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fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message
authorMiklos Szeredi <mszeredi@suse.cz>
Wed, 24 Aug 2011 08:20:17 +0000 (10:20 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 29 Aug 2011 21:08:09 +0000 (14:08 -0700)
commit7b1ef6c0a199bd93899f167f459627dd9421913a
tree21127c35bef51ac8fdc58a3d6c976b3c09714e0etree | snapshot
parent035fac5844e2cbc3bb485b6d274b4266c27aeeb2commit | diff
fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message

commit c2183d1e9b3f313dd8ba2b1b0197c8d9fb86a7ae upstream.

FUSE_NOTIFY_INVAL_ENTRY didn't check the length of the write so the
message processing could overrun and result in a "kernel BUG at
fs/fuse/dev.c:629!"

Reported-by: Han-Wen Nienhuys <hanwenn@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/fuse/dev.c diff | blob | history
Linux kernel for KaRo TX COM modules