[ 86.910989][ T27] audit: type=1400 audit(1577553855.581:38): avc: denied { watch } for pid=9545 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 87.154059][ T27] audit: type=1800 audit(1577553855.861:39): pid=9450 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 87.176846][ T27] audit: type=1800 audit(1577553855.871:40): pid=9450 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [ 87.849930][ T27] audit: type=1400 audit(1577553856.561:41): avc: denied { map } for pid=9629 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 94.384056][ T27] audit: type=1400 audit(1577553863.091:42): avc: denied { map } for pid=9641 comm="syz-executor055" path="/root/syz-executor055980665" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program [ 99.394527][ T9644] ------------[ cut here ]------------ [ 99.400135][ T9644] ODEBUG: free active (active state 0) object type: timer_list hint: rfcomm_dlc_timeout+0x0/0xe0 [ 99.410883][ T9644] WARNING: CPU: 1 PID: 9644 at lib/debugobjects.c:481 debug_print_object+0x168/0x250 [ 99.420323][ T9644] Kernel panic - not syncing: panic_on_warn set ... [ 99.426916][ T9644] CPU: 1 PID: 9644 Comm: syz-executor055 Not tainted 5.5.0-rc3-syzkaller #0 [ 99.435593][ T9644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.445755][ T9644] Call Trace: [ 99.449042][ T9644] dump_stack+0x197/0x210 [ 99.453364][ T9644] ? debug_print_object+0x90/0x250 [ 99.458462][ T9644] panic+0x2e3/0x75c [ 99.462397][ T9644] ? add_taint.cold+0x16/0x16 [ 99.467074][ T9644] ? __kasan_check_write+0x14/0x20 [ 99.472180][ T9644] ? __warn.cold+0x14/0x3e [ 99.476635][ T9644] ? __warn+0xd9/0x1cf [ 99.480726][ T9644] ? debug_print_object+0x168/0x250 [ 99.485932][ T9644] __warn.cold+0x2f/0x3e [ 99.490162][ T9644] ? debug_print_object+0x168/0x250 [ 99.495870][ T9644] report_bug+0x289/0x300 [ 99.500188][ T9644] do_error_trap+0x11b/0x200 [ 99.504942][ T9644] do_invalid_op+0x37/0x50 [ 99.509403][ T9644] ? debug_print_object+0x168/0x250 [ 99.514600][ T9644] invalid_op+0x23/0x30 [ 99.518754][ T9644] RIP: 0010:debug_print_object+0x168/0x250 [ 99.524596][ T9644] Code: dd 80 14 70 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 80 14 70 88 48 c7 c7 e0 09 70 88 e8 87 80 b2 fd <0f> 0b 83 05 53 79 e6 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 99.544399][ T9644] RSP: 0018:ffffc90001d778b8 EFLAGS: 00010082 [ 99.550452][ T9644] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 99.558506][ T9644] RDX: 0000000000000000 RSI: ffffffff815e8b56 RDI: fffff520003aef09 [ 99.566491][ T9644] RBP: ffffc90001d778f8 R08: ffff88807cefa200 R09: ffffed1015d245c9 [ 99.574618][ T9644] R10: ffffed1015d245c8 R11: ffff8880ae922e43 R12: 0000000000000001 [ 99.582684][ T9644] R13: ffffffff899afae0 R14: ffffffff81645b00 R15: ffff8880a88bb850 [ 99.590675][ T9644] ? calc_wheel_index+0x220/0x220 [ 99.595710][ T9644] ? vprintk_func+0x86/0x189 [ 99.600324][ T9644] ? debug_print_object+0x168/0x250 [ 99.605530][ T9644] debug_check_no_obj_freed+0x2d4/0x43f [ 99.611065][ T9644] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.616614][ T9644] kfree+0xf8/0x2c0 [ 99.620412][ T9644] rfcomm_dlc_free+0x20/0x30 [ 99.624997][ T9644] rfcomm_dev_ioctl+0x1b9d/0x1e80 [ 99.630016][ T9644] ? mark_held_locks+0xa4/0xf0 [ 99.634765][ T9644] ? lock_sock_nested+0xe2/0x120 [ 99.639746][ T9644] ? rfcomm_tty_install+0x1e0/0x1e0 [ 99.645046][ T9644] ? lock_sock_nested+0x9a/0x120 [ 99.650167][ T9644] ? trace_hardirqs_on+0x67/0x240 [ 99.655215][ T9644] ? __local_bh_enable_ip+0x15a/0x270 [ 99.660588][ T9644] rfcomm_sock_ioctl+0x90/0xb0 [ 99.665352][ T9644] sock_do_ioctl+0xd8/0x2f0 [ 99.669858][ T9644] ? compat_ifr_data_ioctl+0x160/0x160 [ 99.675433][ T9644] ? tomoyo_path_number_perm+0x454/0x520 [ 99.681067][ T9644] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 99.687296][ T9644] ? tomoyo_path_number_perm+0x25e/0x520 [ 99.692917][ T9644] sock_ioctl+0x3ed/0x790 [ 99.697271][ T9644] ? dlci_ioctl_set+0x40/0x40 [ 99.701944][ T9644] ? ___might_sleep+0x163/0x2c0 [ 99.706788][ T9644] ? dlci_ioctl_set+0x40/0x40 [ 99.711453][ T9644] do_vfs_ioctl+0x977/0x14e0 [ 99.716120][ T9644] ? compat_ioctl_preallocate+0x220/0x220 [ 99.721837][ T9644] ? selinux_file_mprotect+0x620/0x620 [ 99.727290][ T9644] ? __sanitizer_cov_trace_cmp4+0x1b/0x20 [ 99.733024][ T9644] ? __fd_install+0x1fb/0x640 [ 99.737728][ T9644] ? tomoyo_file_ioctl+0x23/0x30 [ 99.742657][ T9644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.748946][ T9644] ? security_file_ioctl+0x8d/0xc0 [ 99.754103][ T9644] ksys_ioctl+0xab/0xd0 [ 99.758309][ T9644] __x64_sys_ioctl+0x73/0xb0 [ 99.762942][ T9644] do_syscall_64+0xfa/0x790 [ 99.767483][ T9644] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.773376][ T9644] RIP: 0033:0x4412b9 [ 99.777255][ T9644] 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 [ 99.796861][ T9644] RSP: 002b:00007ffd26a94098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 99.805264][ T9644] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 99.813269][ T9644] RDX: 0000000020000100 RSI: 00000000400452c8 RDI: 0000000000000004 [ 99.821282][ T9644] RBP: 0000000000018423 R08: 00000000004002c8 R09: 00000000004002c8 [ 99.829242][ T9644] R10: 00000000004002c8 R11: 0000000000000246 R12: 00000000004020e0 [ 99.837202][ T9644] R13: 0000000000402170 R14: 0000000000000000 R15: 0000000000000000 [ 99.846580][ T9644] Kernel Offset: disabled [ 99.850985][ T9644] Rebooting in 86400 seconds..