syzbot


panic: lock (rwlock) solock not locked

Status: upstream: reported C repro on 2022/09/04 03:14
Reported-by: syzbot+0e026f1bf8b259c6395e@syzkaller.appspotmail.com
Fix commit: Use pru_send function to check socket splicing compatibility. Only
Patched on: [], missing on: [ci-openbsd-main ci-openbsd-multicore ci-openbsd-setuid]
First crash: 571d, last: 570d

Sample crash report:
panic: lock (rwlock) solock not locked
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*399500  52088      0         0x2          0    0K syz-executor1980428307
 240013  13139      0        0x12          0    1  sshd
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198
witness_assert(fffffd807829dba8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950
sbunlock(fffffd807829db90,fffffd807829dcd8) at sbunlock+0xc9 soassertlocked sys/kern/uipc_socket2.c:414 [inline]
sbunlock(fffffd807829db90,fffffd807829dcd8) at sbunlock+0xc9 sys/kern/uipc_socket2.c:479
sosplice(fffffd807829d7c0,5,0,0) at sosplice+0x550
sosetopt(fffffd807829d7c0,ffff,1023,fffffd806d346700) at sosetopt+0x7f4
sys_setsockopt(ffff8000212327e8,ffff8000212afdd8,ffff8000212afe20) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233
syscall(ffff8000212afea0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212afea0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9cd0, count: 6
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: lock (rwlock) solock not locked
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198
witness_assert(fffffd807829dba8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950
sbunlock(fffffd807829db90,fffffd807829dcd8) at sbunlock+0xc9 soassertlocked sys/kern/uipc_socket2.c:414 [inline]
sbunlock(fffffd807829db90,fffffd807829dcd8) at sbunlock+0xc9 sys/kern/uipc_socket2.c:479
sosplice(fffffd807829d7c0,5,0,0) at sosplice+0x550
sosetopt(fffffd807829d7c0,ffff,1023,fffffd806d346700) at sosetopt+0x7f4
sys_setsockopt(ffff8000212327e8,ffff8000212afdd8,ffff8000212afe20) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233
syscall(ffff8000212afea0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212afea0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9cd0, count: -9
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff8000212afb20
rbx               0xffffffff8296cb8f    cpu_info_full_primary+0x2b8f
rdx                            0x3fd
rcx                                0
rax                             0x27
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x8c0a6f5f3e904356
r11               0x7d228f1093222a1c
r12               0xffffffff8296c990    cpu_info_full_primary+0x2990
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff81f03e68    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff8000212afb10
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor1980428307) pid=399500 stat=onproc
    flags process=2<EXEC> proc=0
    pri=51, usrpri=51, nice=20
    forw=0xffffffffffffffff, list=0xffff8000212337a8,0xffff800021232fd8
    process=0xffff800021299900 user=0xffff8000212aa000, vmspace=0xfffffd806ef5a008
    estcpu=1, cpticks=1, pctcpu=0.0
    user=0, sys=1, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 28773  498374      0      0  2     0x14200                sosplice
*52088  399500  89382      0  7         0x2                syz-executor1980428307
 89382  189216  13139      0  3    0x10008a  sigsusp       ksh
 13139  240013  87783      0  7        0x12                sshd
 71319  424162      1      0  3    0x100083  ttyin         getty
 87783  146238      1      0  3        0x88  kqread        sshd
 53745  491677  46750     74  3   0x1100092  bpf           pflogd
 46750  198214      1      0  3        0x80  netio         pflogd
  3338  346119  30912     73  3   0x1100090  kqread        syslogd
 30912  488350      1      0  3    0x100082  netio         syslogd
 14916  484382      1      0  3    0x100080  kqread        resolvd
 76753  447174  32550     77  3    0x100092  kqread        dhcpleased
 28829  302290  32550     77  3    0x100092  kqread        dhcpleased
 32550  280064      1      0  3        0x80  kqread        dhcpleased
 92741  410543      0      0  3     0x14200  bored         smr
  4219  107099      0      0  2     0x14200                zerothread
 90400  467760      0      0  3     0x14200  aiodoned      aiodoned
 74069  277771      0      0  3     0x14200  syncer        update
 21791   62262      0      0  3     0x14200  cleaner       cleaner
 14754  154199      0      0  3     0x14200  reaper        reaper
 77836  272037      0      0  3     0x14200  pgdaemon      pagedaemon
 39958  386883      0      0  3     0x14200  bored         viomb
 35362  369270      0      0  3  0x40014200  acpi0         acpi0
 69266  445186      0      0  3  0x40014200                idle1
 28544  133890      0      0  3     0x14200  bored         softnet
 94239  218892      0      0  3     0x14200  bored         softnet
 99597  435515      0      0  3     0x14200  bored         softnet
 13941  351918      0      0  3     0x14200  bored         softnet
 62628   32410      0      0  3     0x14200  bored         systqmp
 68002  478619      0      0  3     0x14200  bored         systq
 13349  362493      0      0  3  0x40014200  bored         softclock
 71960   80268      0      0  3  0x40014200                idle0
     1  170866      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 52088 (syz-executor1980428307) thread 0xffff8000212327e8 (399500)
exclusive rwlock netlock r = 0 (0xffffffff82991290)
#0  witness_lock+0x44d
#1  sys_setsockopt+0x1de sys/kern/uipc_syscalls.c:1233
#2  syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#2  syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#3  Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829ee950)
#0  witness_lock+0x44d
#1  syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline]
#1  syscall+0x41d sys/arch/amd64/amd64/trap.c:585
#2  Xsyscall+0x128
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10162   6456K    6457K  78643K     11252        0
            pcb    13      8K       8K  78643K        13        0
