[?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. [ 12.582053] audit: type=1400 audit(1514758213.029:6): avc: denied { map } for pid=3131 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 '10.128.15.193' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 18.769249] audit: type=1400 audit(1514758219.217:7): avc: denied { map } for pid=3145 comm="syzkaller206732" path="/root/syzkaller206732917" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 18.806047] ------------[ cut here ]------------ [ 18.810861] socket already in reuseport group [ 18.811012] WARNING: CPU: 1 PID: 3146 at net/core/sock_reuseport.c:119 reuseport_add_sock+0x742/0x9b0 [ 18.825343] Kernel panic - not syncing: panic_on_warn set ... [ 18.825343] [ 18.832674] CPU: 1 PID: 3146 Comm: syzkaller206732 Not tainted 4.15.0-rc4-mm1+ #49 [ 18.840349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.849690] Call Trace: [ 18.852253] dump_stack+0x194/0x257 [ 18.855855] ? arch_local_irq_restore+0x53/0x53 [ 18.860499] ? vsnprintf+0x1ed/0x1900 [ 18.864280] panic+0x1e4/0x41c [ 18.867443] ? refcount_error_report+0x214/0x214 [ 18.873156] ? show_regs_print_info+0x18/0x18 [ 18.878065] ? __warn+0x1c1/0x200 [ 18.881668] ? reuseport_add_sock+0x742/0x9b0 [ 18.886141] __warn+0x1dc/0x200 [ 18.889389] ? console_unlock+0x971/0xd70 [ 18.893507] ? reuseport_add_sock+0x742/0x9b0 [ 18.898174] report_bug+0x211/0x2d0 [ 18.901779] fixup_bug.part.11+0x37/0x80 [ 18.906324] do_error_trap+0x2d7/0x3e0 [ 18.910194] ? __down_trylock_console_sem+0x10d/0x1e0 [ 18.915618] ? math_error+0x400/0x400 [ 18.919392] ? vprintk_emit+0x3ea/0x590 [ 18.923351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 18.928169] do_invalid_op+0x1b/0x20 [ 18.931862] invalid_op+0x22/0x40 [ 18.935286] RIP: 0010:reuseport_add_sock+0x742/0x9b0 [ 18.940795] RSP: 0018:ffff8801c8b47918 EFLAGS: 00010282 [ 18.946137] RAX: dffffc0000000008 RBX: ffff8801c89dc0c0 RCX: ffffffff8159faae [ 18.953384] RDX: 0000000000000000 RSI: 1ffff10039168ede RDI: 0000000000000293 [ 18.960806] RBP: ffff8801c8b47ab0 R08: 1ffff10039168ea0 R09: 0000000000000000 [ 18.968047] R10: ffff8801c8b477d0 R11: 0000000000000000 R12: 1ffff10039168f2d [ 18.975460] R13: ffff8801cce1b930 R14: ffff8801c8b47a88 R15: 1ffff10039168f31 [ 18.984197] ? vprintk_func+0x5e/0xc0 [ 18.988410] ? reuseport_add_sock+0x742/0x9b0 [ 18.994197] ? sock_i_uid+0x8d/0xb0 [ 18.997805] ? reuseport_alloc+0x390/0x390 [ 19.002105] ? __inet_hash+0x23a/0x10d0 [ 19.006070] ? mark_held_locks+0xaf/0x100 [ 19.010189] ? __local_bh_enable_ip+0x121/0x230 [ 19.014830] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 19.019816] ? sock_i_uid+0x8d/0xb0 [ 19.023412] ? trace_hardirqs_on+0xd/0x10 [ 19.027529] ? __local_bh_enable_ip+0x121/0x230 [ 19.032169] ? inet_rcv_saddr_equal+0x12d/0x230 [ 19.036808] ? _raw_read_unlock_bh+0x30/0x40 [ 19.041202] __inet_hash+0x9c4/0x10d0 [ 19.044983] ? inet_ehash_nolisten+0x180/0x180 [ 19.049543] ? reqsk_timer_handler+0xea0/0xea0 [ 19.054097] ? avc_has_perm+0x43e/0x680 [ 19.058051] ? __lock_is_held+0xb6/0x140 [ 19.062103] ? rcu_read_lock_sched_held+0x108/0x120 [ 19.067091] ? inet_sk_state_store+0xf2/0x530 [ 19.071558] ? inet_sendpage+0x660/0x660 [ 19.075591] ? __raw_spin_lock_init+0x1c/0x100 [ 19.080145] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 19.085151] ? __lockdep_init_map+0xe4/0x650 [ 19.091223] ? inet_hash+0x41/0x90 [ 19.094737] ? reqsk_timer_handler+0xea0/0xea0 [ 19.099298] inet_hash+0x61/0x90 [ 19.102639] inet_csk_listen_start+0x258/0x310 [ 19.107205] inet_listen+0x19a/0x440 [ 19.110909] ? tcp_setsockopt+0x89/0xd0 [ 19.114856] ? inet_exit_net+0x10/0x10 [ 19.118717] ? selinux_socket_listen+0x36/0x40 [ 19.123279] ? security_socket_listen+0x81/0xb0 [ 19.127921] SyS_listen+0x1aa/0x350 [ 19.131536] ? SyS_bind+0x30/0x30 [ 19.134960] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 19.140740] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 19.145729] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 19.150462] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.155195] RIP: 0033:0x445639 [ 19.158355] RSP: 002b:00007f81b637ddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 19.167073] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445639 [ 19.175362] RDX: 0000000000445639 RSI: 0000000000000000 RDI: 0000000000000007 [ 19.182601] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000 [ 19.190205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 19.197447] R13: 00007ffefd58e4af R14: 00007f81b637e9c0 R15: 0000000000000008 [ 19.205440] Dumping ftrace buffer: [ 19.209006] (ftrace buffer empty) [ 19.212684] Kernel Offset: disabled [ 19.216287] Rebooting in 86400 seconds..