Buildresult: linus/rpc_defconfig/arm-gcc4.9 built on Dec 9 2020, 12:16

kisskb

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Status:	Failed
Date/Time:	Dec 9 2020, 12:16
Duration:	0:01:11.538736
Builder:	ka3
Revision:	afs: Fix memory leak when mounting with multiple source parameters (`4cb682964706deffb4861f0a91329ab3a705039f)`
Target:	linus/rpc_defconfig/arm-gcc4.9
Branch:	linus
Compiler:	arm-gcc4.9 (arm-linux-gnueabi-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	rpc_defconfig (download)
Log:	Download original Possible errors drivers/tty/vt/vt_ioctl.c:1019:1: internal compiler error: Max. number of generated reload insns per insn is achieved (90) make[4]: * [scripts/Makefile.build:279: drivers/tty/vt/vt_ioctl.o] Error 1 make[3]: * [scripts/Makefile.build:496: drivers/tty/vt] Error 2 make[2]: * [scripts/Makefile.build:496: drivers/tty] Error 2 make[1]: * [Makefile:1805: drivers] Error 2 fs/fat/dir.c:759:43: internal compiler error: Max. number of generated reload insns per insn is achieved (90) make[3]: * [scripts/Makefile.build:279: fs/fat/dir.o] Error 1 make[2]: * [scripts/Makefile.build:496: fs/fat] Error 2 make[1]: * [Makefile:1805: fs] Error 2 make: * [Makefile:185: __sub-make] Error 2 No warnings found in log. Full Log # git rev-parse -q --verify 4cb682964706deffb4861f0a91329ab3a705039f^{commit} 4cb682964706deffb4861f0a91329ab3a705039f already have revision, skipping fetch # git checkout -q -f -B kisskb 4cb682964706deffb4861f0a91329ab3a705039f # git clean -qxdf # < git log -1 # commit 4cb682964706deffb4861f0a91329ab3a705039f # Author: David Howells <dhowells@redhat.com> # Date: Tue Dec 8 23:52:03 2020 +0000 # # afs: Fix memory leak when mounting with multiple source parameters # # There's a memory leak in afs_parse_source() whereby multiple source= # parameters overwrite fc->source in the fs_context struct without freeing # the previously recorded source. # # Fix this by only permitting a single source parameter and rejecting with # an error all subsequent ones. # # This was caught by syzbot with the kernel memory leak detector, showing # something like the following trace: # # unreferenced object 0xffff888114375440 (size 32): # comm "repro", pid 5168, jiffies 4294923723 (age 569.948s) # backtrace: # slab_post_alloc_hook+0x42/0x79 # __kmalloc_track_caller+0x125/0x16a # kmemdup_nul+0x24/0x3c # vfs_parse_fs_string+0x5a/0xa1 # generic_parse_monolithic+0x9d/0xc5 # do_new_mount+0x10d/0x15a # do_mount+0x5f/0x8e # __do_sys_mount+0xff/0x127 # do_syscall_64+0x2d/0x3a # entry_SYSCALL_64_after_hwframe+0x44/0xa9 # # Fixes: 13fcc6837049 ("afs: Add fs_context support") # Reported-by: syzbot+86dc6632faaca40133ab@syzkaller.appspotmail.com # Signed-off-by: David Howells <dhowells@redhat.com> # cc: Randy Dunlap <rdunlap@infradead.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version # < git log --format=%s --max-count=1 4cb682964706deffb4861f0a91329ab3a705039f # < make -s -j 10 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- rpc_defconfig # < make -s -j 10 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- help # make -s -j 10 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- olddefconfig # make -s -j 10 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- /kisskb/src/drivers/tty/vt/vt_ioctl.c: In function 'vt_ioctl': /kisskb/src/drivers/tty/vt/vt_ioctl.c:1019:1: internal compiler error: Max. number of generated reload insns per insn is achieved (90) } ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: * [/kisskb/src/scripts/Makefile.build:279: drivers/tty/vt/vt_ioctl.o] Error 1 make[4]: * Waiting for unfinished jobs.... make[3]: * [/kisskb/src/scripts/Makefile.build:496: drivers/tty/vt] Error 2 make[3]: * Waiting for unfinished jobs.... make[2]: * [/kisskb/src/scripts/Makefile.build:496: drivers/tty] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1805: drivers] Error 2 make[1]: * Waiting for unfinished jobs.... /kisskb/src/fs/fat/dir.c: In function 'fat_ioctl_filldir': /kisskb/src/fs/fat/dir.c:759:43: internal compiler error: Max. number of generated reload insns per insn is achieved (90) FAT_IOCTL_FILLDIR_FUNC(fat_ioctl_filldir, __fat_dirent) ^ /kisskb/src/fs/fat/dir.c:714:9: note: in definition of macro 'FAT_IOCTL_FILLDIR_FUNC' struct dirent_type __user d2 = d1 + 1; \ ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[3]: [/kisskb/src/scripts/Makefile.build:279: fs/fat/dir.o] Error 1 make[2]: * [/kisskb/src/scripts/Makefile.build:496: fs/fat] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1805: fs] Error 2 make: *** [Makefile:185: __sub-make] Error 2 Command 'make -s -j 10 ARCH=arm O=/kisskb/build/linus_rpc_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_rpc_defconfig_arm-gcc4.9 # Build took: 0:01:11.538736

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