]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 8d14aed) | patch
9P: Cast to loff_t before multiplying
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Sun, 4 Oct 2020 18:04:22 +0000 (19:04 +0100)
committerDominique Martinet <asmadeus@codewreck.org>
Wed, 7 Oct 2020 21:57:30 +0000 (23:57 +0200)
commit85f51fe6a301a7bcdefa456226ffbb9d5db50baf
tree4b45d50fabc82567e0d5aaadec5d085bca747841tree | snapshot
parent8d14aede3a4dea0a8529c8aa849876125c838e4bcommit | diff
9P: Cast to loff_t before multiplying

On 32-bit systems, this multiplication will overflow for files larger
than 4GB.

Link: http://lkml.kernel.org/r/20201004180428.14494-2-willy@infradead.org
Cc: stable@vger.kernel.org
Fixes: f2608b0fe4b9 ("9P: introduction of a new cache=mmap model.")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
fs/9p/vfs_file.c diff | blob | history
Linux Kernel Source Tree.