[ 68.861943][ T27] audit: type=1800 audit(1579130012.180:24): pid=9649 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 69.486238][ T27] audit: type=1800 audit(1579130012.950:25): pid=9649 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 69.507788][ T27] audit: type=1800 audit(1579130012.950:26): pid=9649 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.846951][ T9801] netlink: 760 bytes leftover after parsing attributes in process `syz-executor961'. [ 77.892515][ T9801] ------------[ cut here ]------------ [ 77.898137][ T9801] truncated: 'nft-expr-0-LMMR~*{F DcHc(?V' (len 209) [ 77.898482][ T9801] WARNING: CPU: 0 PID: 9801 at net/netfilter/nf_tables_api.c:588 nft_request_module+0x189/0x1a0 [ 77.918354][ T9801] Kernel panic - not syncing: panic_on_warn set ... [ 77.925042][ T9801] CPU: 0 PID: 9801 Comm: syz-executor961 Not tainted 5.5.0-rc5-syzkaller #0 [ 77.934454][ T9801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.944779][ T9801] Call Trace: [ 77.948711][ T9801] dump_stack+0x197/0x210 [ 77.953040][ T9801] ? nft_request_module+0x110/0x1a0 [ 77.958329][ T9801] panic+0x2e3/0x75c [ 77.962338][ T9801] ? add_taint.cold+0x16/0x16 [ 77.967014][ T9801] ? __kasan_check_write+0x14/0x20 [ 77.972124][ T9801] ? __warn.cold+0x14/0x3e [ 77.976531][ T9801] ? __warn+0xd9/0x1cf [ 77.980585][ T9801] ? nft_request_module+0x189/0x1a0 [ 77.985806][ T9801] __warn.cold+0x2f/0x3e [ 77.990150][ T9801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.995977][ T9801] ? nft_request_module+0x189/0x1a0 [ 78.001174][ T9801] report_bug+0x289/0x300 [ 78.005580][ T9801] do_error_trap+0x11b/0x200 [ 78.010185][ T9801] do_invalid_op+0x37/0x50 [ 78.014806][ T9801] ? nft_request_module+0x189/0x1a0 [ 78.020091][ T9801] invalid_op+0x23/0x30 [ 78.024349][ T9801] RIP: 0010:nft_request_module+0x189/0x1a0 [ 78.030149][ T9801] Code: 00 75 2b 48 81 c4 10 01 00 00 5b 41 5c 41 5d 5d c3 e8 2b 4a 0e fb 44 89 ea 48 c7 c7 60 76 dc 88 48 8d 74 24 60 e8 a6 f9 de fa <0f> 0b eb 9a e8 7e f4 de fa 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 [ 78.050300][ T9801] RSP: 0018:ffffc90001df7188 EFLAGS: 00010282 [ 78.056426][ T9801] RAX: 0000000000000000 RBX: ffffffff8a4c6040 RCX: 0000000000000000 [ 78.064458][ T9801] RDX: 0000000000000000 RSI: ffffffff815e53a6 RDI: fffff520003bee23 [ 78.072486][ T9801] RBP: ffffc90001df72b0 R08: ffff88808cc824c0 R09: fffffbfff165e7b2 [ 78.080560][ T9801] R10: fffffbfff165e7b1 R11: ffffffff8b2f3d8f R12: 1ffff920003bee31 [ 78.089237][ T9801] R13: 00000000000000d1 R14: ffffffff8a4c6040 R15: ffffc90001df73a0 [ 78.097213][ T9801] ? vprintk_func+0x86/0x189 [ 78.101825][ T9801] ? nft_request_module+0x189/0x1a0 [ 78.107075][ T9801] ? __nf_tables_abort+0x2a50/0x2a50 [ 78.112500][ T9801] ? __nla_validate_parse+0x2d0/0x1ee0 [ 78.117975][ T9801] nft_expr_type_request_module+0x65/0xb0 [ 78.123704][ T9801] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.129944][ T9801] nf_tables_expr_parse+0x4e4/0x6b0 [ 78.135198][ T9801] ? nft_expr_type_request_module+0xb0/0xb0 [ 78.141108][ T9801] ? kasan_kmalloc+0x9/0x10 [ 78.145615][ T9801] ? __kmalloc_node+0x4e/0x70 [ 78.150297][ T9801] nf_tables_newrule+0x72b/0x2400 [ 78.155322][ T9801] ? nf_tables_abort+0x30/0x30 [ 78.160153][ T9801] ? nla_memcpy+0xb0/0xb0 [ 78.164482][ T9801] ? __nla_parse+0x43/0x60 [ 78.168917][ T9801] nfnetlink_rcv_batch+0xf42/0x17a0 [ 78.174163][ T9801] ? nf_tables_abort+0x30/0x30 [ 78.178948][ T9801] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 78.184922][ T9801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.191159][ T9801] ? apparmor_capable+0x497/0x900 [ 78.196247][ T9801] ? __nla_validate_parse+0x2d0/0x1ee0 [ 78.201761][ T9801] ? cap_capable+0x205/0x270 [ 78.206355][ T9801] ? nla_memcpy+0xb0/0xb0 [ 78.210686][ T9801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.216920][ T9801] ? ns_capable_common+0x93/0x100 [ 78.221935][ T9801] ? __nla_parse+0x43/0x60 [ 78.226435][ T9801] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 78.232260][ T9801] nfnetlink_rcv+0x3e7/0x460 [ 78.236841][ T9801] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 78.242305][ T9801] ? netlink_deliver_tap+0x24a/0xbe0 [ 78.247735][ T9801] ? __kasan_check_write+0x14/0x20 [ 78.253066][ T9801] netlink_unicast+0x58c/0x7d0 [ 78.257826][ T9801] ? netlink_attachskb+0x870/0x870 [ 78.262936][ T9801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.270907][ T9801] ? __check_object_size+0x3d/0x437 [ 78.276106][ T9801] netlink_sendmsg+0x91c/0xea0 [ 78.280862][ T9801] ? netlink_unicast+0x7d0/0x7d0 [ 78.285792][ T9801] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 78.291646][ T9801] ? apparmor_socket_sendmsg+0x2a/0x30 [ 78.297094][ T9801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.303349][ T9801] ? security_socket_sendmsg+0x8d/0xc0 [ 78.308808][ T9801] ? netlink_unicast+0x7d0/0x7d0 [ 78.313744][ T9801] sock_sendmsg+0xd7/0x130 [ 78.318168][ T9801] ____sys_sendmsg+0x753/0x880 [ 78.323034][ T9801] ? kernel_sendmsg+0x50/0x50 [ 78.328001][ T9801] ? lockdep_init_map+0x1be/0x6d0 [ 78.333120][ T9801] ___sys_sendmsg+0x100/0x170 [ 78.337808][ T9801] ? sendmsg_copy_msghdr+0x70/0x70 [ 78.342914][ T9801] ? __kasan_check_read+0x11/0x20 [ 78.347957][ T9801] ? __lock_acquire+0x8a0/0x4a00 [ 78.352889][ T9801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.359156][ T9801] ? __this_cpu_preempt_check+0x35/0x190 [ 78.364783][ T9801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.371101][ T9801] ? percpu_counter_add_batch+0x13c/0x190 [ 78.377024][ T9801] ? __fd_install+0x1bc/0x640 [ 78.381750][ T9801] ? find_held_lock+0x35/0x130 [ 78.386535][ T9801] ? __fd_install+0x1bc/0x640 [ 78.391209][ T9801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.397476][ T9801] ? __fget_light+0x1a9/0x230 [ 78.402154][ T9801] ? __fdget+0x1b/0x20 [ 78.406315][ T9801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.412581][ T9801] __sys_sendmsg+0x105/0x1d0 [ 78.417156][ T9801] ? __sys_sendmsg_sock+0xc0/0xc0 [ 78.422175][ T9801] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.427636][ T9801] ? do_syscall_64+0x26/0x790 [ 78.432325][ T9801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.438390][ T9801] ? do_syscall_64+0x26/0x790 [ 78.443061][ T9801] __x64_sys_sendmsg+0x78/0xb0 [ 78.447967][ T9801] do_syscall_64+0xfa/0x790 [ 78.452459][ T9801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.458335][ T9801] RIP: 0033:0x440619 [ 78.462221][ T9801] 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 [ 78.481843][ T9801] RSP: 002b:00007fff9951ce88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.490261][ T9801] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440619 [ 78.498234][ T9801] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005 [ 78.506205][ T9801] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 78.514166][ T9801] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401ea0 [ 78.522197][ T9801] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 78.531734][ T9801] Kernel Offset: disabled [ 78.536160][ T9801] Rebooting in 86400 seconds..