syzbot


panic: Assertion task->ta_pending == NUM failed at /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:LINE

Status: auto-closed as invalid on 2022/07/23 10:56
Reported-by: syzbot+98b499acb5ae417fd432@syzkaller.appspotmail.com
First crash: 942d, last: 942d

Sample crash report:
panic: Assertion task->ta_pending == 0 failed at /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:566
cpuid = 1
time = 1650797732
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00541c8830
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00541c8990
vpanic() at vpanic+0x2b8/frame 0xfffffe00541c8a70
panic() at panic+0xb5/frame 0xfffffe00541c8b30
soaio_enqueue() at soaio_enqueue+0x154/frame 0xfffffe00541c8b60
soo_aio_queue() at soo_aio_queue+0x530/frame 0xfffffe00541c8bb0
aio_aqueue() at aio_aqueue+0xbf2/frame 0xfffffe00541c8d30
ia32_syscall() at ia32_syscall+0x419/frame 0xfffffe00541c8f30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbfdbf78
KDB: enter: panic
[ thread pid 15817 tid 243480 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x270548a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0x77ef2ca2da1cdd99
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe00541c8970
rbp         0xfffffe00541c8990
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe0092e83c50
r12         0xfffffe0092e83740
r13         0xfffffe00541c8901
r14         0xffffffff82bc8800  .str.26
r15         0xffffffff82bc8800  .str.26
rip         0xffffffff81774f0b  kdb_enter+0x6b
rflags                0x200046  kernload+0x46
kdb_enter+0x6b: movq    $0,0x270548a(%rip)
db> show proc
Process 15817 (syz-executor.0) at 0xfffffe0092fac548:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 776 at 0xfffffe00924aa548
 ABI: FreeBSD ELF32
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.0 exec
 reaper: 0xfffffe0053df0000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009b7c99f8
   (map 0xfffffe009b7c99f8)
   (map.pmap 0xfffffe009b7c9ab8)
   (pmap 0xfffffe009b7c9b20)
 threads: 4
243453                   S       nanslp  0xffffffff83e47a40  syz-executor.0
243479                   RunQ                                syz-executor.0
243480                   Run     CPU 1                       syz-executor.0
243485                   S       uwait   0xfffffe0058c1e780  syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
15818   777   777     0  R       (threaded)                  syz-executor.1
243462                   RunQ                                syz-executor.1
243483                   S       connec  0xfffffe0058d8585a  syz-executor.1
15817   776   776     0  R       (threaded)                  syz-executor.0
243453                   S       nanslp  0xffffffff83e47a40  syz-executor.0
243479                   RunQ                                syz-executor.0
243480                   Run     CPU 1                       syz-executor.0
243485                   S       uwait   0xfffffe0058c1e780  syz-executor.0
58259     0     0     0  DL      -       0xffffffff83f67740  [soaiod4]
58258     0     0     0  DL      -       0xffffffff83f67740  [soaiod3]
58257     0     0     0  DL      -       0xffffffff83f67740  [soaiod2]
58256     0     0     0  RL                                  [soaiod1]
34582     1 34582    65  Ss      select  0xfffffe0092537440  dhclient
25485     1 25485     0  Ss      select  0xfffffe009a1f38c0  dhclient
25474     1 25474     0  Ss      select  0xfffffe009a1f2ac0  dhclient
25414     1 25414    65  Ss      select  0xfffffe009a1f39c0  dhclient
17130     1 17130     0  Ss      select  0xfffffe009a1f36c0  dhclient
17122     1 17122     0  Ss      select  0xfffffe009a1f3e40  dhclient
17080     1 17080    65  Ss      select  0xfffffe009a1f3640  dhclient
 8539     1  8539     0  Ss      select  0xfffffe0092537c40  dhclient
 8536     1  8536     0  Ss      select  0xfffffe00925359c0  dhclient
 8517     1  8517    65  Ss      select  0xfffffe0058b40ac0  dhclient
 3267     1  3267     0  Ss      select  0xfffffe00925356c0  dhclient
 3259     1  3259     0  Ss      select  0xfffffe0092536340  dhclient
  840     0     0     0  DL      aiordy  0xfffffe0092e3a000  [aiod4]
  839     0     0     0  DL      aiordy  0xfffffe00927a0000  [aiod3]
  838     0     0     0  DL      aiordy  0xfffffe0092e3a548  [aiod2]
  837     0     0     0  DL      aiordy  0xfffffe0092e3aa90  [aiod1]
  781   774   781     0  Rs                                  syz-executor.3
  780   774   780     0  Rs                                  syz-executor.2
  777   774   777     0  Ss      nanslp  0xffffffff83e47a40  syz-executor.1
  776   774   776     0  Ss      nanslp  0xffffffff83e47a40  syz-executor.0
  774   772   772     0  R       (threaded)                  syz-fuzzer
100116                   RunQ                                syz-fuzzer
100117                   RunQ                                syz-fuzzer
100118                   S       uwait   0xfffffe0057894400  syz-fuzzer
100119                   S       uwait   0xfffffe0057894500  syz-fuzzer
100120                   S       uwait   0xfffffe0058c1d080  syz-fuzzer
100121                   S       uwait   0xfffffe0058c1d180  syz-fuzzer
100122                   Run     CPU 0                       syz-fuzzer
100123                   S       uwait   0xfffffe0057894600  syz-fuzzer
100124                   S       uwait   0xfffffe0058c1d380  syz-fuzzer
100125                   S       uwait   0xfffffe0058c1c180  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffffe0053df0b40  csh
