syzbot


panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/kern/uipc_socket.c:LINE

Status: auto-closed as invalid on 2021/04/19 04:35
Reported-by: syzbot+a08a1a2dacdca45480f9@syzkaller.appspotmail.com
First crash: 1402d, last: 1402d

Sample crash report:
panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/kern/uipc_socket.c:4032
cpuid = 1
time = 1611030886
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00037ab160
vpanic() at vpanic+0x1c7/frame 0xfffffe00037ab1c0
panic() at panic+0x43/frame 0xfffffe00037ab220
__mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe00037ab280
soisconnected() at soisconnected+0x11a/frame 0xfffffe00037ab2d0
sctp_process_control() at sctp_process_control+0x65b0/frame 0xfffffe00037ab750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe00037ab8e0
sctp_input_with_port() at sctp_input_with_port+0x308/frame 0xfffffe00037ab9d0
sctp_input() at sctp_input+0x1f/frame 0xfffffe00037ab9f0
ip_input() at ip_input+0x388/frame 0xfffffe00037aba90
swi_net() at swi_net+0x20d/frame 0xfffffe00037abb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe00037abbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe00037abbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00037abbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100022 ]
Stopped at      kdb_enter+0x67: movq    $0,0x145971e(%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         0xffffffff81111d70  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe00037ab140
rbp         0xfffffe00037ab160
rsi                          0
rdi         0xffffffff81111da6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11                          0
r12         0xffffffff82067650  ddb_dbbe
r13                          0
r14         0xffffffff819b2b8e
r15         0xffffffff819b2b8e
rip         0xffffffff81106067  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x145971e(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004468a50:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82512cf0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff82512cf0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff82513940
   (map 0xffffffff82513940)
   (map.pmap 0xffffffff82513a00)
   (pmap 0xffffffff82513a60)
 threads: 23
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100020                   I                                   [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 1                       [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
22422   776   776     0  R       (threaded)                  syz-executor.0
121797                   RunQ                                syz-executor.0
133901                   RunQ                                syz-executor.0
133903                   S       uwait   0xfffff80017ca2080  syz-executor.0
22421 19126 19126     0  R       (threaded)                  syz-executor.3
122544                   RunQ                                syz-executor.3
133900                   S       sbwait  0xfffff8000c0f668c  syz-executor.3
133902                   S       uwait   0xfffff800173a1480  syz-executor.3
22417 18290 18290     0  R       (threaded)                  syz-executor.1
103391                   RunQ                                syz-executor.1
133894                   S       kqread  0xfffff80004f27400  syz-executor.1
133895                   S       uwait   0xfffff80017441d00  syz-executor.1
20327     1 20327    65  Ss      select  0xfffff80004ffb0c0  dhclient
19697     1 19697     0  Ss      select  0xfffff80004ffb2c0  dhclient
19694     1 19694     0  Ss      select  0xfffff80004ffb340  dhclient
19683     1 19683    65  Ss      select  0xfffff80004ffb1c0  dhclient
19152   774 19152     0  Ds      biowr   0xfffffe0003991340  syz-executor.2
19148     1 19148     0  Ss      select  0xfffff8001725f9c0  dhclient
19143     1 19143     0  Ss      select  0xfffff80004ffb4c0  dhclient
19126   774 19126     0  Rs                                  syz-executor.3
18904     1 18904    65  Ss      select  0xfffff80004ffb040  dhclient
18311     1 18311     0  Ss      select  0xfffff8001725fdc0  dhclient
18308     1 18308     0  Ss      select  0xfffff80004ffb540  dhclient
18290   774 18290     0  Rs                                  syz-executor.1
 1951     1  1951    65  Ss      select  0xfffff80004ffb940  dhclient
 1124     1  1124     0  Ss      select  0xfffff80004ffb8c0  dhclient
 1121     1  1121     0  Ss      select  0xfffff80004f40240  dhclient
  776   774   776     0  Rs                                  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100078                   S       uwait   0xfffff800048e9980  syz-fuzzer
100110                   S       uwait   0xfffff80017441e00  syz-fuzzer
100111                   S       uwait   0xfffff80004c04500  syz-fuzzer
100112                   S       uwait   0xfffff80004c04600  syz-fuzzer
100113                   S       uwait   0xfffff80004c04700  syz-fuzzer
100114                   S       uwait   0xfffff80004c04800  syz-fuzzer
100115                   S       uwait   0xfffff80004c04900  syz-fuzzer
100116                   S       uwait   0xfffff80004c04a00  syz-fuzzer
100118                   S       uwait   0xfffff80004c04b00  syz-fuzzer
111872                   S       kqread  0xfffff80004ffe000  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffff800174745d8  csh
  770   694   770     0  Ss      select  0xfffff80004ffb740  sshd
  754     1   754     0  Ss+     ttyin   0xfffff800048dacb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004c180b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004c184b0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004c188b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004c18cb0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004ba60b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004ba64b0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004ba68b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004ba6cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff82532f21  cron
