loop2: detected capacity change from 0 to 1764
==================================================================
BUG: KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru

write to 0xffff888237c2b990 of 8 bytes by task 12009 on cpu 0:
 __invalidate_bh_lrus fs/buffer.c:1511 [inline]
 invalidate_bh_lru+0x8b/0xf0 fs/buffer.c:1523
 csd_do_func kernel/smp.c:133 [inline]
 smp_call_function_many_cond+0x690/0xc20 kernel/smp.c:846
 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:1542
 invalidate_bdev+0x42/0x70 block/bdev.c:99
 __ext4_fill_super fs/ext4/super.c:5651 [inline]
 ext4_fill_super+0x6f3/0x39e0 fs/ext4/super.c:5676
 get_tree_bdev+0x253/0x2e0 fs/super.c:1615
 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5708
 vfs_get_tree+0x56/0x1d0 fs/super.c:1780
 do_new_mount+0x227/0x690 fs/namespace.c:3352
 path_mount+0x49b/0xb30 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3875
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3875
 x64_sys_call+0x25c9/0x2d70 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 0xffff888237c2b990 of 8 bytes by task 12010 on cpu 1:
 has_bh_in_lru+0x35/0x1f0 fs/buffer.c:1533
 smp_call_function_many_cond+0x2d5/0xc20 kernel/smp.c:808
 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:1542
 kill_bdev block/bdev.c:89 [inline]
 set_blocksize+0x283/0x2b0 block/bdev.c:172
 sb_set_blocksize+0x2c/0xb0 block/bdev.c:181
 isofs_fill_super+0xa2a/0x12a0 fs/isofs/inode.c:824
 get_tree_bdev+0x253/0x2e0 fs/super.c:1615
 isofs_get_tree+0x1c/0x30 fs/isofs/inode.c:1534
 vfs_get_tree+0x56/0x1d0 fs/super.c:1780
 do_new_mount+0x227/0x690 fs/namespace.c:3352
 path_mount+0x49b/0xb30 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3875
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3875
 x64_sys_call+0x25c9/0x2d70 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: 0xffff888123dfa068 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 12010 Comm: syz.2.2584 Tainted: G        W          6.10.0-rc5-syzkaller-00018-g55027e689933 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
==================================================================
ISOFS: root inode is unusable. Disabling Rock Ridge and switching to Joliet.
ISOFS: unable to read i-node block
isofs_fill_super: get root inode failed
team0: Port device team_slave_0 removed