syzbot


Fatal trap 12: page fault in sctp_ss_default_add

Status: auto-closed as invalid on 2021/04/10 23:38
Reported-by: syzbot+c335a0feda5b8ee16fb0@syzkaller.appspotmail.com
First crash: 1194d, last: 1194d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap 12: page fault in sctp_ss_default_add (2) 1 1018d 1018d 2/2 fixed on 2021/09/20 20:59

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0xfffffe0094f03010
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff82c4d9fb
stack pointer	        = 0x0:0xfffffe0051f84550
frame pointer	        = 0x0:0xfffffe0051f84580
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 2818 (syz-executor.3)
trap number		= 12
panic: page fault
cpuid = 0
time = 33
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0051f841b0
vpanic() at vpanic+0x1c7/frame 0xfffffe0051f84210
panic() at panic+0x43/frame 0xfffffe0051f84270
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe0051f842f0
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe0051f84360
trap() at trap+0x41d/frame 0xfffffe0051f84480
calltrap() at calltrap+0x8/frame 0xfffffe0051f84480
--- trap 0xc, rip = 0xffffffff82c4d9fb, rsp = 0xfffffe0051f84550, rbp = 0xfffffe0051f84580 ---
sctp_ss_default_add() at sctp_ss_default_add+0xab/frame 0xfffffe0051f84580
sctp_lower_sosend() at sctp_lower_sosend+0x556a/frame 0xfffffe0051f84770
sctp_sosend() at sctp_sosend+0x4fc/frame 0xfffffe0051f848a0
sosend() at sosend+0xc6/frame 0xfffffe0051f84910
kern_sendit() at kern_sendit+0x35b/frame 0xfffffe0051f849c0
freebsd32_sendmsg() at freebsd32_sendmsg+0x261/frame 0xfffffe0051f84ab0
ia32_syscall() at ia32_syscall+0x237/frame 0xfffffe0051f84bf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbfdbf78
KDB: enter: panic
[ thread pid 2818 tid 102145 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1459c0e(%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         0xfffffe009b600000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe0051f84190
rbp         0xfffffe0051f841b0
rsi                    0x40001
rdi         0xffffffff811108b6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0094e93f10
r12         0xffffffff82067650  ddb_dbbe
r13                          0
r14         0xffffffff819a3b21
r15         0xffffffff819a3b21
rip         0xffffffff81104b77  kdb_enter+0x67
rflags                0x200086  kernload+0x86
kdb_enter+0x67: movq    $0,0x1459c0e(%rip)
db> show proc
Process 2818 (syz-executor.3) at 0xfffff80017be6000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 827 at 0xfffff8001730d000
 ABI: FreeBSD ELF32
 flag: 0x10080480  flag2: 0
 arguments: /root/syz-executor.3
 reaper: 0xfffff8000445a528 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094ec83e0
   (map 0xfffffe0094ec83e0)
   (map.pmap 0xfffffe0094ec84a0)
   (pmap 0xfffffe0094ec8500)
 threads: 2
100130                   s                                   syz-executor.3
102145                   Run     CPU 0                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2825   822   822     0  R       (threaded)                  syz-executor.2
100122                   Run     CPU 1                       syz-executor.2
102152                   D       getbuf  0xfffffe0003851b7c  syz-executor.2
 2818   827   827     0  T       (threaded)                  syz-executor.3
100130                   s                                   syz-executor.3
102145                   Run     CPU 0                       syz-executor.3
 1899  1892  1899     0  Ss      select  0xfffff80017472b40  dhclient
 1895     1  1895     0  Ss      select  0xfffff80017472bc0  dhclient
 1892  1885   436    65  S       select  0xfffff80017472a40  dhclient
 1885   436   436     0  S       wait    0xfffff8001730da50  sh
  827   776   827     0  Rs                                  syz-executor.3
  822   776   822     0  Rs                                  syz-executor.2
  780   776   780     0  Rs                                  syz-executor.1
  779   776   779     0  Ds      biowr   0xfffffe0003855780  syz-executor.0
  776   774   774     0  R       (threaded)                  syz-fuzzer
100110                   S       uwait   0xfffff800173ba880  syz-fuzzer
100111                   RunQ                                syz-fuzzer
100112                   S       uwait   0xfffff80004b8e780  syz-fuzzer
100113                   S       uwait   0xfffff80004b8e880  syz-fuzzer
100114                   S       uwait   0xfffff800173ba300  syz-fuzzer
100115                   S       uwait   0xfffff800173ba400  syz-fuzzer
100116                   S       kqread  0xfffff80004bc2b00  syz-fuzzer
100117                   S       uwait   0xfffff800173ba600  syz-fuzzer
  774   772   774     0  Ss      pause   0xfffff800173755d8  csh
  772   694   772     0  Ss      select  0xfffff80017472ec0  sshd
  754     1   754     0  Ss+     ttyin   0xfffff8000486d8b0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b9e8b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004ba10b0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004ba18b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004ba60b0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004ba68b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004bac0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004bac8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b780b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff82531ee0  cron
  694     1   694     0  Ss      select  0xfffff80004e00440  sshd
  507     1   507     0  Ds      bo_wwai 0xfffff80004f89af8  syslogd
  436     1   436     0  Ss      wait    0xfffff80004f1ea50  devd
  435     1   435    65  Ss      select  0xfffff80004e00140  dhclient
  350     1   350     0  Ss      select  0xfffff80016b871c0  dhclient
  347     1   347     0  Ss      select  0xfffff80004e003c0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004d48528  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff826213b8  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff826204a0  [bufdaemon]
100077                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100087                   D       sdflush 0xfffff800048a40e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82647988  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff8263bdf8  [dom0]
100075                   D       launds  0xffffffff8263be04  [laundry: dom0]
100076                   D       umarcl  0xffffffff8151dcd0  [uma]
   18     0     0     0  DL      -       0xffffffff82366288  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82c99818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82e70430  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261da5c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261da5c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261da5c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261da5c  [soaiod1]
