kauditd_printk_skb: 5 callbacks suppressed audit: type=1400 audit(1549080557.740:36): avc: denied { map } for pid=8010 comm="syz-executor737" path="/root/syz-executor737078335" 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 ------------[ cut here ]------------ audit: type=1400 audit(1549080557.750:37): avc: denied { map } for pid=8018 comm="syz-executor737" path="/dev/ashmem" dev="devtmpfs" ino=17285 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 memory commitment underflow WARNING: CPU: 0 PID: 8019 at mm/util.c:643 __vm_enough_memory+0x47b/0x5a0 mm/util.c:643 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8019 Comm: syz-executor737 Not tainted 5.0.0-rc4+ #56 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__vm_enough_memory+0x47b/0x5a0 mm/util.c:643 Code: e8 7a 42 db ff 0f b6 75 d0 40 84 f6 0f 85 50 fc ff ff e8 28 41 db ff 48 c7 c7 a0 f9 72 87 c6 05 0f 3d c4 07 01 e8 c3 94 ae ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 RSP: 0018:ffff88809612fa68 EFLAGS: 00010286 RAX: 0000000000000000 RBX: fff8000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815a8a06 RDI: ffffed1012c25f3f RBP: ffff88809612faa0 R08: ffff888098d201c0 R09: ffff888098d20a88 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888084df4ac0 R14: ffffffff88a276c0 R15: 0000000000000c67 security_vm_enough_memory_mm+0xa0/0xd0 security/security.c:349 shmem_acct_size mm/shmem.c:152 [inline] __shmem_file_setup.part.0+0x194/0x2b0 mm/shmem.c:3897 __shmem_file_setup mm/shmem.c:3894 [inline] shmem_file_setup+0x66/0x90 mm/shmem.c:3941 ashmem_mmap+0x35f/0x520 drivers/staging/android/ashmem.c:391 call_mmap include/linux/fs.h:1868 [inline] mmap_region+0xc37/0x1760 mm/mmap.c:1786 do_mmap+0x8e2/0x1080 mm/mmap.c:1559 do_mmap_pgoff include/linux/mm.h:2379 [inline] vm_mmap_pgoff+0x1c5/0x230 mm/util.c:350 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1609 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x440e79 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 RSP: 002b:00007ffe8063ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440e79 RDX: 0000000000000000 RSI: 0000000000003000 RDI: 00000000206ff000 RBP: 00000000006cb018 R08: 0000000000000003 R09: 0000000000000000 R10: 0000002000000012 R11: 0000000000000246 R12: 0000000000401d10 R13: 0000000000401da0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..