EXT4-fs error (device loop2): ext4_xattr_ibody_find:2264: inode #15: comm syz-executor.2: corrupted in-inode xattr: overlapping e_value 
EXT4-fs error (device loop2): ext4_orphan_get:1397: comm syz-executor.2: couldn't read orphan inode 15 (err -117)
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BUG: KCSAN: data-race in data_push_tail / number

write to 0xffffffff86f081de of 1 bytes by task 12964 on cpu 1:
 number+0x3eb/0xa90 lib/vsprintf.c:527
 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:2126
 vprintk_store+0x56f/0x800 kernel/printk/printk.c:2240
 vprintk_emit+0xd0/0x430 kernel/printk/printk.c:2286
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2316
 vprintk+0x83/0x90 kernel/printk/printk_safe.c:50
 _printk+0x7a/0xa0 kernel/printk/printk.c:2326
 __ext4_error+0x21c/0x310 fs/ext4/super.c:769
 ext4_orphan_get+0x172/0x3e0 fs/ext4/ialloc.c:1395
 ext4_orphan_cleanup+0x5be/0x9c0 fs/ext4/orphan.c:467
 __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:3039
 path_mount+0x498/0xb40 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3568
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3568
 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 0xffffffff86f081d8 of 8 bytes by task 12966 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:2230
 vprintk_emit+0xd0/0x430 kernel/printk/printk.c:2286
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2316
 vprintk+0x83/0x90 kernel/printk/printk_safe.c:50
 _printk+0x7a/0xa0 kernel/printk/printk.c:2326
 __ext4_error+0x21c/0x310 fs/ext4/super.c:769
 ext4_orphan_get+0x172/0x3e0 fs/ext4/ialloc.c:1395
 ext4_orphan_cleanup+0x5be/0x9c0 fs/ext4/orphan.c:467
 __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:3039
 path_mount+0x498/0xb40 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3568
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3568
 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: 0x00000000fffff837 -> 0x3731312d20727265

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 12966 Comm: syz-executor.2 Not tainted 6.3.0-syzkaller-04626-g0cfd8703e7da #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
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