    6     0     0     0  RL      (threaded)                  [cam]
100034                   RunQ                                [doneq0]
100067                   D       -       0xffffffff8223de90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff8000466d088  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004579d90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004579d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82639310  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82511720  [g_event]
100026                   D       -       0xffffffff82511728  [g_up]
100027                   D       -       0xffffffff82511730  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004086900  [thr_0]
100019                   D       -       0xfffff80004086980  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100020                   I                                   [swi3: vm]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100023                   I                                   [swi1: netisr 0]
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    0xfffff8000445a528  [init]
   10     0     0     0  DL      audit_w 0xffffffff82639830  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82511cb0  [swapper]
100005                   D       -       0xfffff800044aae00  [if_io_tqg_0]
100006                   D       -       0xfffff800044aad00  [if_io_tqg_1]
100007                   D       -       0xfffff800044aac00  [if_config_tqg_0]
100008                   D       -       0xfffff800044aab00  [softirq_0]
100009                   D       -       0xfffff800044aaa00  [softirq_1]
100010                   D       -       0xfffff800044aa900  [inm_free taskq]
100012                   D       -       0xfffff800044aa700  [thread taskq]
100013                   D       -       0xfffff800044aa600  [aiod_kick taskq]
100015                   D       -       0xfffff800044aa400  [kqueue_ctx taskq]
100016                   D       -       0xfffff800044aa300  [in6m_free taskq]
100024                   D       -       0xfffff800044aa100  [firmware taskq]
100028                   D       -       0xfffff80004579e00  [crypto_0]
100029                   D       -       0xfffff80004579e00  [crypto_1]
100044                   D       -       0xfffff80004579b00  [vtnet0 rxq 0]
100045                   D       -       0xfffff80004579a00  [vtnet0 txq 0]
100046                   D       -       0xfffff80004579900  [vtnet0 rxq 1]
100047                   D       -       0xfffff80004579800  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff800046a8400  [virtio_balloon]
100053                   D       -       0xfffff80004579700  [mca taskq]
100058                   D       -       0xffffffff81d4b151  [deadlkres]
100062                   D       -       0xfffff80004bc2c00  [acpi_task_0]
100063                   D       -       0xfffff80004bc2c00  [acpi_task_1]
100064                   D       -       0xfffff80004bc2c00  [acpi_task_2]
100066                   D       -       0xfffff80004579c00  [CAM taskq]
db> show all locks
Process 2825 (syz-executor.2) thread 0xfffffe0094e8b700 (102152)
exclusive lockmgr ufs (ufs) r = 0 (0xfffff80017cfd440) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_cache.c:4183
Process 2818 (syz-executor.3) thread 0xfffffe0094e93a00 (102145)
exclusive sleep mutex sctp-send-tcb (tcbs) r = 0 (0xfffffe0094efcab0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_output.c:13092
Process 779 (syz-executor.0) thread 0xfffffe0094e44500 (100118)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003855800) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:3895
exclusive lockmgr ufs (ufs) r = 0 (0xfffff800174ca258) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_cache.c:4183
Process 507 (syslogd) thread 0xfffffe0088776800 (100083)
exclusive lockmgr ufs (ufs) r = 0 (0xfffff80004f899f8) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_syscalls.c:3506
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4339K         4244
         sctp_stro           46         3381K          203
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30617         1796K        30682
              kobj          327         1308K          487
            newblk           13         1027K         3015
          vfscache            3         1025K            3
               pcb          125          652K         1455
          inodedep           16          518K         2991
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          126          240K         2899
            acpica         1674          184K        58593
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           12          131K         4372
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
          filedesc           14          105K         3663
            linker          277          100K          310
               bus          977           79K         3344
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          501           63K          501
              umtx          324           41K          324
           kdtrace          190           38K         4979
         sctp_atcl           97           37K          810
               BPF           22           36K           22
              temp           35           33K         2190
         hostcache            1           32K            1
               shm            1           32K           27
            DEVFS3          124           31K          134
               msg            4           30K            4
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           71           21K           72
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
           lltable           45           14K           47
            bus-sc           31           14K         1593
       ether_multi          157           13K          177
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          129           11K          129
              GEOM           60           10K          489
              rman           82           10K          423
         in6_multi           71            9K           71
         bmsafemap            4            9K         2355
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         sctp_timw           30            8K           30
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
            sglist            5            7K            5
