[ 45.063424] audit: type=1800 audit(1582478692.678:29): pid=8209 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2447 res=0 [ 45.116704] audit: type=1800 audit(1582478692.678:30): pid=8209 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?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 '10.128.0.144' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 54.641841] kauditd_printk_skb: 5 callbacks suppressed [ 54.641858] audit: type=1400 audit(1582478702.248:36): avc: denied { map } for pid=8394 comm="syz-executor628" path="/root/syz-executor628868630" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 54.676422] audit: audit_lost=1 audit_rate_limit=2 audit_backlog_limit=0 [ 54.683445] Kernel panic - not syncing: audit: rate limit exceeded [ 54.683445] [ 54.683489] audit: type=1305 audit(1582478702.268:37): audit_failure=2 old=1 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 54.691279] CPU: 0 PID: 8396 Comm: syz-executor628 Not tainted 4.19.105-syzkaller #0 [ 54.691292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.691296] Call Trace: [ 54.691325] dump_stack+0x197/0x210 [ 54.691345] panic+0x26a/0x50e [ 54.712294] audit: type=1305 audit(1582478702.268:38): audit_pid=0 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 54.715984] ? __warn_printk+0xf3/0xf3 [ 54.716002] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 54.716019] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 54.716032] ? audit_panic+0x24/0x70 [ 54.716049] audit_panic.cold+0x32/0x32 [ 54.716063] audit_log_lost+0x8b/0x180 [ 54.716082] audit_log_end+0x242/0x2b0 [ 54.726347] audit: type=1305 audit(1582478702.268:39): audit_rate_limit=2 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 54.728297] audit_log_config_change+0x9a/0xc0 [ 54.728314] audit_receive_msg+0x2029/0x2590 [ 54.728334] ? audit_log_feature_change.part.0+0x160/0x160 [ 54.732086] audit: type=1305 audit(1582478702.268:40): audit_backlog_limit=0 old=64 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 54.735209] ? mutex_trylock+0x1e0/0x1e0 [ 54.735225] ? netlink_deliver_tap+0x22d/0xc20 [ 54.735246] ? lock_downgrade+0x880/0x880 [ 54.735274] audit_receive+0x11a/0x240 [ 54.735287] ? netlink_skb_set_owner_r+0x18e/0x200 [ 54.735306] netlink_unicast+0x53a/0x730 [ 54.750654] audit: type=1305 audit(1582478702.288:41): audit_enabled=1 old=1 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 54.753888] ? netlink_attachskb+0x770/0x770 [ 54.753907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.753926] netlink_sendmsg+0x8ae/0xd70 [ 54.753945] ? netlink_unicast+0x730/0x730 [ 54.753966] ? selinux_socket_sendmsg+0x36/0x40 [ 54.759338] audit: type=1305 audit(1582478702.288:42): audit_failure=2 old=2 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 54.763876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.763904] ? security_socket_sendmsg+0x8d/0xc0 [ 54.763926] ? netlink_unicast+0x730/0x730 [ 54.763949] sock_sendmsg+0xd7/0x130 [ 54.763970] ___sys_sendmsg+0x803/0x920 [ 54.763985] ? copy_msghdr_from_user+0x430/0x430 [ 54.764011] ? __audit_syscall_entry+0x3f2/0x530 [ 54.764031] ? find_held_lock+0x35/0x130 [ 54.939988] ? __audit_syscall_entry+0x3f2/0x530 [ 54.944744] ? ktime_get_coarse_real_ts64+0xf0/0x2b0 [ 54.949858] ? __audit_syscall_entry+0x3f2/0x530 [ 54.954625] ? ktime_get_coarse_real_ts64+0xf0/0x2b0 [ 54.959746] ? lockdep_hardirqs_on+0x415/0x5d0 [ 54.964334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.969898] ? __fget_light+0x1a9/0x230 [ 54.973882] ? __fdget+0x1b/0x20 [ 54.977244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.982782] __sys_sendmsg+0x105/0x1d0 [ 54.986675] ? __ia32_sys_shutdown+0x80/0x80 [ 54.991107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.996653] ? syscall_trace_enter+0x40c/0xe40 [ 55.001243] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.006025] ? do_syscall_64+0x26/0x620 [ 55.010025] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.015402] ? do_syscall_64+0x26/0x620 [ 55.019382] __x64_sys_sendmsg+0x78/0xb0 [ 55.023449] do_syscall_64+0xfd/0x620 [ 55.027256] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.032613] RIP: 0033:0x441239 [ 55.035812] Code: e8 fc ab 02 00 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 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.063320] RSP: 002b:00007ffe06e59a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 55.072232] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441239 [ 55.079516] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 55.086896] RBP: 000000000000d552 R08: 00000000004002c8 R09: 00000000004002c8 [ 55.094166] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402060 [ 55.101441] R13: 00000000004020f0 R14: 0000000000000000 R15: 0000000000000000 [ 55.110006] Kernel Offset: disabled [ 55.113683] Rebooting in 86400 seconds..