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fs

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    • user avatar
    fs: take i_mutex during prepare_binprm for set[ug]id executables
    Jann Horn authored and Linus Torvalds committed 
    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: default avatarJann Horn <jann@thejh.net>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    8b01fc86
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