cccc junk pointer (was: Re: [current tinderbox] failure on i386/pc98)

[Robert Watson]

On Tue, 15 Jun 2004, FreeBSD Tinderbox wrote:

> >>> stage 3.2: building everything
> [...]
> cc -c -O2 -pipe -fno-strict-aliasing  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/crypto/sha1.c
> cc -c -O2 -pipe -fno-strict-aliasing  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/crypto/sha2/sha2.c

> cc -c -O2 -pipe -fno-strict-aliasing  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/ddb/db_access.c
> cc -c -O2 -pipe -fno-strict-aliasing  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/ddb/db_break.c
> cc -c -O2 -pipe -fno-strict-aliasing  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/ddb/db_command.c
> cc -c -O2 -pipe -fno-strict-aliasing  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/ddb/db_elf.c
> cccc:  in free(): error: junk pointer, too high to make sense
> Abort trap (core dumped)
> *** Error code 134
> 
> Stop in /tinderbox/CURRENT/i386/pc98/obj/pc98/tinderbox/CURRENT/i386/pc98/src/sys/LINT.
> *** Error code 1
> 
> Stop in /tinderbox/CURRENT/i386/pc98/src.
> *** Error code 1
> 
> Stop in /tinderbox/CURRENT/i386/pc98/src.
> TB --- 2004-06-15 17:13:44 - WARNING: /usr/bin/make returned exit code  1 
> TB --- 2004-06-15 17:13:44 - ERROR: failed to build lint kernel
> TB --- 2004-06-15 17:13:44 - tinderbox aborted

I've noticed a few of these recently.  Do we have any information on
whether this is a compiler bug, a hardware problem on the tinderbox, or a
kernel problem on the tinderbox?

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Senior Research Scientist, McAfee Research