Red Hat Bugzilla – Bug 982348
rpm failed to install package with large number of files
Last modified: 2014-02-06 01:42:33 EST
Description of problem:
rpm reports that the installation process of package which contains large number of files (~68k files) failed without giving any meaningful reason.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. create an rpm package which contains a large number of files (in my case it's about 68k small files which is a database for another program)
2. rpm -i <package_name>
error: installation failed
Package should be installed without error.
Unfortunately neither -vv argument option passed to the rpm nor the strace didn't give me any clue.
Debugging showed that the problem is in the lib/header.c:547 line:
/* Sanity checks on header intro. */
if (hdrchkTags(il) || hdrchkData(dl))
More precisely the hdrchkData(dl) marco returns true as the dl > HEADER_DATA_MAX
(it's equal to 0x11df6b8)
Definition is in the lib/header_internal.h:
* Sanity check on data size and/or offset and/or count.
* This check imposes a limit of 16 MB, more than enough.
#define HEADER_DATA_MAX 0x00ffffff
#define hdrchkData(_nbytes) ((_nbytes) & (~HEADER_DATA_MAX))
#0 headerExport (h=0x8087868, bsize=0xbfffefe8) at header.c:547
#1 0x4003c7d9 in rpmdbAdd (db=0x807d188, h=0x8087868) at rpmdb.c:2654
#2 0x40054000 in rpmpsmStage (psm=0x807ed90, stage=PSM_RPMDB_ADD) at psm.c:982
#3 0x400533f5 in rpmpsmNext (psm=0x807ed90, nstage=PSM_RPMDB_ADD) at psm.c:703
#4 0x40053c94 in rpmpsmStage (psm=0x807ed90, stage=PSM_POST) at psm.c:891
#5 0x400533f5 in rpmpsmNext (psm=0x807ed90, nstage=PSM_POST) at psm.c:703
#6 0x40054317 in rpmpsmRun (ts=0x807cc70, te=0x807ede0, goal=PKG_INSTALL) at psm.c:1042
#7 0x4006848a in rpmteProcess (te=0x807ede0, goal=PKG_INSTALL) at rpmte.c:953
#8 0x40071089 in rpmtsProcess (ts=0x807cc70) at transaction.c:1395
#9 0x400712de in rpmtsRun (ts=0x807cc70, okProbs=0x0, ignoreSet=0) at transaction.c:1466
#10 0x4006010a in rpmcliTransaction (ts=0x807cc70, ia=0x400909a0 <rpmIArgs>, numPackages=1) at rpminstall.c:289
#11 0x40060e0b in rpmInstall (ts=0x807cc70, ia=0x400909a0 <rpmIArgs>, fileArgv=0x804d9f8) at rpminstall.c:589
#12 0x080499f3 in main (argc=4, argv=0xbffff4a4) at rpmqv.c:293
(gdb) p /x il
$28 = 0x6a
(gdb) p /x dl
$29 = 0x11df6b8
The question is whether this limit can be safely changed/increased?
If not, could it be possible to modify the code so that it would at least print out a little bit more meaningful error message?
Now it install all the files and just not updates the rpm database. Which results in a situation where it's not possible to uninstall the package (all already installed files) as it claims that the package is not installed.
See https://bugzilla.redhat.com/show_bug.cgi?id=706935#c2, this is the same except that newer rpm doesn't crash, it just silently fails (which is not a whole lot better).
Bumping up the limit would help but it wouldn't solve the actual problem: it'd still be possible to build a package which fails to install due to rpm itself causing the header becoming larger.
But yes, this needs fixing sooner than later.
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This wont help F18 anymore but just FWIW, an ages old flaw in rpm which got exposed in rpm >= 4.10 was just discovered. The flaw causes headers to appear much larger than they are on package install, causing this issue to occur even when the header does not actually exceed the size limit - see bug 953719.