commit | a4ac9d45c0cd14a2adc872186431c79804b77dbf | [log] [tgz] |
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author | Miklos Szeredi <mszeredi@redhat.com> | Mon Feb 03 11:41:53 2020 +0100 |
committer | Miklos Szeredi <mszeredi@redhat.com> | Mon Feb 03 11:41:53 2020 +0100 |
tree | c37419075e0c8749613de0955bf8678b9ff342fa | |
parent | 1a980b8cbf0059a5308eea61522f232fd03002e2 [diff] |
ovl: fix lseek overflow on 32bit ovl_lseek() is using ssize_t to return the value from vfs_llseek(). On a 32-bit kernel ssize_t is a 32-bit signed int, which overflows above 2 GB. Assign the return value of vfs_llseek() to loff_t to fix this. Reported-by: Boris Gjenero <boris.gjenero@gmail.com> Fixes: 9e46b840c705 ("ovl: support stacked SEEK_HOLE/SEEK_DATA") Cc: <stable@vger.kernel.org> # v4.19 Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>