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Liu Shixin via Jfs-discussion 62462a5b4f fs/jfs: fix shift exponent db_agl2size negative 
[ Upstream commit fad376fce0af58deebc5075b8539dc05bf639af3 ]

As a shift exponent, db_agl2size can not be less than 0. Add the missing
check to fix the shift-out-of-bounds bug reported by syzkaller:

 UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2227:15
 shift exponent -744642816 is negative

Reported-by: syzbot+0be96567042453c0c820@syzkaller.appspotmail.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-11 16:44:07 +01:00
..
acl.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
file.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
inode.c
jfs: prevent NULL deref in diFree
2022-04-15 14:18:36 +02:00
ioctl.c
vfs: create a generic checking and prep function for FS_IOC_SETFLAGS
2019-07-01 08:25:34 -07:00
jfs_acl.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_btree.h
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2019-05-30 11:26:35 -07:00
jfs_debug.c
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2019-05-30 11:26:35 -07:00
jfs_debug.h
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2019-05-30 11:26:35 -07:00
jfs_dinode.h
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2019-05-30 11:26:35 -07:00
jfs_discard.c
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2019-05-30 11:26:35 -07:00
jfs_discard.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_dmap.c
fs/jfs: fix shift exponent db_agl2size negative
2023-03-11 16:44:07 +01:00
jfs_dmap.h
jfs: Fix array index bounds check in dbAdjTree
2020-12-30 11:51:40 +01:00
jfs_dtree.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_dtree.h
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2019-05-30 11:26:35 -07:00
jfs_extent.c
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2019-05-30 11:26:35 -07:00
jfs_extent.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_filsys.h
JFS: more checks for invalid superblock
2021-03-07 12:20:41 +01:00
jfs_imap.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_imap.h
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2019-05-30 11:26:35 -07:00
jfs_incore.h
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2019-05-30 11:26:35 -07:00
jfs_inode.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_inode.h
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2019-05-30 11:26:35 -07:00
jfs_lock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_logmgr.c
fs/jfs: Fix missing error code in lmLogInit()
2021-07-20 16:10:42 +02:00
jfs_logmgr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_metapage.c
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2019-05-30 11:26:35 -07:00
jfs_metapage.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_mount.c
JFS: fix memleak in jfs_mount
2021-11-17 09:48:42 +01:00
jfs_superblock.h
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2019-05-30 11:26:35 -07:00
jfs_txnmgr.c
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2019-05-30 11:26:35 -07:00
jfs_txnmgr.h
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2019-05-30 11:26:35 -07:00
jfs_types.h
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2019-05-30 11:26:35 -07:00
jfs_umount.c
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2019-05-30 11:26:35 -07:00
jfs_unicode.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_unicode.h
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2019-05-30 11:26:35 -07:00
jfs_uniupr.c
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2019-05-30 11:26:35 -07:00
jfs_xattr.h
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2019-05-30 11:26:35 -07:00
jfs_xtree.c
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2019-05-30 11:26:35 -07:00
jfs_xtree.h
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2019-05-30 11:26:35 -07:00
Kconfig
docs: fix a couple of new broken references
2019-07-31 14:12:26 -06:00
Makefile
…
namei.c
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2019-05-30 11:26:35 -07:00
resize.c
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2019-05-30 11:26:35 -07:00
super.c
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
symlink.c
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2019-05-30 11:26:35 -07:00
xattr.c
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2019-05-30 11:26:35 -07:00