Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 54.829646] audit: type=1400 audit(1544117550.297:36): avc: denied { map } for pid=6214 comm="syz-executor625" path="/root/syz-executor625902944" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 54.838887] ------------[ cut here ]------------ [ 54.863039] audit: type=1400 audit(1544117550.297:37): avc: denied { map } for pid=6221 comm="syz-executor625" path="/dev/ashmem" dev="devtmpfs" ino=14805 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 [ 54.863551] memory commitment underflow [ 54.863676] WARNING: CPU: 1 PID: 6221 at mm/util.c:645 __vm_enough_memory+0x734/0x960 [ 54.900015] Kernel panic - not syncing: panic_on_warn set ... [ 54.905893] CPU: 1 PID: 6221 Comm: syz-executor625 Not tainted 4.20.0-rc5+ #144 [ 54.913320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.923017] Call Trace: [ 54.925616] dump_stack+0x244/0x39d [ 54.929236] ? dump_stack_print_info.cold.1+0x20/0x20 [ 54.934513] panic+0x2ad/0x55c [ 54.937703] ? add_taint.cold.5+0x16/0x16 [ 54.941839] ? __warn.cold.8+0x5/0x45 [ 54.945684] ? __warn+0xe8/0x1d0 [ 54.949138] ? __vm_enough_memory+0x734/0x960 [ 54.953626] __warn.cold.8+0x20/0x45 [ 54.957322] ? rcu_softirq_qs+0x20/0x20 [ 54.961398] ? __vm_enough_memory+0x734/0x960 [ 54.965909] report_bug+0x254/0x2d0 [ 54.969668] do_error_trap+0x11b/0x200 [ 54.973545] do_invalid_op+0x36/0x40 [ 54.977253] ? __vm_enough_memory+0x734/0x960 [ 54.981759] invalid_op+0x14/0x20 [ 54.985203] RIP: 0010:__vm_enough_memory+0x734/0x960 [ 54.990295] Code: 60 d3 ff 0f b6 85 28 fe ff ff 84 c0 0f 85 4e fa ff ff e8 ff 5f d3 ff 48 c7 c7 60 99 32 88 c6 05 0c 8a 66 08 01 e8 fc bf 9c ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 [ 55.009289] RSP: 0018:ffff8881cb5575a0 EFLAGS: 00010282 [ 55.014753] RAX: 0000000000000000 RBX: 1ffff110396aaeb8 RCX: 0000000000000000 [ 55.022054] RDX: 0000000000000000 RSI: ffffffff8165fbe5 RDI: 0000000000000006 [ 55.029440] RBP: ffff8881cb557788 R08: ffff8881af976240 R09: 0000000000000006 [ 55.036698] R10: 0000000000000000 R11: ffff8881af976240 R12: ffff8881cb557760 [ 55.044068] R13: 0000000000000c60 R14: ffffffff8961c660 R15: 0000000000000001 [ 55.051487] ? vprintk_func+0x85/0x181 [ 55.055371] ? vm_commit_limit+0xd0/0xd0 [ 55.059421] ? cache_grow_end+0xa8/0x190 [ 55.063470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.069609] ? cred_has_capability+0x1e1/0x430 [ 55.074181] ? selinux_ipv4_output+0x50/0x50 [ 55.078584] ? __lock_is_held+0x83/0x140 [ 55.082737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.088370] ? cap_capable+0x1f9/0x260 [ 55.092259] security_vm_enough_memory_mm+0x9d/0xc0 [ 55.097271] __shmem_file_setup.part.50+0x19c/0x2a0 [ 55.102274] ? memset+0x31/0x40 [ 55.105543] shmem_file_setup+0x65/0x90 [ 55.109507] ashmem_mmap+0x362/0x520 [ 55.113290] mmap_region+0xe85/0x1cd0 [ 55.117089] ? __x64_sys_brk+0x8b0/0x8b0 [ 55.121138] ? selinux_task_getsecid+0x1f9/0x3a0 [ 55.125880] ? lock_downgrade+0x900/0x900 [ 55.130017] ? check_preemption_disabled+0x48/0x280 [ 55.135155] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 55.140144] ? kasan_check_read+0x11/0x20 [ 55.144287] ? mpx_unmapped_area_check+0xd8/0x108 [ 55.149124] ? arch_get_unmapped_area+0x750/0x750 [ 55.154054] ? lock_acquire+0x1ed/0x520 [ 55.158018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.163542] ? selinux_mmap_addr+0x2d/0x110 [ 55.167855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.173442] ? security_mmap_addr+0x80/0xa0 [ 55.177759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.183284] ? get_unmapped_area+0x292/0x3b0 [ 55.187784] do_mmap+0xa22/0x1230 [ 55.191230] ? mmap_region+0x1cd0/0x1cd0 [ 55.195570] ? vm_mmap_pgoff+0x1b5/0x2c0 [ 55.199727] ? down_read_killable+0x150/0x150 [ 55.204209] ? security_mmap_file+0x174/0x1b0 [ 55.208694] vm_mmap_pgoff+0x213/0x2c0 [ 55.212596] ? vma_is_stack_for_current+0xd0/0xd0 [ 55.217433] ? selinux_file_mprotect+0x620/0x620 [ 55.222182] ? up_read+0x225/0x2c0 [ 55.225737] ksys_mmap_pgoff+0x4da/0x660 [ 55.229811] ? do_syscall_64+0x9a/0x820 [ 55.233925] ? find_mergeable_anon_vma+0xd0/0xd0 [ 55.238675] ? trace_hardirqs_on+0xbd/0x310 [ 55.243027] ? security_file_ioctl+0x94/0xc0 [ 55.247433] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.252786] ? trace_hardirqs_off_caller+0x310/0x310 [ 55.257879] __x64_sys_mmap+0xe9/0x1b0 [ 55.261756] do_syscall_64+0x1b9/0x820 [ 55.265635] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 55.270992] ? syscall_return_slowpath+0x5e0/0x5e0 [ 55.275963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.280799] ? trace_hardirqs_on_caller+0x310/0x310 [ 55.285873] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 55.290888] ? prepare_exit_to_usermode+0x291/0x3b0 [ 55.295895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.300734] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.305912] RIP: 0033:0x440e79 [ 55.309094] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.328242] RSP: 002b:00007ffc91857e58 EFLAGS: 00000212 ORIG_RAX: 0000000000000009 [ 55.335957] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e79 [ 55.343215] RDX: 0000000020fffffc RSI: 0000000000004000 RDI: 00000000206fd000 [ 55.350469] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000 [ 55.357724] R10: 0000000000000012 R11: 0000000000000212 R12: 0000000000401d10 [ 55.365044] R13: 0000000000401da0 R14: 0000000000000000 R15: 0000000000000000 [ 55.373534] Kernel Offset: disabled [ 55.377233] Rebooting in 86400 seconds..