linux/fs/sysv
Prince Kumar Maurya ea2b62f305 fs/sysv: Null check to prevent null-ptr-deref bug
sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on
that leads to the null-ptr-deref bug.

Reported-by: syzbot+aad58150cbc64ba41bdc@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=aad58150cbc64ba41bdc
Signed-off-by: Prince Kumar Maurya <princekumarmaurya06@gmail.com>
Message-Id: <20230531013141.19487-1-princekumarmaurya06@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-06-01 09:51:06 +02:00
..
balloc.c
dir.c sysv: switch to put_and_unmap_page() 2023-03-12 20:03:41 -04:00
file.c fs: port ->setattr() to pass mnt_idmap 2023-01-19 09:24:02 +01:00
ialloc.c fs: port inode_init_owner() to mnt_idmap 2023-01-19 09:24:28 +01:00
inode.c fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
itree.c fs/sysv: Null check to prevent null-ptr-deref bug 2023-06-01 09:51:06 +02:00
Kconfig docs: filesystems: fix renamed references 2020-04-20 15:45:22 -06:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
namei.c sysv: switch to put_and_unmap_page() 2023-03-12 20:03:41 -04:00
super.c fs: sysv: check sbi->s_firstdatazone in complete_read_super 2022-04-29 14:38:04 -07:00
sysv.h sysv: switch to put_and_unmap_page() 2023-03-12 20:03:41 -04:00