[....] Starting enhanced syslogd: rsyslogd[ 11.365607] audit: type=1400 audit(1514041798.480:5): avc: denied { syslog } for pid=2993 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] 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 syzkaller login: [ 16.635774] audit: type=1400 audit(1514041803.750:6): avc: denied { map } for pid=3132 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 Warning: Permanently added 'ci-upstream-kasan-gce-386-4,10.128.15.199' (ECDSA) to the list of known hosts. [ 22.766828] audit: type=1400 audit(1514041809.881:7): avc: denied { map } for pid=3146 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/23 15:10:09 parsed 1 programs 2017/12/23 15:10:09 executed programs: 0 [ 22.879792] audit: type=1400 audit(1514041809.994:8): avc: denied { map } for pid=3146 comm="syz-execprog" path="/root/syzkaller-shm432318029" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 22.905423] audit: type=1400 audit(1514041809.994:9): avc: denied { sys_admin } for pid=3151 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 22.988421] audit: type=1400 audit(1514041810.103:10): avc: denied { sys_chroot } for pid=3154 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 22.993106] FAULT_INJECTION: forcing a failure. [ 22.993106] name failslab, interval 1, probability 0, space 0, times 1 [ 22.993120] CPU: 1 PID: 3155 Comm: syz-executor0 Not tainted 4.15.0-rc4+ #145 [ 22.993124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.993127] Call Trace: [ 22.993140] dump_stack+0x194/0x257 [ 22.993153] ? arch_local_irq_restore+0x53/0x53 [ 22.993163] ? is_bpf_text_address+0xa4/0x120 [ 22.993186] should_fail+0x8c0/0xa40 [ 22.993204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 22.993217] ? check_noncircular+0x20/0x20 [ 22.993231] ? tty_ldisc_put+0x4c/0x70 [ 22.993239] ? save_stack+0xa3/0xd0 [ 22.993256] ? find_held_lock+0x35/0x1d0 [ 22.993272] ? __lock_is_held+0xb6/0x140 [ 22.993301] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 22.993307] ? lock_downgrade+0x980/0x980 [ 22.993319] ? rcu_note_context_switch+0x710/0x710 [ 22.993324] ? lock_release+0xa40/0xa40 [ 22.993330] ? lock_release+0xa40/0xa40 [ 22.993348] should_failslab+0xec/0x120 [ 22.993359] kmem_cache_alloc_trace+0x4b/0x750 [ 22.993368] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 22.993377] ? trace_hardirqs_on+0xd/0x10 [ 22.993394] tty_ldisc_get.part.3+0x66/0x140 [ 22.993405] tty_set_ldisc+0x64d/0x7a0 [ 22.993423] tty_ioctl+0x492/0x1610 [ 22.993435] ? tty_vhangup+0x30/0x30 [ 22.993443] ? ldsem_down_read+0x37/0x40 [ 22.993459] ? check_noncircular+0x20/0x20 [ 22.993466] ? lock_release+0xa40/0xa40 [ 22.993476] ? map_files_get_link+0x3a0/0x3a0 [ 22.993512] ? find_held_lock+0x35/0x1d0 [ 22.993530] ? tty_vhangup+0x30/0x30 [ 22.993539] do_vfs_ioctl+0x1b1/0x1520 [ 22.993547] ? lock_downgrade+0x980/0x980 [ 22.993560] ? ioctl_preallocate+0x2b0/0x2b0 [ 22.993566] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 22.993578] ? rcu_note_context_switch+0x710/0x710 [ 22.993605] ? ldsem_up_read+0x3a/0x70 [ 22.993615] ? tty_ldisc_deref+0x35/0x40 [ 22.993623] ? tty_compat_ioctl+0x119/0x260 [ 22.993637] compat_SyS_ioctl+0x4ef/0x2a30 [ 22.993653] ? do_ioctl+0x60/0x60 [ 22.993664] do_fast_syscall_32+0x3ee/0xf9d [ 22.993683] ? do_int80_syscall_32+0x9d0/0x9d0 [ 22.993691] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 22.993708] ? syscall_return_slowpath+0x2ad/0x550 [ 22.993716] ? prepare_exit_to_usermode+0x340/0x340 [ 22.993727] ? sysret32_from_system_call+0x5/0x3b [ 22.993743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.993761] entry_SYSENTER_compat+0x54/0x63 [ 22.993767] RIP: 0023:0xf7f22c79 [ 22.993771] RSP: 002b:000000000844f86c EFLAGS: 00000216 ORIG_RAX: 0000000000000036 [ 22.993778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000005423 [ 22.993782] RDX: 0000000020fde000 RSI: 0000000000000000 RDI: 0000000000000000 [ 22.993786] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 22.993789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 22.993793] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 22.993919] WARNING: CPU: 1 PID: 3155 at drivers/tty/tty_ldisc.c:531 tty_set_ldisc+0x4c6/0x7a0 [ 22.993923] Kernel panic - not syncing: panic_on_warn set ... [ 22.993923] [ 22.993929] CPU: 1 PID: 3155 Comm: syz-executor0 Not tainted 4.15.0-rc4+ #145 [ 22.993933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.993934] Call Trace: [ 22.993941] dump_stack+0x194/0x257 [ 22.993953] ? arch_local_irq_restore+0x53/0x53 [ 22.993968] ? vsnprintf+0x1ed/0x1900 [ 22.993982] panic+0x1e4/0x41c [ 22.993990] ? refcount_error_report+0x214/0x214 [ 22.993996] ? show_regs_print_info+0x18/0x18 [ 22.994017] ? __warn+0x1c1/0x200 [ 22.994030] ? tty_set_ldisc+0x4c6/0x7a0 [ 22.994036] __warn+0x1dc/0x200 [ 22.994044] ? tty_set_ldisc+0x4c6/0x7a0 [ 22.994056] report_bug+0x211/0x2d0 [ 22.994072] fixup_bug.part.11+0x37/0x80 [ 22.994082] do_error_trap+0x2d7/0x3e0 [ 22.994097] ? math_error+0x400/0x400 [ 22.994103] ? put_ldops.isra.2+0x7b/0xa0 [ 22.994112] ? lock_downgrade+0x980/0x980 [ 22.994122] ? free_modinfo_version+0x70/0x70 [ 22.994130] ? lock_release+0xa40/0xa40 [ 22.994142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.994160] do_invalid_op+0x1b/0x20 [ 22.994167] invalid_op+0x22/0x40 [ 22.994173] RIP: 0010:tty_set_ldisc+0x4c6/0x7a0 [ 22.994176] RSP: 0018:ffff8801c992f970 EFLAGS: 00010293 [ 22.994182] RAX: ffff8801cc8fe3c0 RBX: ffff8801c9fbe8c0 RCX: ffffffff8287e5d6 [ 22.994187] RDX: 0000000000000000 RSI: 1ffff1003991fd90 RDI: 0000000000000282 [ 22.994191] RBP: ffff8801c992f9c0 R08: 1ffff10039325eee R09: 0000000000000000 [ 22.994194] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 22.994202] R13: ffff8801c9fbee30 R14: ffff8801cb552980 R15: fffffffffffffff4 [ 22.994221] ? tty_set_ldisc+0x4c6/0x7a0 [ 22.994250] tty_ioctl+0x492/0x1610 [ 22.994261] ? tty_vhangup+0x30/0x30 [ 22.994268] ? ldsem_down_read+0x37/0x40 [ 22.994283] ? check_noncircular+0x20/0x20 [ 22.994290] ? lock_release+0xa40/0xa40 [ 22.994298] ? map_files_get_link+0x3a0/0x3a0 [ 22.994335] ? find_held_lock+0x35/0x1d0 [ 22.994352] ? tty_vhangup+0x30/0x30 [ 22.994359] do_vfs_ioctl+0x1b1/0x1520 [ 22.994367] ? lock_downgrade+0x980/0x980 [ 22.994381] ? ioctl_preallocate+0x2b0/0x2b0 [ 22.994387] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 22.994399] ? rcu_note_context_switch+0x710/0x710 [ 22.994426] ? ldsem_up_read+0x3a/0x70 [ 22.994435] ? tty_ldisc_deref+0x35/0x40 [ 22.994443] ? tty_compat_ioctl+0x119/0x260 [ 22.994457] compat_SyS_ioctl+0x4ef/0x2a30 [ 22.994473] ? do_ioctl+0x60/0x60 [ 22.994483] do_fast_syscall_32+0x3ee/0xf9d [ 22.994501] ? do_int80_syscall_32+0x9d0/0x9d0 [ 22.994509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 22.994526] ? syscall_return_slowpath+0x2ad/0x550 [ 22.994535] ? prepare_exit_to_usermode+0x340/0x340 [ 22.994545] ? sysret32_from_system_call+0x5/0x3b [ 22.994561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.994579] entry_SYSENTER_compat+0x54/0x63 [ 22.994583] RIP: 0023:0xf7f22c79 [ 22.994586] RSP: 002b:000000000844f86c EFLAGS: 00000216 ORIG_RAX: 0000000000000036 [ 22.994593] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000005423 [ 22.994597] RDX: 0000000020fde000 RSI: 0000000000000000 RDI: 0000000000000000 [ 22.994600] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 22.994604] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 22.994607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 23.013270] Dumping ftrace buffer: [ 23.013355] (ftrace buffer empty) [ 23.013357] Kernel Offset: disabled [ 23.629961] Rebooting in 86400 seconds..