Buildresult: powerpc-next/powerpc-allnoconfig/powerpc-gcc4.6 built on Mar 4 2019, 14:06

kisskb

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Status:	OK
Date/Time:	Mar 4 2019, 14:06
Duration:	0:00:16.231114
Builder:	ka2
Revision:	powerpc/32: Clear on-stack exception marker upon exception return (`9580b71b5a7863c24a9bd18bcd2ad759b86b1eff)`
Target:	powerpc-next/powerpc-allnoconfig/powerpc-gcc4.6
Branch:	powerpc-next
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (1) kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] Full Log # 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 <christophe.leroy@c-s.fr> # 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 <christophe.leroy@c-s.fr> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /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 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_powerpc-allnoconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- allnoconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_powerpc-allnoconfig_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:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-next_powerpc-allnoconfig_powerpc-gcc4.6 # Build took: 0:00:16.231114

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