misc/178664: Truss may kill process
Mateusz Kwiatkowski
kwiat3k at panic.pl
Wed May 15 14:20:01 UTC 2013
>Number: 178664
>Category: misc
>Synopsis: Truss may kill process
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed May 15 14:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Mateusz Kwiatkowski
>Release: 9.1-RELEASE
>Organization:
>Environment:
FreeBSD stokrotka-v6 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC 2012 root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
Truss may kill process when attached to it.
>How-To-Repeat:
# sleep 100 &
[1] 93212
# truss -p 93212
sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0) sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0) sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)
process exit, rval = 0
[1] + done sleep 100
Sleep ends immediately instead of waiting 100 seconds.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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