[....] 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. [ 79.719029][ T26] audit: type=1800 audit(1558415396.921:33): pid=9890 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 [ 79.741859][ T26] audit: type=1800 audit(1558415396.921:34): pid=9890 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 83.584264][ T26] audit: type=1400 audit(1558415400.791:35): avc: denied { map } for pid=10068 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 '10.128.1.35' (ECDSA) to the list of known hosts. executing program [ 90.247878][ T26] audit: type=1400 audit(1558415407.451:36): avc: denied { map } for pid=10080 comm="syz-executor209" path="/root/syz-executor209322942" 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 [ 90.252678][T10080] ------------[ cut here ]------------ [ 90.280406][T10080] DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) [ 90.280632][T10080] WARNING: CPU: 0 PID: 10080 at kernel/locking/lockdep.c:3764 __lock_acquire+0x17b5/0x5490 [ 90.297213][T10080] Kernel panic - not syncing: panic_on_warn set ... [ 90.304165][T10080] CPU: 0 PID: 10080 Comm: syz-executor209 Not tainted 5.2.0-rc1+ #1 [ 90.312126][T10080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.322304][T10080] Call Trace: [ 90.325626][T10080] dump_stack+0x172/0x1f0 [ 90.330079][T10080] ? __lock_acquire+0x16d0/0x5490 [ 90.335165][T10080] panic+0x2cb/0x744 [ 90.339068][T10080] ? __warn_printk+0xf3/0xf3 [ 90.343673][T10080] ? __lock_acquire+0x17b5/0x5490 [ 90.348706][T10080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.354943][T10080] ? __warn.cold+0x5/0x4d [ 90.359261][T10080] ? __warn+0xe8/0x1d0 [ 90.363310][T10080] ? __lock_acquire+0x17b5/0x5490 [ 90.368343][T10080] __warn.cold+0x20/0x4d [ 90.372620][T10080] ? vprintk_emit+0x1ea/0x700 [ 90.377282][T10080] ? __lock_acquire+0x17b5/0x5490 [ 90.382297][T10080] report_bug+0x263/0x2b0 [ 90.386646][T10080] do_error_trap+0x11b/0x200 [ 90.391241][T10080] do_invalid_op+0x37/0x50 [ 90.395658][T10080] ? __lock_acquire+0x17b5/0x5490 [ 90.400678][T10080] invalid_op+0x14/0x20 [ 90.404820][T10080] RIP: 0010:__lock_acquire+0x17b5/0x5490 [ 90.410448][T10080] Code: d2 0f 85 c7 2c 00 00 44 8b 3d a7 a0 29 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 20 c1 6b 87 48 c7 c7 00 98 6b 87 e8 09 d5 eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d 47 88 0e 09 85 c9 [ 90.430134][T10080] RSP: 0018:ffff8880912073e0 EFLAGS: 00010086 [ 90.436194][T10080] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 90.444152][T10080] RDX: 0000000000000000 RSI: ffffffff815ac7e6 RDI: ffffed1012240e6e [ 90.453338][T10080] RBP: ffff888091207588 R08: ffff8880a514c4c0 R09: fffffbfff11730e9 [ 90.461560][T10080] R10: fffffbfff11730e8 R11: ffffffff88b98743 R12: 00000000ead9eb42 [ 90.469784][T10080] R13: 0000000000000000 R14: 0000000000040b42 R15: 0000000000000000 [ 90.477900][T10080] ? vprintk_func+0x86/0x189 [ 90.482622][T10080] ? sock_diag_rcv+0x2b/0x40 [ 90.487229][T10080] ? netlink_unicast+0x531/0x710 [ 90.492426][T10080] ? netlink_sendmsg+0x8ae/0xd70 [ 90.497579][T10080] ? sock_sendmsg+0xd7/0x130 [ 90.502166][T10080] ? ___sys_sendmsg+0x803/0x920 [ 90.507207][T10080] ? __sys_sendmsg+0x105/0x1d0 [ 90.511965][T10080] ? __x64_sys_sendmsg+0x78/0xb0 [ 90.516937][T10080] ? do_syscall_64+0xfd/0x680 [ 90.521613][T10080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.527680][T10080] ? mark_held_locks+0xf0/0xf0 [ 90.532498][T10080] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 90.538140][T10080] ? find_held_lock+0x35/0x130 [ 90.542988][T10080] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 90.548632][T10080] lock_acquire+0x16f/0x3f0 [ 90.553184][T10080] ? rhashtable_walk_enter+0xf9/0x390 [ 90.558555][T10080] _raw_spin_lock+0x2f/0x40 [ 90.563048][T10080] ? rhashtable_walk_enter+0xf9/0x390 [ 90.568412][T10080] rhashtable_walk_enter+0xf9/0x390 [ 90.573724][T10080] __tipc_dump_start+0x1fa/0x3c0 [ 90.587156][T10080] tipc_dump_start+0x70/0x90 [ 90.591737][T10080] __netlink_dump_start+0x4f8/0x7d0 [ 90.596914][T10080] ? __tipc_dump_start+0x3c0/0x3c0 [ 90.602014][T10080] tipc_sock_diag_handler_dump+0x1d9/0x270 [ 90.607813][T10080] ? __tipc_diag_gen_cookie+0x90/0x90 [ 90.613175][T10080] ? sock_diag_rcv+0x1c/0x40 [ 90.617744][T10080] ? __tipc_dump_start+0x3c0/0x3c0 [ 90.622959][T10080] ? tipc_unregister_sysctl+0x20/0x20 [ 90.628343][T10080] ? tipc_ioctl+0x2e0/0x2e0 [ 90.633078][T10080] sock_diag_rcv_msg+0x319/0x410 [ 90.638110][T10080] netlink_rcv_skb+0x177/0x450 [ 90.642870][T10080] ? sock_diag_bind+0x80/0x80 [ 90.647886][T10080] ? netlink_ack+0xb50/0xb50 [ 90.652479][T10080] ? kasan_check_read+0x11/0x20 [ 90.658527][T10080] ? netlink_deliver_tap+0x254/0xbf0 [ 90.663821][T10080] sock_diag_rcv+0x2b/0x40 [ 90.668245][T10080] netlink_unicast+0x531/0x710 [ 90.673000][T10080] ? netlink_attachskb+0x770/0x770 [ 90.678092][T10080] ? _copy_from_iter_full+0x25d/0x8c0 [ 90.683450][T10080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.689676][T10080] netlink_sendmsg+0x8ae/0xd70 [ 90.694424][T10080] ? netlink_unicast+0x710/0x710 [ 90.699372][T10080] ? tomoyo_socket_sendmsg+0x26/0x30 [ 90.704676][T10080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.710919][T10080] ? security_socket_sendmsg+0x8d/0xc0 [ 90.716382][T10080] ? netlink_unicast+0x710/0x710 [ 90.721324][T10080] sock_sendmsg+0xd7/0x130 [ 90.725751][T10080] ___sys_sendmsg+0x803/0x920 [ 90.730436][T10080] ? copy_msghdr_from_user+0x430/0x430 [ 90.735969][T10080] ? prep_transhuge_page+0xa0/0xa0 [ 90.741103][T10080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.747365][T10080] ? __handle_mm_fault+0x7cb/0x3eb0 [ 90.752565][T10080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.758861][T10080] ? __fget_light+0x1a9/0x230 [ 90.766293][T10080] ? __fdget+0x1b/0x20 [ 90.770367][T10080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.776643][T10080] __sys_sendmsg+0x105/0x1d0 [ 90.781256][T10080] ? __ia32_sys_shutdown+0x80/0x80 [ 90.786369][T10080] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.791823][T10080] ? do_syscall_64+0x26/0x680 [ 90.796715][T10080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.802871][T10080] ? do_syscall_64+0x26/0x680 [ 90.807581][T10080] __x64_sys_sendmsg+0x78/0xb0 [ 90.812364][T10080] do_syscall_64+0xfd/0x680 [ 90.816860][T10080] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.822737][T10080] RIP: 0033:0x440219 [ 90.826715][T10080] 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 [ 90.846636][T10080] RSP: 002b:00007fff448292e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.855223][T10080] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440219 [ 90.863204][T10080] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 90.871262][T10080] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 90.879229][T10080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401aa0 [ 90.887292][T10080] R13: 0000000000401b30 R14: 0000000000000000 R15: 0000000000000000 [ 90.896803][T10080] Kernel Offset: disabled [ 90.901170][T10080] Rebooting in 86400 seconds..