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fs/ntfs3: increase CLIENT_REC name field size

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This patch increases the size of the CLIENT_REC name field from 32 utf-16
chars to 64 utf-16 chars. It fixes the buffer overflow problem in
log_replay() reported by Robbert Morris.

Reported-by: <rtm@csail.mit.edu>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Konstantin Komarov 2026-03-19 14:29:26 +01:00
parent e98266e823
commit 81ad9e67ec
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GPG Key ID: A9B0331F832407B6
1 changed files with 2 additions and 2 deletions
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fs/ntfs3/fslog.c
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@ -45,10 +45,10 @@ struct CLIENT_REC {
__le16 seq_num; // 0x14:
u8 align[6]; // 0x16:
__le32 name_bytes; // 0x1C: In bytes.
__le16 name[32]; // 0x20: Name of client.
__le16 name[64]; // 0x20: Name of client.
};
static_assert(sizeof(struct CLIENT_REC) == 0x60);
static_assert(sizeof(struct CLIENT_REC) == 0xa0);
/* Two copies of these will exist at the beginning of the log file */
struct RESTART_AREA {