         rtable    58      1K       2K  78643K       107        0
         ifaddr    30      8K       8K  78643K        33        0
       counters    40     33K      33K  78643K        40        0
       ioctlops     0      0K       4K  78643K      1479        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1167     73K      73K  78643K      1180        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       1K  78643K         2        0
         VM map     2      1K       1K  78643K         2        0
            sem     2      0K       0K  78643K         2        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc     1      0K       0K  78643K         1        0
           proc    67     91K      91K  78643K       282        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
       in_multi    11      0K       0K  78643K        11        0
    ether_multi     1      0K       0K  78643K         1        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys    25    122K     122K  78643K        25        0
           exec     0      0K       2K  78643K       431        0
            tdb     3      0K       0K  78643K         3        0
        pagedep     1      8K       8K  78643K         1        0
       inodedep     1     32K      32K  78643K         1        0
         newblk     1      0K       0K  78643K         1        0
        VM swap     8     62K      64K  78643K        10        0
       UVM amap    56      3K       5K  78643K      1532        0
       UVM aobj     3      2K       2K  78643K         3        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
            NDP     4      0K       0K  78643K         4        0
           temp    23   4709K    4773K  78643K      2498        0
         kqueue    11     16K      18K  78643K        24        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       22    0        0     1     0     1     1     0     8    0
rtpcb      120       17    0       14     1     0     1     1     0     8    0
rtentry    112       23    0        1     1     0     1     1     0     8    0
unpcb      144       36    0       20     1     0     1     1     0     8    0
syncache   296        5    0        5     2     1     1     1     0     8    1
tcpcb      768        9    0        5     1     0     1     1     0     8    0
arp        120        2    0        0     1     0     1     1     0     8    0
inpcb      368       34    0       26     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfstitem    24        8    0        0     1     0     1     1     0     8    0
pfstkey    120        8    0        0     1     0     1     1     0     8    0
pfstate    336        8    0        0     1     0     1     1     0     8    0
pfrule     1360      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256       97    0        0     7     0     7     7     0     8    0
art_table   32       98    0        0     1     0     1     1     0     8    0
art_node    16       22    0        2     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256     1424    0       39    87     0    87    87     0     8    0
ffsino     272     1424    0       39    93     0    93    93     0     8    0
nchpl      144     1611    0       48    58     0    58    58     0     8    0
uvmvnodes   80     1434    0        0    30     0    30    30     0     8    0
vnodes     216     1434    0        0    80     0    80    80     0     8    0
namei      1024    4383    0     4383     2     1     1     1     0     8    1
percpumem   16       32    0        0     1     0     1     1     0     8    0
kstatmem   264        8    0        0     1     0     1     1     0     8    0
scxspl     216     4090    0     4090    10     2     8     8     0     8    8
plimitpl   152       16    0        9     1     0     1     1     0     8    0
sigapl     424      323    0      290     5     1     4     5     0     8    0
knotepl    120       44    0        0     2     0     2     2     0     8    0
kqueuepl   216       20    0       13     1     0     1     1     0     8    0
pipepl     320       86    0       83     2     1     1     1     0     8    0
fdescpl    496      305    0      290     3     0     3     3     0     8    0
filepl     152     1185    0     1124     3     0     3     3     0     8    0
lockfpl    104        6    0        4     1     0     1     1     0     8    0
lockfspl    48        4    0        2     1     0     1     1     0     8    0
sessionpl  144       18    0        9     1     0     1     1     0     8    0
pgrppl      48       18    0        9     1     0     1     1     0     8    0
ucredpl    104       69    0       57     1     0     1     1     0     8    0
zombiepl   144      290    0      290     2     1     1     1     0     8    1
processpl  1064     323    0      290     3     0     3     3     0     8    0
procpl     672      323    0      290     4     1     3     4     0     8    0
sosppl     168        2    0        0     1     0     1     1     0     8    0
sockpl     488       87    0       60     5     1     4     4     0     8    0
mcl8k      8192       2    0        0     1     0     1     1     0     8    0
mcl4k      4096       3    0        0     1     0     1     1     0     8    0
mcl2k      2048      74    0        0     9     0     9     9     0     8    0
mtagpl      96        2    0        0     1     0     1     1     0     8    0
mbufpl     256      124    0        0     8     0     8     8     0     8    0
bufpl      288     1989    0       85   136     0   136   136     0     8    0
anonpl      24    37825    0    35841    18     4    14    15     0   186    2
amapchunkpl 152    2773    0     2677     6     2     4     6     0   158    0
amappl16   200       31    0       30     2     1     1     1     0     8    0
amappl15   192       67    0       63     1     0     1     1     0     8    0
amappl13   176       36    0       33     1     0     1     1     0     8    0
amappl12   168        3    0        3     2     1     1     1     0     8    1
