------------[ cut here ]------------ WARNING: CPU: 1 PID: 8218 at fs/inode.c:360 inc_nlink+0x144/0x160 fs/inode.c:360 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8218 Comm: syz-executor.2 Not tainted 5.8.0-rc4-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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x45 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542 RIP: 0010:inc_nlink+0x144/0x160 fs/inode.c:360 Code: ff 4c 89 e7 e8 1d a0 ee ff e9 42 ff ff ff 4c 89 e7 e8 a0 9f ee ff e9 fc fe ff ff 4c 89 e7 e8 93 9f ee ff eb d4 e8 8c 3b af ff <0f> 0b e9 6e ff ff ff e8 90 9f ee ff e9 44 ff ff ff e8 86 9f ee ff RSP: 0018:ffffc9001b8ffda0 EFLAGS: 00010212 RAX: 000000000000d3d4 RBX: ffff88808ae2c580 RCX: ffffc9001796d000 RDX: 0000000000040000 RSI: ffffffff81c47e74 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880aa208ab3 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808ae2c5c8 R13: ffff888044e5c5c0 R14: 00000000000000fa R15: 0000000000000008 inode_inc_link_count include/linux/fs.h:2207 [inline] minix_mkdir+0x71/0x1b0 fs/minix/namei.c:117 vfs_mkdir+0x508/0x790 fs/namei.c:3641 do_mkdirat+0x262/0x2d0 fs/namei.c:3664 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cba9 Code: Bad RIP value. RSP: 002b:00007fdfca2b7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00000000004f76c0 RCX: 000000000045cba9 RDX: 0000000000000008 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000767 R14: 00000000004ca5c9 R15: 00007fdfca2b86d4 Kernel Offset: disabled Rebooting in 86400 seconds..