[Bug 278422] kernel panic related to IPv4 routes populated by bird2 when dxr routing algorithm used
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Date: Thu, 18 Apr 2024 02:27:58 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278422 Bug ID: 278422 Summary: kernel panic related to IPv4 routes populated by bird2 when dxr routing algorithm used Product: Base System Version: 14.0-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: gshapiro@FreeBSD.org While researching bug 278394, Marek recommended: net.route.algo.inet.algo=dxr Using that caused a kernel panic: Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xffffffff80cb316b stack pointer = 0x0:0xfffffe000374fd00 frame pointer = 0x0:0xfffffe000374fd10 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: deadc0dedeadc0de rsi: fffffe000374fd28 rdx: 000000000009f272 rcx: 000000000009f271 r8: 0000000000000f1c r9: 000000000009f271 rax: deadc0dedeadc0de rbx: fffffe000374fd28 rbp: fffffe000374fd10 r10: 0000000000004f93 r11: 0000000000800000 r12: fffffe00a133b000 r13: 0000000000000003 r14: deadc0dedeadc0de r15: 0000000000000f1c trap number = 9 panic: general protection fault cpuid = 0 time = 1713406520 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe000374fa40 vpanic() at vpanic+0x132/frame 0xfffffe000374fb70 panic() at panic+0x43/frame 0xfffffe000374fbd0 trap_fatal() at trap_fatal+0x40c/frame 0xfffffe000374fc30 calltrap() at calltrap+0x8/frame 0xfffffe000374fc30 --- trap 0x9, rip = 0xffffffff80cb316b, rsp = 0xfffffe000374fd00, rbp = 0xfffffe000374fd10 --- fib_get_rtable_info() at fib_get_rtable_info+0x1b/frame 0xfffffe000374fd10 dxr_change_rib_batch() at dxr_change_rib_batch+0x272/frame 0xfffffe000374fd70 apply_rtable_changes() at apply_rtable_changes+0x2a/frame 0xfffffe000374fda0 handle_fd_callout() at handle_fd_callout+0x167/frame 0xfffffe000374fe00 softclock_call_cc() at softclock_call_cc+0x14e/frame 0xfffffe000374fec0 softclock_thread() at softclock_thread+0xc6/frame 0xfffffe000374fef0 fork_exit() at fork_exit+0x82/frame 0xfffffe000374ff30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe000374ff30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- -- You are receiving this mail because: You are the assignee for the bug.