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.516658][T10353] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.516664][T10353] Call Trace: [ 92.516687][T10353] __nf_tables_abort+0x1e53/0x2a50 executing program [ 92.516711][T10353] ? nfnl_err_del+0x115/0x170 [ 92.537108][T10347] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 92.542416][T10353] nf_tables_abort+0x17/0x30 [ 92.542437][T10353] nfnetlink_rcv_batch+0xa5d/0x17a0 [ 92.542453][T10353] ? nf_tables_delobj+0x8f0/0x8f0 [ 92.542470][T10353] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 92.542495][T10353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.548499][T10347] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 69 71 88 e8 e0 de be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 69 71 88 e8 cc de be fd <0f> 0b 4c 89 f6 48 c7 c7 80 6a 71 88 e8 bb de be fd 0f 0b cc cc cc [ 92.556032][T10353] ? apparmor_capable+0x497/0x900 [ 92.556053][T10353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.556068][T10353] ? __nla_validate_parse+0x2d0/0x1ee0 [ 92.556084][T10353] ? cap_capable+0x205/0x270 [ 92.556097][T10353] ? nla_memcpy+0xb0/0xb0 [ 92.556110][T10353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.556124][T10353] ? ns_capable_common+0x93/0x100 [ 92.556143][T10353] ? __nla_parse+0x43/0x60 [ 92.564607][T10347] RSP: 0018:ffffc90002247478 EFLAGS: 00010282 [ 92.572191][T10353] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 92.572213][T10353] nfnetlink_rcv+0x3e7/0x460 [ 92.572230][T10353] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 92.572247][T10353] ? netlink_deliver_tap+0x24a/0xbe0 [ 92.580883][T10347] RAX: 000000000000004e RBX: ffff88809dcf9c00 RCX: 0000000000000000 [ 92.588426][T10353] ? __kasan_check_write+0x14/0x20 [ 92.588445][T10353] netlink_unicast+0x58c/0x7d0 [ 92.588463][T10353] ? netlink_attachskb+0x870/0x870 [ 92.588479][T10353] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 92.588494][T10353] ? __check_object_size+0x3d/0x437 [ 92.588508][T10353] netlink_sendmsg+0x91c/0xea0 [ 92.588522][T10353] ? netlink_unicast+0x7d0/0x7d0 [ 92.588537][T10353] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 92.588558][T10353] ? apparmor_socket_sendmsg+0x2a/0x30 [ 92.597894][T10347] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff52000448e81 [ 92.604085][T10353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.604103][T10353] ? security_socket_sendmsg+0x8d/0xc0 [ 92.604118][T10353] ? netlink_unicast+0x7d0/0x7d0 [ 92.604132][T10353] sock_sendmsg+0xd7/0x130 [ 92.604145][T10353] ____sys_sendmsg+0x753/0x880 [ 92.604157][T10353] ? kernel_sendmsg+0x50/0x50 [ 92.604169][T10353] ? __fget+0x35d/0x550 [ 92.604180][T10353] ? find_held_lock+0x35/0x130 [ 92.604201][T10353] ___sys_sendmsg+0x100/0x170 [ 92.612643][T10347] RBP: ffffc90002247490 R08: 000000000000004e R09: ffffed1015d26621 [ 92.620255][T10353] ? sendmsg_copy_msghdr+0x70/0x70 [ 92.620270][T10353] ? __kasan_check_read+0x11/0x20 [ 92.620285][T10353] ? __fget+0x37f/0x550 [ 92.620300][T10353] ? ksys_dup3+0x3e0/0x3e0 [ 92.620322][T10353] ? __do_page_fault+0x56a/0xd80 [ 92.620336][T10353] ? __fget_light+0x1a9/0x230 [ 92.620355][T10353] ? __fdget+0x1b/0x20 [ 92.629106][T10347] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: dead000000000122 [ 92.632014][T10353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.632034][T10353] __sys_sendmsg+0x105/0x1d0 [ 92.632049][T10353] ? __sys_sendmsg_sock+0xc0/0xc0 [ 92.632064][T10353] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.632090][T10353] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.637976][T10347] R13: ffff888097095270 R14: ffff88809dcf9c00 R15: ffff8880a3bee500 [ 92.641985][T10353] ? do_syscall_64+0x26/0x790 [ 92.642003][T10353] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.642017][T10353] ? do_syscall_64+0x26/0x790 [ 92.642035][T10353] __x64_sys_sendmsg+0x78/0xb0 [ 92.642048][T10353] do_syscall_64+0xfa/0x790 [ 92.642068][T10353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.648935][T10347] FS: 00007f1c681a9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.653068][T10353] RIP: 0033:0x446d49 [ 92.653084][T10353] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.653092][T10353] RSP: 002b:00007f1c681a8d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.653106][T10353] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446d49 [ 92.653114][T10353] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 92.653120][T10353] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 92.653133][T10353] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 92.658989][T10347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.663533][T10353] R13: 00000000200002c0 R14: 00000000004aed40 R15: 0000000000000000 [ 92.663544][T10353] Modules linked in: [ 92.667183][T10372] list_del corruption, ffff888094853800->prev is LIST_POISON2 (dead000000000122) [ 92.670032][T10347] CR2: 00007f7e300211e8 CR3: 00000000a486f000 CR4: 00000000001406e0 [ 92.677881][T10372] ------------[ cut here ]------------ [ 92.698277][T10347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.701092][T10372] kernel BUG at lib/list_debug.c:48! [ 92.701537][T10372] invalid opcode: 0000 [#5] PREEMPT