  694     1   694     0  Ss      select  0xfffff80004ffb9c0  sshd
  507     1   507     0  Ss      select  0xfffff8001725fe40  syslogd
  436     1   436     0  Ss      select  0xfffff80004ffbbc0  devd
  435     1   435    65  Ss      select  0xfffff80004ffba40  dhclient
  350     1   350     0  Ss      select  0xfffff80004ffbac0  dhclient
  347     1   347     0  Ss      select  0xfffff80004c06040  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004dbe528  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff826223b8  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff826214a0  [bufdaemon]
100075                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100089                   D       sdflush 0xfffff800048d34e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82648988  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff8263cdf8  [dom0]
100076                   D       launds  0xffffffff8263ce04  [laundry: dom0]
100077                   D       umarcl  0xffffffff8151ef60  [uma]
   18     0     0     0  DL      -       0xffffffff823672f8  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82d25818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82b5d430  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod1]
    6     0     0     0  RL      (threaded)                  [cam]
100034                   RunQ                                [doneq0]
100067                   D       -       0xffffffff8223ef10  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004668888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff8000445bb90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000445bb30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8263a310  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82512760  [g_event]
100026                   D       -       0xffffffff82512768  [g_up]
100027                   D       -       0xffffffff82512770  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004466900  [thr_0]
100019                   D       -       0xfffff80004466980  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100020                   I                                   [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 1                       [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004489528  [init]
   10     0     0     0  DL      audit_w 0xffffffff8263a830  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82512cf0  [swapper]
100005                   D       -       0xfffff8000446be00  [if_config_tqg_0]
100006                   D       -       0xfffff8000446bd00  [softirq_0]
100007                   D       -       0xfffff8000446bc00  [softirq_1]
100008                   D       -       0xfffff8000446bb00  [if_io_tqg_0]
100009                   D       -       0xfffff8000446ba00  [if_io_tqg_1]
100011                   Run     CPU 0                       [thread taskq]
100012                   D       -       0xfffff8000446b700  [aiod_kick taskq]
100014                   D       -       0xfffff8000446b500  [kqueue_ctx taskq]
100015                   D       -       0xfffff8000446b400  [in6m_free taskq]
100017                   D       -       0xfffff8000446b200  [inm_free taskq]
100024                   D       -       0xfffff8000446b100  [firmware taskq]
100028                   D       -       0xfffff8000446b000  [crypto_0]
100029                   D       -       0xfffff8000446b000  [crypto_1]
100044                   D       -       0xfffff80004651d00  [vtnet0 rxq 0]
100045                   D       -       0xfffff80004651c00  [vtnet0 txq 0]
100046                   D       -       0xfffff80004651b00  [vtnet0 rxq 1]
100047                   D       -       0xfffff80004651a00  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff8000465cb00  [virtio_balloon]
100053                   D       -       0xfffff80004651900  [mca taskq]
100058                   D       -       0xffffffff81d5a4f0  [deadlkres]
100062                   D       -       0xfffff80004babe00  [acpi_task_0]
100063                   D       -       0xfffff80004babe00  [acpi_task_1]
100064                   D       -       0xfffff80004babe00  [acpi_task_2]
100066                   D       -       0xfffff80004651e00  [CAM taskq]
db> show all locks
Process 22422 (syz-executor.0) thread 0xfffffe0094ead000 (133901)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8000c17e488) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7005
Process 22421 (syz-executor.3) thread 0xfffffe0094ea5700 (133900)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff8000c0f6630) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:467
Process 19152 (syz-executor.2) thread 0xfffffe0094e0b800 (112866)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe00039913c0) locked @ /syzkaller/managers/i386/kernel/sys/ufs/ffs/ffs_vnops.c:310
exclusive lockmgr ufs (ufs) r = 0 (0xfffff8006505ddc8) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_cache.c:4183
Process 12 (intr) thread 0xfffffe0004126c00 (100022)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094f85a90) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_input.c:2378
Process 0 (kernel) thread 0xfffffe0004299a00 (100011)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff8257cb40) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff82002900) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4339K         4244
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30650         1798K        30716
              kobj          328         1312K          489
            newblk            4         1025K        39739
          vfscache            3         1025K            3
               pcb          332          858K        40174
