Buildresult: powerpc-next/m68k-defconfig/m68k-gcc8 built on Sep 1 2021, 02:44
kisskb
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Status:
OK
Date/Time:
Sep 1 2021, 02:44
Duration:
0:01:11.658463
Builder:
ka4
Revision:
powerpc/ptdump: Fix generic ptdump for 64-bit (
c7dee506ec3450717e84518ab3a6a3f2ce755cf6)
Target:
powerpc-next/m68k-defconfig/m68k-gcc8
Branch:
powerpc-next
Compiler:
m68k-gcc8
(m68k-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:
defconfig
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Log:
Download original
Possible warnings (12)
arch/m68k/mvme16x/config.c:439:2: warning: #warning check me! [-Wcpp] #warning check me! arch/m68k/mvme147/config.c:174:2: warning: #warning check me! [-Wcpp] #warning check me! drivers/net/ethernet/8390/lib8390.c:995:27: warning: '____alloc_ei_netdev' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:957:13: warning: '__ei_set_multicast_list' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:857:33: warning: '__ei_get_stats' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:512:13: warning: '__ei_poll' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:303:20: warning: '__ei_start_xmit' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:257:13: warning: '__ei_tx_timeout' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:233:12: warning: '__ei_close' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:204:12: warning: '__ei_open' defined but not used [-Wunused-function]
Full Log
# git rev-parse -q --verify c7dee506ec3450717e84518ab3a6a3f2ce755cf6^{commit} c7dee506ec3450717e84518ab3a6a3f2ce755cf6 already have revision, skipping fetch # git checkout -q -f -B kisskb c7dee506ec3450717e84518ab3a6a3f2ce755cf6 # git clean -qxdf # < git log -1 # commit c7dee506ec3450717e84518ab3a6a3f2ce755cf6 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Tue Aug 31 23:41:15 2021 +1000 # # powerpc/ptdump: Fix generic ptdump for 64-bit # # Since the conversion to generic ptdump we see crashes on 64-bit: # # BUG: Unable to handle kernel data access on read at 0xc0eeff7f00000000 # Faulting instruction address: 0xc00000000045e5fc # Oops: Kernel access of bad area, sig: 11 [#1] # ... # NIP __walk_page_range+0x2bc/0xce0 # LR __walk_page_range+0x240/0xce0 # Call Trace: # __walk_page_range+0x240/0xce0 (unreliable) # walk_page_range_novma+0x74/0xb0 # ptdump_walk_pgd+0x98/0x170 # ptdump_check_wx+0x88/0xd0 # mark_rodata_ro+0x48/0x80 # kernel_init+0x74/0x1a0 # ret_from_kernel_thread+0x5c/0x64 # # What's happening is that have walked off the end of the kernel page # tables, and started dereferencing junk values. # # That happens because we initialised the ptdump_range to span all the way # up to 0xffffffffffffffff: # # static struct ptdump_range ptdump_range[] __ro_after_init = { # {TASK_SIZE_MAX, ~0UL}, # # But the kernel page tables don't span that far. So on 64-bit set the end # of the range to be the address immediately past the end of the kernel # page tables, to limit the page table walk to valid addresses. # # Fixes: e084728393a5 ("powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP") # Reported-by: Nathan Chancellor <nathan@kernel.org> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-ld --version # < git log --format=%s --max-count=1 c7dee506ec3450717e84518ab3a6a3f2ce755cf6 # < make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- defconfig # < make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- help # make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- olddefconfig # make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- /kisskb/src/arch/m68k/mvme16x/config.c: In function 'mvme16x_hwclk': /kisskb/src/arch/m68k/mvme16x/config.c:439:2: warning: #warning check me! [-Wcpp] #warning check me! ^~~~~~~ /kisskb/src/arch/m68k/mvme147/config.c: In function 'mvme147_hwclk': /kisskb/src/arch/m68k/mvme147/config.c:174:2: warning: #warning check me! [-Wcpp] #warning check me! ^~~~~~~ In file included from /kisskb/src/drivers/net/ethernet/8390/xsurf100.c:48: /kisskb/src/drivers/net/ethernet/8390/lib8390.c:995:27: warning: '____alloc_ei_netdev' defined but not used [-Wunused-function] static struct net_device *____alloc_ei_netdev(int size) ^~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:957:13: warning: '__ei_set_multicast_list' defined but not used [-Wunused-function] static void __ei_set_multicast_list(struct net_device *dev) ^~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:857:33: warning: '__ei_get_stats' defined but not used [-Wunused-function] static struct net_device_stats *__ei_get_stats(struct net_device *dev) ^~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:512:13: warning: '__ei_poll' defined but not used [-Wunused-function] static void __ei_poll(struct net_device *dev) ^~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:303:20: warning: '__ei_start_xmit' defined but not used [-Wunused-function] static netdev_tx_t __ei_start_xmit(struct sk_buff *skb, ^~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:257:13: warning: '__ei_tx_timeout' defined but not used [-Wunused-function] static void __ei_tx_timeout(struct net_device *dev, unsigned int txqueue) ^~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:233:12: warning: '__ei_close' defined but not used [-Wunused-function] static int __ei_close(struct net_device *dev) ^~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:204:12: warning: '__ei_open' defined but not used [-Wunused-function] static int __ei_open(struct net_device *dev) ^~~~~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 # Build took: 0:01:11.658463
© Michael Ellerman 2006-2018.