# 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 <dhowells@redhat.com>
# 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.<gTLD>" 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 <dhowells@redhat.com>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 a45ea48e2bcd92c1f678b794f488ca0bda9835b8
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_pmac32_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  pmac32_defconfig
# Added to kconfig CONFIG_VIRTUALIZATION=y
# Added to kconfig CONFIG_KVM=y
# Added to kconfig CONFIG_KVM_BOOK3S_32=m
# Added to kconfig 
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_pmac32_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_pmac32_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/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/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init':
/kisskb/src/include/sound/control.h:208:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/sound/ppc/awacs.c:873:36: note: 'speaker_vol' was declared here
/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/drivers/base/regmap/regmap.c: In function 'regmap_raw_read':
/kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write':
/kisskb/src/drivers/base/regmap/regmap.c:1852:6: 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/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here
/kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon':
/kisskb/src/net/mac80211/mlme.c:1576:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/mac80211/mlme.c:1533:6: note: 'pwr_level_cisco' was declared here
/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]
/kisskb/src/drivers/usb/core/devio.c: In function 'async_completed':
/kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7':
/kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:190:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized]
INFO: Uncompressed kernel (size 0x86b230) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x900000)
Completed OK
# rm -rf /kisskb/build/linus_pmac32_defconfig+KVM_powerpc-gcc4.6
# Build took: 0:01:27.479315