syzbot


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

Status: auto-closed as invalid on 2020/10/03 19:39
Reported-by: syzbot+87ea5ecedcbed70da30a@syzkaller.appspotmail.com
First crash: 1332d, last: 1332d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:LINE (2) 2 1230d 1231d 0/2 auto-closed as invalid on 2021/01/13 18:02
freebsd panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:LINE (3) 7 919d 1137d 0/2 auto-closed as invalid on 2021/11/21 14:53

Sample crash report:
panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:4802
cpuid = 1
time = 1593977919
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002c090680
vpanic() at vpanic+0x1c7/frame 0xfffffe002c0906e0
panic() at panic+0x43/frame 0xfffffe002c090740
__mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe002c0907a0
sctp_add_to_readq() at sctp_add_to_readq+0x4a2/frame 0xfffffe002c090810
sctp_ulp_notify() at sctp_ulp_notify+0xe66/frame 0xfffffe002c090880
sctp_setopt() at sctp_setopt+0x9e99/frame 0xfffffe002c090920
sctp_ctloutput() at sctp_ctloutput+0x22c/frame 0xfffffe002c090980
sosetopt() at sosetopt+0x101/frame 0xfffffe002c090a00
kern_setsockopt() at kern_setsockopt+0x158/frame 0xfffffe002c090a80
sys_setsockopt() at sys_setsockopt+0x33/frame 0xfffffe002c090ab0
ia32_syscall() at ia32_syscall+0x24e/frame 0xfffffe002c090bf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbfbaf78
KDB: enter: panic
[ thread pid 1345 tid 100287 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a3436(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b  ll+0x1a
es                        0x3b  ll+0x1a
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xfffffe0026200000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe002c090660
rbp         0xfffffe002c090680
rsi                    0x40001
rdi         0xffffffff810c14e6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0025c6ba10
r12         0xffffffff82068f70  ddb_dbbe
r13                          0
r14         0xffffffff819a9572
r15         0xffffffff819a9572
rip         0xffffffff810b67f7  kdb_enter+0x67
rflags                0x200086  kernphys+0x86
kdb_enter+0x67: movq    $0,0x14a3436(%rip)
db> show proc
Process 1345 (syz-executor.0) at 0xfffff8001091d520:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 770 at 0xfffff8001091d000
 ABI: FreeBSD ELF32
 arguments: /root/syz-executor.0
 reaper: 0xfffff80003310000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00258893d0
   (map 0xfffffe00258893d0)
   (map.pmap 0xfffffe0025889490)
   (pmap 0xfffffe00258894f0)
 threads: 4
100330                   Run     CPU 0                       syz-executor.0
100272                   S       connec  0xfffffe00239a2478  syz-executor.0
100273                   S       connec  0xfffffe002399ef10  syz-executor.0
100287                   Run     CPU 1                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1348   771   771     0  S       (threaded)                  syz-executor.1
100103                   S       nanslp  0xffffffff8252f241  syz-executor.1
100284                   S       accept  0xfffffe00239e3698  syz-executor.1
100285                   S       uwait   0xfffff80003317300  syz-executor.1
 1347   783   783     0  S       (threaded)                  syz-executor.3
100195                   S       nanslp  0xffffffff8252f241  syz-executor.3
100276                   S       connec  0xfffffe00239a0800  syz-executor.3
100278                   S       uwait   0xfffff80010ae4d00  syz-executor.3
 1346   775   775     0  R       (threaded)                  syz-executor.2
100265                   RunQ                                syz-executor.2
100277                   S       connec  0xfffffe00239a00f0  syz-executor.2
100279                   S       accept  0xfffffe002399ec00  syz-executor.2
100280                   S       uwait   0xfffff80003317500  syz-executor.2
 1345   770   770     0  R       (threaded)                  syz-executor.0
100330                   Run     CPU 0                       syz-executor.0
100272                   S       connec  0xfffffe00239a2478  syz-executor.0
100273                   S       connec  0xfffffe002399ef10  syz-executor.0
100287                   Run     CPU 1                       syz-executor.0
  825   812   825     0  Ss      select  0xfffff80003df5e40  dhclient
  818     1   818     0  Ss      select  0xfffff80003df5d40  dhclient
  812   799   424    65  S       select  0xfffff80003bf4940  dhclient
  799   424   424     0  S       wait    0xfffff8001091ea40  sh
  783   768   783     0  Rs                                  syz-executor.3
  775   768   775     0  Ss      nanslp  0xffffffff8252f240  syz-executor.2
  771   768   771     0  Rs                                  syz-executor.1
  770   768   770     0  Ss      nanslp  0xffffffff8252f241  syz-executor.0
  768   766   766     0  S       (threaded)                  syz-fuzzer
100091                   S       uwait   0xfffff800037ef780  syz-fuzzer
100104                   S       uwait   0xfffff800037ec200  syz-fuzzer
100105                   S       uwait   0xfffff800037ec500  syz-fuzzer
100106                   S       uwait   0xfffff800037ec600  syz-fuzzer
100107                   S       uwait   0xfffff80003a43480  syz-fuzzer
100108                   S       uwait   0xfffff80003a43580  syz-fuzzer
100109                   S       uwait   0xfffff800037ec700  syz-fuzzer
100110                   S       uwait   0xfffff800037ec800  syz-fuzzer
100112                   S       kqread  0xfffff80003dd1a00  syz-fuzzer
100113                   S       uwait   0xfffff80003a40c80  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffff80003dc20a8  csh
  764   682   764     0  Ss      select  0xfffff80003e04a40  sshd
  748     1   748     0  Ss+     ttyin   0xfffff80003806cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80003b06cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80003b090b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b094b0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80003b098b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80003b09cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80003b080b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80003b084b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80003b088b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff8252f240  cron
  682     1   682     0  Ss      select  0xfffff80003bf4b40  sshd
  495     1   495     0  Ss      select  0xfffff80003e041c0  syslogd
  424     1   424     0  Ss      wait    0xfffff80003dc2520  devd
