Buildresult: linus/a500_defconfig/parisc64-gcc8 built on Apr 27 2019, 13:19

kisskb

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Status:	OK
Date/Time:	Apr 27 2019, 13:19
Duration:	0:01:24.015017
Builder:	ka1
Revision:	slip: make slhc_free() silently accept an error pointer (`baf76f0c58aec435a3a864075b8f6d8ee5d1f17e)`
Target:	linus/a500_defconfig/parisc64-gcc8
Branch:	linus
Compiler:	parisc64-gcc8 (hppa64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	a500_defconfig (download)
Log:	Download original Possible warnings (1) arch/parisc/include/asm/cmpxchg.h:48:3: warning: value computed is not used [-Wunused-value] Full Log # git rev-parse -q --verify baf76f0c58aec435a3a864075b8f6d8ee5d1f17e^{commit} baf76f0c58aec435a3a864075b8f6d8ee5d1f17e already have revision, skipping fetch # git checkout -q -f -B kisskb baf76f0c58aec435a3a864075b8f6d8ee5d1f17e # git clean -qxdf # < git log -1 # commit baf76f0c58aec435a3a864075b8f6d8ee5d1f17e # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Thu Apr 25 16:13:58 2019 -0700 # # slip: make slhc_free() silently accept an error pointer # # This way, slhc_free() accepts what slhc_init() returns, whether that is # an error or not. # # In particular, the pattern in sl_alloc_bufs() is # # slcomp = slhc_init(16, 16); # ... # slhc_free(slcomp); # # for the error handling path, and rather than complicate that code, just # make it ok to always free what was returned by the init function. # # That's what the code used to do before commit 4ab42d78e37a ("ppp, slip: # Validate VJ compression slot parameters completely") when slhc_init() # just returned NULL for the error case, with no actual indication of the # details of the error. # # Reported-by: syzbot+45474c076a4927533d2e@syzkaller.appspotmail.com # Fixes: 4ab42d78e37a ("ppp, slip: Validate VJ compression slot parameters completely") # Acked-by: Ben Hutchings <ben@decadent.org.uk> # Cc: David Miller <davem@davemloft.net> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux-ld --version # < git log --format=%s --max-count=1 baf76f0c58aec435a3a864075b8f6d8ee5d1f17e # < make -s -j 48 ARCH=parisc O=/kisskb/build/linus_a500_defconfig_parisc64 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux- a500_defconfig # make -s -j 48 ARCH=parisc O=/kisskb/build/linus_a500_defconfig_parisc64 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux- In file included from /kisskb/src/arch/parisc/include/asm/atomic.h:10, from /kisskb/src/include/linux/atomic.h:7, from /kisskb/src/arch/parisc/include/asm/bitops.h:13, from /kisskb/src/include/linux/bitops.h:19, from /kisskb/src/include/linux/kernel.h:12, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/module.h:9, from /kisskb/src/drivers/scsi/scsi_debug.c:23: /kisskb/src/drivers/scsi/scsi_debug.c: In function 'resp_start_stop': /kisskb/src/arch/parisc/include/asm/cmpxchg.h:48:3: warning: value computed is not used [-Wunused-value] ((__typeof__((ptr)))__xchg((unsigned long)(x), (ptr), sizeof((ptr)))) /kisskb/src/arch/parisc/include/asm/atomic.h:78:30: note: in expansion of macro 'xchg' #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) ^~~~ /kisskb/src/drivers/scsi/scsi_debug.c:1623:2: note: in expansion of macro 'atomic_xchg' atomic_xchg(&devip->stopped, stop); ^~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/linus_a500_defconfig_parisc64 # Build took: 0:01:24.015017

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