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| author |   Vasiliy Kovalev <kovalev@altlinux.org> | 2024-12-24 17:49:13 +0300 |
|---|---|---|
| committer |   Dave Kleikamp <dave.kleikamp@oracle.com> | 2025-02-19 15:28:49 -0600 |
| commit | 0176e69743ecc02961f2ae1ea42439cd2bf9ed58 (patch) | |
| tree | 30a23b8c8b5d299685114e67eac2c15c7c3c907f /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | jfs: reject on-disk inodes of an unsupported type (diff) | |
| download | wireguard-linux-0176e69743ecc02961f2ae1ea42439cd2bf9ed58.tar.xz wireguard-linux-0176e69743ecc02961f2ae1ea42439cd2bf9ed58.zip | |
jfs: add check read-only before txBeginAnon() call
Added a read-only check before calling `txBeginAnon` in `extAlloc`
and `extRecord`. This prevents modification attempts on a read-only
mounted filesystem, avoiding potential errors or crashes.
Call trace:
txBeginAnon+0xac/0x154
extAlloc+0xe8/0xdec fs/jfs/jfs_extent.c:78
jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248
__block_write_begin_int+0x580/0x166c fs/buffer.c:2128
__block_write_begin fs/buffer.c:2177 [inline]
block_write_begin+0x98/0x11c fs/buffer.c:2236
jfs_write_begin+0x44/0x88 fs/jfs/inode.c:299
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot+4e89b5368baba8324e07@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?extid=4e89b5368baba8324e07
Signed-off-by: Vasiliy Kovalev <kovalev@altlinux.org>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions