syzbot


panic: tcp_opuatpniuct

Status: closed as dup on 2022/08/29 03:57
Reported-by: syzbot+e8baa0aa39f6c60da041@syzkaller.appspotmail.com
First crash: 693d, last: 693d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: tcp_output C 762 692d 694d

Sample crash report:
panic: tcp_opuatpniuct
: Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*384724  35961  32767        0x10  0x4000000    1  syz-executor.0
 243379   9876      0     0x14000      0x200    0  reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257befc) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000d0e470) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd806a87a1f8,fffffd80695a7200,fffffd806f6c3f00,fffffd807ae0d300) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff8000ffff57a8,3,ffff800025fd8680,0,ffff800025fd8770) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff8000ffff57a8,ffff800025fd8728,ffff800025fd8770) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff800025fd87f0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800025fd87f0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd7d209a67d0, 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{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
 cpu0: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_map.c", line 2486
*cpu1: tcp_output
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257befc) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000d0e470) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd806a87a1f8,fffffd80695a7200,fffffd806f6c3f00,fffffd807ae0d300) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff8000ffff57a8,3,ffff800025fd8680,0,ffff800025fd8770) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff8000ffff57a8,ffff800025fd8728,ffff800025fd8770) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff800025fd87f0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800025fd87f0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd7d209a67d0, count: -9
ddb{1}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff800025fd8160
rbx               0xffff800020dd9b8f
rdx               0xffff800000bb9200
rcx                                0
rax               0xffff8000ffff57a8
r8                 0x101010101010101
r9                0x8080808080808080
r10               0xddc87fa6ab56fe35
r11               0x9ee202081ea97298
r12               0xffff800020dd9990
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff823fc058    db_enter+0x18
cs                               0x8
rflags                         0x246
rsp               0xffff800025fd8150
ss                              0x10
db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.0) pid=384724 stat=onproc
    flags process=10<SUGID> proc=4000000<THREAD>
    pri=32, usrpri=86, nice=20
    forw=0xffffffffffffffff, list=0xffff8000ffff3270,0xffff800021233a58
    process=0xffff8000262194e0 user=0xffff800025fd3000, vmspace=0xfffffd806c7a6740
    estcpu=36, cpticks=1, pctcpu=0.0
    user=0, sys=1, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 61818  411406   4140  32767  2        0x10                syz-executor.1
 99847  222100  20039  32767  2        0x10                syz-executor.2
 88129  422927  80215  32767  2        0x10                syz-executor.5
 88129   45469  80215  32767  3   0x4000090  fsleep        syz-executor.5
 35961   27774  77683  32767  2        0x10                syz-executor.0
*35961  384724  77683  32767  7   0x4000010                syz-executor.0
 58854  160354  52133  32767  3        0x90  nanoslp       syz-executor.7
 52133  478750  65918      0  3        0x82  wait          syz-executor.7
 13684  371630  10081  32767  3        0x90  nanoslp       syz-executor.6
 10081   49723  65918      0  3        0x82  wait          syz-executor.6
 77196  253090  66213  32767  3        0x90  piperd        syz-executor.4
 66213   41923  65918      0  3        0x82  wait          syz-executor.4
  9783  411126      0      0  3     0x14200  bored         sosplice
 80215   97046  87297  32767  3        0x90  nanoslp       syz-executor.5
 28827  171873   4905  32767  3        0x90  nanoslp       syz-executor.3
 87297  506259  65918      0  3        0x82  wait          syz-executor.5
  4905  175125  65918      0  3        0x82  wait          syz-executor.3
 20039   50505  21984  32767  3        0x90  nanoslp       syz-executor.2
 21984  457169  65918      0  3        0x82  wait          syz-executor.2
  4140  309262  53958  32767  3        0x90  nanoslp       syz-executor.1
 53958   12620  65918      0  3        0x82  wait          syz-executor.1
 77683  353419  30878  32767  2        0x10                syz-executor.0
 30878   35912  65918      0  3        0x82  wait          syz-executor.0
 65918  416871  26790      0  3        0x82  wait          syz-fuzzer
 65918  124992  26790      0  3   0x4000082  nanoslp       syz-fuzzer
 65918  241990  26790      0  3   0x4000082  thrsleep      syz-fuzzer
 65918  307982  26790      0  3   0x4000082  wait          syz-fuzzer
 65918  237597  26790      0  3   0x4000082  thrsleep      syz-fuzzer
 65918   72948  26790      0  3   0x4000082  thrsleep      syz-fuzzer
 65918  371407  26790      0  3   0x4000082  wait          syz-fuzzer
 65918  218271  26790      0  3   0x4000082  thrsleep      syz-fuzzer
 65918   91754  26790      0  3   0x4000082  thrsleep      syz-fuzzer
 65918  385266  26790      0  3   0x4000082  wait          syz-fuzzer
 65918  345854  26790      0  3   0x4000082  wait          syz-fuzzer
 65918   34019  26790      0  3   0x4000082  kqread        syz-fuzzer
 65918   31988  26790      0  3   0x4000082  wait          syz-fuzzer
 65918  443166  26790      0  3   0x4000082  wait          syz-fuzzer
 65918  275806  26790      0  3   0x4000082  wait          syz-fuzzer
 65918  259775  26790      0  3   0x4000082  thrsleep      syz-fuzzer
 26790  166969  87635      0  3    0x10008a  sigsusp       ksh
 87635   66349  56412      0  3        0x9a  kqread        sshd
  2412  402880      1      0  3    0x100083  ttyin         getty
 56412   36621      1      0  3        0x88  kqread        sshd
 32265  506240  48004     73  3   0x1100090  kqread        syslogd
 48004  161177      1      0  3    0x100082  netio         syslogd
 69560  290936      1      0  3    0x100080  kqread        resolvd
 64778  408923  68885     77  3    0x100092  kqread        dhcpleased
 67240  474287  68885     77  3    0x100092  kqread        dhcpleased
 68885  250301      1      0  3        0x80  kqread        dhcpleased
 87153   79271      0      0  3     0x14200  bored         smr
 28011   62956      0      0  2     0x14200                zerothread
  8787  207159      0      0  3     0x14200  aiodoned      aiodoned
 51998  309203      0      0  3     0x14200  syncer        update
 34140   95537      0      0  3     0x14200  cleaner       cleaner
  9876  243379      0      0  7     0x14200                reaper
 55837  242987      0      0  3     0x14200  pgdaemon      pagedaemon
 72573   53016      0      0  3     0x14200  bored         viomb
 92501  320311      0      0  3  0x40014200  acpi0         acpi0
 80993  307138      0      0  3  0x40014200                idle1
 71867   54092      0      0  3     0x14200  bored         softnet
 23334  214624      0      0  3     0x14200  bored         softnet
 18594  346832      0      0  3     0x14200  bored         softnet
 57350  421316      0      0  3     0x14200  bored         softnet
  9744  103423      0      0  3     0x14200  bored         systqmp
 15608   90704      0      0  3     0x14200  bored         systq
 44337  104211      0      0  3  0x40014200  bored         softclock
 70379  376083      0      0  3  0x40014200                idle0
     1  334196      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{1}> show all locks
CPU 0:
exclusive kernel: protection fault trap, code=0
Faulted in DDB; continuing...
ddb{1}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 10209   6412K    6419K  78643K     11328        0
            pcb    13     16K      18K  78643K        19        0
         rtable   236      6K       7K  78643K      1161        0
         ifaddr    82     17K      17K  78643K       149        0
         sysctl     3      1K       1K  78643K         3        0
       counters    56     35K      35K  78643K        74        0
       ioctlops     0      0K       2K  78643K       188        0
            iov     0      0K      20K  78643K      1197        0
          mount     1      1K       1K  78643K         1        0
            log     0      0K       0K  78643K         4        0
         vnodes  1271     79K      79K  78643K      2337        0
      UFS quota     1     32K      32K  78643K         1        0
      UFS mount     5     36K      36K  78643K         5        0
            shm     2      1K       9K  78643K       126        0
         VM map     2      1K       1K  78643K         2        0
            sem    12      0K       0K  78643K      1625        0
        dirhash    12      2K       2K  78643K        12        0
           ACPI  1697    195K     286K  78643K     12548        0
      file desc    22     81K     121K  78643K      7812        0
          sigio     0      0K       0K  78643K        53        0
           proc    56     78K     115K  78643K      1444        0
        subproc   104      6K       6K  78643K       221        0
    NFS srvsock     1      0K       0K  78643K         1        0
     NFS daemon     1     16K      16K  78643K         1        0
    ip_moptions     1      0K       0K  78643K       517        0
       in_multi    99      6K       7K  78643K       291        0
    ether_multi     1      0K       0K  78643K        48        0
            mrt     2      0K       0K  78643K         2        0
    ISOFS mount     1     32K      32K  78643K         1        0
  MSDOSFS mount     1     16K      16K  78643K         1        0
           ttys   235   1049K    1049K  78643K       235        0
           exec     0      0K       2K  78643K      2074        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      62K  78643K         8        0
       UVM amap   324     89K     102K  78643K     48659        0
       UVM aobj   131      4K       4K  78643K       139        0
        memdesc     1      4K       4K  78643K         1        0
    crypto data     1      1K       1K  78643K         1        0
    ip6_options     0      0K       0K  78643K       188        0
            NDP    11      0K       2K  78643K        54        0
           temp   124   4726K    4854K  78643K     22618        0
         kqueue    12     18K      27K  78643K       839        0
