mirror/android_kernel_fxtec_sm6115
3
0
Fork 0
mirror of https://github.com/LineageOS/android_kernel_fxtec_sm6115.git synced 2026-08-18 11:41:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

hpfs: fix a crash if hpfs_map_dnode_bitmap fails

Browse Source 
commit 974820a59efde7c1a7e1260bcfe9bb81f833cc9f upstream.

If hpfs_map_dnode_bitmap fails, the code would call hpfs_brelse4 on
uninitialized quad buffer head, causing a crash.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Farhad Alemi <farhad.alemi@berkeley.edu>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>
This commit is contained in:
Mikulas Patocka
2026-05-25 14:48:58 +02:00
committed by Ulrich Hecht
parent f5dacf83f3
commit 38114e79dc
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
fs/hpfs/alloc.c
View File

@ -372,8 +372,8 @@ int hpfs_check_free_dnodes(struct super_block *s, int n)
return 0;
}
}
hpfs_brelse4(&qbh);
}
hpfs_brelse4(&qbh);
i = 0;
if (hpfs_sb(s)->sb_c_bitmap != -1) {
bmp = hpfs_map_bitmap(s, b, &qbh, "chkdn1");