loop4: detected capacity change from 0 to 512
==================================================================
BUG: KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru

write to 0xffff888237d28478 of 8 bytes by task 19761 on cpu 1:
 __invalidate_bh_lrus fs/buffer.c:1392 [inline]
 invalidate_bh_lru+0xad/0x110 fs/buffer.c:1404
 smp_call_function_many_cond+0x5a5/0x790 kernel/smp.c:979
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1154
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x26/0x30 fs/buffer.c:1423
 kill_bdev block/bdev.c:74 [inline]
 set_blocksize+0x242/0x270 block/bdev.c:151
 sb_set_blocksize block/bdev.c:160 [inline]
 sb_min_blocksize+0x92/0x110 block/bdev.c:176
 __ext4_fill_super fs/ext4/super.c:4346 [inline]
 ext4_fill_super+0x3b7/0x5000 fs/ext4/super.c:5517
 get_tree_bdev+0x2b4/0x3b0 fs/super.c:1323
 ext4_get_tree+0x18/0x20 fs/ext4/super.c:5547
 vfs_get_tree+0x49/0x190 fs/super.c:1530
 do_new_mount+0x200/0x650 fs/namespace.c:3040
 path_mount+0x4ad/0xbb0 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x281/0x2d0 fs/namespace.c:3568
 __x64_sys_mount+0x63/0x70 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff888237d28478 of 8 bytes by task 19762 on cpu 0:
 has_bh_in_lru+0x31/0x1c0 fs/buffer.c:1414
 smp_call_function_many_cond+0x34a/0x790 kernel/smp.c:936
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1154
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x26/0x30 fs/buffer.c:1423
 kill_bdev block/bdev.c:74 [inline]
 set_blocksize+0x242/0x270 block/bdev.c:151
 sb_set_blocksize block/bdev.c:160 [inline]
 sb_min_blocksize+0x92/0x110 block/bdev.c:176
 __ext4_fill_super fs/ext4/super.c:4346 [inline]
 ext4_fill_super+0x3b7/0x5000 fs/ext4/super.c:5517
 get_tree_bdev+0x2b4/0x3b0 fs/super.c:1323
 ext4_get_tree+0x18/0x20 fs/ext4/super.c:5547
 vfs_get_tree+0x49/0x190 fs/super.c:1530
 do_new_mount+0x200/0x650 fs/namespace.c:3040
 path_mount+0x4ad/0xbb0 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x281/0x2d0 fs/namespace.c:3568
 __x64_sys_mount+0x63/0x70 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0xffff888148b4bb60 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 19762 Comm: syz-executor.4 Not tainted 6.0.0-rc1-syzkaller-00409-ge3f259d33c0e-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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EXT4-fs (loop4): bad geometry: first data block 218103809 is beyond end of filesystem (256)