  770   688   770     0  Ss      select  0xfffffe0092537140  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00574774b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe005868ecb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00586904b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe0058690cb0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00586914b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0058691cb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0053f414b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0053f41cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0053f424b0  getty
  692     1   692     0  Ss      nanslp  0xffffffff83e47a40  cron
  688     1   688     0  Ss      select  0xfffffe0058b40240  sshd
  501     1   501     0  Ss      select  0xfffffe00588cadc0  syslogd
  430     1   430     0  Ss      select  0xfffffe00925380c0  devd
  429     1   429    65  Ss      select  0xfffffe0092537e40  dhclient
  344     1   344     0  Ss      select  0xfffffe0092537f40  dhclient
  341     1   341     0  Ss      select  0xfffffe0058b403c0  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe0056f9e548  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff83f6d260  [syncer]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83f6b860  [bufdaemon]
100082                   D       -       0xffffffff83211f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058c8ece8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83f9f380  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83f93238  [dom0]
100080                   D       launds  0xffffffff83f93244  [laundry: dom0]
100081                   D       umarcl  0xffffffff81eb0e30  [uma]
    7     0     0     0  DL      -       0xffffffff83c03788  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84695530  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84b904a0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83aa56c0  [doneq0]
100045                   D       -       0xffffffff83aa5640  [async]
100076                   D       -       0xffffffff83aa54c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056f03c88  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff83f8ea40  [crypto]
100041                   D       crypto_ 0xfffffe0053f73030  [crypto returns 0]
100042                   D       crypto_ 0xfffffe0053f73080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff83e1d000  [g_event]
100036                   D       -       0xffffffff83e1d020  [g_up]
100037                   D       -       0xffffffff83e1d040  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100015                   I                                   [swi5: fast taskq]
100018                   I                                   [swi6: task queue]
100019                   I                                   [swi6: Giant taskq]
100031                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053df0000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f8f540  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e1da40  [swapper]
100005                   D       -       0xfffffe0008191000  [if_config_tqg_0]
100006                   D       -       0xfffffe0008190e00  [softirq_0]
100007                   D       -       0xfffffe0008190d00  [softirq_1]
100008                   D       -       0xfffffe0008190c00  [if_io_tqg_0]
100009                   D       -       0xfffffe0008190b00  [if_io_tqg_1]
100010                   D       -       0xfffffe0008190a00  [inm_free taskq]
100011                   D       -       0xfffffe0008190900  [linuxkpi_irq_wq]
100012                   D       -       0xfffffe0008190800  [in6m_free taskq]
100013                   D       -       0xfffffe0008190700  [deferred_unmount ta]
100014                   D       -       0xfffffe0008190600  [thread taskq]
100016                   D       -       0xfffffe0008190400  [pci_hp taskq]
100017                   D       -       0xfffffe0008190300  [kqueue_ctx taskq]
100020                   D       -       0xfffffe0008190000  [aiod_kick taskq]
100021                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe000818fc00  [firmware taskq]
100038                   D       -       0xfffffe000818f200  [crypto_0]
100039                   D       -       0xfffffe000818f200  [crypto_1]
100055                   D       -       0xfffffe000818e900  [vtnet0 rxq 0]
100056                   D       -       0xfffffe000818e800  [vtnet0 txq 0]
100057                   D       -       0xfffffe000818e700  [vtnet0 rxq 1]
100058                   D       -       0xfffffe000818e600  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056f4be00  [virtio_balloon]
100066                   D       -       0xffffffff82bce680  [deadlkres]
100070                   D       -       0xfffffe0008191100  [mca taskq]
100071                   D       -       0xfffffe000818eb00  [acpi_task_0]
100072                   D       -       0xfffffe000818eb00  [acpi_task_1]
100073                   D       -       0xfffffe000818eb00  [acpi_task_2]
100075                   D       -       0xfffffe000818ea00  [CAM taskq]
db> show all locks
Process 15817 (syz-executor.0) thread 0xfffffe0092e83740 (243480)
exclusive sleep mutex soaio jobs (soaio jobs) r = 0 (0xffffffff83f676c0) locked @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:565
exclusive sleep mutex so_rcv (so_rcv) r = 0 (0xfffffe0058da1ce0) locked @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:813
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4217         4323K         4245
         sysctloid        35322         2081K        35393
             vtbuf           24         1968K           46
              kobj          328         1312K          489
               pcb          467         1036K       237307
            newblk           10         1027K       115323
          vfscache            3         1025K            3
