# git rev-parse -q --verify 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff^{commit} 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff already have revision, skipping fetch # git checkout -q -f -B kisskb 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff # git clean -qxdf # < git log -1 # commit 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff # Author: Christophe Leroy # Date: Wed Feb 27 11:45:30 2019 +0000 # # powerpc/32: Clear on-stack exception marker upon exception return # # Clear the on-stack STACK_FRAME_REGS_MARKER on exception exit in order # to avoid confusing stacktrace like the one below. # # Call Trace: # [c0e9dca0] [c01c42a0] print_address_description+0x64/0x2bc (unreliable) # [c0e9dcd0] [c01c4684] kasan_report+0xfc/0x180 # [c0e9dd10] [c0895130] memchr+0x24/0x74 # [c0e9dd30] [c00a9e38] msg_print_text+0x124/0x574 # [c0e9dde0] [c00ab710] console_unlock+0x114/0x4f8 # [c0e9de40] [c00adc60] vprintk_emit+0x188/0x1c4 # --- interrupt: c0e9df00 at 0x400f330 # LR = init_stack+0x1f00/0x2000 # [c0e9de80] [c00ae3c4] printk+0xa8/0xcc (unreliable) # [c0e9df20] [c0c27e44] early_irq_init+0x38/0x108 # [c0e9df50] [c0c15434] start_kernel+0x310/0x488 # [c0e9dff0] [00003484] 0x3484 # # With this patch the trace becomes: # # Call Trace: # [c0e9dca0] [c01c42c0] print_address_description+0x64/0x2bc (unreliable) # [c0e9dcd0] [c01c46a4] kasan_report+0xfc/0x180 # [c0e9dd10] [c0895150] memchr+0x24/0x74 # [c0e9dd30] [c00a9e58] msg_print_text+0x124/0x574 # [c0e9dde0] [c00ab730] console_unlock+0x114/0x4f8 # [c0e9de40] [c00adc80] vprintk_emit+0x188/0x1c4 # [c0e9de80] [c00ae3e4] printk+0xa8/0xcc # [c0e9df20] [c0c27e44] early_irq_init+0x38/0x108 # [c0e9df50] [c0c15434] start_kernel+0x310/0x488 # [c0e9dff0] [00003484] 0x3484 # # Cc: stable@vger.kernel.org # Signed-off-by: Christophe Leroy # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc6xx_defconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/sound/ppc/pmac.h:25:0, from /kisskb/src/sound/ppc/awacs.c:29: /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:223:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized] return _snd_ctl_add_slave(master, slave, 0); ^ /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here struct snd_kcontrol *master_vol, *speaker_vol; ^ INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xaa8c90) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:51 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5165450 Bytes = 5044.38 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00294 INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:51 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5164800 Bytes = 5043.75 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00894 Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:51 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5164938 Bytes = 5043.88 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00894 Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:51 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5134796 Bytes = 5014.45 KiB = 4.90 MiB Load Address: 00000000 Entry Point: 00000000 INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xab93a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xaa8c90) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:53 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5165750 Bytes = 5044.68 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00294 Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:53 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5165145 Bytes = 5044.09 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00294 Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:53 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5165036 Bytes = 5043.98 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00294 Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:53 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5165083 Bytes = 5044.03 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00294 Image Name: Linux-5.0.0-rc2+ Created: Mon Mar 4 15:16:53 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5165632 Bytes = 5044.56 KiB = 4.93 MiB Load Address: 00b00000 Entry Point: 00b00294 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 # Build took: 0:04:54.980297