AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/fs/overlayfs
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Miklos Szeredi a4ac9d45c0 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: 9e46b840c7 ("ovl: support stacked SEEK_HOLE/SEEK_DATA")
Cc: <stable@vger.kernel.org> # v4.19
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2020-02-03 11:41:53 +01:00
..
copy_up.c ovl: improving copy-up efficiency for big sparse file 2020-01-22 20:11:41 +01:00
dir.c ovl: use pr_fmt auto generate prefix 2020-01-22 20:11:41 +01:00
export.c ovl: layer is const 2020-01-24 09:46:45 +01:00
file.c ovl: fix lseek overflow on 32bit 2020-02-03 11:41:53 +01:00
inode.c ovl: fix corner case of non-constant st_dev;st_ino 2020-01-24 09:46:45 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
namei.c ovl: generalize the lower_layers[] array 2020-01-22 20:11:41 +01:00
overlayfs.h ovl: implement async IO routines 2020-01-24 09:46:46 +01:00
ovl_entry.h ovl: layer is const 2020-01-24 09:46:45 +01:00
readdir.c ovl: layer is const 2020-01-24 09:46:45 +01:00
super.c ovl: implement async IO routines 2020-01-24 09:46:46 +01:00
util.c ovl: layer is const 2020-01-24 09:46:45 +01:00