[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 11.762230] audit: type=1400 audit(1514947964.092:6): avc: denied { map } for pid=3450 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 '10.128.15.205' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.431123] audit: type=1400 audit(1514947982.760:7): avc: denied { map } for pid=3468 comm="syzkaller284818" path="/root/syzkaller284818499" 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 [ 30.460236] WARNING: CPU: 1 PID: 3468 at net/rds/rdma.c:617 rds_cmsg_rdma_args+0xe96/0x1360 [ 30.468721] Kernel panic - not syncing: panic_on_warn set ... [ 30.468721] [ 30.476065] CPU: 1 PID: 3468 Comm: syzkaller284818 Not tainted 4.15.0-rc6-mm1+ #50 [ 30.483737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.493069] Call Trace: [ 30.495635] dump_stack+0x137/0x198 [ 30.499239] panic+0x1e4/0x41c [ 30.502413] ? refcount_error_report+0x214/0x214 [ 30.507137] ? show_regs_print_info+0x18/0x18 [ 30.511610] ? __probe_kernel_read+0x16b/0x1c0 [ 30.516161] ? __warn+0x1c1/0x200 [ 30.519584] ? rds_cmsg_rdma_args+0xe96/0x1360 [ 30.524135] __warn+0x1dc/0x200 [ 30.527390] ? rds_cmsg_rdma_args+0xe96/0x1360 [ 30.531941] report_bug+0x211/0x2d0 [ 30.535541] fixup_bug.part.11+0x37/0x80 [ 30.539570] do_error_trap+0x249/0x290 [ 30.543427] ? math_error+0x310/0x310 [ 30.547204] ? find_held_lock+0x35/0x1e0 [ 30.551238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.556052] do_invalid_op+0x1b/0x20 [ 30.559735] invalid_op+0x22/0x40 [ 30.563154] RIP: 0010:rds_cmsg_rdma_args+0xe96/0x1360 [ 30.568308] RSP: 0018:ffff8801d4677700 EFLAGS: 00010293 [ 30.573641] RAX: ffff8801c04c0640 RBX: ffff8801d85e58b8 RCX: ffffffff84862946 [ 30.580878] RDX: 0000000000000000 RSI: 00000000014080c0 RDI: ffff8801bf9ddef0 [ 30.588116] RBP: ffff8801d4677890 R08: 0000000000000000 R09: 0000000000000000 [ 30.595353] R10: ffff8801d4677618 R11: 0000000000000001 R12: 0000000000000000 [ 30.602589] R13: ffff8801d85e5880 R14: ffff8801bff0cdc0 R15: 1ffff1003a8ceef4 [ 30.609837] ? rds_cmsg_rdma_args+0xe96/0x1360 [ 30.614393] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.619378] ? trace_hardirqs_on+0xd/0x10 [ 30.623496] ? __rds_conn_create+0x2f0/0x1800 [ 30.627961] ? rds_rdma_extra_size+0x230/0x230 [ 30.632514] ? rds_conn_message_info_send+0x30/0x30 [ 30.637498] ? __lockdep_init_map+0xe4/0x650 [ 30.641882] rds_sendmsg+0x1264/0x1e80 [ 30.645735] ? rds_sendmsg+0x1264/0x1e80 [ 30.649772] ? rds_send_drop_to+0x13b0/0x13b0 [ 30.654239] ? lock_downgrade+0x860/0x860 [ 30.658355] ? __might_fault+0xe0/0x1d0 [ 30.662308] ? selinux_socket_sendmsg+0x36/0x40 [ 30.666948] ? security_socket_sendmsg+0x89/0xb0 [ 30.671682] ? rds_send_drop_to+0x13b0/0x13b0 [ 30.676150] sock_sendmsg+0xca/0x110 [ 30.679838] ___sys_sendmsg+0x2f4/0x8c0 [ 30.683781] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.688768] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 30.693500] ? do_huge_pmd_anonymous_page+0x971/0x1650 [ 30.698745] ? lock_downgrade+0x860/0x860 [ 30.702865] ? lru_cache_add+0xd9/0x1e0 [ 30.706813] ? _raw_spin_unlock+0x22/0x30 [ 30.710931] ? do_huge_pmd_anonymous_page+0x9de/0x1650 [ 30.716181] ? __thp_get_unmapped_area+0x130/0x130 [ 30.721081] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.726242] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.731407] ? __fget_light+0x158/0x1e0 [ 30.735358] __sys_sendmmsg+0x159/0x3c0 [ 30.739300] ? __sys_sendmmsg+0x159/0x3c0 [ 30.743430] ? SyS_sendmsg+0x50/0x50 [ 30.747122] ? __do_page_fault+0x5cc/0xca0 [ 30.751326] ? lock_downgrade+0x860/0x860 [ 30.755451] ? up_read+0x1a/0x40 [ 30.758785] ? __do_page_fault+0x3c3/0xca0 [ 30.762995] ? mm_fault_error+0x2c0/0x2c0 [ 30.767120] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.772106] SyS_sendmmsg+0x35/0x60 [ 30.775706] entry_SYSCALL_64_fastpath+0x23/0x9a [ 30.780432] RIP: 0033:0x43fe49 [ 30.783590] RSP: 002b:00007fffcc68d268 EFLAGS: 00000217 ORIG_RAX: 0000000000000133 [ 30.791270] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe49 [ 30.798507] RDX: 0000000000000001 RSI: 000000002099ffc4 RDI: 0000000000000003 [ 30.805746] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 30.812984] R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004017b0 [ 30.820223] R13: 0000000000401840 R14: 0000000000000000 R15: 0000000000000000 [ 30.827633] Dumping ftrace buffer: [ 30.831195] (ftrace buffer empty) [ 30.834876] Kernel Offset: disabled [ 30.838474] Rebooting in 86400 seconds..