MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 30335 at fs/inode.c:360 inc_nlink+0x144/0x160 fs/inode.c:360 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 30335 Comm: syz-executor.1 Not tainted 5.6.0-rc7-syzkaller #0 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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:inc_nlink+0x144/0x160 fs/inode.c:360 Code: ff 4c 89 e7 e8 ed 99 ee ff e9 42 ff ff ff 4c 89 e7 e8 70 99 ee ff e9 fc fe ff ff 4c 89 e7 e8 63 99 ee ff eb d4 e8 5c d0 b1 ff <0f> 0b e9 6e ff ff ff e8 60 99 ee ff e9 44 ff ff ff e8 56 99 ee ff RSP: 0018:ffffc90003ca7d88 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff88808b68c588 RCX: ffffc90006071000 RDX: 000000000000e21b RSI: ffffffff81c054c4 RDI: 0000000000000007 RBP: 0000000000000000 R08: ffff88808ac18080 R09: ffffed1043789757 R10: ffffed1043789756 R11: ffff88821bc4bab3 R12: ffff88808b68c5d0 R13: ffff8880a537cdc0 R14: ffff8880a537ce18 R15: 0000000000000000 inode_inc_link_count include/linux/fs.h:2199 [inline] minix_mkdir+0x71/0x1b0 fs/minix/namei.c:117 vfs_mkdir+0x419/0x670 fs/namei.c:3889 do_mkdirat+0x21e/0x280 fs/namei.c:3912 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007faede29dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007faede29e6d4 RCX: 000000000045c849 RDX: 00000000000001ff RSI: 0000000020000080 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000072e R14: 00000000004c9f13 R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..