Buildresult: linus/raumfeld_defconfig/arm-gcc4.6 built on Sep 6 2019, 12:20
kisskb
Revisions
|
Branches
|
Compilers
|
Configs
|
Build Results
|
Build Failures
|
Status:
Failed
Date/Time:
Sep 6 2019, 12:20
Duration:
0:00:02.097594
Builder:
blade46
Revision:
keys: Fix missing null pointer check in request_key_auth_describe() (
d41a3effbb53b1bcea41e328d16a4d046a508381)
Target:
linus/raumfeld_defconfig/arm-gcc4.6
Branch:
linus
Compiler:
arm-gcc4.6
(arm-unknown-linux-gnueabi-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Log:
Download original
Possible errors
make[2]: *** [scripts/kconfig/Makefile:90: raumfeld_defconfig] Error 1 make[1]: *** [Makefile:562: raumfeld_defconfig] Error 2 make: *** [Makefile:179: sub-make] Error 2
No warnings found in log.
Full Log
# git rev-parse -q --verify d41a3effbb53b1bcea41e328d16a4d046a508381^{commit} d41a3effbb53b1bcea41e328d16a4d046a508381 already have revision, skipping fetch # git checkout -q -f -B kisskb d41a3effbb53b1bcea41e328d16a4d046a508381 # git clean -qxdf # < git log -1 # commit d41a3effbb53b1bcea41e328d16a4d046a508381 # Author: Hillf Danton <hdanton@sina.com> # Date: Mon Sep 2 13:37:29 2019 +0100 # # keys: Fix missing null pointer check in request_key_auth_describe() # # If a request_key authentication token key gets revoked, there's a window in # which request_key_auth_describe() can see it with a NULL payload - but it # makes no check for this and something like the following oops may occur: # # BUG: Kernel NULL pointer dereference at 0x00000038 # Faulting instruction address: 0xc0000000004ddf30 # Oops: Kernel access of bad area, sig: 11 [#1] # ... # NIP [...] request_key_auth_describe+0x90/0xd0 # LR [...] request_key_auth_describe+0x54/0xd0 # Call Trace: # [...] request_key_auth_describe+0x54/0xd0 (unreliable) # [...] proc_keys_show+0x308/0x4c0 # [...] seq_read+0x3d0/0x540 # [...] proc_reg_read+0x90/0x110 # [...] __vfs_read+0x3c/0x70 # [...] vfs_read+0xb4/0x1b0 # [...] ksys_read+0x7c/0x130 # [...] system_call+0x5c/0x70 # # Fix this by checking for a NULL pointer when describing such a key. # # Also make the read routine check for a NULL pointer to be on the safe side. # # [DH: Modified to not take already-held rcu lock and modified to also check # in the read routine] # # Fixes: 04c567d9313e ("[PATCH] Keys: Fix race between two instantiators of a key") # Reported-by: Sachin Sant <sachinp@linux.vnet.ibm.com> # Signed-off-by: Hillf Danton <hdanton@sina.com> # Signed-off-by: David Howells <dhowells@redhat.com> # Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-ld --version # < git log --format=%s --max-count=1 d41a3effbb53b1bcea41e328d16a4d046a508381 # < make -s -j 32 ARCH=arm O=/kisskb/build/linus_raumfeld_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- raumfeld_defconfig *** *** Can't find default configuration "arch/arm/configs/raumfeld_defconfig"! *** make[2]: *** [/kisskb/src/scripts/kconfig/Makefile:90: raumfeld_defconfig] Error 1 make[1]: *** [/kisskb/src/Makefile:562: raumfeld_defconfig] Error 2 make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 32 ARCH=arm O=/kisskb/build/linus_raumfeld_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- raumfeld_defconfig' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_raumfeld_defconfig_arm # Build took: 0:00:02.097594
© Michael Ellerman 2006-2018.