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

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

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