audit: type=1400 audit(1556181358.965:36): avc: denied { map } for pid=6983 comm="syz-executor258" path="/root/syz-executor258820704" 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 memory commitment underflow ------------[ cut here ]------------ audit: type=1400 audit(1556181358.965:37): avc: denied { map } for pid=6991 comm="syz-executor258" path="/dev/ashmem" dev="devtmpfs" ino=13241 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 WARNING: CPU: 0 PID: 6992 at mm/util.c:604 __vm_enough_memory.cold+0x18/0x58 mm/util.c:604 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6992 Comm: syz-executor258 Not tainted 4.14.113 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x438 kernel/panic.c:182 __warn.cold+0x2f/0x34 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:944 RIP: 0010:__vm_enough_memory.cold+0x18/0x58 mm/util.c:604 RSP: 0018:ffff88809605fad8 EFLAGS: 00010286 RAX: 000000000000001b RBX: fff8000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a60f0b28 RDI: ffffed1012c0bf51 RBP: ffff88809605fb10 R08: 000000000000001b R09: ffff8880a60f0b48 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888080e6f300 R14: ffffffff878035e0 R15: fff800000000d578 security_vm_enough_memory_mm+0x99/0xc0 security/security.c:328 shmem_acct_size mm/shmem.c:149 [inline] __shmem_file_setup.part.0+0x262/0x400 mm/shmem.c:4245 __shmem_file_setup mm/shmem.c:4242 [inline] shmem_file_setup mm/shmem.c:4309 [inline] shmem_file_setup+0x50/0x70 mm/shmem.c:4307 ashmem_mmap+0x327/0x490 drivers/staging/android/ashmem.c:399 call_mmap include/linux/fs.h:1779 [inline] mmap_region+0x858/0x1030 mm/mmap.c:1722 do_mmap+0x5b8/0xcd0 mm/mmap.c:1500 do_mmap_pgoff include/linux/mm.h:2165 [inline] vm_mmap_pgoff+0x17a/0x1d0 mm/util.c:333 SYSC_mmap_pgoff mm/mmap.c:1550 [inline] SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1508 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x441289 RSP: 002b:00007ffceef35f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000020ffc000 RBP: 00000000006cb018 R08: 0000000000000003 R09: 0000000000000000 R10: 0080000000000012 R11: 0000000000000246 R12: 0000000000402000 R13: 0000000000402090 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..