[Bug 254982] Kernel panic when building packages via clang

Sun Apr 11 16:50:31 UTC 2021

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254982

            Bug ID: 254982
           Summary: Kernel panic when building packages via clang
           Product: Base System
           Version: 12.2-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs at FreeBSD.org
          Reporter: admin at support.od.ua

Created attachment 224029
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=224029&action=edit
core.txt.2

# uname -a
FreeBSD mary-teresa.XXX.ua 12.2-STABLE FreeBSD 12.2-STABLE #0 r368992M: Tue Jan
12 03:49:03 EET 2021    
root at mary-teresa.XXX.ua:/usr/obj/usr/src/amd64.amd64/sys/mary-teresa.XXX.ua.5 
amd64

# uname -KU
1202505 1202505

Unread portion of the kernel message buffer:

Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address   = 0x800010
fault code              = supervisor write data, page not present
instruction pointer     = 0x20:0xffffffff81234548
stack pointer           = 0x28:0xfffffe002abfda60
frame pointer           = 0x28:0xfffffe002abfdb50
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 66405 (c++)
trap number             = 12
panic: page fault
cpuid = 2
time = 1618129843
Uptime: 89d0h44m48s
Dumping 2628 out of 8115 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

Reading symbols from /usr/lib/debug/boot/kernel/zfs.ko.debug...done.
Loaded symbols for /usr/lib/debug/boot/kernel/zfs.ko.debug
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from
/usr/lib/debug//boot/kernel/opensolaris.ko.debug...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/cc_htcp.ko...Reading symbols from
/usr/lib/debug//boot/kernel/cc_htcp.ko.debug...done.
done.
Loaded symbols for /boot/kernel/cc_htcp.ko
Reading symbols from /boot/kernel/acpi_wmi.ko...Reading symbols from
/usr/lib/debug//boot/kernel/acpi_wmi.ko.debug...done.
done.
Loaded symbols for /boot/kernel/acpi_wmi.ko
Reading symbols from /boot/kernel/uhid.ko...Reading symbols from
/usr/lib/debug//boot/kernel/uhid.ko.debug...done.
done.
Loaded symbols for /boot/kernel/uhid.ko
Reading symbols from /boot/kernel/wmt.ko...Reading symbols from
/usr/lib/debug//boot/kernel/wmt.ko.debug...done.
done.
Loaded symbols for /boot/kernel/wmt.ko
Reading symbols from /boot/kernel/tmpfs.ko...Reading symbols from
/usr/lib/debug//boot/kernel/tmpfs.ko.debug...done.
done.
Loaded symbols for /boot/kernel/tmpfs.ko
Reading symbols from /boot/kernel/nullfs.ko...Reading symbols from
/usr/lib/debug//boot/kernel/nullfs.ko.debug...done.
done.
Loaded symbols for /boot/kernel/nullfs.ko
Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from
/usr/lib/debug//boot/kernel/linprocfs.ko.debug...done.
done.
Loaded symbols for /boot/kernel/linprocfs.ko
Reading symbols from /boot/kernel/linux_common.ko...Reading symbols from
/usr/lib/debug//boot/kernel/linux_common.ko.debug...done.
done.
Loaded symbols for /boot/kernel/linux_common.ko
#0  doadump () at src/sys/amd64/include/pcpu_aux.h:55
55              __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct
pcpu,
(kgdb) list *0xffffffff81234548
0xffffffff81234548 is in pmap_remove_pages
(src/sys/amd64/include/atomic.h:445).
440     ATOMIC_ASM(clear,    short, "andw %w1,%0", "ir", ~v);
441     ATOMIC_ASM(add,      short, "addw %w1,%0", "ir",  v);
442     ATOMIC_ASM(subtract, short, "subw %w1,%0", "ir",  v);
443
444     ATOMIC_ASM(set,      int,   "orl %1,%0",   "ir",  v);
445     ATOMIC_ASM(clear,    int,   "andl %1,%0",  "ir", ~v);
446     ATOMIC_ASM(add,      int,   "addl %1,%0",  "ir",  v);
447     ATOMIC_ASM(subtract, int,   "subl %1,%0",  "ir",  v);
448
449     ATOMIC_ASM(set,      long,  "orq %1,%0",   "er",  v);
Current language:  auto; currently minimal
(kgdb) bt
#0  doadump () at src/sys/amd64/include/pcpu_aux.h:55
#1  0xffffffff80c628a4 in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:451
#2  0xffffffff80c62c94 in vpanic (fmt=<value optimized out>, ap=<value
optimized out>) at /usr/src/sys/kern/kern_shutdown.c:880
#3  0xffffffff80c62af3 in panic (fmt=<value optimized out>) at
/usr/src/sys/kern/kern_shutdown.c:807
#4  0xffffffff81243136 in trap_fatal (frame=0xfffffe002abfd9a0, eva=8388624) at
/usr/src/sys/amd64/amd64/trap.c:921
#5  0xffffffff812434c3 in trap_pfault (frame=0xfffffe002abfd9a0,
usermode=false, signo=0x0, ucode=0x0) at src/sys/amd64/include/cpufunc.h:424
#6  0xffffffff812428c4 in trap (frame=0xfffffe002abfd9a0) at
/usr/src/sys/amd64/amd64/trap.c:405
#7  0xffffffff8121aff8 in calltrap () at
/usr/src/sys/amd64/amd64/exception.S:289
#8  0xffffffff81234548 in pmap_remove_pages (pmap=<value optimized out>) at
/usr/src/sys/amd64/amd64/pmap.c:7124
#9  0xffffffff810ac75e in vmspace_exit (td=0xfffff800b9bf8000) at
/usr/src/sys/vm/vm_map.c:411
#10 0xffffffff80c1d679 in exit1 (td=<value optimized out>, rval=<value
optimized out>, signo=0) at /usr/src/sys/kern/kern_exit.c:399
#11 0xffffffff80c1d11d in sys_sys_exit (td=<value optimized out>, uap=<value
optimized out>) at /usr/src/sys/kern/kern_exit.c:176
#12 0xffffffff81243d47 in amd64_syscall (td=0xfffff800b9bf8000, traced=0) at
src/sys/amd64/amd64/../../kern/subr_syscall.c:144
#13 0xffffffff8121b91e in fast_syscall_common () at
/usr/src/sys/amd64/amd64/exception.S:582
#14 0x0000000004754b2a in ?? ()
Previous frame inner to this frame (corrupt stack?)

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