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Date:      Mon, 07 Sep 2020 15:07:45 +0000
From:      bugzilla-noreply@freebsd.org
To:        pkg@FreeBSD.org
Subject:   [Bug 249166] ports-mgmt/pkg audit -F Segmentation fault
Message-ID:  <bug-249166-32340-ofuxHLN3yg@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-249166-32340@https.bugs.freebsd.org/bugzilla/>
References:  <bug-249166-32340@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D249166

--- Comment #1 from Matthias Andree <mandree@FreeBSD.org> ---
...its final words, with truss -f:

38964: openat(4,"local.conf",O_RDONLY,00)        =3D 5 (0x5)
38964: fstat(5,{ mode=3D-rw-r--r-- ,inode=3D1163531,size=3D109,blksize=3D40=
96 }) =3D 0
(0x0)
38964: mmap(0x0,109,PROT_READ,MAP_SHARED,5,0x0)  =3D 34376097792 (0x800f9a0=
00)
38964: munmap(0x800f9a000,109)                   =3D 0 (0x0)
38964: close(5)                                  =3D 0 (0x0)
38964: close(4)                                  =3D 0 (0x0)
38964: openat(AT_FDCWD,"/var/db/pkg",O_RDONLY|O_DIRECTORY|O_CLOEXEC,00) =3D=
 4
(0x4)
38964: fstatat(4,"vuln.xml",{ mode=3D-r--r--r--
,inode=3D11,size=3D6339069,blksize=3D131072 },0x0) =3D 0 (0x0)
38964: getrandom("(garbled stuff here)"...,40,0) =3D 40 (0x28)
38964: mmap(0x0,1104,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =3D
34376097792 (0x800f9a000)
38964: minherit(0x800f9a000,1104,INHERIT_ZERO)   =3D 0 (0x0)
38964: fstatat(AT_FDCWD,"/tmp",{ mode=3Ddrwxrwxrwt ,inode=3D4,size=3D18,blk=
size=3D16384
},0x0) =3D 0 (0x0)
38964: open("/tmp/vuln.xml.bz2.FlL4hBhW",O_RDWR|O_CREAT|O_EXCL,0600) =3D 5 =
(0x5)
38964: SIGNAL 11 (SIGSEGV) code=3DSEGV_MAPERR trapno=3D12 addr=3D0x20
38964: process killed, signal =3D 11 (core dumped)

(gdb) bt
#0  0x000000000049775a in pkg_fetch_file_to_fd ()
#1  0x000000000049765d in pkg_fetch_file_tmp ()
#2  0x000000000044cb1b in pkg_audit_fetch ()
#3  0x000000000029faaa in exec_audit ()
#4  0x00000000002a8bbc in main ()

--=20
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