# 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/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 5e46d1b78a03d52306f21f77a4e4a144b6d31486
# < make -s -j 24 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  rpc_defconfig
# < make -s -j 24 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  help
# make -s -j 24 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  olddefconfig
# make -s -j 24 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
/kisskb/src/drivers/tty/vt/vt_ioctl.c: In function 'vt_ioctl':
/kisskb/src/drivers/tty/vt/vt_ioctl.c:919:1: internal compiler error: Max. number of generated reload insns per insn is achieved (90)

 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [/kisskb/src/scripts/Makefile.build:271: drivers/tty/vt/vt_ioctl.o] Error 1
make[3]: *** [/kisskb/src/scripts/Makefile.build:514: drivers/tty/vt] Error 2
make[2]: *** [/kisskb/src/scripts/Makefile.build:514: drivers/tty] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1851: drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/fs/fat/dir.c: In function 'fat_ioctl_filldir':
/kisskb/src/fs/fat/dir.c:759:43: internal compiler error: Max. number of generated reload insns per insn is achieved (90)

 FAT_IOCTL_FILLDIR_FUNC(fat_ioctl_filldir, __fat_dirent)
                                           ^
/kisskb/src/fs/fat/dir.c:714:9: note: in definition of macro 'FAT_IOCTL_FILLDIR_FUNC'
  struct dirent_type __user *d2 = d1 + 1;       \
         ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [/kisskb/src/scripts/Makefile.build:271: fs/fat/dir.o] Error 1
make[2]: *** [/kisskb/src/scripts/Makefile.build:514: fs/fat] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1851: fs] Error 2
make: *** [Makefile:215: __sub-make] Error 2
Command 'make -s -j 24 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_rpc_defconfig_arm-gcc4.9
# Build took: 0:00:43.988167