Date: Fri, 11 Sep 2020 19:36:22 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 249257] panic: pgrp 9501 0xfffff8006654a780 pg_jobc 1 cnt 2 Message-ID: <bug-249257-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=249257 Bug ID: 249257 Summary: panic: pgrp 9501 0xfffff8006654a780 pg_jobc 1 cnt 2 Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: trasz@FreeBSD.org On amd64 13-CURRENT r365579M, running "truss -f sh" results in the following panic: panic: pgrp 9501 0xfffff8006654a780 pg_jobc 1 cnt 2 cpuid = 2 time = 1599852655 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00652068f0 vpanic() at vpanic+0x182/frame 0xfffffe0065206940 panic() at panic+0x43/frame 0xfffffe00652069a0 check_pgrp_jobc() at check_pgrp_jobc+0x124/frame 0xfffffe00652069e0 doenterpgrp() at doenterpgrp+0xc6/frame 0xfffffe0065206a30 enterpgrp() at enterpgrp+0x39e/frame 0xfffffe0065206a80 sys_setpgid() at sys_setpgid+0x219/frame 0xfffffe0065206ad0 amd64_syscall() at amd64_syscall+0x140/frame 0xfffffe0065206bf0 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0065206bf0 --- syscall (82, FreeBSD ELF64, sys_setpgid), rip = 0x80036f96a, rsp = 0x7fffffffe0d8, rbp = 0x7fffffffe110 --- KDB: enter: panic __curthread () at /usr/home/trasz/svn/syscall/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu, (kgdb) bt #0 __curthread () at /usr/home/trasz/svn/syscall/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=0) at /usr/home/trasz/svn/syscall/sys/kern/kern_shutdown.c:394 #2 0xffffffff8049f9ea in db_dump (dummy=<optimized out>, dummy2=<optimized out>, dummy3=<unavailable>, dummy4=<unavailable>) at /usr/home/trasz/svn/syscall/sys/ddb/db_command.c:575 #3 0xffffffff8049f7b0 in db_command (last_cmdp=<optimized out>, cmd_table=<optimized out>, dopager=1) at /usr/home/trasz/svn/syscall/sys/ddb/db_command.c:482 #4 0xffffffff8049f50d in db_command_loop () at /usr/home/trasz/svn/syscall/sys/ddb/db_command.c:535 #5 0xffffffff804a2826 in db_trap (type=<optimized out>, code=<optimized out>) at /usr/home/trasz/svn/syscall/sys/ddb/db_main.c:270 #6 0xffffffff80c22954 in kdb_trap (type=3, code=0, tf=<optimized out>) at /usr/home/trasz/svn/syscall/sys/kern/subr_kdb.c:699 #7 0xffffffff8101e63e in trap (frame=0xfffffe0065206820) at /usr/home/trasz/svn/syscall/sys/amd64/amd64/trap.c:576 #8 <signal handler called> #9 kdb_enter (why=0xffffffff811eca2f "panic", msg=<optimized out>) at /usr/home/trasz/svn/syscall/sys/kern/subr_kdb.c:486 #10 0xffffffff80bd71be in vpanic (fmt=<optimized out>, ap=<optimized out>) at /usr/home/trasz/svn/syscall/sys/kern/kern_shutdown.c:902 #11 0xffffffff80bd6f63 in panic (fmt=0xffffffff81c8dbc8 <cnputs_mtx> "\250\357\032\201\377\377\377\377") at /usr/home/trasz/svn/syscall/sys/kern/kern_shutdown.c:839 #12 0xffffffff80bbe174 in check_pgrp_jobc (pgrp=0xfffff8006654a780) at /usr/home/trasz/svn/syscall/sys/kern/kern_proc.c:667 #13 0xffffffff80bba476 in doenterpgrp (p=0xfffff8016a7d0000, pgrp=0xfffff80008ba7880) at /usr/home/trasz/svn/syscall/sys/kern/kern_proc.c:691 #14 0xffffffff80bba2ee in enterpgrp (p=0xfffff8016a7d0000, pgid=<optimized out>, pgrp=0xfffff80008ba7880, sess=0x0) at /usr/home/trasz/svn/syscall/sys/kern/kern_proc.c:606 #15 0xffffffff80bc2389 in sys_setpgid (td=0xfffffe0064d1fa00, uap=<optimized out>) at /usr/home/trasz/svn/syscall/sys/kern/kern_prot.c:434 #16 0xffffffff8101f480 in syscallenter (td=<optimized out>) at /usr/home/trasz/svn/syscall/sys/amd64/amd64/../../kern/subr_syscall.c:162 #17 amd64_syscall (td=0xfffffe0064d1fa00, traced=0) at /usr/home/trasz/svn/syscall/sys/amd64/amd64/trap.c:1156 #18 <signal handler called> #19 0x000000080036f96a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffe0d8 -- You are receiving this mail because: You are the assignee for the bug.help
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