           CAM CCB            3            6K         8077
           CAM DEV            3            6K          510
         sctp_atky          143            6K          973
            kqueue           55            6K         2879
            plimit           21            6K          366
              cred           21            6K          233
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
       ufs_dirhash           24            5K           24
            DEVFSP           72            5K           76
          pf_ifnet           10            5K           19
               UMA          261            5K          261
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
          kcovinfo           64            4K           68
             evdev            4            4K            4
          routetbl           24            4K           25
           pwddesc           53            4K         2826
             hhook           13            4K           13
           session           25            4K           39
          terminal           11            3K           11
           acpisem           22            3K           22
         proc-args           44            3K          634
           uidinfo            3            3K            8
             lockf           20            3K           43
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           17
             selfd           26            2K        55506
           CAM XPT           22            2K          543
            Unitno           26            2K           46
         sctp_athm           97            2K          810
          in_multi            6            2K           10
          sctp_map           92            2K          326
       ipsecpolicy            2            2K            2
            select           10            2K           54
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
          indirdep            4            1K          385
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           26
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           17
            diradd            6            1K         2199
               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
             mkdir            5            1K         3740
 encap_export_host           12            1K           12
            crypto            3            1K            3
          savedino            2            1K         4211
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
          freework            2            1K         2072
         newdirblk            3            1K         1870
    chacha20random            1            1K            1
               osd            3            1K           10
       inpcbpolicy            9            1K          777
            dirrem            1            1K         2165
          freefile            2            1K         2161
          freeblks            1            1K         2059
            vnodes            1            1K            1
              ktls            1            1K            1
          procdesc            2            1K           12
      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
     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
            soname            5            1K         3911
          pmchooks            1            1K            1
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           40
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           87
               iov            1            1K        16115
          p1003.1b            1            1K            1
          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
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          359
         sctp_iter            0            0K           11
         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           11
         sctp_aadr            0            0K            0
         sctp_stri            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
            pvscsi            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
               USB            0            0K            0
          xen_intr            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
            twsbuf            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
     vm_fictitious            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9668       2        9668       0     254   19804160        0
              pbuf   2632       0     989           0       0       2    2603048        0
       mbuf_packet    256    8196    1344     1515737       0     254    2442240        0
        RADIX NODE    144   13829     252      116019       0      63    2027664        0
          BUF TRIE    144     179   13289        6769       0      62    1939392        0
        malloc-384    384    4131       9        4131       0      30    1589760        0
       malloc-4096   4096     337       0        1083       0       2    1380352        0
        malloc-128    128   10154      45       13506       0     126    1305472        0
       UMA Slabs 0    112    5751       6        5751       0     126     644784        0
         FFS inode   1128     510      29        2673       0       8     607992        0
      malloc-65536  65536       7       0           7       0       1     458752        0
         VM OBJECT    264    1130     130       41547       0      30     332640        0
             VNODE    488     546      86        2711       0      30     308416        0
       tcp_bbr_map    128       0    2294       10715       0     126     293632        0
            THREAD   1792     136      26        2152       0       8     290304        0
        256 Bucket   2048     125       5        8238       0       8     266240        0
       malloc-4096   4096      54       9        2827       0       2     258048        0
              mbuf    256     468     522      775071       0     254     253440        0
   mbuf_jumbo_page   4096       1      55         255       0     254     229376        0
         malloc-64     64    3230     298        6323       0     254     225792        0
            DEVCTL   1024      12     200         128       0       0     217088        0
      malloc-16384  16384       7       6        1830       0       1     212992        0
         malloc-16     16   12709     291       13167       0     254     208000        0
         UMA Zones    768     233       1         233       0      16     179712        0
       malloc-2048   2048      60      22        9501       0       8     167936        0
