Buildresult: linus/palmz72_defconfig/arm-gcc4.6 built on Jul 4 2018, 12:18
kisskb
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Status:
OK
Date/Time:
Jul 4 2018, 12:18
Duration:
0:00:57.803198
Builder:
ka3
Revision:
mm: teach dump_page() to correctly output poisoned struct pages (
fc36def997cfd6cbff3eda4f82853a5c311c5466)
Target:
linus/palmz72_defconfig/arm-gcc4.6
Branch:
linus
Compiler:
arm-gcc4.6
(arm-unknown-linux-gnueabi-gcc (GCC) 4.6.3)
Config:
palmz72_defconfig
(
download
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Log:
Download original
Possible warnings (6)
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/srcutree.c:127:33: warning: 'levelspread[<U1a00>]' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify fc36def997cfd6cbff3eda4f82853a5c311c5466^{commit} fc36def997cfd6cbff3eda4f82853a5c311c5466 already have revision, skipping fetch # git checkout -q -f -B kisskb fc36def997cfd6cbff3eda4f82853a5c311c5466 # git clean -qxdf # < git log -1 # commit fc36def997cfd6cbff3eda4f82853a5c311c5466 # Author: Pavel Tatashin <pasha.tatashin@oracle.com> # Date: Tue Jul 3 17:02:53 2018 -0700 # # mm: teach dump_page() to correctly output poisoned struct pages # # If struct page is poisoned, and uninitialized access is detected via # PF_POISONED_CHECK(page) dump_page() is called to output the page. But, # the dump_page() itself accesses struct page to determine how to print # it, and therefore gets into a recursive loop. # # For example: # # dump_page() # __dump_page() # PageSlab(page) # PF_POISONED_CHECK(page) # VM_BUG_ON_PGFLAGS(PagePoisoned(page), page) # dump_page() recursion loop. # # Link: http://lkml.kernel.org/r/20180702180536.2552-1-pasha.tatashin@oracle.com # Fixes: f165b378bbdf ("mm: uninitialized struct page poisoning sanity checking") # Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com> # Acked-by: Michal Hocko <mhocko@suse.com> # Cc: <stable@vger.kernel.org> # Signed-off-by: Andrew Morton <akpm@linux-foundation.org> # 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 # < git log --format=%s --max-count=1 fc36def997cfd6cbff3eda4f82853a5c311c5466 # < make -s -j 10 ARCH=arm O=/kisskb/build/linus_palmz72_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- palmz72_defconfig # make -s -j 10 ARCH=arm O=/kisskb/build/linus_palmz72_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- <stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:127:33: warning: 'levelspread[<U1a00>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:94:6: note: 'levelspread[<U1a00>]' was declared here /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here Completed OK # rm -rf /kisskb/build/linus_palmz72_defconfig_arm # Build took: 0:00:57.803198
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