          inodedep            8          515K        34489
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          144          279K        22559
            acpica         1674          184K        58593
         vnet_data            1          168K            1
         sctp_stro          143          143K         8968
           tidhash            3          141K            3
           pagedep            8          130K        46237
        tfo_ccache            1          128K            1
          filedesc           16          121K        42352
         sctp_atcl          294          111K        28914
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          278          100K          344
               BPF           46           88K          126
               bus          982           80K         3359
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          502           63K          502
              umtx          342           43K          342
           kdtrace          214           42K        56327
              temp           35           33K         7340
         hostcache            1           32K            1
               shm            1           32K           35
            DEVFS3          124           31K          134
               msg            4           30K            4
            ifaddr           97           30K          115
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
         sctp_atky          439           19K        39159
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           lltable           50           16K          817
           ithread           99           16K           99
         sctp_timw           62           16K           62
            bus-sc           32           14K         1594
       ether_multi          167           14K          509
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           93           12K           93
      eventhandler          129           11K          129
           pf_rule           10           10K          415
         in6_multi           83           10K          228
              GEOM           60           10K          491
              rman           82           10K          423
              ksem            4           10K          487
              cred           35            9K          888
         bmsafemap            2            9K        24327
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K           43
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
           pf_osfp           59            7K           59
            kqueue           65            7K        22663
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K         1021
          pf_ifnet           14            6K          426
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
          routetbl           28            5K         1182
            DEVFSP           78            5K          300
       ufs_dirhash           24            5K           24
         sctp_athm          294            5K        29775
         sctp_stri            9            5K         2866
          sctp_map          286            5K        17564
           session           35            5K           97
               UMA          261            5K          261
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
          kcovinfo           64            4K          255
             evdev            4            4K            4
            ip6ndp           20            4K           47
           pwddesc           62            4K        22423
             lockf           35            4K         6040
             selfd           55            4K       293818
          sctp_ifa           27            4K           47
             hhook           13            4K           13
         proc-args           52            3K         1110
          terminal           11            3K           11
           acpisem           22            3K           22
            select           19            3K         1149
           uidinfo            4            3K          104
          pf_table            1            2K          284
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
           CAM CCB            1            2K        92761
         ipsec-saq            2            2K            2
            Unitno           28            2K           90
           CAM XPT           22            2K          543
          in_multi            6            2K           36
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
       inpcbpolicy           34            2K         8436
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          764
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           47
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           38
             mkdir            4            1K        42556
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
         newdirblk            3            1K        21278
            diradd            3            1K        23149
    chacha20random            1            1K            1
               osd            3            1K           10
            dirrem            1            1K        23054
            vnodes            1            1K          122
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
        aesni_data            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
          freework            1            1K        29173
          freefile            1            1K        22967
        ip_msource            2            1K           17
            soname            5            1K        23070
          pmchooks            1            1K            1
          nexusdev            6            1K            6
          filecaps            5            1K          230