        malloc-128    128    1288      14       27928       0     126     166656        0
         malloc-32     32    4833     333        7155       0     254     165312        0
       FFS2 dinode    256     510     135        2672       0      62     165120        0
      malloc-32768  32768       0       5          20       0       1     163840        0
         MAP ENTRY     96    1259     421      145597       0     126     161280        0
       malloc-1024   1024     134       2         155       0      16     139264        0
        malloc-256    256      15     525        7226       0      62     138240        0
       S VFS Cache    104    1009     317        3321       0     126     137904        0
         sctp_asoc   2288      46      14         163       0     254     137280        0
      malloc-65536  65536       0       2         101       0       1     131072        0
      malloc-65536  65536       0       2         124       0       1     131072        0
         vmem btag     56    2111      37        2111       0     254     120288        0
          ksiginfo    112      57     987        1275       0     126     116928        0
           VMSPACE   2544      30      15        2809       0       4     114480        0
        malloc-256    256     154     221        2385       0      62      96000        0
              PROC   1320      52      20        2825       0       8      95040        0
        128 Bucket   1024      71      20        1508       0      16      93184        0
        malloc-128    128     629      53        1458       0     126      87296        0
          UMA Kegs    384     219       4         219       0      30      85632        0
        malloc-128    128     349     302        6642       0     126      83328        0
         filedesc0   1072      53      24        2826       0       8      82544        0
           sctp_ep   1280      51      12         647       0     254      80640        0
        malloc-128    128     340     280        4140       0     126      79360        0
            socket    944      29      55        3445       0     254      79296        0
        malloc-256    256     239      61        4421       0      62      76800        0
        malloc-384    384     170      20         917       0      30      72960        0
       malloc-1024   1024      52      16         176       0      16      69632        0
         64 Bucket    512      72      64        3459       0      30      69632        0
             g_bio    408      12     158       29773       0      30      69360        0
        malloc-384    384      15     165        3001       0      30      69120        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         117       0       1      65536        0
      malloc-16384  16384       3       1           9       0       1      65536        0
       malloc-8192   8192       5       2          33       0       1      57344        0
        sctp_raddr    736      47      30         183       0     254      56672        0
       malloc-4096   4096      12       1          23       0       2      53248        0
         malloc-64     64     496     323        3478       0     254      52416        0
        malloc-256    256      58     137        2818       0      62      49920        0
         32 Bucket    256      59     136        3851       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       5       1           9       0       1      49152        0
         malloc-64     64     634     122       16865       0     254      48384        0
        malloc-256    256      48     132        5053       0      62      46080        0
         malloc-64     64     382     311       58673       0     254      44352        0
            clpbuf   2632       0      16          19       0      16      42112        0
             NAMEI   1024       1      39       23751       0      16      40960        0
       malloc-4096   4096       6       4        2260       0       2      40960        0
            pcpu-8      8    4561     559        4717       0     254      40960        0
           DIRHASH   1024      34       2          34       0      16      36864        0
        malloc-256    256      47      88        2763       0      62      34560        0
        malloc-256    256     111      24        1386       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         153       0       1      32768        0
       malloc-4096   4096       8       0           8       0       2      32768        0
           pcpu-64     64     455      57         455       0     254      32768        0
              pipe    744      22      18         438       0      16      29760        0
       malloc-2048   2048      13       1          13       0       8      28672        0
       malloc-2048   2048       7       7          40       0       8      28672        0
             KNOTE    160      28     147       64424       0      62      28000        0
             Files     80     200     150       13315       0     126      28000        0
         TURNSTILE    136     163      26         163       0      62      25704        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
          8 Bucket     80      42     258        1359       0     126      24000        0
     udplite_inpcb    488       1      47         322       0     254      23424        0
             tcpcb   1048       4      18         122       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      53       7          53       0      30      23040        0
        malloc-384    384      46      14          50       0      30      23040        0
        malloc-256    256      53      37         193       0      62      23040        0
               PWD     32      17     613        1938       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        0
             unpcb    256      12      63        1975       0     254      19200        0
        SLEEPQUEUE     88     163      29         163       0     126      16896        0
      malloc-16384  16384       0       1           2       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       1       1          92       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       4       4         201       0       8      16384        0
       malloc-1024   1024       3      13        1191       0      16      16384        0
       malloc-1024   1024      12       4         166       0      16      16384        0
         malloc-32     32     272     232        1398       0     254      16128        0