  423     1   423    65  Ss      select  0xfffff80003bf4c40  dhclient
  338     1   338     0  Ss      select  0xfffff80003bf4ec0  dhclient
  335     1   335     0  Ss      select  0xfffff80003bf5040  dhclient
   23     0     0     0  DL      syncer  0xffffffff8261a498  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff800033eca40  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100069                   D       qsleep  0xffffffff826197e0  [bufdaemon]
100076                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100087                   D       sdflush 0xfffff8000342c4e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82640708  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100067                   D       psleep  0xffffffff82634b98  [dom0]
100074                   D       launds  0xffffffff82634ba4  [laundry: dom0]
100075                   D       umarcl  0xffffffff8154f650  [uma]
   18     0     0     0  DL      -       0xffffffff82362e78  [rand_harvestq]
   17     0     0     0  DL      pftm    0xffffffff82c583a0  [pf purge]
   16     0     0     0  DL      waiting 0xffffffff8261cc10  [sctp_iterator]
   15     0     0     0  DL      -       0xffffffff82618dec  [soaiod4]
    9     0     0     0  DL      -       0xffffffff82618dec  [soaiod3]
    8     0     0     0  DL      -       0xffffffff82618dec  [soaiod2]
    7     0     0     0  DL      -       0xffffffff82618dec  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100033                   D       -       0xffffffff8223abc0  [doneq0]
100066                   D       -       0xffffffff8223aa90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80003212d90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80003212d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82632440  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800030d5488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100024                   D       -       0xffffffff8250e1c0  [g_event]
100025                   D       -       0xffffffff8250e1c8  [g_up]
100026                   D       -       0xffffffff8250e1d0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100017                   D       -       0xfffff80003093700  [thr_0]
100018                   D       -       0xfffff80003093740  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100019                   I                                   [swi3: vm]
100020                   I                                   [swi1: netisr 0]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100034                   I                                   [irq24: virtio_pci0]
100035                   I                                   [irq25: virtio_pci0]
100036                   I                                   [irq26: virtio_pci0]
100037                   I                                   [irq27: virtio_pci0]
100038                   I                                   [irq28: virtio_pci1]
100039                   I                                   [irq29: virtio_pci1]
100040                   I                                   [irq30: virtio_pci1]
100041                   I                                   [irq31: virtio_pci1]
100042                   I                                   [irq32: virtio_pci1]
100047                   I                                   [irq10: virtio_pci2]
100049                   I                                   [irq1: atkbd0]
100050                   I                                   [irq12: psm0]
100051                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100072                   I                                   [swi1: hpts]
100073                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80003310000  [init]
   10     0     0     0  DL      audit_w 0xffffffff82632858  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250e750  [swapper]
100005                   D       -       0xfffff80003356100  [softirq_0]
100006                   D       -       0xfffff80003356000  [softirq_1]
100007                   D       -       0xfffff80003357e00  [if_io_tqg_0]
100008                   D       -       0xfffff80003357d00  [if_io_tqg_1]
100009                   D       -       0xfffff80003357c00  [if_config_tqg_0]
100010                   D       -       0xfffff80003351800  [kqueue_ctx taskq]
100011                   D       -       0xfffff80003351700  [aiod_kick taskq]
100014                   D       -       0xfffff80003351200  [in6m_free taskq]
100015                   D       -       0xfffff80003351100  [thread taskq]
100023                   D       -       0xfffff8000334e900  [firmware taskq]
100028                   D       -       0xfffff8000334e800  [crypto_0]
100029                   D       -       0xfffff8000334e800  [crypto_1]
100043                   D       -       0xfffff8000334e200  [vtnet0 rxq 0]
100044                   D       -       0xfffff8000334e100  [vtnet0 txq 0]
100045                   D       -       0xfffff8000334e000  [vtnet0 rxq 1]
100046                   D       -       0xfffff8000334fe00  [vtnet0 txq 1]
100048                   D       vtbslp  0xfffff800034f3580  [virtio_balloon]
100052                   D       -       0xfffff8000334f700  [mca taskq]
100057                   D       -       0xffffffff81d4edb0  [deadlkres]
100061                   D       -       0xfffff80003b66200  [acpi_task_0]
100062                   D       -       0xfffff80003b66200  [acpi_task_1]
100063                   D       -       0xfffff80003b66200  [acpi_task_2]
100065                   D       -       0xfffff8000334e700  [CAM taskq]
db> show all locks
Process 1345 (syz-executor.0) thread 0xfffffe0025c2b500 (100330)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff825536e0) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_umtx.c:512
Process 1345 (syz-executor.0) thread 0xfffffe0025c6b500 (100287)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00259f98b0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:5188
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff80010c29e68) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:5124
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4212         4850K         4240
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        27951         1631K        28015
              kobj          334         1336K          493
            newblk           88         1046K         5745
          vfscache            4         1025K            4
               pcb           39          551K         1014
          inodedep           32          528K          820
