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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-13 05:50:02 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-13 05:50:02 +0100 |
| commit | e34bac726d27056081d0250c0e173e4b155aa340 (patch) | |
| tree | 85607d0b3b185380fb3267866020c6a4372b9298 /kernel/sys.c | |
| parent | treewide: Make remaining source files non-executable (diff) | |
| parent | init: reduce rootwait polling interval time to 5ms (diff) | |
| download | linux-e34bac726d27056081d0250c0e173e4b155aa340.tar.xz linux-e34bac726d27056081d0250c0e173e4b155aa340.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
- various misc bits
- most of MM (quite a lot of MM material is awaiting the merge of
linux-next dependencies)
- kasan
- printk updates
- procfs updates
- MAINTAINERS
- /lib updates
- checkpatch updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (123 commits)
init: reduce rootwait polling interval time to 5ms
binfmt_elf: use vmalloc() for allocation of vma_filesz
checkpatch: don't emit unified-diff error for rename-only patches
checkpatch: don't check c99 types like uint8_t under tools
checkpatch: avoid multiple line dereferences
checkpatch: don't check .pl files, improve absolute path commit log test
scripts/checkpatch.pl: fix spelling
checkpatch: don't try to get maintained status when --no-tree is given
lib/ida: document locking requirements a bit better
lib/rbtree.c: fix typo in comment of ____rb_erase_color
lib/Kconfig.debug: make CONFIG_STRICT_DEVMEM depend on CONFIG_DEVMEM
MAINTAINERS: add drm and drm/i915 irc channels
MAINTAINERS: add "C:" for URI for chat where developers hang out
MAINTAINERS: add drm and drm/i915 bug filing info
MAINTAINERS: add "B:" for URI where to file bugs
get_maintainer: look for arbitrary letter prefixes in sections
printk: add Kconfig option to set default console loglevel
printk/sound: handle more message headers
printk/btrfs: handle more message headers
printk/kdb: handle more message headers
...
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 78c9fb7dd680..9758892a2d09 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1697,16 +1697,6 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) fput(exe_file); } - /* - * The symlink can be changed only once, just to disallow arbitrary - * transitions malicious software might bring in. This means one - * could make a snapshot over all processes running and monitor - * /proc/pid/exe changes to notice unusual activity if needed. - */ - err = -EPERM; - if (test_and_set_bit(MMF_EXE_FILE_CHANGED, &mm->flags)) - goto exit; - err = 0; /* set the new file, lockless */ get_file(exe.file); |