linux/fs/ext2
Jan Kara e7c7fbb9a8 ext2: Use kvmalloc() for group descriptor array
Array of group descriptor block buffers can get rather large. In theory
in can reach 1MB for perfectly valid filesystem and even more for
maliciously crafted ones. Use kvmalloc() to allocate the array to avoid
straining memory allocator with large order allocations unnecessarily.

Reported-by: syzbot+0f2f7e65a3007d39539f@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
2022-09-26 14:59:52 +02:00
..
acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
acl.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
balloc.c ext2: fix sleeping in atomic bugs on error 2021-09-22 13:05:23 +02:00
dir.c ext2: Use a folio in ext2_get_page() 2022-08-02 12:34:03 -04:00
ext2.h ext2: remove nobh support 2022-08-02 12:34:04 -04:00
file.c ext2: Convert to using invalidate_lock 2021-07-13 14:29:00 +02:00
ialloc.c remove bdi_congested() and wb_congested() and related functions 2022-03-22 15:57:01 -07:00
inode.c Folio changes for 6.0 2022-08-03 10:35:43 -07:00
ioctl.c ext2: convert to fileattr 2021-04-12 15:04:29 +02:00
Kconfig ext2: use iomap_fiemap to implement ->fiemap 2021-07-27 11:00:32 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c ext2: remove nobh support 2022-08-02 12:34:04 -04:00
super.c ext2: Use kvmalloc() for group descriptor array 2022-09-26 14:59:52 +02:00
symlink.c ext2: code cleanup by removing ifdef macro surrounding 2020-05-22 15:11:00 +02:00
xattr_security.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_trusted.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_user.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr.c ext2: avoid deleting xattr block that is being reused 2022-08-02 23:56:25 -04:00
xattr.h ext2: code cleanup by removing ifdef macro surrounding 2020-05-22 15:11:00 +02:00