# git rev-parse -q --verify a45ea48e2bcd92c1f678b794f488ca0bda9835b8^{commit} a45ea48e2bcd92c1f678b794f488ca0bda9835b8 already have revision, skipping fetch # git checkout -q -f -B kisskb a45ea48e2bcd92c1f678b794f488ca0bda9835b8 # git clean -qxdf # < git log -1 # commit a45ea48e2bcd92c1f678b794f488ca0bda9835b8 # Author: David Howells # Date: Sun Jan 26 01:02:53 2020 +0000 # # afs: Fix characters allowed into cell names # # The afs filesystem needs to prohibit certain characters from cell names, # such as '/', as these are used to form filenames in procfs, leading to # the following warning being generated: # # WARNING: CPU: 0 PID: 3489 at fs/proc/generic.c:178 # # Fix afs_alloc_cell() to disallow nonprintable characters, '/', '@' and # names that begin with a dot. # # Remove the check for "@cell" as that is then redundant. # # This can be tested by running: # # echo add foo/.bar 1.2.3.4 >/proc/fs/afs/cells # # Note that we will also need to deal with: # # - Names ending in ".invalid" shouldn't be passed to the DNS. # # - Names that contain non-valid domainname chars shouldn't be passed to # the DNS. # # - DNS replies that say "your-dns-needs-immediate-attention." and # replies containing A records that say 127.0.53.53 should be # considered invalid. # [https://www.icann.org/en/system/files/files/name-collision-mitigation-01aug14-en.pdf] # # but these need to be dealt with by the kafs-client DNS program rather # than the kernel. # # Reported-by: syzbot+b904ba7c947a37b4b291@syzkaller.appspotmail.com # Cc: stable@kernel.org # Signed-off-by: David Howells # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux-ld --version # < git log --format=%s --max-count=1 a45ea48e2bcd92c1f678b794f488ca0bda9835b8 # < make -s -j 80 ARCH=mips O=/kisskb/build/linus_ip22_defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- ip22_defconfig # make -s -j 80 ARCH=mips O=/kisskb/build/linus_ip22_defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- /kisskb/src/arch/mips/vdso/Makefile:62: MIPS VDSO requires binutils >= 2.25 /kisskb/src/arch/mips/vdso/Makefile:62: MIPS VDSO requires binutils >= 2.25 /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/linus_ip22_defconfig_mips # Build took: 0:01:17.007565