[Bug 287856] general protection fault on when rebooting into 14.3 from 14.2-RELEASE-p1

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 27 Jun 2025 13:07:48 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287856

            Bug ID: 287856
           Summary: general protection fault on when rebooting into 14.3
                    from 14.2-RELEASE-p1
           Product: Base System
           Version: 14.2-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: cheeky.m@gmx.com

running 14.2-RELEASE-p1, amd64
freebsd-update upgrade -r 14.3-RELEASE
install the kernel and reboot, get  fault.


Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer     = 0x20:0xffffffff80b19959
stack pointer           = 0x28:0xfffffe0084060c60
frame pointer           = 0x28:0xfffffe0084060ce0
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         = 2 (clock (0))
rdi: fffff800496f8a18 rsi: 3030303030303030 rdx: 0000000000000000
rcx: 0000000000000000  r8: 0000000000000001  r9: 0000000000000000
rax: 3030303030303030 rbx: fffff8000366d740 rbp: fffffe0084060ce0
r10: 00000000000001f4 r11: 00000000a403ffb7 r12: 0000000000000000
r13: fffff8000366d740 r14: fffffe0084060c88 r15: fffff800496f8a18
trap number             = 9
panic: general protection fault
cpuid = 0
time = 1750186367
KDB: stack backtrace:
#0 0xffffffff80b8b88d at kdb_backtrace+0x5d
#1 0xffffffff80b3dc11 at vpanic+0x131
#2 0xffffffff80b3dad3 at panic+0x43
#3 0xffffffff81025a0b at trap_fatal+0x40b
#4 0xffffffff80ffc388 at calltrap+0x8
#5 0xffffffff80b2a079 at crfree+0xa9
#6 0xffffffff80cf9aa4 at in_pcbfree+0x2a4
#7 0xffffffff80be2b39 at sorele_locked+0x89
#8 0xffffffff80d21ad0 at tcp_close+0x170
#9 0xffffffff80d2b9a9 at tcp_timer_2msl+0xf9
#10 0xffffffff80d2aa1e at tcp_timer_enter+0xfe
#11 0xffffffff80b5bbfc at softclock_call_cc+0x12c
#12 0xffffffff80b5d445 at softclock_thread+0xe5
#13 0xffffffff80af760f at fork_exit+0x7f
#14 0xffffffff80ffd3ee at fork_trampoline+0xe
Uptime: 69d22h37m10s




continued through freebsd-update and things are ok on 14.3 with multiple
reboots.

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