Package: psmisc Version: 22.21-2 Severity: normal Tags: upstream patch If a thread is deleted during the execution of the function get_threadname, the fclose function can be called with a NULL argument, which will cause a segmentation fault.
Core was generated by `pstree'. Program terminated with signal SIGSEGV, Segmentation fault. #0 _IO_new_fclose (fp=0x0) at iofclose.c:54 54 iofclose.c: No such file or directory. (gdb) bt #0 _IO_new_fclose (fp=0x0) at iofclose.c:54 #1 0x00000000004037be in ?? () #2 0x0000000000401a43 in ?? () #3 0x00007f577c553b45 in __libc_start_main (main=0x401670, argc=1, argv=0x7ffeb6139328, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeb6139318) at libc-start.c:287 #4 0x0000000000401e8d in ?? () Bug is fixed in upstream in version 22.22 by patch https://sourceforge.net/p/psmisc/patches/33/ Patch for this problem only: --- pstree.c.orig 2016-02-25 16:36:48.630355893 +0300 +++ pstree.c 2016-02-25 16:39:47.588783148 +0300 @@ -816,10 +816,10 @@ return threadname; } } + fclose(file); } /* Fall back to old method */ sprintf(threadname, "{%.*s}", COMM_LEN, comm); - fclose(file); return threadname; } -- System Information: Debian Release: 8.3 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.3.0-0.bpo.1-amd64 (SMP w/4 CPU cores) Locale: LANG=ru_RU.utf8, LC_CTYPE=ru_RU.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages psmisc depends on: ii libc6 2.19-18+deb8u3 ii libtinfo5 5.9+20140913-1+b1 psmisc recommends no packages. psmisc suggests no packages. -- no debconf information -- С уважением. WBR. Алексей. Alexey. mailto:ale...@remizov.org jabber:remi...@jabber.ru
