MINIX-fs: mounting unchecked file system, running fsck is recommended attempt to access beyond end of device loop2: rw=2049, want=6434, limit=52 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43 sclass=netlink_route_socket pid=4085 comm=syz-executor.2 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4085 at fs/inode.c:342 inc_nlink+0x113/0x130 fs/inode.c:342 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 4085 Comm: syz-executor.2 Not tainted 4.14.181-syzkaller #0 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+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x30 kernel/panic.c:547 report_bug+0x20a/0x248 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+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:inc_nlink+0x113/0x130 fs/inode.c:342 RSP: 0018:ffff88815c7afdb0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff8881647c5638 RCX: ffffc90007515000 RDX: 00000000000008f7 RSI: ffffffff81912283 RDI: ffff8881647c5710 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000002 R10: ffffed102b8f5f8e R11: 0000000000000003 R12: ffff8881647c5680 R13: ffff88804dbaba20 R14: ffff88804dbaba78 R15: 0000000000000000 inode_inc_link_count include/linux/fs.h:2035 [inline] minix_mkdir+0x5a/0x160 fs/minix/namei.c:121 vfs_mkdir+0x3af/0x620 fs/namei.c:3849 SYSC_mkdirat fs/namei.c:3872 [inline] SyS_mkdirat+0x1b5/0x220 fs/namei.c:3856 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007f88292ebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00000000004f5b40 RCX: 000000000045ca29 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000020000040 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000734 R14: 00000000004c2500 R15: 00007f88292ec6d4 Kernel Offset: disabled Rebooting in 86400 seconds..