      SYN cache     2     16K      16K  78643K         2        0
ddb{1}> 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      554    0      551     6     5     1     3     0     8    0
rtentry    112      216    0      105     4     0     4     4     0     8    0
unpcb      144     8389    0     8376    85    76     9    11     0     8    8
syncache   296       77    0       77    16    16     0     1     0     8    0
tcpqe       32      171    0      171    10    10     0     1     0     8    0
tcpcb      768     3525    0     3511    99    95     4    14     0     8    1
arp        120       39    0       20     1     0     1     1     0     8    0
ipq         40        3    0        3     2     2     0     1     0     8    0
ipqe        40       42    0       42     2     2     0     1     0     8    0
inpcb      368    14112    0    14092   143   135     8    20     0     8    4
nd6         48       54    0       30     1     0     1     1     0     8    0
kcovpl      48       17    0        9     1     0     1     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      881    0      425    31     2    29    30     0     8    0
art_table   32      882    0      425     4     0     4     4     0     8    0
art_node    16      215    0      114     1     0     1     1     0     8    0
sysvmsgpl   40       28    0        9     1     0     1     1     0     8    0
semapl     112     1623    0     1613     1     0     1     1     0     8    0
shmpl      112      136    0        8     4     0     4     4     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino2pl    256    11404    0     9952    92     0    92    92     0     8    0
ffsino     272    11404    0     9952    98     0    98    98     0     8    0
nchpl      144    21764    0    20126    63     0    63    63     0     8    0
uvmvnodes   80     5926    0        0   121     0   121   121     0     8    0
vnodes     216     5926    0        0   330     0   330   330     0     8    0
namei      1024   73580    0    73580     4     3     1     2     0     8    1
percpumem   16       49    0        9     1     0     1     1     0     8    0
kstatmem   264       40    0       18     2     0     2     2     0     8    0
scxspl     216    63139    0    63139    28    27     1     8     0     8    1
plimitpl   152     1470    0     1448     5     4     1     2     0     8    0
sigapl     424     8081    0     8027     7     0     7     7     0     8    0
futexpl     64    69722    0    69721     1     0     1     1     0     8    0
knotepl    120      823    0        0    18     1    17    17     0     8    0
kqueuepl   216     3157    0     3149    54    45     9    10     0     8    8
pipepl     320     3952    0     3924    76    68     8    13     0     8    5
fdescpl    496     8063    0     8030     6     1     5     6     0     8    0
filepl     152    64213    0    63977   105    87    18    24     0     8    8
lockfpl    104     1072    0     1070     2     1     1     2     0     8    0
lockfspl    48      296    0      294     1     0     1     1     0     8    0
sessionpl  144       32    0       16     1     0     1     1     0     8    0
pgrppl      48      598    0      582     1     0     1     1     0     8    0
ucredpl    104     7429    0     7411     1     0     1     1     0     8    0
zombiepl   144     8030    0     8027     1     0     1     1     0     8    0
processpl  1064    8081    0     8027     5     1     4     5     0     8    0
procpl     672    23457    0    23381    18     9     9     9     0     8    2
sosppl     168      131    0      130     9     8     1     1     0     8    0
sockpl     488    23381    0    23348   524   509    15    37     0     8    8
mcl64k     65536     18    0        0     3     0     3     3     0     8    0
mcl16k     16384     31    0        0     4     1     3     3     0     8    0
mcl12k     12288     25    0        0     2     0     2     2     0     8    0
mcl9k      9216      17    0        0     2     0     2     2     0     8    0
mcl8k      8192      33    0        0     4     1     3     3     0     8    0
mcl4k      4096      49    0        0     5     1     4     5     0     8    0
mcl2k2     2112       3    0        0     1     0     1     1     0     8    0
mcl2k      2048     298    0        0    31     2    29    31     0     8    0
mtagpl      96        3    0        0     1     0     1     1     0     8    0
mbufpl     256      592    0        0    29     0    29    29     0     8    0
bufpl      288    16051    0     9724   453     0   453   453     0     8    0
anonpl      24  1651508    0  1640003   217   113   104   108     0   186   10
amapchunkpl 152  140738    0   140131    73    40    33    38     0   158    5
amappl16   200    26172    0    25793   146   117    29    33     0     8    8
amappl15   192     2178    0     2169     1     0     1     1     0     8    0
amappl14   184      972    0      964     1     0     1     1     0     8    0
amappl13   176     1118    0     1114     1     0     1     1     0     8    0
amappl12   168     1393    0     1386     1     0     1     1     0     8    0
amappl11   160      113    0       97     1     0     1     1     0     8    0
amappl10   152      918    0      910     1     0     1     1     0     8    0