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          128          257K         1422
            acpica         1674          185K        55859
         vnet_data            1          168K            1
          filedesc           21          149K         1117
           pagedep            9          130K          556
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          239           96K          280
               bus          996           80K         3392
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          501           63K          501
              umtx          342           43K          342
               BPF           22           36K           22
           kdtrace          183           36K         3961
              temp           35           33K         1849
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            ifaddr           73           25K           73
            kbdmux            6           22K            6
           lltable           48           18K           70
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           98           16K           98
       ether_multi          172           14K          177
            bus-sc           30           14K         1439
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          132           12K          132
         in6_multi           89           11K           89
         pfs_nodes           20           10K           20
          freework           40           10K         2247
              GEOM           60           10K          489
              rman           82           10K          423
         bmsafemap            3            9K          924
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            2
       pfs_vncache            1            8K            1
     audit_evclass          233            8K          291
              cred           27            7K          465
         sctp_timw           26            7K           26
           CAM DEV            3            6K          510
         sctp_atcl           12            6K          402
         sctp_stro            6            6K          110
            kqueue           57            6K         1353
                vt           11            6K           11
            plimit           21            6K          352
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
            DEVFSP           72            5K           76
          pf_ifnet           10            5K           19
               UMA          249            5K          249
           memdesc            1            4K            1
               MCA           32            4K           32
            dirrem           16            4K          745
             evdev            4            4K            4
          kcovinfo           64            4K           68
          routetbl           23            4K           23
          freeblks           15            4K          818
             hhook           13            4K           13
           session           25            4K           35
              pgrp           25            4K           37
           acpisem           22            3K           22
          terminal           11            3K           11
          freefile           20            3K          743
             lockf           24            3K          791
         proc-args           44            3K          541
           uidinfo            3            3K            7
          sctp_ifa           17            3K           17
        local_apic            1            2K            1
           io_apic            1            2K            1
          indirdep            8            2K         2566
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           21
            select           15            2K           15
            Unitno           28            2K          379
           CAM XPT           22            2K          543
          in_multi            6            2K            7
           acpidev           20            2K           20
               msi            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             clone            8            1K            8
       vnodemarker            2            1K           22
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             mkdir            6            1K         1088
            diradd            6            1K          780
               mld            6            1K            6
          sctp_ifn            6            1K            6
         sctp_atky           18            1K          512
              igmp            6            1K            6
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
            crypto            3            1K            3
         newdirblk            4            1K          544
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
             epoch            4            1K            4
              cdev            2            1K            2
 encap_export_host            8            1K            8
       inpcbpolicy           13            1K          708
               osd            3            1K            9
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
         sctp_athm           12            1K          402
          sctp_map           12            1K          220
            soname            8            1K         6237
        loginclass            3            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
           tcpfunc            2            1K            2
              ktls            1            1K            1
          pmchooks            1            1K            1
            prison            4            1K            4
          nexusdev            5            1K            5
           entropy            2            1K           37
          sctp_vrf            1            1K            1
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           72
        sctp_socko            1            1K           59
          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
            vtfont            0            0K            0
        madt_table            0            0K            2
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            pvscsi            0            0K            0
          smartpqi            0            0K            0
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
       fpukern_ctx            0            0K            0