          inodedep          287          620K       116153
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          145          283K       117052
              vmem            3          274K            6
            acpica         1674          184K        57552
         vnet_data            1          168K            1
         sctp_stro          158          158K        10610
         sctp_atcl          380          143K       118857
           tidhash            3          141K            3
            linker          358          134K          386
           pagedep           10          131K       114745
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
          filedesc           14          105K       229479
               BPF           46           88K        11160
               bus          994           81K         5207
          mtx_pool            2           72K            2
            dirrem          277           70K       116062
          syncache            1           68K            1
            module          513           65K          513
          acpitask            1           64K            1
       ddb_capture            1           64K            1
              umtx          396           50K          396
           kdtrace          225           45K       259256
         sctp_timw          175           44K          175
          freefile          275           35K       116057
              temp           34           33K        51271
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K         1186
               msg            4           30K            4
        gtaskqueue           18           26K           18
         sctp_atky          538           22K       129467
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           97           16K           97
           lltable           46           15K          156
            bus-sc           34           15K         1681
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
      eventhandler          134           12K          134
              rman           88           11K          431
              GEOM           61           11K          490
         CAM queue            5           11K         1528
         in6_multi           65            9K           65
         bmsafemap            2            9K       116119
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K          656
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
              cred           26            7K         6736
            kqueue           65            7K       115776
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          514
         sctp_athm          380            6K       118857
          sctp_map          316            5K        21220
       ufs_dirhash           24            5K           24
               UMA          272            5K          272
           session           35            5K         1378
          pf_ifnet           10            5K           19
            DEVFSP           68            5K        22775
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
             lockf           36            4K         2088
           pwddesc           63            4K       115770
           acpisem           28            4K           28
             selfd           55            4K      1515104
         proc-args           90            4K       117274
             hhook           15            4K           17
          kcovinfo           52            4K           52
          terminal           11            3K           11
            select           19            3K           56
           uidinfo            3            3K           45
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
            Unitno           30            2K           47
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
               msi           12            2K           12
          in_multi            6            2K            8
          freework            5            2K       114735
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
             mkdir            8            1K       229450
          freeblks            4            1K       114734
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           98
      NFSD session            1            1K            1
            diradd            7            1K       116104
        CAM periph            4            1K          271
          sctp_ifn            6            1K           14
             ipsec            3            1K            3
               mld            6            1K            6
            ip6opt            3            1K         8079
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K           18
 encap_export_host           12            1K           12
          procdesc            5            1K           18
         newdirblk            4            1K       114725
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           15            1K        74047
               osd            8            1K        35706
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            CC Mem            4            1K        42171
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K           57
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K        12502
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K       124732
          pmchooks            1            1K            1
          filecaps            5            1K          458
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           49
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        18126
