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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-10 14:40:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-10 14:40:21 -0800 |
| commit | f4fd2c5b6f691ff71614acbc28461b3c1488c81b (patch) | |
| tree | 7f0141d303ba548bfa221f178e580f68e84303de | |
| parent | 711a49a07f84f914aac26a52143f6e7526571143 (diff) | |
| parent | 85f334666a771680472722eee43ae0fc8730a619 (diff) | |
| download | linux-f4fd2c5b6f691ff71614acbc28461b3c1488c81b.tar.bz2 | |
Merge branch 'to-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland
* 'to-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland:
tracehook: exec double-reporting fix
| -rw-r--r-- | fs/exec.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c index 4e834f16d9da..ec5df9a38313 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1159,6 +1159,7 @@ EXPORT_SYMBOL(remove_arg_zero); */ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) { + unsigned int depth = bprm->recursion_depth; int try,retval; struct linux_binfmt *fmt; #ifdef __alpha__ @@ -1219,8 +1220,15 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) continue; read_unlock(&binfmt_lock); retval = fn(bprm, regs); + /* + * Restore the depth counter to its starting value + * in this call, so we don't have to rely on every + * load_binary function to restore it on return. + */ + bprm->recursion_depth = depth; if (retval >= 0) { - tracehook_report_exec(fmt, bprm, regs); + if (depth == 0) + tracehook_report_exec(fmt, bprm, regs); put_binfmt(fmt); allow_write_access(bprm->file); if (bprm->file) |