       tcp_log_dev            0            0K            0
          xen_intr            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
              isci            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
           CAM CCB            0            0K        10648
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
           UMAHash            0            0K            0
          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K          719
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           10
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefrag            0            0K            8
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
             xform            0            0K            0
ag_slr_map_t malloc            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K           10
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
lDevFlags * malloc            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
         sctp_iter            0            0K           10
         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           10
         sctp_aadr            0            0K            0
         sctp_stri            0            0K            0
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            1
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
            statfs            0            0K          715
       export_host            0            0K            0
        cl_savebuf            0            0K            3
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
            MPSSAS            0            0K            0
          mbuf_tag            0            0K          131
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        14030
          ioctlops            0            0K          105
           Witness            0            0K            0
             stack            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
        md_sectors            0            0K            0
              sbuf            0            0K          288
           md_disk            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           malodev            0            0K            0
              SWAP            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K          591
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            1
              rctl            0            0K            0
          ix_sriov            0            0K            0
        aacraidcam            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
            iirbuf            0            0K            0
             cache            0            0K            0
       aacraid_buf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
           NFS FHA            0            0K            0
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
NFSCL diroffdiroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
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            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
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       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9780     380        9782       0     254   20807680        0
       mbuf_packet    256    8237    1415      639848       0     254    2470912        0
               512    512    4140      36        4142       0      30    2138112        0
   mbuf_jumbo_page   4096       0     508          92       0     254    2080768        0
          BUF TRIE    144     226   13270        7026       0      62    1943424        0
              4096   4096     336       2         946       0       2    1384448        0
        RADIX NODE    144    9083     238       55301       0      62    1342224        0
               128    128    9723     135       10866       0     126    1261824        0
         sctp_asoc   2288       6     504         110       0     254    1166880        0
       UMA Slabs 0    112    7117       5        7117       0     126     797664        0
              pbuf    832       0     953           0       0       2     792896        0
           sctp_ep   1280       6     504         292       0     254     652800        0
             tcpcb   1040       9     508         527       0     254     537680        0
            socket    904      28     485        2080       0     254     463752        0
        sctp_raddr    736       6     511         110       0     254     380512        0
        256 Bucket   2048     156       8        1578       0       8     335872        0
              mbuf    256     579     704      315570       0     254     328448        0
         VM OBJECT    264    1123     107       21628       0      30     324720        0
             VNODE    488     544      88        1289       0      30     308416        0
            THREAD   1792     141      30        1331       0       8     306432        0
               256    256     153     972        8169       0      62     288000        0
             65536  65536       4       0           4       0       1     262144        0
              4096   4096      55       7        1349       0       2     253952        0
             ripcb    488       2     510          11       0     254     249856        0
     udplite_inpcb    488       0     512          14       0     254     249856        0
         tcp_inpcb    488       9     503         527       0     254     249856        0
         udp_inpcb    488       2     510         156       0     254     249856        0
             16384  16384      10       4         559       0       1     229376        0
              2048   2048       0     112       10680       0       8     229376        0
                64     64    2810     277        3041       0     254     197568        0
             65536  65536       1       2          62       0       1     196608        0
             32768  32768       0       6        2379       0       1     196608        0
                16     16   11776     224       11884       0     254     192000        0
             g_bio    408       0     450       40246       0      30     183600        0
               128    128    1160     235       25370       0     126     178560        0
         UMA Zones    768     223       3         223       0      16     173568        0
         MAP ENTRY     96    1354     410       70181       0     126     169344        0
                32     32    4647     267        5291       0     254     157248        0
