[Bug 291064] locking bug in fuse_vnop_read()

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291064

Alan Somers <[email protected]> changed:

           What    |Removed                     |Added
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           Assignee|[email protected]              |[email protected]

--- Comment #15 from Alan Somers <[email protected]> ---
I reproduced it with exfat using these steps.  I'll try to fix it, starting
with kib's patch.

$ sudo pkg install exfat-utils fusefs-exfat
$ truncate -s 1g /tmp/exfat.img
$ mkfs.exfat /tmp/exfat.img
$ sudo mount.exfat-fuse -o default_permissions,noatime,allow_other
/tmp/exfat.img /mnt
$ sudo mkdir /mnt/tmp
$ sudo chmod 777 /mnt/tmp 
$ dd if=/dev/random bs=1m of=/mnt/tmp/randfile
dd: /mnt/tmp/randfile: No space left on device
1024+0 records in
1023+0 records out
1072693248 bytes transferred in 4.376390 secs (245109149 bytes/sec
$ sudo umount /mnt
$ sudo mount.exfat-fuse -o default_permissions,noatime,allow_other
/tmp/exfat.img /mnt
$ md5 /mnt/tmp/randfile

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