amappl11   160       66    0       49     1     0     1     1     0     8    0
amappl10   152        2    0        1     1     0     1     1     0     8    0
amappl9    144      473    0      471     1     0     1     1     0     8    0
amappl8    136      364    0      364     2     1     1     1     0     8    1
amappl7    128       66    0       59     1     0     1     1     0     8    0
amappl6    120       90    0       84     1     0     1     1     0     8    0
amappl5    112       92    0       79     1     0     1     1     0     8    0
amappl4    104      632    0      609     1     0     1     1     0     8    0
amappl3     96      442    0      417     1     0     1     1     0     8    0
amappl2     88      312    0      283     1     0     1     1     0     8    0
amappl1     80     9491    0     9071    12     2    10    10     0     8    0
amappl      88     1252    0     1213     2     1     1     2     0    92    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        6    0        6     1     1     0     1     0     8    0
dma128     128      253    0      253     1     1     0     1     0     8    0
dma64       64        6    0        6     1     1     0     1     0     8    0
dma32       32        7    0        7     1     1     0     1     0     8    0
dma16       16       18    0       17     1     0     1     1     0     8    0
aobjpl      72        2    0        0     1     0     1     1     0     8    0
uaddrrnd    24      305    0      290     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      305    0      290     1     0     1     1     0     8    0
vmmpekpl   168     6262    0     6247     1     0     1     1     0     8    0
vmmpepl    168    26885    0    26019    48     6    42    42     0   357    3
vmsppl     368      304    0      290     2     0     2     2     0     8    0
rwobjpl     56     9636    0     7625    30     0    30    30     0     8    0
pdppl      4096     617    0      580    61    24    37    45     0     8    0
pvpl        32   126206    0   122249    39     4    35    35     0   265    0
pmappl     248      304    0      290     2     0     2     2     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112      418    0       28    12     0    12    12     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198
witness_assert(fffffd807829dba8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950
sbunlock(fffffd807829db90,fffffd807829dcd8) at sbunlock+0xc9 soassertlocked sys/kern/uipc_socket2.c:414 [inline]
sbunlock(fffffd807829db90,fffffd807829dcd8) at sbunlock+0xc9 sys/kern/uipc_socket2.c:479
sosplice(fffffd807829d7c0,5,0,0) at sosplice+0x550
sosetopt(fffffd807829d7c0,ffff,1023,fffffd806d346700) at sosetopt+0x7f4
sys_setsockopt(ffff8000212327e8,ffff8000212afdd8,ffff8000212afe20) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233
syscall(ffff8000212afea0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212afea0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9cd0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff829ee748) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829ee748) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff8000212c4a10) at syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline]
syscall(ffff8000212c4a10) at syscall+0x41d sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe9230, count: 9
ddb{1}> trace
x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff829ee748) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829ee748) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff8000212c4a10) at syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline]
syscall(ffff8000212c4a10) at syscall+0x41d sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe9230, count: -6
ddb{1}> 

Crashes (33):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/09/04 03:29 openbsd c3a3d6092d41 28811d0a .config console log report syz C ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 03:26 openbsd c3a3d6092d41 28811d0a .config console log report syz C ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 16:02 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 15:56 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 14:48 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 14:07 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 14:05 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 13:54 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 13:49 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 13:20 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 12:17 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 11:55 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 11:38 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 11:32 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 11:11 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 11:07 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 09:52 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 09:32 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 09:16 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 09:14 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 08:23 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 06:44 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 06:03 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 05:47 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 05:28 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 05:01 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 04:48 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 04:38 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 04:35 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 03:17 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 03:17 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
2022/09/04 03:15 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-setuid panic: lock (rwlock) solock not locked
2022/09/04 03:14 openbsd c3a3d6092d41 28811d0a .config console log report ci-openbsd-multicore panic: lock (rwlock) solock not locked
* Struck through repros no longer work on HEAD.