         sctp_iter            0            0K           12
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           12
         sctp_aadr            0            0K            0
         sctp_stri            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K         1144
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
           filemon            0            0K         3301
            mqdata            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
               ixl            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
          xen_intr            0            0K            0
      NFSD V4state            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8521    2655      146586       0     254   45776896        0
         sctp_asoc   2256     158    2132       10610       0     254    5166240        0
       malloc-2048   2048     230    1986      108255       0       8    4538368        0
              mbuf    256    9273    5463      657853       0     254    3772416        0
        malloc-384    384    4403    4627      120326       0      30    3467520        0
      mbuf_cluster   2048    1524       0        1524       0     254    3121152        0
           sctp_ep   1208     222    2318      108247       0     254    3068320        0
       malloc-1024   1024     161    1939       10626       0      16    2150400        0
              pbuf   2624       0     794           0       0       2    2083456        0
        malloc-384    384     413    4017      119000       0      30    1701120        0
          BUF TRIE    144     199   11589        1718       0      62    1697472        0
        sctp_raddr    736     158    2130       10857       0     254    1683968        0
       UMA Slabs 0    112   14848      50       14903       0     126    1668576        0
        malloc-128    128   11644     353      357327       0     126    1535616        0
         vmem btag     56   25294      89       25294       0     254    1421448        0
       malloc-4096   4096     330       6         493       0       2    1376256        0
        malloc-256    256     340    4685      125247       0      62    1286400        0
        malloc-256    256      47    4978      213281       0      62    1286400        0
             tcpcb   1104       4    1018       35695       0     254    1128288        0
        RADIX NODE    144    6720     443     3038584       0      65    1031472        0
            socket    960     106     910      212971       0     254     975360        0
        256 Bucket   2048     311      17        3117       0       8     671744        0
        malloc-128    128     308    4745      116247       0     126     646784        0
         FFS inode   1160     519      27      116577       0       8     633360        0
        malloc-256    256     288    2142      344400       0      62     622080        0
         VM OBJECT    264    2168     172     1665644       0      30     617760        0
       malloc-8192   8192       1      69        3302       0       1     573440        0
      malloc-65536  65536       6       0           6       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
       mbuf_packet    256     486    1038      158257       0     254     390144        0
            THREAD   1808     161      37      143485       0       8     357984        0
        sctp_chunk    152     122    2166        4724       0     254     347776        0
       malloc-4096   4096      68       6      115789       0       2     303104        0
             VNODE    448     560     106      116620       0      30     298368        0
         malloc-64     64    3961     638     1634757       0     254     294336        0
         MAP ENTRY     96    2530     494     3498904       0     126     290304        0
      malloc-65536  65536       1       3         137       0       1     262144        0
       malloc-2048   2048       5     123        1301       0       8     262144        0
         malloc-16     16   14613     887       50374       0     254     248000        0
            DEVCTL   1024       0     220         154       0       0     225280        0
           tcp_log    416       0     513          16       0     254     213408        0
      malloc-16384  16384       7       6      114738       0       1     212992        0
        malloc-256    256     208     602      115700       0      62     207360        0
         tcp_inpcb    424       4     482       35695       0      30     206064        0
      malloc-65536  65536       1       2         437       0       1     196608        0
             unpcb    256      20     745       30616       0     254     195840        0
         malloc-32     32    5564     358        7076       0     254     189504        0
         UMA Zones    768     244       0         244       0      16     187392        0
         64 Bucket    512     276      84       35945       0      30     184320        0
         malloc-64     64     728    2107       15089       0     254     181440        0
     FPU_save_area    832     163      53      198802       0      16     179712        0
        malloc-128    128    1149     246       12409       0     126     178560        0
        malloc-128    128    1240     155       28265       0     126     178560        0
       FFS2 dinode    256     519     171      116576       0      62     176640        0
sctp_stream_msg_out    112     122    1426        6162       0     254     173376        0
        128 Bucket   1024     117      46       26722       0      16     166912        0
         malloc-32     32     517    4649      313132       0     254     165312        0
