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smb3 client fix 

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Merge tag 'v7.0-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fix from Steve French:

 - Fix potential out of bounds read in mount

* tag 'v7.0-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
  fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
This commit is contained in:
Linus Torvalds 2026-04-02 21:04:28 -07:00
parent 7b9e74c5a4 78ec5bf2f5
commit d8a9a4b11a
1 changed files with 4 additions and 0 deletions
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4
fs/smb/client/fs_context.c
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@ -588,6 +588,10 @@ char *cifs_sanitize_prepath(char *prepath, gfp_t gfp)
while (IS_DELIM(*cursor1))
cursor1++;
/* exit in case of only delimiters */
if (!*cursor1)
return NULL;
/* copy the first letter */
*cursor2 = *cursor1;