binder: 7395:7397 BC_FREE_BUFFER u0000000000000000 no match binder: BINDER_SET_CONTEXT_MGR already set binder: 7395:7397 ioctl 40046207 0 returned -16 binder: 7395:7400 BC_FREE_BUFFER u0000000000000000 no match ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7425 at mm/util.c:546 __vm_enough_memory+0x38b/0x470 mm/util.c:544 memory commitment underflow[ 47.297620] Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7425 Comm: syz-executor2 Not tainted 4.9.87-gfc8bd0f #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf5779d8 ffffffff81d95bd9 ffffffff83a480c0 ffff8801cf577ab0 ffffffff83aacf00 ffffffff8149930b 0000000000000009 ffff8801cf577aa0 ffffffff8142f7e1 0000000041b58ab3 ffffffff8418b890 ffffffff8142f625 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bc/0x3a8 kernel/panic.c:179 [] __warn+0x1c4/0x1e0 kernel/panic.c:542 [] warn_slowpath_fmt+0xc4/0x110 kernel/panic.c:565 [] __vm_enough_memory+0x38b/0x470 mm/util.c:544 [] security_vm_enough_memory_mm+0x90/0xb0 security/security.c:238 [] mmap_region+0x93b/0xfd0 mm/mmap.c:1644 [] do_mmap+0x57b/0xbe0 mm/mmap.c:1473 [] do_mmap_pgoff include/linux/mm.h:2032 [inline] [] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:329 [] SYSC_mmap_pgoff mm/mmap.c:1523 [inline] [] SyS_mmap_pgoff+0xd0/0x560 mm/mmap.c:1481 [] SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] [] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..