       malloc-1024   1024     137      23         228       0      16     163840        0
       S VFS Cache    104    1026     495      121799       0     126     158184        0
         32 Bucket    256     395     175       21447       0      62     145920        0
           VMSPACE   2552      38      16      115751       0       4     137808        0
             g_bio    408       0     330       12618       0      30     134640        0
              pipe    744      23     157       41798       0      16     133920        0
      malloc-65536  65536       0       2           8       0       1     131072        0
       malloc-4096   4096      21       9        1070       0       2     122880        0
          ksiginfo    112      71     973       55576       0     126     116928        0
        malloc-256    256     261     174      150621       0      62     111360        0
              PROC   1352      62      19      115769       0       8     109512        0
             ripcb    424       5     238       22230       0      30     103032        0
        malloc-128    128     376     399      118435       0     126      99200        0
         filedesc0   1072      63      28      115770       0       8      97552        0
        malloc-512    512      12     172        8560       0      30      94208        0
     udplite_inpcb    424       0     216        7417       0      30      91584        0
       malloc-8192   8192       9       2          38       0       1      90112        0
       malloc-4096   4096      19       3          33       0       2      90112        0
          UMA Kegs    384     230       3         230       0      30      89472        0
         malloc-16     16     552    4698      158887       0     254      84000        0
       malloc-8192   8192       8       2          10       0       1      81920        0
         malloc-16     16     468    4532      190523       0     254      80000        0
         udp_inpcb    424       6     174        8705       0      30      76320        0
        malloc-384    384     134      46        3675       0      30      69120        0
         malloc-64     64      93     978      153887       0     254      68544        0
         malloc-64     64     566     505        1928       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-16384  16384       3       1           4       0       1      65536        0
        malloc-256    256     196      59        1311       0      62      65280        0
             Files     80     286     514      483751       0     126      64000        0
             AIOCB    552       3     109        8887       0      16      61824        0
              ertt     72       4     780       35695       0     126      56448        0
            da_ccb    544       0      98        3266       0      16      53312        0
         malloc-64     64     105     714      115870       0     254      52416        0
         malloc-64     64      37     782       32940       0     254      52416        0
         malloc-64     64     165     654       22877       0     254      52416        0
          8 Bucket     80     291     359       23431       0     126      52000        0
        malloc-128    128      29     374       11943       0     126      51584        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48      559564       0      16      49152        0
      malloc-16384  16384       2       1          17       0       1      49152        0
       malloc-2048   2048       3      21        2074       0       8      49152        0
       malloc-1024   1024       5      43        5425       0      16      49152        0
            pcpu-8      8    4704    1440       64129       0     254      49152        0
      tcp_rack_pcb    896       0      54        1144       0      16      48384        0
         16 Bucket    144     196     140        2506       0      62      48384        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16          42       0      16      41984        0
        sctp_readq    152       0     260           1       0     254      39520        0
       Mountpoints   2752       2      12           2       0       4      38528        0
   tcp_inpcb ports     32       2    1132        6438       0     254      36288        0
               PWD     32      20    1114      114833       0     254      36288        0
         malloc-64     64     223     344         245       0     254      36288        0
       tcp_bbr_map    128       0     279         666       0     126      35712        0
        malloc-128    128      36     243         154       0     126      35712        0
        malloc-128    128      47     232          47       0     126      35712        0
            itimer    352       0      99        2031       0      30      34848        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      50      40          53       0      30      34560        0
        malloc-256    256      28     107        3658       0      62      34560        0
        malloc-256    256       7     128      117062       0      62      34560        0
         TURNSTILE    136     199      53         199       0      62      34272        0
        SLEEPQUEUE     88     199     185         199       0     126      33792        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-8192   8192       2       2         103       0       1      32768        0
       malloc-4096   4096       2       6      124013       0       2      32768        0
       malloc-2048   2048       3      13        2021       0       8      32768        0
