From ee5ff037654168d0829c3219ce7d89ab202af40d Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Wed, 18 Mar 2026 04:49:22 +0000 Subject: nvmutil tmpdir: check world-writeable / sticky bits must be world writeable and not have sticky bits a bit theoretical, but we're also reading TMPDIR, which could be anything due to how this is called, it defaults back to /tmp if null is returned, so itt's safe Signed-off-by: Leah Rowe --- util/nvmutil/nvmutil.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'util/nvmutil/nvmutil.h') diff --git a/util/nvmutil/nvmutil.h b/util/nvmutil/nvmutil.h index 94ad8f62..4d8c3ab2 100644 --- a/util/nvmutil/nvmutil.h +++ b/util/nvmutil/nvmutil.h @@ -28,6 +28,14 @@ int fchmod(int fd, mode_t mode); #define OFF_RESET 1 #endif +#ifndef S_ISVTX +#define S_ISVTX 01000 +#endif + +#if defined(S_IFMT) && ((S_ISVTX & S_IFMT) != 0) +#error "Unexpected bit layout" +#endif + #ifndef MAX_ZERO_RW_RETRY #define MAX_ZERO_RW_RETRY 5 #endif -- cgit v1.2.1