Buildresult: linus/mpc83xx_defconfig/powerpc-gcc4.9 built on Mar 31 2021, 09:39
kisskb
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Status:
OK
Date/Time:
Mar 31 2021, 09:39
Duration:
0:01:25.889394
Builder:
ka1
Revision:
reiserfs: update reiserfs_xattrs_initialized() condition (
5e46d1b78a03d52306f21f77a4e4a144b6d31486)
Target:
linus/mpc83xx_defconfig/powerpc-gcc4.9
Branch:
linus
Compiler:
powerpc-gcc4.9
(powerpc64-linux-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:
mpc83xx_defconfig
(
download
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Log:
Download original
Possible warnings (1)
block/genhd.c:1311:1: warning: the frame size of 1160 bytes is larger than 1024 bytes [-Wframe-larger-than=]
Full Log
# git rev-parse -q --verify 5e46d1b78a03d52306f21f77a4e4a144b6d31486^{commit} 5e46d1b78a03d52306f21f77a4e4a144b6d31486 already have revision, skipping fetch # git checkout -q -f -B kisskb 5e46d1b78a03d52306f21f77a4e4a144b6d31486 # git clean -qxdf # < git log -1 # commit 5e46d1b78a03d52306f21f77a4e4a144b6d31486 # Author: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> # Date: Sun Mar 21 23:37:49 2021 +0900 # # reiserfs: update reiserfs_xattrs_initialized() condition # # syzbot is reporting NULL pointer dereference at reiserfs_security_init() # [1], for commit ab17c4f02156c4f7 ("reiserfs: fixup xattr_root caching") # is assuming that REISERFS_SB(s)->xattr_root != NULL in # reiserfs_xattr_jcreate_nblocks() despite that commit made # REISERFS_SB(sb)->priv_root != NULL && REISERFS_SB(s)->xattr_root == NULL # case possible. # # I guess that commit 6cb4aff0a77cc0e6 ("reiserfs: fix oops while creating # privroot with selinux enabled") wanted to check xattr_root != NULL # before reiserfs_xattr_jcreate_nblocks(), for the changelog is talking # about the xattr root. # # The issue is that while creating the privroot during mount # reiserfs_security_init calls reiserfs_xattr_jcreate_nblocks which # dereferences the xattr root. The xattr root doesn't exist, so we get # an oops. # # Therefore, update reiserfs_xattrs_initialized() to check both the # privroot and the xattr root. # # Link: https://syzkaller.appspot.com/bug?id=8abaedbdeb32c861dc5340544284167dd0e46cde # [1] # Reported-and-tested-by: syzbot <syzbot+690cb1e51970435f9775@syzkaller.appspotmail.com> # Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> # Fixes: 6cb4aff0a77c ("reiserfs: fix oops while creating privroot with selinux enabled") # Acked-by: Jeff Mahoney <jeffm@suse.com> # Acked-by: Jan Kara <jack@suse.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 5e46d1b78a03d52306f21f77a4e4a144b6d31486 # < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc83xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc83xx_defconfig # < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc83xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc83xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/linus_mpc83xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/block/genhd.c: In function 'diskstats_show': /kisskb/src/block/genhd.c:1311:1: warning: the frame size of 1160 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Uncompressed kernel (size 0x7d43cc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) INFO: Uncompressed kernel (size 0x7e49dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x800000) Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:57 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3608981 Bytes = 3524.40 KiB = 3.44 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:58 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3638819 Bytes = 3553.53 KiB = 3.47 MiB Load Address: 00800000 Entry Point: 00800294 Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:58 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3639391 Bytes = 3554.09 KiB = 3.47 MiB Load Address: 00800000 Entry Point: 00800294 Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:58 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3638979 Bytes = 3553.69 KiB = 3.47 MiB Load Address: 00800000 Entry Point: 00800294 Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:58 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3639379 Bytes = 3554.08 KiB = 3.47 MiB Load Address: 00800000 Entry Point: 00800294 Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:58 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3639558 Bytes = 3554.26 KiB = 3.47 MiB Load Address: 00800000 Entry Point: 00800294 Image Name: Linux-5.12.0-rc5-g5e46d1b78a03 Created: Wed Mar 31 09:40:58 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3639352 Bytes = 3554.05 KiB = 3.47 MiB Load Address: 00800000 Entry Point: 00800294 Completed OK # rm -rf /kisskb/build/linus_mpc83xx_defconfig_powerpc-gcc4.9 # Build took: 0:01:25.889394
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