SMP KASAN [ 92.707762][T10347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.712953][T10372] CPU: 0 PID: 10372 Comm: syz-executor401 Tainted: G D 5.5.0-rc7-syzkaller #0 [ 92.712962][T10372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.712988][T10372] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 92.713000][T10372] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 69 71 88 e8 e0 de be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 69 71 88 e8 cc de be fd <0f> 0b 4c 89 f6 48 c7 c7 80 6a 71 88 e8 bb de be fd 0f 0b cc cc cc [ 92.713012][T10372] RSP: 0018:ffffc90002377478 EFLAGS: 00010282 [ 92.718001][T10347] Kernel panic - not syncing: Fatal exception [ 92.721946][T10372] RAX: 000000000000004e RBX: ffff888094853800 RCX: 0000000000000000 [ 93.198475][T10372] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff5200046ee81 [ 93.206657][T10372] RBP: ffffc90002377490 R08: 000000000000004e R09: fffffbfff14f69d1 [ 93.215517][T10372] R10: fffffbfff14f69d0 R11: ffffffff8a7b4e87 R12: dead000000000122 [ 93.223525][T10372] R13: ffff8880954d9330 R14: ffff888094853800 R15: ffff8880a26cc280 [ 93.231571][T10372] FS: 00007f1c68188700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 93.240637][T10372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.247230][T10372] CR2: 0000000020000280 CR3: 00000000a84bb000 CR4: 00000000001406f0 [ 93.255240][T10372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.263221][T10372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.271481][T10372] Call Trace: [ 93.274791][T10372] __nf_tables_abort+0x1e53/0x2a50 [ 93.279911][T10372] ? nfnl_err_del+0x115/0x170 [ 93.284740][T10372] nf_tables_abort+0x17/0x30 [ 93.289370][T10372] nfnetlink_rcv_batch+0xa5d/0x17a0 [ 93.294626][T10372] ? nf_tables_delobj+0x8f0/0x8f0 [ 93.299674][T10372] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 93.305497][T10372] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 93.311323][T10372] ? kasan_kmalloc+0x9/0x10 [ 93.316066][T10372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.322689][T10372] ? apparmor_capable+0x497/0x900 [ 93.327884][T10372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.334146][T10372] ? __nla_validate_parse+0x2d0/0x1ee0 [ 93.339850][T10372] ? cap_capable+0x205/0x270 [ 93.344558][T10372] ? nla_memcpy+0xb0/0xb0 [ 93.348924][T10372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.355193][T10372] ? ns_capable_common+0x93/0x100 [ 93.360363][T10372] ? __nla_parse+0x43/0x60 [ 93.364797][T10372] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 93.370528][T10372] nfnetlink_rcv+0x3e7/0x460 [ 93.375303][T10372] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 93.380795][T10372] ? netlink_deliver_tap+0x24a/0xbe0 [ 93.386451][T10372] ? __kasan_check_write+0x14/0x20 [ 93.391578][T10372] netlink_unicast+0x58c/0x7d0 [ 93.396521][T10372] ? netlink_attachskb+0x870/0x870 [ 93.401807][T10372] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 93.407763][T10372] ? __check_object_size+0x3d/0x437 [ 93.413070][T10372] netlink_sendmsg+0x91c/0xea0 [ 93.417853][T10372] ? netlink_unicast+0x7d0/0x7d0 [ 93.422811][T10372] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 93.428407][T10372] ? apparmor_socket_sendmsg+0x2a/0x30 [ 93.433892][T10372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.440149][T10372] ? security_socket_sendmsg+0x8d/0xc0 [ 93.445622][T10372] ? netlink_unicast+0x7d0/0x7d0 [ 93.450573][T10372] sock_sendmsg+0xd7/0x130 [ 93.455006][T10372] ____sys_sendmsg+0x753/0x880 [ 93.459860][T10372] ? kernel_sendmsg+0x50/0x50 [ 93.464579][T10372] ___sys_sendmsg+0x100/0x170 [ 93.469451][T10372] ? sendmsg_copy_msghdr+0x70/0x70 [ 93.474784][T10372] ? __fget+0x37f/0x550 [ 93.479001][T10372] ? ksys_dup3+0x3e0/0x3e0 [ 93.483431][T10372] ? __do_page_fault+0x56a/0xd80 [ 93.488385][T10372] ? __kasan_check_read+0x11/0x20 [ 93.493433][T10372] ? __fget_light+0x1a9/0x230 [ 93.498148][T10372] ? __fdget+0x1b/0x20 [ 93.502232][T10372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.508491][T10372] __sys_sendmsg+0x105/0x1d0 [ 93.513252][T10372] ? __sys_sendmsg_sock+0xc0/0xc0 [ 93.518542][T10372] ? down_read_non_owner+0x490/0x490 [ 93.523935][T10372] ? switch_fpu_return+0x1f9/0x4f0 [ 93.529068][T10372] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 93.535289][T10372] __x64_sys_sendmsg+0x78/0xb0 [ 93.540075][T10372] do_syscall_64+0xfa/0x790 [ 93.544602][T10372] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.550595][T10372] RIP: 0033:0x446d49 [ 93.554506][T10372] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.574620][T10372] RSP: 002b:00007f1c68187d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 93.583356][T10372] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446d49 [ 93.591787][T10372] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 93.599944][T10372] RBP: 00000000006dbc30 R08: 00007f1c68188700 R09: 0000000000000000 [ 93.608027][T10372] R10: 00007f1c68188700 R11: 0000000000000246 R12: 00000000006dbc3c [ 93.616096][T10372] R13: 00000000200002c0 R14: 00000000004aed40 R15: 0000000000000000 [ 93.624433][T10372] Modules linked in: [ 93.629868][T10347] Kernel Offset: disabled [ 93.634246][T10347] Rebooting in 86400 seconds..