MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7099 at fs/inode.c:360 inc_nlink+0x11e/0x130 fs/inode.c:360 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7099 Comm: syz-executor172 Not tainted 5.7.0-rc1-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+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1ac/0x2d0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] do_error_trap+0xca/0x1c0 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+0x11e/0x130 fs/inode.c:360 Code: ef ff e9 38 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 49 ff ff ff 4c 89 ef e8 7c 93 ef ff e9 3c ff ff ff e8 72 b5 b1 ff <0f> 0b eb 80 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 RSP: 0018:ffffc90001627dc0 EFLAGS: 00010293 RAX: ffffffff81c1ad5e RBX: 1ffff11010bdff49 RCX: ffff88808fc52400 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81c1acd8 R09: ffffc90001627db0 R10: fffff520002c4fba R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888085effa48 R14: ffff888085effa00 R15: 0000000000000000 inode_inc_link_count include/linux/fs.h:2204 [inline] minix_mkdir+0x3b/0x200 fs/minix/namei.c:117 vfs_mkdir+0x42a/0x620 fs/namei.c:3625 do_mkdirat+0x1b9/0x310 fs/namei.c:3648 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x4449f9 Code: 0d d8 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 db d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc6f32e688 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc6f32e690 RCX: 00000000004449f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000020000400 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000400de0 R10: 00007ffc6f32e560 R11: 0000000000000246 R12: 0000000000402660 R13: 00000000004026f0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..