Date: Wed, 08 Oct 2025 12:49:22 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 290092] panic after TCP syncache overflow detected Message-ID: <bug-290092-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290092 Bug ID: 290092 Summary: panic after TCP syncache overflow detected Product: Base System Version: 14.3-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: bsd@itglob.ru uname -a : FreeBSD gate 14.3-STABLE FreeBSD 14.3-STABLE #0 stable/14-1cc96642675b: Mon Oct 6 23:39:08 MSK 2025 root@gate:/usr/obj/usr/src/amd64.amd64/sys/GATE_AMD64 amd64 Oct 7 15:47:53 o kernel: TCP syncache overflow detected; using syncookies for the next 15 seconds Oct 7 15:47:53 o kernel: Oct 7 15:47:53 o syslogd: last message repeated 1 times Oct 7 15:47:53 o kernel: Fatal trap 12: page fault while in kernel mode Oct 7 15:47:53 o kernel: cpuid = 2; apic id = 02 Oct 7 15:47:53 o kernel: fault virtual address = 0x0 Oct 7 15:47:53 o kernel: fault code = supervisor read data, page not present Oct 7 15:47:53 o kernel: instruction pointer = 0x20:0xffffffff80ba4cea Oct 7 15:47:53 o kernel: stack pointer = 0x28:0xfffffe00c61f5a60 Oct 7 15:47:53 o kernel: frame pointer = 0x28:0xfffffe00c61f5a70 Oct 7 15:47:53 o kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Oct 7 15:47:53 o kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 Oct 7 15:47:53 o kernel: processor eflags = interrupt enabled, resume, IOPL = 0 Oct 7 15:47:53 o kernel: current process = 12 (swi1: netisr 0) Oct 7 15:47:53 o kernel: rdi: 0000000000000000 rsi: fffffe00dcb05660 rdx: 0000000000000000 Oct 7 15:47:53 o kernel: rcx: fffffe009e960ce0 r8: ffffffff80ba8b40 r9: 0000000000000004 Oct 7 15:47:53 o kernel: rax: fffffe014358b478 rbx: 0000000000000000 rbp: fffffe00c61f5a70 Oct 7 15:47:53 o kernel: r10: 0000000000000001 r11: 0000000000000049 r12: 0000000000000000 Oct 7 15:47:53 o kernel: r13: fffff802c3a196e0 r14: fffff80001900000 r15: fffff802c3a196e0 Oct 7 15:47:53 o kernel: trap number = 12 Oct 7 15:47:53 o kernel: panic: page fault Oct 7 15:47:53 o kernel: cpuid = 2 Oct 7 15:47:53 o kernel: time = 1759841217 Oct 7 15:47:53 o kernel: KDB: stack backtrace: Oct 7 15:47:53 o kernel: #0 0xffffffff80a438bd at kdb_backtrace+0x5d Oct 7 15:47:53 o kernel: #1 0xffffffff809f5111 at vpanic+0x161 Oct 7 15:47:53 o kernel: #2 0xffffffff809f4fa3 at panic+0x43 Oct 7 15:47:53 o kernel: #3 0xffffffff80e52d5a at trap_pfault+0x3da Oct 7 15:47:53 o kernel: #4 0xffffffff80e28be8 at calltrap+0x8 Oct 7 15:47:53 o kernel: #5 0xffffffff80ba8285 at syncache_insert+0x75 Oct 7 15:47:53 o kernel: #6 0xffffffff80ba7679 at syncache_add+0xd39 Oct 7 15:47:53 o kernel: #7 0xffffffff80b8d1c3 at tcp_input_with_port+0x12c3 Oct 7 15:47:53 o kernel: #8 0xffffffff80b8d7bb at tcp_input+0xb Oct 7 15:47:53 o kernel: #9 0xffffffff80b7d1a9 at ip_input+0x229 Oct 7 15:47:53 o kernel: #10 0xffffffff80b483e8 at swi_net+0x128 Oct 7 15:47:53 o kernel: #11 0xffffffff809b0809 at ithread_loop+0x239 Oct 7 15:47:53 o kernel: #12 0xffffffff809acde1 at fork_exit+0x81 Oct 7 15:47:53 o kernel: #13 0xffffffff80e29c0e at fork_trampoline+0xe -- You are receiving this mail because: You are the assignee for the bug.home | help
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