amappl9    144     1504    0     1501     1     0     1     1     0     8    0
amappl8    136     2385    0     2248     6     1     5     5     0     8    0
amappl7    128     1530    0     1509     1     0     1     1     0     8    0
amappl6    120     1299    0     1281     2     1     1     2     0     8    0
amappl5    112     7764    0     7742     1     0     1     1     0     8    0
amappl4    104     2131    0     2094     2     0     2     2     0     8    0
amappl3     96    25730    0    25675     2     0     2     2     0     8    0
amappl2     88     1891    0     1850     2     0     2     2     0     8    0
amappl1     80   201234    0   200542    26     9    17    19     0     8    1
amappl      88    47624    0    47451     5     0     5     5     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      138    0        8     3     0     3     3     0     8    0
uaddrrnd    24     8064    0     8030     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     8064    0     8030     1     0     1     1     0     8    0
vmmpekpl   168    76094    0    76027     4     0     4     4     0     8    0
vmmpepl    168   796029    0   793333   220    82   138   140     0   357    9
vmsppl     368     8063    0     8030     4     0     4     4     0     8    0
rwobjpl     56   205858    0   198385   117     8   109   109     0     8    0
pdppl      4096   16135    0    16060   258   177    81    95     0     8    6
pvpl        32  3072608    0  3056074   405   222   183   252     0   265   18
pmappl     248     8063    0     8030     3     0     3     3     0     8    0
extentpl    40       56    0       38     1     0     1     1     0     8    0
phpool     112     1166    0      324    25     0    25    25     0     8    0
ddb{1}> machine ddbcpu 0
Stopped at      x86_ipi_db+0x1a:        addq    $0x8,%rsp
x86_ipi_db(ffffffff82933ff0) 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
x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:651
comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269
cnputc(20) at cnputc+0x4b sys/dev/cons.c:218
db_putchar(6b) at db_putchar+0x34a db_force_whitespace sys/ddb/db_output.c:96 [inline]
db_putchar(6b) at db_putchar+0x34a sys/ddb/db_output.c:153
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064
db_printf(ffffffff8261ba78) at db_printf+0x85 sys/kern/subr_prf.c:498
panic(ffffffff825a1bd6) at panic+0xd7 sys/kern/subr_prf.c:216
__assert(ffffffff82619795,ffffffff826448c7,9b6,ffffffff825d77c8) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_map_teardown(fffffd80695105d8) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2488
uvmspace_free(fffffd80695105d8) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3436
reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 1
ddb{0}> trace
x86_ipi_db(ffffffff82933ff0) 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
x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:651
comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269
cnputc(20) at cnputc+0x4b sys/dev/cons.c:218
db_putchar(6b) at db_putchar+0x34a db_force_whitespace sys/ddb/db_output.c:96 [inline]
db_putchar(6b) at db_putchar+0x34a sys/ddb/db_output.c:153
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064
db_printf(ffffffff8261ba78) at db_printf+0x85 sys/kern/subr_prf.c:498
panic(ffffffff825a1bd6) at panic+0xd7 sys/kern/subr_prf.c:216
__assert(ffffffff82619795,ffffffff826448c7,9b6,ffffffff825d77c8) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_map_teardown(fffffd80695105d8) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2488
uvmspace_free(fffffd80695105d8) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3436
reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -14
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257befc) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000d0e470) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd806a87a1f8,fffffd80695a7200,fffffd806f6c3f00,fffffd807ae0d300) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff8000ffff57a8,3,ffff800025fd8680,0,ffff800025fd8770) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff8000ffff57a8,ffff800025fd8728,ffff800025fd8770) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff800025fd87f0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800025fd87f0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd7d209a67d0, count: 6
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257befc) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000d0e470) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd806a87a1f8,fffffd80695a7200,fffffd806f6c3f00,fffffd807ae0d300) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd806a87a1f8,fffffd806f6c3f00,ffff800025fd8500,0,fffffd807ae0d300,0) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff8000ffff57a8,3,ffff800025fd8680,0,ffff800025fd8770) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff8000ffff57a8,ffff800025fd8728,ffff800025fd8770) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff800025fd87f0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800025fd87f0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd7d209a67d0, count: -9

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/08/28 22:04 openbsd 8ffe6ae0af63 07177916 .config console log report ci-openbsd-setuid panic: tcp_opuatpniuct
* Struck through repros no longer work on HEAD.