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authorJann Horn <jann@thejh.net>2015-04-19 02:48:39 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-19 13:46:21 -0700
commit8b01fc86b9f425899f8a3a8fc1c47d73c2c20543 (patch)
tree99e05c7758aed78cfaf10556cbe7057efaa5c02c /firmware/cpia2
parent5224b9613b91d937c6948fe977023247afbcc04e (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 'firmware/cpia2')
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