From a554cedba4b98df6cfedf254f2be7cfb919ea526 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Wed, 19 May 2021 01:02:43 +0200
Subject: if_wg: pass back result of selftests and enable in CI

Hopefully bad tests will cause the module to not insert, so the CI picks
this up. It looks like a failure to insert the module at the moment
actually causes another crash, though:

    Kernel page fault with the following non-sleepable locks held:
    exclusive sleep mutex if_cloners lock (if_cloners lock) r = 0 (0xffffffff81d9a9b8) locked @ /usr/src/sys/net/if_clone.c:447
    stack backtrace:
    #0 0xffffffff80c66181 at witness_debugger+0x71
    #1 0xffffffff80c6729d at witness_warn+0x40d
    #2 0xffffffff8109499e at trap_pfault+0x7e
    #3 0xffffffff81093fab at trap+0x2ab
    #4 0xffffffff810687f8 at calltrap+0x8
    #5 0xffffffff82925610 at wg_module_event_handler+0x120
    #6 0xffffffff80bd53c3 at module_register_init+0xd3
    #7 0xffffffff80bc5c61 at linker_load_module+0xc01
    #8 0xffffffff80bc73b9 at kern_kldload+0xe9
    #9 0xffffffff80bc74db at sys_kldload+0x5b
    #10 0xffffffff810952f7 at amd64_syscall+0x147
    #11 0xffffffff8106911e at fast_syscall_common+0xf8

    Fatal trap 12: page fault while in kernel mode
    cpuid = 9; apic id = 09
    fault virtual address   = 0x70
    fault code              = supervisor read data, page not present
    instruction pointer     = 0x20:0xffffffff80d18e37
    stack pointer           = 0x28:0xfffffe0115fb35a0
    frame pointer           = 0x28:0xfffffe0115fb35c0
    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         = 1587 (kldload)
    trap number             = 12
    panic: page fault
    cpuid = 9
    time = 1621380034
    KDB: stack backtrace:
    #0 0xffffffff80c44695 at kdb_backtrace+0x65
    #1 0xffffffff80bf9d01 at vpanic+0x181
    #2 0xffffffff80bf9ad3 at panic+0x43
    #3 0xffffffff81094917 at trap_fatal+0x387
    #4 0xffffffff810949b7 at trap_pfault+0x97
    #5 0xffffffff81093fab at trap+0x2ab
    #6 0xffffffff810687f8 at calltrap+0x8
    #7 0xffffffff82925610 at wg_module_event_handler+0x120
    #8 0xffffffff80bd53c3 at module_register_init+0xd3
    #9 0xffffffff80bc5c61 at linker_load_module+0xc01
    #10 0xffffffff80bc73b9 at kern_kldload+0xe9
    #11 0xffffffff80bc74db at sys_kldload+0x5b
    #12 0xffffffff810952f7 at amd64_syscall+0x147
    #13 0xffffffff8106911e at fast_syscall_common+0xf8

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 .cirrus.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to '.cirrus.yml')

diff --git a/.cirrus.yml b/.cirrus.yml
index 0d0036c..bcca434 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -2,11 +2,10 @@ freebsd_task:
     timeout_in: 120m
     install_script:
     -  ASSUME_ALWAYS_YES=yes pkg bootstrap -f ; pkg install -y bash iperf3 wireguard-tools
-    script:
     - fetch https://download.freebsd.org/ftp/releases/$(uname -m)/$(uname -r)/src.txz
     - tar -C / -x -f src.txz
     build_script:
-    - make -j $(sysctl -n hw.ncpu) -C src
+    - make -j $(sysctl -n hw.ncpu) -C src DEBUG_FLAGS=-DSELFTESTS
     test_script:
     - kldload src/if_wg.ko
     - tests/netns.sh
-- 
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