loop3: detected capacity change from 0 to 4
EXT4-fs (loop3): invalid first ino: 0
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BUG: KCSAN: data-race in blkdev_put / blkdev_put

read-write to 0xffff8881004266e8 of 4 bytes by task 9584 on cpu 1:
 blkdev_put_whole block/bdev.c:686 [inline]
 blkdev_put+0x2c7/0x440 block/bdev.c:947
 blkdev_close+0x32/0x40 block/fops.c:512
 __fput+0x292/0x510 fs/file_table.c:317
 ____fput+0x11/0x20 fs/file_table.c:350
 task_work_run+0x8e/0x110 kernel/task_work.c:164
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x124/0x130 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:201 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x6a/0x90 kernel/entry/common.c:294
 do_syscall_64+0x37/0x70 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff8881004266e8 of 4 bytes by task 13197 on cpu 0:
 blkdev_put+0x3b/0x440 block/bdev.c:902
 kill_block_super+0x7b/0x90 fs/super.c:1397
 deactivate_locked_super+0x6a/0xb0 fs/super.c:332
 get_tree_bdev+0x2d0/0x3b0 fs/super.c:1294
 vfs_get_tree+0x49/0x190 fs/super.c:1497
 do_new_mount+0x200/0x650 fs/namespace.c:3040
 path_mount+0x4b1/0xb60 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+0x44/0xae

value changed: 0x00000004 -> 0x00000003

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13197 Comm: syz-executor.3 Not tainted 5.18.0-rc7-syzkaller-00121-g3d7285a335ed-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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