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