Buildresult: powerpc-next/x86_64-allmodconfig/x86_64-gcc8 built on Sep 1 2021, 01:36
kisskb
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Build Failures
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Status:
Failed
Date/Time:
Sep 1 2021, 01:36
Duration:
0:28:31.128435
Builder:
ka1
Revision:
powerpc/ptdump: Fix generic ptdump for 64-bit (
c7dee506ec3450717e84518ab3a6a3f2ce755cf6)
Target:
powerpc-next/x86_64-allmodconfig/x86_64-gcc8
Branch:
powerpc-next
Compiler:
x86_64-gcc8
(x86_64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:
allmodconfig
(
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Log:
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Possible errors
make[3]: *** [scripts/Makefile.modfinal:76: mm/kfence/kfence_test.ko] Error 1 make[2]: *** [scripts/Makefile.modpost:156: __modpost] Error 2 make[1]: *** [Makefile:1757: modules] Error 2 make: *** [Makefile:220: __sub-make] Error 2
Possible warnings (4)
kernel/trace/trace_osnoise.c:1461:8: warning: 'main' is usually a function [-Wmain] lib/test_scanf.c:530:1: warning: the frame size of 2472 bytes is larger than 2048 bytes [-Wframe-larger-than=] lib/test_scanf.c:488:1: warning: the frame size of 2952 bytes is larger than 2048 bytes [-Wframe-larger-than=] lib/test_scanf.c:437:1: warning: the frame size of 2472 bytes is larger than 2048 bytes [-Wframe-larger-than=]
Full Log
# git rev-parse -q --verify c7dee506ec3450717e84518ab3a6a3f2ce755cf6^{commit} c7dee506ec3450717e84518ab3a6a3f2ce755cf6 already have revision, skipping fetch # git checkout -q -f -B kisskb c7dee506ec3450717e84518ab3a6a3f2ce755cf6 # git clean -qxdf # < git log -1 # commit c7dee506ec3450717e84518ab3a6a3f2ce755cf6 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Tue Aug 31 23:41:15 2021 +1000 # # powerpc/ptdump: Fix generic ptdump for 64-bit # # Since the conversion to generic ptdump we see crashes on 64-bit: # # BUG: Unable to handle kernel data access on read at 0xc0eeff7f00000000 # Faulting instruction address: 0xc00000000045e5fc # Oops: Kernel access of bad area, sig: 11 [#1] # ... # NIP __walk_page_range+0x2bc/0xce0 # LR __walk_page_range+0x240/0xce0 # Call Trace: # __walk_page_range+0x240/0xce0 (unreliable) # walk_page_range_novma+0x74/0xb0 # ptdump_walk_pgd+0x98/0x170 # ptdump_check_wx+0x88/0xd0 # mark_rodata_ro+0x48/0x80 # kernel_init+0x74/0x1a0 # ret_from_kernel_thread+0x5c/0x64 # # What's happening is that have walked off the end of the kernel page # tables, and started dereferencing junk values. # # That happens because we initialised the ptdump_range to span all the way # up to 0xffffffffffffffff: # # static struct ptdump_range ptdump_range[] __ro_after_init = { # {TASK_SIZE_MAX, ~0UL}, # # But the kernel page tables don't span that far. So on 64-bit set the end # of the range to be the address immediately past the end of the kernel # page tables, to limit the page table walk to valid addresses. # # Fixes: e084728393a5 ("powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP") # Reported-by: Nathan Chancellor <nathan@kernel.org> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 c7dee506ec3450717e84518ab3a6a3f2ce755cf6 # < make -s -j 48 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # < make -s -j 48 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 48 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig # make -s -j 48 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-objdump: mm/kfence/kfence_test.o: unable to initialize decompress status for section .debug_info /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-objdump: mm/kfence/kfence_test.o: unable to initialize decompress status for section .debug_info /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-objdump: mm/kfence/kfence_test.o: File format not recognized /kisskb/src/kernel/trace/trace_osnoise.c: In function 'start_kthread': /kisskb/src/kernel/trace/trace_osnoise.c:1461:8: warning: 'main' is usually a function [-Wmain] void *main = osnoise_main; ^~~~ /kisskb/src/lib/test_scanf.c: In function 'numbers_list_field_width_val_width': /kisskb/src/lib/test_scanf.c:530:1: warning: the frame size of 2472 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/lib/test_scanf.c: In function 'numbers_list_field_width_typemax': /kisskb/src/lib/test_scanf.c:488:1: warning: the frame size of 2952 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/lib/test_scanf.c: In function 'numbers_list': /kisskb/src/lib/test_scanf.c:437:1: warning: the frame size of 2472 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld: mm/kfence/kfence_test.o: unable to initialize decompress status for section .debug_info /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld: mm/kfence/kfence_test.o: unable to initialize decompress status for section .debug_info /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld: mm/kfence/kfence_test.o: unable to initialize decompress status for section .debug_info /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld: mm/kfence/kfence_test.o: unable to initialize decompress status for section .debug_info mm/kfence/kfence_test.o: file not recognized: File format not recognized make[3]: *** [/kisskb/src/scripts/Makefile.modfinal:76: mm/kfence/kfence_test.ko] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/kisskb/src/scripts/Makefile.modpost:156: __modpost] Error 2 make[1]: *** [/kisskb/src/Makefile:1757: modules] Error 2 make: *** [Makefile:220: __sub-make] Error 2 Command 'make -s -j 48 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc8 # Build took: 0:28:31.128435
© Michael Ellerman 2006-2018.