ext4_ext_put_gap_in_cache fs/ext4/extents.c:2398 [inline]
 ext4_ext_map_blocks+0x1e2c/0x6b10 fs/ext4/extents.c:4407
------------[ cut here ]------------
WARNING: CPU: 1 PID: 22049 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163
Kernel panic - not syncing: panic_on_warn set ...

 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579
 ext4_getblk+0x98/0x3f0 fs/ext4/inode.c:992
 ext4_bread+0x6c/0x1a0 fs/ext4/inode.c:1042
 ext4_append+0x143/0x350 fs/ext4/namei.c:65
 ext4_init_new_dir fs/ext4/namei.c:2664 [inline]
 ext4_mkdir+0x4c9/0xbd0 fs/ext4/namei.c:2711
 vfs_mkdir+0x463/0x6e0 fs/namei.c:3849
 SYSC_mkdirat fs/namei.c:3872 [inline]
 SyS_mkdirat+0x1fd/0x270 fs/namei.c:3856
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f192917e387
RSP: 002b:00007f1927af3f88 EFLAGS: 00000213 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00000000200017c0 RCX: 00007f192917e387
RDX: 00000000000001ff RSI: 00000000200003c0 RDI: 00000000ffffff9c
RBP: 00007f1927af41d0 R08: 0000000000000000 R09: 00007f1927af41d0
R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000340
R13: 00000000200003c0 R14: 00007f1927af3fe0 R15: 00000000200019c0
CPU: 1 PID: 22049 Comm: syz-executor.3 Not tainted 4.14.290-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 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:kill_block_super+0xbe/0xe0 fs/super.c:1163
RSP: 0018:ffff88809d65fbc8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000b248000
RDX: 0000000000040000 RSI: ffffffff81875ece RDI: ffff88808ff01830
RBP: ffff88808ca025c0 R08: ffffffff8b9ba630 R09: 0000000000000001
R10: 0000000000000000 R11: ffff888098b28580 R12: ffff88808ff01380
R13: ffffffff89202310 R14: ffffffff88f45760 R15: dffffc0000000000
 deactivate_locked_super+0x6c/0xd0 fs/super.c:319
 sget_userns+0x9c4/0xc10 fs/super.c:537
 sget+0xd1/0x110 fs/super.c:572
 mount_bdev+0xcd/0x360 fs/super.c:1107
 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2572 [inline]
 do_mount+0xe65/0x2a30 fs/namespace.c:2905
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f70ce2a07aa
RSP: 002b:00007f70ccc13f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000200017c0 RCX: 00007f70ce2a07aa
RDX: 0000000020000340 RSI: 00000000200003c0 RDI: 00007f70ccc13fe0
RBP: 00007f70ccc14020 R08: 00007f70ccc14020 R09: 0000000020000340
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000340
R13: 00000000200003c0 R14: 00007f70ccc13fe0 R15: 00000000200019c0
Kernel Offset: disabled
Rebooting in 86400 seconds..