loop3: detected capacity change from 0 to 512
==================================================================
BUG: KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru

write to 0xffff888237d2b910 of 8 bytes by task 8049 on cpu 1:
 __invalidate_bh_lrus fs/buffer.c:1509 [inline]
 invalidate_bh_lru+0x8b/0xf0 fs/buffer.c:1521
 csd_do_func kernel/smp.c:134 [inline]
 smp_call_function_many_cond+0x690/0xc20 kernel/smp.c:847
 on_each_cpu_cond_mask+0x3c/0x90 kernel/smp.c:1023
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x2a/0x30 fs/buffer.c:1540
 kill_bdev block/bdev.c:89 [inline]
 set_blocksize+0x25b/0x280 block/bdev.c:172
 sb_set_blocksize+0x2c/0xb0 block/bdev.c:181
 ext4_load_super fs/ext4/super.c:5060 [inline]
 __ext4_fill_super fs/ext4/super.c:5188 [inline]
 ext4_fill_super+0xdca/0x39e0 fs/ext4/super.c:5664
 get_tree_bdev+0x256/0x2e0 fs/super.c:1635
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5696
 vfs_get_tree+0x56/0x1d0 fs/super.c:1800
 do_new_mount+0x227/0x690 fs/namespace.c:3472
 path_mount+0x49b/0xb30 fs/namespace.c:3799
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x27c/0x2d0 fs/namespace.c:3997
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3997
 x64_sys_call+0x203e/0x2d60 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 0xffff888237d2b910 of 8 bytes by task 8045 on cpu 0:
 has_bh_in_lru+0x35/0x1f0 fs/buffer.c:1531
 smp_call_function_many_cond+0x2d5/0xc20 kernel/smp.c:809
 on_each_cpu_cond_mask+0x3c/0x90 kernel/smp.c:1023
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x2a/0x30 fs/buffer.c:1540
 kill_bdev block/bdev.c:89 [inline]
 set_blocksize+0x25b/0x280 block/bdev.c:172
 sb_set_blocksize+0x2c/0xb0 block/bdev.c:181
 ext4_load_super fs/ext4/super.c:5060 [inline]
 __ext4_fill_super fs/ext4/super.c:5188 [inline]
 ext4_fill_super+0xdca/0x39e0 fs/ext4/super.c:5664
 get_tree_bdev+0x256/0x2e0 fs/super.c:1635
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5696
 vfs_get_tree+0x56/0x1d0 fs/super.c:1800
 do_new_mount+0x227/0x690 fs/namespace.c:3472
 path_mount+0x49b/0xb30 fs/namespace.c:3799
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x27c/0x2d0 fs/namespace.c:3997
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3997
 x64_sys_call+0x203e/0x2d60 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: 0xffff88810645e4e0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 8045 Comm: syz.3.1231 Not tainted 6.11.0-rc2-syzkaller-00111-gee9a43b7cfe2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
==================================================================
EXT4-fs (loop3): revision level too high, forcing read-only mode
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=e040e018, mo2=0002]
System zones: 0-1, 15-15, 18-18, 34-34
EXT4-fs (loop3): orphan cleanup on readonly fs
Quota error (device loop3): v2_read_header: Failed header read: expected=8 got=0
EXT4-fs warning (device loop3): ext4_enable_quotas:7066: Failed to enable quota tracking (type=1, err=-22, ino=4). Please run e2fsck to fix.
EXT4-fs (loop3): Cannot turn on quotas: error -22
EXT4-fs error (device loop3): ext4_orphan_get:1417: comm syz.3.1231: bad orphan inode 16
ext4_test_bit(bit=15, block=18) = 1
is_bad_inode(inode)=0
NEXT_ORPHAN(inode)=0
max_ino=32
i_nlink=2
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: writeback.