          sctp_vrf            1            1K            1
           entropy            2            1K           74
              vnet            1            1K            1
               iov            1            1K        31846
               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
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        13128
         sctp_iter            0            0K          134
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           90
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           49
         sctp_aadr            0            0K          483
           pf_altq            0            0K            0
           pf_temp            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9728       0        9728       0     254   19922944        0
           tcp_log    416   35000   10000      355049       0     254   18720000        0
   mbuf_jumbo_page   4096       3    4090       38834       0     254   16764928        0
              mbuf    256     870   18780     5181960       0     254    5030400        0
        RADIX NODE    144    9087   10202     1008281       0      64    2777616        0
              pbuf   2632       0     957           0       0       2    2518824        0
       mbuf_packet    256    8345    1255      841678       0     254    2457600        0
          BUF TRIE    144     225   13243       80721       0      62    1939392        0
        malloc-384    384    4142      38        4457       0      30    1605120        0
         sctp_asoc   2288     143     462        8782       0     254    1384240        0
       malloc-4096   4096     331       6        1108       0       2    1380352        0
        malloc-128    128   10601      63       13285       0     126    1364992        0
       UMA Slabs 0    112   10293       0       10293       0     126    1152816        0
           sctp_ep   1280     142     518       17565       0     254     844800        0
       tcp_bbr_map    128       6    6473      497601       0     126     829312        0
        sctp_chunk    152     147    4533       50386       0     254     711360        0
        256 Bucket   2048     307      33       20653       0       8     696320        0
         FFS inode   1128     572      30       23693       0       8     679056        0
        sctp_raddr    736     194     565       16007       0     254     558624        0
      malloc-65536  65536       3       4           8       0       1     458752        0
       malloc-2048   2048     143      79       17566       0       8     454656        0
            socket    944      60     392       31141       0     254     426688        0
       malloc-2048   2048       3     191       92808       0       8     397312        0
         VM OBJECT    264    1407      93      333439       0      30     396000        0
             VNODE    488     609      95       23732       0      30     343552        0
      malloc-65536  65536       0       5         129       0       1     327680        0
            THREAD   1792     151      20       33903       0       8     306432        0
       malloc-4096   4096      63       7       22427       0       2     286720        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-65536  65536       0       4        1040       0       1     262144        0
      malloc-16384  16384      11       5       21172       0       1     262144        0
             g_bio    408       4     626      367887       0      30     257040        0
       malloc-1024   1024     150      82        8976       0      16     237568        0
      malloc-32768  32768       1       6        8089       0       1     229376        0
            DEVCTL   1024       0     212         151       0       0     217088        0
         malloc-64     64    3244      32        3804       0     254     209664        0
         malloc-16     16   12722     278       13158       0     254     208000        0
        malloc-384    384     351     169       63534       0      30     199680        0
         MAP ENTRY     96    1641     333     1304422       0     126     189504        0
        128 Bucket   1024     148      31       13888       0      16     183296        0
       FFS2 dinode    256     572     133       23693       0      62     180480        0
         UMA Zones    768     233       1         233       0      16     179712        0
        malloc-256    256      26     649       41885       0      62     172800        0
      malloc-32768  32768       0       5         134       0       1     163840        0
        malloc-128    128    1216      55       27996       0     126     162688        0
         malloc-32     32    4790     250        6021       0     254     161280        0
       S VFS Cache    104    1075     368       24569       0     126     150072        0
         vmem btag     56    2404     104        2405       0     254     140448        0
       malloc-4096   4096      29       4          89       0       2     135168        0
       malloc-1024   1024     121      11         157       0      16     135168        0
      malloc-65536  65536       0       2         202       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
           VMSPACE   2544      39      12       22417       0       4     129744        0
            clpbuf   2632       0      48         152       0      16     126336        0
          ksiginfo    112      66     978        1550       0     126     116928        0
              PROC   1320      61      20       22422       0       8     106920        0
             tcpcb   1048      25      74        6097       0     254     103752        0
      malloc-32768  32768       0       3          60       0       1      98304        0
