[ 83.145354][ T27] audit: type=1800 audit(1579125033.206:26): pid=9508 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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. [ 83.943519][ T27] kauditd_printk_skb: 2 callbacks suppressed [ 83.943534][ T27] audit: type=1800 audit(1579125034.036:29): pid=9508 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 [ 83.970424][ T27] audit: type=1800 audit(1579125034.046:30): pid=9508 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 '10.128.0.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 94.013613][ T9660] netlink: 760 bytes leftover after parsing attributes in process `syz-executor330'. [ 94.055390][ T9660] ------------[ cut here ]------------ [ 94.060878][ T9660] truncated: 'nft-expr-0-LMMR~*{F DcHc(?V' (len 209) [ 94.061224][ T9660] WARNING: CPU: 1 PID: 9660 at net/netfilter/nf_tables_api.c:588 nft_request_module+0x189/0x1a0 [ 94.080768][ T9660] Kernel panic - not syncing: panic_on_warn set ... [ 94.087346][ T9660] CPU: 1 PID: 9660 Comm: syz-executor330 Not tainted 5.5.0-rc5-syzkaller #0 [ 94.096111][ T9660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.106159][ T9660] Call Trace: [ 94.109638][ T9660] dump_stack+0x197/0x210 [ 94.113974][ T9660] ? nft_request_module+0x170/0x1a0 [ 94.119199][ T9660] panic+0x2e3/0x75c [ 94.123101][ T9660] ? add_taint.cold+0x16/0x16 [ 94.127794][ T9660] ? __kasan_check_write+0x14/0x20 [ 94.132887][ T9660] ? __warn.cold+0x14/0x3e [ 94.137303][ T9660] ? __warn+0xd9/0x1cf [ 94.141401][ T9660] ? nft_request_module+0x189/0x1a0 [ 94.146640][ T9660] __warn.cold+0x2f/0x3e [ 94.150931][ T9660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 94.156653][ T9660] ? nft_request_module+0x189/0x1a0 [ 94.161915][ T9660] report_bug+0x289/0x300 [ 94.166259][ T9660] do_error_trap+0x11b/0x200 [ 94.170917][ T9660] do_invalid_op+0x37/0x50 [ 94.175344][ T9660] ? nft_request_module+0x189/0x1a0 [ 94.180534][ T9660] invalid_op+0x23/0x30 [ 94.184797][ T9660] RIP: 0010:nft_request_module+0x189/0x1a0 [ 94.190609][ T9660] Code: 00 75 2b 48 81 c4 10 01 00 00 5b 41 5c 41 5d 5d c3 e8 3b f1 09 fb 44 89 ea 48 c7 c7 80 de dc 88 48 8d 74 24 60 e8 b6 a0 da fa <0f> 0b eb 9a e8 8e 9b da fa 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 [ 94.210369][ T9660] RSP: 0018:ffffc90002047188 EFLAGS: 00010282 [ 94.216466][ T9660] RAX: 0000000000000000 RBX: ffffffff8a4c9840 RCX: 0000000000000000 [ 94.224421][ T9660] RDX: 0000000000000000 RSI: ffffffff815e5e56 RDI: fffff52000408e23 [ 94.232675][ T9660] RBP: ffffc900020472b0 R08: ffff8880933223c0 R09: fffffbfff165f7b2 [ 94.240647][ T9660] R10: fffffbfff165f7b1 R11: ffffffff8b2fbd8f R12: 1ffff92000408e31 [ 94.248617][ T9660] R13: 00000000000000d1 R14: ffffffff8a4c9840 R15: ffffc900020473a0 [ 94.256604][ T9660] ? vprintk_func+0x86/0x189 [ 94.261330][ T9660] ? nft_request_module+0x189/0x1a0 [ 94.266522][ T9660] ? __nf_tables_abort+0x2a50/0x2a50 [ 94.271898][ T9660] ? __nla_validate_parse+0x2d0/0x1ee0 [ 94.277515][ T9660] nft_expr_type_request_module+0x65/0xb0 [ 94.283352][ T9660] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 94.289784][ T9660] nf_tables_expr_parse+0x4e4/0x6b0 [ 94.295052][ T9660] ? nft_expr_type_request_module+0xb0/0xb0 [ 94.301105][ T9660] ? kasan_kmalloc+0x9/0x10 [ 94.305605][ T9660] ? __kmalloc_node+0x4e/0x70 [ 94.310300][ T9660] nf_tables_newrule+0x72b/0x2400 [ 94.315335][ T9660] ? nf_tables_abort+0x30/0x30 [ 94.320266][ T9660] ? nla_memcpy+0xb0/0xb0 [ 94.324604][ T9660] ? __nla_parse+0x43/0x60 [ 94.329020][ T9660] nfnetlink_rcv_batch+0xf42/0x17a0 [ 94.334328][ T9660] ? nf_tables_abort+0x30/0x30 [ 94.339207][ T9660] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 94.345027][ T9660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.351269][ T9660] ? apparmor_capable+0x497/0x900 [ 94.356426][ T9660] ? __nla_validate_parse+0x2d0/0x1ee0 [ 94.361881][ T9660] ? cap_capable+0x205/0x270 [ 94.366516][ T9660] ? nla_memcpy+0xb0/0xb0 [ 94.370834][ T9660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.377246][ T9660] ? ns_capable_common+0x93/0x100 [ 94.382313][ T9660] ? __nla_parse+0x43/0x60 [ 94.386719][ T9660] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 94.392486][ T9660] nfnetlink_rcv+0x3e7/0x460 [ 94.397199][ T9660] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 94.402713][ T9660] ? netlink_deliver_tap+0x24a/0xbf0 [ 94.407989][ T9660] ? __kasan_check_write+0x14/0x20 [ 94.413088][ T9660] netlink_unicast+0x59e/0x7e0 [ 94.417861][ T9660] ? netlink_attachskb+0x870/0x870 [ 94.423095][ T9660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 94.430013][ T9660] ? __check_object_size+0x3d/0x437 [ 94.435242][ T9660] netlink_sendmsg+0x91c/0xea0 [ 94.440024][ T9660] ? netlink_unicast+0x7e0/0x7e0 [ 94.445002][ T9660] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 94.450633][ T9660] ? apparmor_socket_sendmsg+0x2a/0x30 [ 94.456144][ T9660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.462418][ T9660] ? security_socket_sendmsg+0x8d/0xc0 [ 94.467934][ T9660] ? netlink_unicast+0x7e0/0x7e0 [ 94.472863][ T9660] sock_sendmsg+0xd7/0x130 [ 94.477322][ T9660] ____sys_sendmsg+0x753/0x880 [ 94.482160][ T9660] ? kernel_sendmsg+0x50/0x50 [ 94.486880][ T9660] ? lockdep_init_map+0x1be/0x6d0 [ 94.491895][ T9660] ___sys_sendmsg+0x100/0x170 [ 94.496556][ T9660] ? sendmsg_copy_msghdr+0x70/0x70 [ 94.501670][ T9660] ? __kasan_check_read+0x11/0x20 [ 94.506685][ T9660] ? __lock_acquire+0x8a0/0x4a00 [ 94.512300][ T9660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.518541][ T9660] ? __this_cpu_preempt_check+0x35/0x190 [ 94.524160][ T9660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.530433][ T9660] ? percpu_counter_add_batch+0x13c/0x190 [ 94.536208][ T9660] ? __fd_install+0x1bc/0x640 [ 94.540965][ T9660] ? find_held_lock+0x35/0x130 [ 94.545790][ T9660] ? __fd_install+0x1bc/0x640 [ 94.550458][ T9660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.556705][ T9660] ? __fget_light+0x1a9/0x230 [ 94.561435][ T9660] ? __fdget+0x1b/0x20 [ 94.565642][ T9660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.571879][ T9660] __sys_sendmsg+0x105/0x1d0 [ 94.576475][ T9660] ? __sys_sendmsg_sock+0xc0/0xc0 [ 94.581503][ T9660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 94.586956][ T9660] ? do_syscall_64+0x26/0x790 [ 94.591614][ T9660] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.597674][ T9660] ? do_syscall_64+0x26/0x790 [ 94.602448][ T9660] __x64_sys_sendmsg+0x78/0xb0 [ 94.607318][ T9660] do_syscall_64+0xfa/0x790 [ 94.611811][ T9660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.617803][ T9660] RIP: 0033:0x440619 [ 94.623098][ T9660] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.644071][ T9660] RSP: 002b:00007ffc3a794c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.652543][ T9660] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440619 [ 94.660552][ T9660] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005 [ 94.668541][ T9660] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 94.676521][ T9660] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401ea0 [ 94.684516][ T9660] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 94.694219][ T9660] Kernel Offset: disabled [ 94.698631][ T9660] Rebooting in 86400 seconds..