EXT4-fs error (device loop5): ext4_xattr_ibody_find:2240: inode #15: comm syz.5.32787: corrupted in-inode xattr: invalid ea_ino
==================================================================
BUG: KCSAN: data-race in data_alloc / prb_reserve

write to 0xffffffff8667fa88 of 8 bytes by task 29964 on cpu 1:
 data_alloc+0x291/0x2c0 kernel/printk/printk_ringbuffer.c:1096
 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669
 vprintk_store+0x558/0x870 kernel/printk/printk.c:2326
 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2408
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447
 vprintk+0x75/0x80 kernel/printk/printk_safe.c:86
 _printk+0x7a/0xa0 kernel/printk/printk.c:2457
 __ext4_msg+0x18e/0x1a0 fs/ext4/super.c:998
 ext4_handle_error+0x4a9/0x4e0 fs/ext4/super.c:743
 __ext4_std_error+0x187/0x370 fs/ext4/super.c:978
 ext4_reserve_inode_write+0x1bd/0x200 fs/ext4/inode.c:5837
 __ext4_mark_inode_dirty+0x8e/0x440 fs/ext4/inode.c:6004
 ext4_dirty_inode+0x91/0xb0 fs/ext4/inode.c:6041
 __mark_inode_dirty+0x166/0x7e0 fs/fs-writeback.c:2515
 mark_inode_dirty_sync include/linux/fs.h:2490 [inline]
 dquot_alloc_space_nofail include/linux/quotaops.h:305 [inline]
 dquot_alloc_block_nofail include/linux/quotaops.h:331 [inline]
 ext4_mb_new_blocks+0x100c/0x2020 fs/ext4/mballoc.c:6179
 ext4_new_meta_blocks+0xc1/0x1a0 fs/ext4/balloc.c:750
 ext4_ext_grow_indepth fs/ext4/extents.c:1329 [inline]
 ext4_ext_create_new_leaf fs/ext4/extents.c:1433 [inline]
 ext4_ext_insert_extent+0x9d8/0x2880 fs/ext4/extents.c:2115
 ext4_ext_map_blocks+0x10be/0x35c0 fs/ext4/extents.c:4400
 ext4_map_create_blocks fs/ext4/inode.c:516 [inline]
 ext4_map_blocks+0x5aa/0xd20 fs/ext4/inode.c:702
 ext4_getblk+0x11f/0x530 fs/ext4/inode.c:849
 ext4_bread+0x2c/0x110 fs/ext4/inode.c:912
 ext4_quota_write+0x15a/0x370 fs/ext4/super.c:7285
 write_blk fs/quota/quota_tree.c:70 [inline]
 get_free_dqblk+0x1cc/0x2d0 fs/quota/quota_tree.c:136
 do_insert_tree+0x161/0x960 fs/quota/quota_tree.c:347
 do_insert_tree+0x71c/0x960 fs/quota/quota_tree.c:402
 do_insert_tree+0x71c/0x960 fs/quota/quota_tree.c:402
 do_insert_tree+0x6ef/0x960 fs/quota/quota_tree.c:402
 dq_insert_tree fs/quota/quota_tree.c:432 [inline]
 qtree_write_dquot+0x2e4/0x320 fs/quota/quota_tree.c:451
 v2_write_dquot+0xd3/0x130 fs/quota/quota_v2.c:372
 dquot_acquire+0x1ba/0x2b0 fs/quota/dquot.c:470
 ext4_acquire_dquot+0x170/0x210 fs/ext4/super.c:6934
 dqget+0x522/0x8b0 fs/quota/dquot.c:977
 __dquot_initialize+0x194/0x760 fs/quota/dquot.c:1505
 dquot_initialize+0x1a/0x20 fs/quota/dquot.c:1567
 ext4_process_orphan+0x32/0x1c0 fs/ext4/orphan.c:329
 ext4_orphan_cleanup+0x696/0x9e0 fs/ext4/orphan.c:474
 __ext4_fill_super fs/ext4/super.c:5610 [inline]
 ext4_fill_super+0x36bb/0x3a10 fs/ext4/super.c:5733
 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636
 get_tree_bdev+0x1f/0x30 fs/super.c:1659
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5765
 vfs_get_tree+0x56/0x1e0 fs/super.c:1814
 do_new_mount+0x227/0x690 fs/namespace.c:3511
 path_mount+0x49b/0xb30 fs/namespace.c:3838
 do_mount fs/namespace.c:3851 [inline]
 __do_sys_mount fs/namespace.c:4061 [inline]
 __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4038
 __x64_sys_mount+0x67/0x80 fs/namespace.c:4038
 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffffffff8667fa88 of 8 bytes by task 29962 on cpu 0:
 desc_read kernel/printk/printk_ringbuffer.c:482 [inline]
 desc_push_tail kernel/printk/printk_ringbuffer.c:778 [inline]
 desc_reserve kernel/printk/printk_ringbuffer.c:924 [inline]
 prb_reserve+0x235/0xb60 kernel/printk/printk_ringbuffer.c:1619
 vprintk_store+0x558/0x870 kernel/printk/printk.c:2326
 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2408
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447
 vprintk+0x75/0x80 kernel/printk/printk_safe.c:86
 _printk+0x7a/0xa0 kernel/printk/printk.c:2457
 __ext4_error+0x221/0x310 fs/ext4/super.c:830
 ext4_orphan_get+0x172/0x3e0 fs/ext4/ialloc.c:1392
 ext4_orphan_cleanup+0x5df/0x9e0 fs/ext4/orphan.c:467
 __ext4_fill_super fs/ext4/super.c:5610 [inline]
 ext4_fill_super+0x36bb/0x3a10 fs/ext4/super.c:5733
 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636
 get_tree_bdev+0x1f/0x30 fs/super.c:1659
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5765
 vfs_get_tree+0x56/0x1e0 fs/super.c:1814
 do_new_mount+0x227/0x690 fs/namespace.c:3511
 path_mount+0x49b/0xb30 fs/namespace.c:3838
 do_mount fs/namespace.c:3851 [inline]
 __do_sys_mount fs/namespace.c:4061 [inline]
 __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4038
 __x64_sys_mount+0x67/0x80 fs/namespace.c:4038
 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x00000000003d19d8 -> 0x000000000047c508

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 29962 Comm: syz.5.32787 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
==================================================================
EXT4-fs error (device loop5): ext4_orphan_get:1394: comm syz.5.32787: couldn't read orphan inode 15 (err -117)