      vtnet_tx_hdr     24       0     668      752142       0     254      16032        0
         tcp_inpcb    488       4      28         122       0     254      15616        0
       tcp_bbr_pcb    832       0      18          21       0      16      14976        0
       malloc-4096   4096       1       2           4       0       2      12288        0
       malloc-1024   1024       2      10          42       0      16      12288        0
        malloc-512    512       2      22         120       0      30      12288        0
         malloc-64     64      89     100         138       0     254      12096        0
         16 Bucket    144      42      42         363       0      62      12096        0
          2 Bucket     32      60     318         865       0     254      12096        0
        malloc-128    128      43      50          71       0     126      11904        0
         udp_inpcb    488       2      22         237       0     254      11712        0
     routing nhops    256      28      17          40       0      62      11520        0
        malloc-384    384      12      18          12       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           4       0       2       8192        0
       malloc-2048   2048       3       1           4       0       8       8192        0
       malloc-2048   2048       0       4          36       0       8       8192        0
       malloc-1024   1024       2       6          21       0      16       8192        0
        malloc-512    512       2      14          26       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
        malloc-512    512       0      16           8       0      30       8192        0
        malloc-512    512       6      10          52       0      30       8192        0
        malloc-512    512       0      16           4       0      30       8192        0
        malloc-512    512       3      13         512       0      30       8192        0
           rtentry    176      32      14          40       0      62       8096        0
              PGRP     88      25      67          39       0     126       8096        0
          rl_entry     40      63     139          63       0     254       8080        0
sctp_stream_msg_out    112      17      55          36       0     254       8064        0
        sctp_laddr     48       0     168          15       0     254       8064        0
             udpcb     32       3     249         559       0     254       8064        0
         malloc-64     64      12     114          27       0     254       8064        0
         malloc-64     64      83      43         102       0     254       8064        0
         malloc-64     64      58      68         263       0     254       8064        0
         malloc-32     32      46     206         136       0     254       8064        0
         malloc-32     32      48     204         103       0     254       8064        0
         malloc-32     32      72     180         798       0     254       8064        0
         malloc-32     32      44     208        3834       0     254       8064        0
         malloc-32     32     123     129        1729       0     254       8064        0
          4 Bucket     48       8     160         118       0     254       8064        0
         malloc-16     16      11     489         312       0     254       8000        0
         malloc-16     16     299     201         473       0     254       8000        0
         malloc-16     16      33     467          97       0     254       8000        0
         malloc-16     16     190     310        1360       0     254       8000        0
         malloc-16     16     112     388       27442       0     254       8000        0
         malloc-16     16     106     394        1095       0     254       8000        0
        malloc-128    128      18      44          69       0     126       7936        0
        malloc-128    128       7      55         276       0     126       7936        0
        sctp_chunk    152      30      22          30       0     254       7904        0
             ripcb    488       2      14          96       0     254       7808        0
              kenv    258       3      27        1042       0      30       7740        0
        malloc-384    384      20       0          20       0      30       7680        0
        malloc-384    384       1      19         315       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       1       0           1       0       2       4096        0
       malloc-2048   2048       0       2          12       0       8       4096        0
       malloc-1024   1024       4       0           4       0      16       4096        0
       malloc-1024   1024       2       2           2       0      16       4096        0
        malloc-512    512       2       6           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
               ipq     56       0      72           2       0     254       4032        0
         malloc-32     32      78      48          78       0     254       4032        0
         malloc-16     16      15     235          15       0     254       4000        0
       UMA Slabs 1    176       9      13           9       0      62       3872        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
           SMR CPU     32       2      61           2       0     254       2016        0
        SMR SHARED     24       2      61           2       0     254       1512        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_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       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     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_rack_pcb    704       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       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
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          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
           NCLNODE    592       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
    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
         domainset     40       0       0           0       0     254          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-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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-2048   2048       0       0           0       0       8          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
2021/01/10 23:37 freebsd-src 81b3a0a34145 2c1f2513 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.