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| author | Hao Ge <[email protected]> | 2023-04-24 13:18:35 +0800 |
|---|---|---|
| committer | Christian Brauner <[email protected]> | 2023-05-17 15:25:18 +0200 |
| commit | f15afbd34d8fadbd375f1212e97837e32bc170cc (patch) | |
| tree | 49005bffe38ef81d5b4b297240e0e3de1d76bed1 /lib/mpi/mpi-cmp.c | |
| parent | f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6 (diff) | |
fs: fix undefined behavior in bit shift for SB_NOUSER
Shifting signed 32-bit value by 31 bits is undefined, so changing
significant bit to unsigned. It was spotted by UBSAN.
So let's just fix this by using the BIT() helper for all SB_* flags.
Fixes: e462ec50cb5f ("VFS: Differentiate mount flags (MS_*) from internal superblock flags")
Signed-off-by: Hao Ge <[email protected]>
Message-Id: <[email protected]>
[[email protected]: use BIT() for all SB_* flags]
Signed-off-by: Christian Brauner <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-cmp.c')
0 files changed, 0 insertions, 0 deletions