INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes [ 127.384638] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. [ 132.864716] random: sshd: uninitialized urandom read (32 bytes read) [ 132.960601] audit: type=1400 audit(1540170188.383:7): avc: denied { map } for pid=1822 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/10/22 01:03:08 parsed 1 programs [ 133.494887] audit: type=1400 audit(1540170188.913:8): avc: denied { map } for pid=1822 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4999 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 134.133675] random: cc1: uninitialized urandom read (8 bytes read) 2018/10/22 01:03:10 executed programs: 0 [ 135.432993] audit: type=1400 audit(1540170190.853:9): avc: denied { map } for pid=1822 comm="syz-execprog" path="/root/syzkaller-shm199039633" 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 2018/10/22 01:03:18 executed programs: 6 [ 145.079612] ================================================================== [ 145.087062] BUG: KASAN: user-memory-access in n_tty_set_termios+0xee/0xcb0 [ 145.094067] Write of size 512 at addr 0000000000001060 by task syz-executor1/4740 [ 145.101712] [ 145.103322] CPU: 1 PID: 4740 Comm: syz-executor1 Not tainted 4.14.78+ #22 [ 145.110220] Call Trace: [ 145.112798] dump_stack+0xb9/0x11b [ 145.116331] kasan_report.cold.6+0x6d/0x2dd [ 145.120641] ? n_tty_set_termios+0xee/0xcb0 [ 145.124962] memset+0x1f/0x40 [ 145.128063] n_tty_set_termios+0xee/0xcb0 [ 145.132191] ? process_echoes+0x140/0x140 [ 145.136355] tty_set_termios+0x5fd/0x860 [ 145.140400] ? tty_wait_until_sent+0x480/0x480 [ 145.144966] ? lock_downgrade+0x560/0x560 [ 145.149100] set_termios+0x2bf/0x440 [ 145.152793] ? __tty_perform_flush+0x200/0x200 [ 145.157380] tty_mode_ioctl+0x870/0x920 [ 145.161370] ? tty_perform_flush+0x70/0x70 [ 145.165603] ? __ldsem_down_read_nested+0xb6/0x5b0 [ 145.170510] ? __ldsem_down_read_nested+0xd4/0x5b0 [ 145.175420] ? wake_up_q+0xed/0x150 [ 145.179033] ? hash_futex+0x12/0x200 [ 145.182727] ? __ldsem_wake+0x320/0x320 [ 145.186688] ? avc_has_extended_perms+0x406/0xd50 [ 145.191515] n_tty_ioctl_helper+0x3f/0x350 [ 145.195729] n_tty_ioctl+0x43/0x2e0 [ 145.199357] ? pty_write_room+0xc0/0xc0 [ 145.203312] tty_ioctl+0x551/0x13e0 [ 145.206918] ? n_tty_receive_buf+0x40/0x40 [ 145.211132] ? tty_vhangup+0x30/0x30 [ 145.214829] ? avc_ss_reset+0x100/0x100 [ 145.218800] ? __lock_acquire+0x619/0x4320 [ 145.223021] ? trace_hardirqs_on+0x10/0x10 [ 145.227248] ? trace_hardirqs_on+0x10/0x10 [ 145.231471] ? trace_hardirqs_on+0x10/0x10 [ 145.235693] ? tty_vhangup+0x30/0x30 [ 145.239391] do_vfs_ioctl+0x1a0/0x1030 [ 145.243264] ? ioctl_preallocate+0x1d0/0x1d0 [ 145.247655] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 145.253353] ? __lockdep_init_map+0x52/0x480 [ 145.257741] ? lock_acquire+0x10f/0x380 [ 145.261696] ? check_preemption_disabled+0x34/0x160 [ 145.266698] ? check_preemption_disabled+0xb/0x160 [ 145.271622] ? __fget+0x22b/0x3a0 [ 145.275080] ? security_file_ioctl+0x7c/0xb0 [ 145.279483] SyS_ioctl+0x7e/0xb0 [ 145.282849] ? do_vfs_ioctl+0x1030/0x1030 [ 145.286984] do_syscall_64+0x19b/0x4b0 [ 145.290859] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.296032] RIP: 0033:0x457569 [ 145.299215] RSP: 002b:00007f1398e93c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 