[ext4?] WARNING in mb_find_extent

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: c4215ee4771b Linux 4.14.302
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10f07974480000
kernel config: https://syzkaller.appspot.com/x/.config?x=4a9988fe055c9527
dashboard link: https://syzkaller.appspot.com/bug?extid=92c41eb9476db3a702b7
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13bfe188480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14f62d6c480000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/c93ba055d204/disk-c4215ee4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/bfbc929a33c1/vmlinux-c4215ee4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/444658051770/bzImage-c4215ee4.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/5312805bd09c/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+92c41e...@syzkaller.appspotmail.com

======================================================
EXT4-fs (loop0): Quota format mount options ignored when QUOTA feature is enabled
EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!
EXT4-fs (loop0): orphan cleanup on readonly fs
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7970 at fs/ext4/mballoc.c:1560 mb_find_extent+0x5a2/0xa30 fs/ext4/mballoc.c:1560
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7970 Comm: syz-executor455 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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:967
RIP: 0010:mb_find_extent+0x5a2/0xa30 fs/ext4/mballoc.c:1560
RSP: 0018:ffff8880b3b16a40 EFLAGS: 00010297
RAX: ffff8880b2c3e100 RBX: 0000000000000029 RCX: ffff8880b3152900
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff8880b3152918
RBP: ffff8880b3b16c88 R08: 1ffff1101662a523 R09: 0000000000000005
R10: 0000000000000000 R11: ffff8880b2c3e100 R12: 0000000000000000
R13: ffff8880b3b16b80 R14: ffff8880b3b16b8c R15: 0000000000000041
ext4_mb_complex_scan_group+0x2c3/0x810 fs/ext4/mballoc.c:1977
ext4_mb_regular_allocator+0x82b/0xe70 fs/ext4/mballoc.c:2231
ext4_mb_new_blocks+0x1969/0x3db0 fs/ext4/mballoc.c:4604
ext4_ext_map_blocks+0x2845/0x6b10 fs/ext4/extents.c:4505
ext4_map_blocks+0x675/0x1730 fs/ext4/inode.c:656
ext4_getblk+0x98/0x420 fs/ext4/inode.c:992
ext4_bread+0x6c/0x1b0 fs/ext4/inode.c:1042
ext4_quota_write+0x187/0x420 fs/ext4/super.c:5902
write_blk+0x106/0x1e0 fs/quota/quota_tree.c:72
get_free_dqblk+0xf3/0x330 fs/quota/quota_tree.c:133
do_insert_tree+0x34b/0x1060 fs/quota/quota_tree.c:343
do_insert_tree+0xe85/0x1060 fs/quota/quota_tree.c:374
do_insert_tree+0xe85/0x1060 fs/quota/quota_tree.c:374
do_insert_tree+0xe85/0x1060 fs/quota/quota_tree.c:374
dq_insert_tree fs/quota/quota_tree.c:400 [inline]
qtree_write_dquot+0x18a/0x4e0 fs/quota/quota_tree.c:419
v2_write_dquot+0x10f/0x240 fs/quota/quota_v2.c:359
dquot_acquire+0x220/0x470 fs/quota/dquot.c:436
ext4_acquire_dquot+0x1b8/0x290 fs/ext4/super.c:5558
dqget+0x6a0/0xe90 fs/quota/dquot.c:897
__dquot_initialize+0x2fb/0xa70 fs/quota/dquot.c:1471
ext4_orphan_cleanup fs/ext4/super.c:2606 [inline]
ext4_fill_super+0x7261/0xb3c0 fs/ext4/super.c:4475
mount_bdev+0x2b3/0x360 fs/super.c:1134
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+0x5e/0xd3
RIP: 0033:0x7f2cdbb56c3a
RSP: 002b:00007fffcab1e078 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2cdbb56c3a
RDX: 0000000020000040 RSI: 0000000020000500 RDI: 00007fffcab1e080
RBP: 00007fffcab1e080 R08: 00007fffcab1e0c0 R09: 0000000000002dd1
R10: 0000000000000047 R11: 0000000000000206 R12: 0000000000000004
R13: 000055555568c2c0 R14: 00007fffcab1e0c0 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..


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