       malloc-2048   2048      10       6         271       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-1024   1024       8      24         205       0      16      32768        0
       malloc-1024   1024       5      27           5       0      16      32768        0
       malloc-1024   1024       3      29         160       0      16      32768        0
       malloc-1024   1024       8      24           8       0      16      32768        0
       malloc-1024   1024       3      29          20       0      16      32768        0
        malloc-512    512       0      64        7590       0      30      32768        0
        malloc-512    512       2      62          51       0      30      32768        0
        malloc-512    512       3      61         198       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
           pcpu-64     64     493      19         493       0     254      32768        0
    ertt_txseginfo     40       0     808      152624       0     254      32320        0
             KNOTE    160      27     173      951808       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
      tcp_rack_map    120       0     264         813       0     126      31680        0
   tcp_log_id_node    120       0     264          96       0     126      31680        0
       tcp_bbr_pcb    832       0      36        1188       0      16      29952        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588         218       0     254      28224        0
             udpcb     32       6     876       16122       0     254      28224        0
   udp_inpcb ports     32       3     879         838       0     254      28224        0
udplite_inpcb ports     32       0     882         545       0     254      28224        0
         malloc-32     32      54     828       21084       0     254      28224        0
          4 Bucket     48       8     580        2330       0     254      28224        0
          2 Bucket     32      94     788       11420       0     254      28224        0
               AIO    208       1     132        4122       0      62      27664        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       2       4           5       0       2      24576        0
           rtentry    176      30     108          34       0      62      24288        0
 tcp_log_id_bucket    176       0     138          20       0      62      24288        0
              PGRP     88      35     241        1378       0     126      24288        0
          rl_entry     40      97     509          97       0     254      24240        0
        malloc-384    384       3      57          62       0      30      23040        0
        malloc-384    384      20      40         360       0      30      23040        0
        malloc-384    384       1      59         625       0      30      23040        0
         hostcache     64       1     314           1       0     254      20160        0
              AIOP     32       4     626           4       0     254      20160        0
         malloc-32     32     107     523         124       0     254      20160        0
         malloc-32     32      26     604        6106       0     254      20160        0
         malloc-32     32      59     571        1451       0     254      20160        0
         malloc-32     32       5     625           9       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-2048   2048       3       5           3       0       8      16384        0
       malloc-2048   2048       3       5           3       0       8      16384        0
        malloc-512    512       0      32        2075       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       0      32         652       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668      158435       0     254      16032        0
              kenv    258      15      45        1053       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
          sackhole     32       0     378           1       0     254      12096        0
         malloc-32     32     121     257       75190       0     254      12096        0
         malloc-16     16      14     736       62154       0     254      12000        0
         malloc-16     16      38     712         164       0     254      12000        0
         malloc-16     16     291     459       30465       0     254      12000        0
         malloc-16     16      10     740          12       0     254      12000        0
        malloc-384    384       2      28           2       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       0       1           4       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
         malloc-16     16       0     500           2       0     254       8000        0
               tfo      4     621     858         878       0     254       5916        0
       UMA Slabs 1    176      12      10          12       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
            pcpu-4      4       1     511           1       0     254       2048        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     56       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
             tcptw     72       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            AIOLIO    272       0       0           0       0      30          0        0
           NCLNODE    608       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/24 10:55 freebsd-src 525d1e204bbc 7c337266 console log report ci-freebsd-i386 panic: Assertion task->ta_pending == NUM failed at /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:LINE
* Struck through repros no longer work on HEAD.