      malloc-16384  16384       1       5         171       0       1      98304        0
         tcp_inpcb    488      27     173        6097       0     254      97600        0
        malloc-256    256     247     128      104810       0      62      96000        0
         filedesc0   1072      62      22       22423       0       8      90048        0
          UMA Kegs    384     219       4         219       0      30      85632        0
        malloc-256    256     148     182       41449       0      62      84480        0
        malloc-256    256     164     151       53491       0      62      80640        0
         64 Bucket    512      85      67       17359       0      30      77824        0
         malloc-64     64     642     555       45806       0     254      76608        0
        malloc-128    128     332     257       43728       0     126      75392        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
        malloc-128    128     190     275       45359       0     126      59520        0
        malloc-256    256      65     160       70877       0      62      57600        0
        malloc-256    256      92     133        2420       0      62      57600        0
         32 Bucket    256      85     140       11550       0      62      57600        0
       malloc-8192   8192       4       3         102       0       1      57344        0
       malloc-4096   4096      12       2          34       0       2      57344        0
        malloc-128    128     366      37         394       0     126      51584        0
       malloc-8192   8192       3       3          31       0       1      49152        0
       malloc-2048   2048       5      19         569       0       8      49152        0
         malloc-64     64     217     539       12797       0     254      48384        0
        malloc-384    384     103      17         167       0      30      46080        0
            pcpu-8      8    4864     768       15956       0     254      45056        0
              pipe    744      23      37        2439       0      16      44640        0
         malloc-64     64     139     554      316316       0     254      44352        0
         malloc-64     64     573     120        1852       0     254      44352        0
        malloc-128    128      74     267       27125       0     126      43648        0
             NAMEI   1024       1      39      117601       0      16      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-2048   2048       3      17         733       0       8      40960        0
        malloc-512    512      19      61        2886       0      30      40960        0
             Files     80     234     266       72950       0     126      40000        0
           DIRHASH   1024      34       2          34       0      16      36864        0
       malloc-2048   2048      14       4          21       0       8      36864        0
        malloc-384    384      27      63         828       0      30      34560        0
        malloc-384    384      55      35         621       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           8       0       1      32768        0
       malloc-8192   8192       2       2          14       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       3       5       21811       0       2      32768        0
       malloc-2048   2048       5      11         427       0       8      32768        0
           pcpu-64     64     456      56         456       0     254      32768        0
         malloc-64     64     330     174       23951       0     254      32256        0
         malloc-32     32     362     646       27323       0     254      32256        0
         16 Bucket    144      65     159        2732       0      62      32256        0
      tcp_rack_pcb    704      19      25         478       0      16      30976        0
        malloc-256    256     102      18        1663       0      62      30720        0
       tcp_bbr_pcb    832       2      34        1329       0      16      29952        0
          4 Bucket     48       7     581         661       0     254      28224        0
             KNOTE    160      29     146      235989       0      62      28000        0
          8 Bucket     80      81     269        8671       0     126      28000        0
     udplite_inpcb    488       0      56        1116       0     254      27328        0
             unpcb    256      22      83        4979       0     254      26880        0
         TURNSTILE    136     172      17         172       0      62      25704        0
       malloc-1024   1024       2      22         305       0      16      24576        0
       malloc-1024   1024      16       8          25       0      16      24576        0
        malloc-512    512       3      45         929       0      30      24576        0
        sctp_laddr     48     100     404        5142       0     254      24192        0
               PWD     32      21     735       21252       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128      78     108        3248       0     126      23808        0
            itimer    352       0      66         390       0      30      23232        0
           ttyoutq    256      72      18         160       0      62      23040        0
       malloc-1024   1024      11       9        2632       0      16      20480        0
sctp_stream_msg_out    112      73     107        2513       0     254      20160        0
         malloc-32     32      42     588       31816       0     254      20160        0
          2 Bucket     32      77     553        5649       0     254      20160        0
         malloc-16     16     494     756       19053       0     254      20000        0
         malloc-16     16     553     697       30274       0     254      20000        0
