Prince Kumar Maurya e28f376dd8 fs/sysv: Null check to prevent null-ptr-deref bug ... commit ea2b62f305 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2023-08-11 12:14:24 +02:00
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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	2023-08-11 12:14:24 +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