[Bug 233205] make(1) can stall, leak tons of memory, and trigger OOM during buildworld
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Tue Nov 13 19:44:13 UTC 2018
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233205
Bug ID: 233205
Summary: make(1) can stall, leak tons of memory, and trigger
OOM during buildworld
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: bugs at FreeBSD.org
Reporter: kevans at freebsd.org
I'm certain there's other ways to reproduce, but the simplest version I have
is:
cd /usr/src
rm lib/Makefile.inc
make -j4 buildworld
buildworld will stall early on, probably in cleandir or obj walk. truss reveals
tons and tons of:
fstatat(AT_FDCWD,"/usr/src/lib/ncurses/ncurses/../../Makefile.inc",0x7fffffffca20,0x0)
ERR#2 'No such file or directory'
fstatat(AT_FDCWD,"/usr/src/lib/ncurses/ncurses/../../Makefile.inc",0x7fffffffca20,0x0)
ERR#2 'No such file or directory'
fstatat(AT_FDCWD,"../Makefile.inc",0x7fffffffc908,0x0) ERR#2 'No such file or
directory'
openat(AT_FDCWD,"/usr/src/lib/ncurses/ncurses/../Makefile.inc",O_RDONLY,00) = 3
(0x3)
fstat(3,{ mode=-rw-r--r-- ,inode=43789,size=94,blksize=4096 }) = 0 (0x0)
mmap(0x0,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE,3,0x0) = 35266478080
(0x8360bc000)
close(3) = 0 (0x0)
It dies in different places, but always in a grandchild of lib/. The immediate
examples I have being:
make obj DIRPRFX=lib/csu/amd64/
make obj DIRPRFX=lib/geom/cache/
make obj DIRPRFX=lib/libalias/libalias/
make obj DIRPRFX=lib/csu/tests/
make cleandir DIRPRFX=lib/libbsnmp/libbsnmp/ [markj]
Eventually the system runs out of memory and make(1) is killed, killing the
buildworld. As indicated above, markj was also able to reproduce this.
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