        malloc-128    128      94      61         664       0     126      19840        0
        sctp_readq    152       0     130        1228       0     254      19760        0
        SLEEPQUEUE     88     172      52         172       0     126      19712        0
         udp_inpcb    488       2      38         658       0     254      19520        0
       Mountpoints   2752       2       5           2       0       4      19264        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-1024   1024      13       3          13       0      16      16384        0
         malloc-64     64      27     225        3354       0     254      16128        0
         malloc-32     32     317     187        2184       0     254      16128        0
      vtnet_tx_hdr     24       0     668     1486494       0     254      16032        0
             ripcb    488       5      27         565       0     254      15616        0
        malloc-256    256      34      26         422       0      62      15360        0
       malloc-4096   4096       3       0           3       0       2      12288        0
       malloc-2048   2048       3       3         766       0       8      12288        0
        malloc-512    512      13      11          38       0      30      12288        0
           rtentry    176      33      36          88       0      62      12144        0
      tcp_rack_map    120      38      61         586       0     126      11880        0
     routing nhops    256      27      18          88       0      62      11520        0
       malloc-4096   4096       0       2           7       0       2       8192        0
       malloc-2048   2048       1       3          13       0       8       8192        0
       malloc-1024   1024       8       0           8       0      16       8192        0
       malloc-1024   1024       1       7          43       0      16       8192        0
        malloc-512    512       2      14         555       0      30       8192        0
        malloc-512    512       0      16          55       0      30       8192        0
        malloc-512    512       0      16           9       0      30       8192        0
           pf tags    104       2      76          20       0     126       8112        0
             tcptw     88       0      92          15       0     254       8096        0
              PGRP     88      35      57         151       0     126       8096        0
          rl_entry     40      88     114       26099       0     254       8080        0
   sctp_asconf_ack     48       0     168          36       0     254       8064        0
         hostcache     96       2      82           2       0     254       8064        0
          syncache    168       0      48          24       0     254       8064        0
             udpcb     32       2     250        1774       0     254       8064        0
         malloc-64     64      38      88        4661       0     254       8064        0
         malloc-32     32     114     138        1872       0     254       8064        0
         malloc-32     32      29     223         403       0     254       8064        0
         malloc-32     32     105     147       11407       0     254       8064        0
         malloc-16     16      21     479        9886       0     254       8000        0
         malloc-16     16      35     465       15786       0     254       8000        0
         malloc-16     16      32     468         291       0     254       8000        0
         malloc-16     16       4     496           6       0     254       8000        0
         malloc-16     16      26     474       26591       0     254       8000        0
              kenv    258       3      27        1078       0      30       7740        0
       L VFS Cache    320       0      24          11       0      30       7680        0
        malloc-384    384       0      20         314       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55         110       0     126       6448        0
         domainset     40       0     126          81       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           1       0      62       4048        0
               ipq     56       0      72           7       0     254       4032        0
         malloc-32     32       4     122         683       0     254       4032        0
      tcp_log_node    120       0      33           2       0     126       3960        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
               tfo      4       0     493          11       0     254       1972        0
           SMR CPU     32       2      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
       sctp_asconf     40       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      62          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    296       0       0           0       0       0          0        0
          pf mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
          sackhole     32       0       0           0       0     254          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          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
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      64          0        0
            mdpbuf   2632       0       0           0       0       3          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       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-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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       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
2021/01/19 04:35 freebsd-src effad35ed1e5 63631df1 console log report ci-freebsd-i386 panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/kern/uipc_socket.c:LINE
* Struck through repros no longer work on HEAD.