EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 not in group (block 18)!
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BUG: KCSAN: data-race in data_alloc / data_push_tail

write to 0xffffffff86dfa6e0 of 8 bytes by task 13286 on cpu 0:
 data_alloc+0x216/0x2c0
 prb_reserve+0x893/0xbc0
 vprintk_store+0x53d/0x800
 vprintk_emit+0xd0/0x430
 vprintk_default+0x26/0x30
 vprintk+0x83/0x90
 _printk+0x7a/0xa0
 __ext4_msg+0x18a/0x1a0
 ext4_group_desc_init+0x12fd/0x1470
 ext4_fill_super+0x2c4a/0x44e0
 get_tree_bdev+0x2b1/0x3a0
 ext4_get_tree+0x1c/0x20
 vfs_get_tree+0x51/0x190
 do_new_mount+0x200/0x650
 path_mount+0x493/0xb00
 __se_sys_mount+0x27f/0x2d0
 __x64_sys_mount+0x67/0x80
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffffffff86dfa6e0 of 8 bytes by task 13289 on cpu 1:
 data_push_tail+0x102/0x430
 data_alloc+0xbe/0x2c0
 prb_reserve+0x893/0xbc0
 vprintk_store+0x53d/0x800
 vprintk_emit+0xd0/0x430
 vprintk_default+0x26/0x30
 vprintk+0x83/0x90
 _printk+0x7a/0xa0
 __ext4_msg+0x18a/0x1a0
 ext4_group_desc_init+0x12fd/0x1470
 ext4_fill_super+0x2c4a/0x44e0
 get_tree_bdev+0x2b1/0x3a0
 ext4_get_tree+0x1c/0x20
 vfs_get_tree+0x51/0x190
 do_new_mount+0x200/0x650
 path_mount+0x493/0xb00
 __se_sys_mount+0x27f/0x2d0
 __x64_sys_mount+0x67/0x80
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x0000000100000caf -> 0x0000000100001b40

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 13289 Comm: syz-executor.3 Not tainted 6.2.0-rc7-syzkaller-00011-g05ecb680708a-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
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EXT4-fs (loop3): group descriptors corrupted!