145.306900] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 145.314148] RDX: 0000000020000040 RSI: 0000000000005402 RDI: 0000000000000007 [ 145.321401] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 145.328648] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1398e946d4 [ 145.335946] R13: 00000000004c0d97 R14: 00000000004d17b8 R15: 00000000ffffffff [ 145.343209] ================================================================== [ 145.350543] Disabling lock debugging due to kernel taint [ 145.357371] Kernel panic - not syncing: panic_on_warn set ... [ 145.357371] [ 145.364735] CPU: 1 PID: 4740 Comm: syz-executor1 Tainted: G B 4.14.78+ #22 [ 145.372850] Call Trace: [ 145.375415] dump_stack+0xb9/0x11b [ 145.378957] panic+0x1bf/0x3a4 [ 145.382135] ? add_taint.cold.4+0x16/0x16 [ 145.386279] ? ___preempt_schedule+0x16/0x18 [ 145.390676] kasan_end_report+0x43/0x49 [ 145.394652] kasan_report.cold.6+0x77/0x2dd [ 145.398959] ? n_tty_set_termios+0xee/0xcb0 [ 145.403258] memset+0x1f/0x40 [ 145.406341] n_tty_set_termios+0xee/0xcb0 [ 145.410467] ? process_echoes+0x140/0x140 [ 145.414593] tty_set_termios+0x5fd/0x860 [ 145.418654] ? tty_wait_until_sent+0x480/0x480 [ 145.423230] ? lock_downgrade+0x560/0x560 [ 145.427372] set_termios+0x2bf/0x440 [ 145.431075] ? __tty_perform_flush+0x200/0x200 [ 145.435638] tty_mode_ioctl+0x870/0x920 [ 145.439594] ? tty_perform_flush+0x70/0x70 [ 145.443807] ? __ldsem_down_read_nested+0xb6/0x5b0 [ 145.448714] ? __ldsem_down_read_nested+0xd4/0x5b0 [ 145.453621] ? wake_up_q+0xed/0x150 [ 145.457224] ? hash_futex+0x12/0x200 [ 145.460919] ? __ldsem_wake+0x320/0x320 [ 145.464889] ? avc_has_extended_perms+0x406/0xd50 [ 145.469726] n_tty_ioctl_helper+0x3f/0x350 [ 145.473940] n_tty_ioctl+0x43/0x2e0 [ 145.477545] ? pty_write_room+0xc0/0xc0 [ 145.481499] tty_ioctl+0x551/0x13e0 [ 145.485102] ? n_tty_receive_buf+0x40/0x40 [ 145.489311] ? tty_vhangup+0x30/0x30 [ 145.493001] ? avc_ss_reset+0x100/0x100 [ 145.496956] ? __lock_acquire+0x619/0x4320 [ 145.501169] ? trace_hardirqs_on+0x10/0x10 [ 145.505388] ? trace_hardirqs_on+0x10/0x10 [ 145.509603] ? trace_hardirqs_on+0x10/0x10 [ 145.513816] ? tty_vhangup+0x30/0x30 [ 145.517510] do_vfs_ioctl+0x1a0/0x1030 [ 145.521375] ? ioctl_preallocate+0x1d0/0x1d0 [ 145.525766] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 145.531453] ? __lockdep_init_map+0x52/0x480 [ 145.535863] ? lock_acquire+0x10f/0x380 [ 145.539822] ? check_preemption_disabled+0x34/0x160 [ 145.544826] ? check_preemption_disabled+0xb/0x160 [ 145.549737] ? __fget+0x22b/0x3a0 [ 145.553182] ? security_file_ioctl+0x7c/0xb0 [ 145.557576] SyS_ioctl+0x7e/0xb0 [ 145.560922] ? do_vfs_ioctl+0x1030/0x1030 [ 145.565050] do_syscall_64+0x19b/0x4b0 [ 145.568932] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 145.574102] RIP: 0033:0x457569 [ 145.577274] RSP: 002b:00007f1398e93c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 145.585239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 145.592485] RDX: 0000000020000040 RSI: 0000000000005402 RDI: 0000000000000007 [ 145.599733] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 145.606978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1398e946d4 [ 145.614232] R13: 00000000004c0d97 R14: 00000000004d17b8 R15: 00000000ffffffff [ 145.621802] Kernel Offset: 0x38c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 145.632706] Rebooting in 86400 seconds..