diff options
author | Jann Horn <jann@thejh.net> | 2015-04-18 20:48:39 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-19 16:46:21 -0400 |
commit | 8b01fc86b9f425899f8a3a8fc1c47d73c2c20543 (patch) | |
tree | 99e05c7758aed78cfaf10556cbe7057efaa5c02c /lib | |
parent | 5224b9613b91d937c6948fe977023247afbcc04e (diff) |
fs: take i_mutex during prepare_binprm for set[ug]id executables
This prevents a race between chown() and execve(), where chowning a
setuid-user binary to root would momentarily make the binary setuid
root.
This patch was mostly written by Linus Torvalds.
Signed-off-by: Jann Horn <jann@thejh.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions