Quota error (device loop2): v2_read_file_info: Free block number too big (0 >= 0).
EXT4-fs warning (device loop2): ext4_enable_quotas:7001: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix.
==================================================================
BUG: KCSAN: data-race in data_push_tail / number

write to 0xffffffff86f2b826 of 1 bytes by task 28121 on cpu 1:
 number+0x7d0/0xa90 lib/vsprintf.c:562
 vsnprintf+0xa44/0xe20 lib/vsprintf.c:2862
 va_format lib/vsprintf.c:1681 [inline]
 pointer+0x8a1/0xd10 lib/vsprintf.c:2427
 vsnprintf+0x861/0xe20 lib/vsprintf.c:2800
 vscnprintf+0x42/0x80 lib/vsprintf.c:2902
 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2137
 vprintk_store+0x56f/0x800 kernel/printk/printk.c:2251
 vprintk_emit+0xd0/0x430 kernel/printk/printk.c:2297
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2327
 vprintk+0x83/0x90 kernel/printk/printk_safe.c:50
 _printk+0x7a/0xa0 kernel/printk/printk.c:2337
 __ext4_error+0x21c/0x310 fs/ext4/super.c:769
 ext4_quota_enable fs/ext4/super.c:6959 [inline]
 ext4_enable_quotas+0x2a4/0x480 fs/ext4/super.c:6993
 ext4_orphan_cleanup+0x353/0x9c0 fs/ext4/orphan.c:432
 __ext4_fill_super fs/ext4/super.c:5509 [inline]
 ext4_fill_super+0x412f/0x43f0 fs/ext4/super.c:5637
 get_tree_bdev+0x2b1/0x3a0 fs/super.c:1303
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5668
 vfs_get_tree+0x51/0x190 fs/super.c:1510
 do_new_mount+0x200/0x650 fs/namespace.c:3042
 path_mount+0x498/0xb40 fs/namespace.c:3372
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3571
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffffffff86f2b820 of 8 bytes by task 28118 on cpu 0:
 data_make_reusable kernel/printk/printk_ringbuffer.c:590 [inline]
 data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:675
 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1046
 prb_reserve+0x893/0xbc0 kernel/printk/printk_ringbuffer.c:1555
 vprintk_store+0x53e/0x800 kernel/printk/printk.c:2241
 vprintk_emit+0xd0/0x430 kernel/printk/printk.c:2297
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2327
 vprintk+0x83/0x90 kernel/printk/printk_safe.c:50
 _printk+0x7a/0xa0 kernel/printk/printk.c:2337
 __ext4_warning+0x12c/0x140 fs/ext4/super.c:962
 ext4_enable_quotas+0x3a1/0x480 fs/ext4/super.c:6997
 ext4_orphan_cleanup+0x353/0x9c0 fs/ext4/orphan.c:432
 __ext4_fill_super fs/ext4/super.c:5509 [inline]
 ext4_fill_super+0x412f/0x43f0 fs/ext4/super.c:5637
 get_tree_bdev+0x2b1/0x3a0 fs/super.c:1303
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5668
 vfs_get_tree+0x51/0x190 fs/super.c:1510
 do_new_mount+0x200/0x650 fs/namespace.c:3042
 path_mount+0x498/0xb40 fs/namespace.c:3372
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3571
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x000000010001704d -> 0x0000203a65646f6e

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 28118 Comm: syz-executor.2 Not tainted 6.3.0-rc7-syzkaller-00181-g8e41e0a57566 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
==================================================================
EXT4-fs (loop2): Cannot turn on quotas: error -117
EXT4-fs error (device loop2): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 106 vs 41 free clusters
EXT4-fs (loop2): 1 orphan inode deleted