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WARNING: CPU: 1 PID: 20689 at fs/inode.c:359 inc_nlink+0x144/0x160 fs/inode.c:359
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 20689 Comm: syz-executor.4 Not tainted 5.6.0-rc3-next-20200228-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:175 [inline]
 fixup_bug arch/x86/kernel/traps.c:170 [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:359
Code: ff 4c 89 e7 e8 dd 9d ee ff e9 42 ff ff ff 4c 89 e7 e8 60 9d ee ff e9 fc fe ff ff 4c 89 e7 e8 53 9d ee ff eb d4 e8 bc 7c b1 ff <0f> 0b e9 6e ff ff ff e8 50 9d ee ff e9 44 ff ff ff e8 46 9d ee ff
RSP: 0018:ffffc90008667d88 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff888032008680 RCX: ffffc90011cf0000
RDX: 000000000000d8a4 RSI: ffffffff81c118c4 RDI: 0000000000000007
RBP: 0000000000000000 R08: ffff88804c234500 R09: ffffed1043789757
R10: ffffed1043789756 R11: ffff88821bc4bab3 R12: ffff8880320086c8
R13: ffff88802ede0580 R14: ffff88802ede05d8 R15: 0000000000000000
 inode_inc_link_count include/linux/fs.h:2198 [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+0xf6/0x790 arch/x86/entry/common.c:295
 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:00007f9a1b2b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f9a1b2b56d4 RCX: 000000000045c849
RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000020000000
RBP: 000000000076c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000072c R14: 00000000004c230d R15: 000000000076c04c
Kernel Offset: disabled
Rebooting in 86400 seconds..