Hi, Could you please send me how to reproduce the bug? It just works for me... but for sure my setup is different.
On Wed, Jan 15, 2020 at 10:03 PM Sjoerd Simons <sjo...@debian.org> wrote: > Package: slirp > Version: 1:1.0.17-9 > Severity: important > > The last upload fixes slirp crashes directly on startup on amd64; It now > just crashes > when starting to use it.... > > backtrace: > Program terminated with signal SIGSEGV, Segmentation fault. > #0 0x00005567818fa30b in tcp_reass (tp=tp@entry=0x556782590610, > ti=0x82590610, ti@entry=0x0, m=<optimized out>, m@entry=0x0) > at ./tcp_input.c:210 > 210 ./tcp_input.c: No such file or directory. > (gdb) bt > #0 0x00005567818fa30b in tcp_reass (tp=tp@entry=0x556782590610, > ti=0x82590610, ti@entry=0x0, m=<optimized out>, m@entry=0x0) > at ./tcp_input.c:210 > #1 0x00005567818fb8c1 in tcp_input (m=0x55678258ed00, iphlen=<optimized > out>, inso=inso@entry=0x0) at ./tcp_input.c:1074 > #2 0x00005567818f073c in ip_input (m=<optimized out>) at ip_input.c:214 > #3 0x00005567818f86ef in sl_dispatch (ttyp=ttyp@entry=0x55678258b2d0) at > ./sl.c:127 > #4 0x00005567818f889e in sl_input (ttyp=0x55678258b2d0, > if_bptr=0x7ffdd869e9e9 "\300\004\005\264\004\002\b\n\366KBX", > if_n=<optimized out>) at ./sl.c:35 > #5 0x00005567818ef6b2 in if_input (ttyp=0x55678258b2d0) at ./if.c:191 > #6 0x00005567818f24a4 in main_loop () at ./main.c:1158 > #7 0x00005567818e37d7 in main (argc=1, argv=0x7ffdd869f848) at ./main.c:95 > > > Problem now is usage of dereferences of seg_next which again is a pointer > cast to a 32 bit value to cause disaster. > > Most likely all the usages of `#if SIZEOF_CHAR_P == 4` should be reviewed > and > fixed up to properly make slirp work on 64 bit systrms... > > -- System Information: > Debian Release: bullseye/sid > APT prefers unstable-debug > APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, > 'testing'), (500, 'stable'), (1, 'experimental') > Architecture: amd64 (x86_64) > > Kernel: Linux 5.4.0-2-amd64 (SMP w/4 CPU cores) > Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), > LANGUAGE=en_GB.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /usr/bin/dash > Init: systemd (via /run/systemd/system) > LSM: AppArmor: enabled > > Versions of packages slirp depends on: > ii libc6 2.29-9 > ii libcrypt1 1:4.4.10-10 > > slirp recommends no packages. > > slirp suggests no packages. > > -- no debconf information > -- Regards, Roberto Lumbreras Debian developer