# 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/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 80 ARCH=powerpc O=/kisskb/build/linus_ps3_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ps3_defconfig # make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_ps3_defconfig_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/net/bluetooth/hidp/core.c: In function 'hidp_connection_add': /kisskb/src/net/bluetooth/hidp/core.c:1386:18: warning: 'session' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1712:59: warning: 'file' 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/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:156:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/include/linux/rhashtable.h:110:10: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:222:28: note: 'next' 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/splice.c: In function '__do_compat_sys_vmsplice': /kisskb/src/fs/splice.c:1416:8: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/splice.c: In function '__do_sys_vmsplice': /kisskb/src/fs/splice.c:1390:8: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3547:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/cifs/smb2pdu.c: In function 'SMB2_ioctl_init': /kisskb/src/fs/cifs/smb2pdu.c:2811:19: warning: 'in_data_buf' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/tx.c: In function 'ieee80211_build_hdr': /kisskb/src/net/mac80211/tx.c:2551:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] /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/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/net/wireless/nl80211.c: In function 'nl80211_vendor_cmd_dump': /kisskb/src/net/wireless/nl80211.c:13148:33: warning: 'wdev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/wireless/nl80211.c:13118:21: warning: 'rdev' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/linus_ps3_defconfig_powerpc-gcc4.6 # Build took: 0:01:28.510946