Date: Wed, 01 Sep 2021 14:50:10 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 258196] Kernel panic on pf_free_state with HardenedBSD Message-ID: <bug-258196-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D258196 Bug ID: 258196 Summary: Kernel panic on pf_free_state with HardenedBSD Product: Base System Version: 12.2-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: theo.bertin@advens.fr Hi everyone, We're currently experiencing kernel panics on HardenedBSD machines following 12.2-stable : uname -a : FreeBSD [redacted] 12.2-STABLE-HBSD FreeBSD 12.2-STABLE-HBSD #0 : Tue Aug 10 20:14:33 UTC 2021=20=20=20=20 ro...@ci-12.md.hardenedbsd.lan:/usr/obj/usr/src/amd64.amd64/sys/HARDENEDBSD= =20 amd64 Since an update of kernel around July, some of our machines began rebooting= at random times following a kernel panic : /var/crash/info.0 : Dump header from device: /dev/da1 Architecture: amd64 Architecture Version: 2 Dump Length: 626298880 Blocksize: 512 Compression: none Dumptime: Tue Aug 31 14:22:24 2021 Hostname: [redacted] Magic: FreeBSD Kernel Dump Version String: FreeBSD 12.2-STABLE-HBSD #0 : Tue Aug 10 20:14:33 UTC 2021 ro...@ci-12.md.hardenedbsd.lan:/usr/obj/usr/src/amd64.amd64/sys/HARDENED= BSD Panic String: pf_free_state: timeout 0 Dump Parity: 436929362 Bounds: 0 Dump Status: good /var/log/messages : Sep 1 05:23:08 [redacted] syslogd: kernel boot file is /boot/kernel/kernel Sep 1 05:23:08 [redacted] kernel: [4048] panic: pf_free_state: timeout 0 Sep 1 05:23:08 [redacted] kernel: [4048] cpuid =3D 2 Sep 1 05:23:08 [redacted] kernel: [4048] time =3D 1630473734 Sep 1 05:23:08 [redacted] kernel: [4048] __HardenedBSD_version =3D 1200060 __FreeBSD_version =3D 1202508 Sep 1 05:23:08 [redacted] kernel: [4048] version =3D FreeBSD 12.2-STABLE-H= BSD #0 : Tue Aug 10 20:14:33 UTC 2021 Sep 1 05:23:08 [redacted] kernel: [4048]=20=20=20=20 ro...@ci-12.md.hardenedbsd.lan:/usr/obj/usr/src/amd64.amd64/sys/HARDENEDBSD Sep 1 05:23:08 [redacted] kernel: [4048] KDB: stack backtrace: Sep 1 05:23:08 [redacted] kernel: [4048] #0 0xffffffff80b9f12b at kdb_backtrace+0x6b Sep 1 05:23:08 [redacted] kernel: [4048] #1 0xffffffff80b581e0 at vpanic+0= x180 Sep 1 05:23:08 [redacted] kernel: [4048] #2 0xffffffff80b57fe3 at panic+0x= 43 Sep 1 05:23:08 [redacted] kernel: [4048] #3 0xffffffff82923622 at pf_free_state+0xb2 Sep 1 05:23:08 [redacted] kernel: [4048] #4 0xffffffff8292cdde at pf_test_rule+0x312e Sep 1 05:23:08 [redacted] kernel: [4048] #5 0xffffffff82930282 at pf_test6+0x772 Sep 1 05:23:08 [redacted] kernel: [4048] #6 0xffffffff8293abe9 at pf_check6_out+0x59 Sep 1 05:23:08 [redacted] kernel: [4048] #7 0xffffffff80c7095a at pfil_run_hooks+0xaa Sep 1 05:23:08 [redacted] kernel: [4048] #8 0xffffffff80da192f at ip6_output+0x15af Sep 1 05:23:08 [redacted] kernel: [4048] #9 0xffffffff80d67317 at tcp_output+0x1d37 Sep 1 05:23:08 [redacted] kernel: [4048] #10 0xffffffff80d7acb0 at tcp6_usr_connect+0x2f0 Sep 1 05:23:08 [redacted] kernel: [4048] #11 0xffffffff80be75fc at soconnectat+0xdc Sep 1 05:23:08 [redacted] kernel: [4048] #12 0xffffffff80beea8e at kern_connectat+0xfe Sep 1 05:23:08 [redacted] kernel: [4048] #13 0xffffffff80bee965 at sys_connect+0x75 Sep 1 05:23:08 [redacted] kernel: [4048] #14 0xffffffff81023556 at amd64_syscall+0x2b6 Sep 1 05:23:08 [redacted] kernel: [4048] #15 0xffffffff80ffa99e at fast_syscall_common+0xf8 Sep 1 05:23:08 [redacted] kernel: [4048] Uptime: 1h7m28s Sep 1 05:23:08 [redacted] kernel: [4048] Dumping 580 out of 4056 MB:..3%..12%..23%..31%..42%..53%..61%..72%..83%..91% Sep 1 05:23:08 [redacted] kernel: [4048] Dump complete Sep 1 05:23:08 [redacted] kernel: [4048] Automatic reboot in 15 seconds - press a key on the console to abort A bug has already been filled over at HardenedBSD, but the problem seems inherent to PF's source code : https://groups.google.com/a/hardenedbsd.org/g/users/c/rX7-zJQWnu0 It should be interesting to note that all the impacted machines use an IPv6 stack --=20 You are receiving this mail because: You are the assignee for the bug.=
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