Buildresult: powerpc-next/parisc-defconfig/parisc-gcc8 built on May 31 2018, 05:23

kisskb

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Status:	OK
Date/Time:	May 31 2018, 05:23
Duration:	0:00:50.891023
Builder:	ka1
Revision:	powerpc/mm: Fix kernel crash on page table free (`e3a36ba92d97c153c65c3866ec0e83e4e7de7c86)`
Target:	powerpc-next/parisc-defconfig/parisc-gcc8
Branch:	powerpc-next
Compiler:	parisc-gcc8 (hppa-linux-gcc (GCC) 4.6.3)
Config:	defconfig (download)
Log:	Download original Possible warnings (5) kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/nfsd/nfs4xdr.c:2041:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1822:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1732:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify e3a36ba92d97c153c65c3866ec0e83e4e7de7c86^{commit} e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 already have revision, skipping fetch # git checkout -q -f -B kisskb e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # git clean -qxdf # < git log -1 # commit e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # Author: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Date: Wed May 30 18:02:25 2018 +0530 # # powerpc/mm: Fix kernel crash on page table free # # Fix the below crash on Book3E 64. pgtable_page_dtor expects struct # page *arg. # # Also call the destructor on non book3s platforms correctly. This frees # up the split PTL locks correctly if we had allocated them before. # # Call Trace: # .kmem_cache_free+0x9c/0x44c (unreliable) # .ptlock_free+0x1c/0x30 # .tlb_remove_table+0xdc/0x224 # .free_pgd_range+0x298/0x500 # .shift_arg_pages+0x10c/0x1e0 # .setup_arg_pages+0x200/0x25c # .load_elf_binary+0x450/0x16c8 # .search_binary_handler.part.11+0x9c/0x248 # .do_execveat_common.isra.13+0x868/0xc18 # .run_init_process+0x34/0x4c # .try_to_run_init_process+0x1c/0x68 # .kernel_init+0xdc/0x130 # .ret_from_kernel_thread+0x58/0x7c # # Fixes: 702346768 ("powerpc/mm/nohash: Remove pte fragment dependency from nohash") # Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/hppa-linux/bin/hppa-linux-gcc --version # < git log --format=%s --max-count=1 e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # < make -s -j 48 ARCH=parisc O=/kisskb/build/powerpc-next_parisc-defconfig_parisc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/hppa-linux/bin/hppa-linux- defconfig # make -s -j 48 ARCH=parisc O=/kisskb/build/powerpc-next_parisc-defconfig_parisc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/hppa-linux/bin/hppa-linux- /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/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:340:21: note: 'pdeo' was declared here /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2041:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1822:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1732:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-next_parisc-defconfig_parisc # Build took: 0:00:50.891023

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