         vmem btag     56    2163     488        2163       0     254     148456        0
              1024   1024     117      27         136       0      16     147456        0
       FFS2 dinode    256     507      63        1250       0      62     145920        0
             65536  65536       2       0           2       0       1     131072        0
             65536  65536       1       1           9       0       1     131072        0
             unpcb    256      11     499        1054       0     254     130560        0
          ksiginfo    112      53     991         100       0     126     116928        0
              4096   4096      27       1          39       0       2     114688        0
           VMSPACE   2536      32      13        1332       0       4     114120        0
       S VFS Cache    108     613     395        1918       0     126     108864        0
              PROC   1312      54      18        1348       0       8      94464        0
         FFS inode    160     507      68        1250       0      62      92000        0
        128 Bucket   1024      50      33         428       0      16      84992        0
         filedesc0   1088      55      22        1349       0       8      83776        0
               128    128     392     259        1475       0     126      83328        0
          UMA Kegs    384     209       6         209       0      30      82560        0
               256    256     179     136        3021       0      62      80640        0
        sctp_readq    152       2     518           2       0     254      79040        0
        sctp_chunk    152       4     516           4       0     254      79040        0
               512    512      99      53         141       0      30      77824        0
              1024   1024      10      58         388       0      16      69632        0
         64 Bucket    512      87      49        1227       0      30      69632        0
                64     64     520     551        1589       0     254      68544        0
               128    128     323     204         550       0     126      67456        0
             65536  65536       1       0           1       0       1      65536        0
             65536  65536       0       1         112       0       1      65536        0
             16384  16384       4       0           4       0       1      65536        0
              2048   2048       8      24         520       0       8      65536        0
              2048   2048       7      25         293       0       8      65536        0
               256    256     157      98         530       0      62      65280        0
               256    256     103     152        1031       0      62      65280        0
               256    256      69     186        2066       0      62      65280        0
         32 Bucket    256      53     202         974       0      62      65280        0
               512    512      34      86        1330       0      30      61440        0
sctp_stream_msg_out    112       0     540           6       0     254      60480        0
              8192   8192       6       1          34       0       1      57344        0
            clpbuf    832       0      64         231       0      16      53248        0
                64     64     294     525       13592       0     254      52416        0
                64     64     465     354         750       0     254      52416        0
               128    128      45     358        6763       0     126      51584        0
               128    128     186     217        1840       0     126      51584        0
               256    256      36     159        2076       0      62      49920        0
               256    256      86     109         876       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       15275       0      16      49152        0
               512    512      53      43          85       0      30      49152        0
               512    512      39      57         429       0      30      49152        0
          syncache    168       0     264           4       0     254      44352        0
             selfd     64      33     534        8296       0     254      36288        0
                64     64      14     553          50       0     254      36288        0
                64     64      64     503        1382       0     254      36288        0
                64     64       7     560         381       0     254      36288        0
                64     64     244     323        1906       0     254      36288        0
          8 Bucket     80      58     392       13489       0     126      36000        0
               128    128      42     237          89       0     126      35712        0
               128    128     157     122         251       0     126      35712        0
     routing nhops    256      17     118          39       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      18     117         919       0      62      34560        0
         TURNSTILE    136     172      80         172       0      62      34272        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       0       1         112       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
              8192   8192       3       1          86       0       1      32768        0
              8192   8192       4       0           4       0       1      32768        0
              4096   4096       7       1           7       0       2      32768        0
              2048   2048       9       7          12       0       8      32768        0
              2048   2048       2      14           4       0       8      32768        0
              2048   2048       9       7           9       0       8      32768        0
              2048   2048       2      14         449       0       8      32768        0
              1024   1024      16      16          16       0      16      32768        0
              1024   1024       3      29        1032       0      16      32768        0
              1024   1024      17      15          17       0      16      32768        0
               512    512      21      43         139       0      30      32768        0
               512    512      11      53          12       0      30      32768        0
     mt_stats_zone     64     443      69         443       0     254      32768        0
           64 pcpu      8    3760     336        3762       0     254      32768        0
         16 Bucket    144      62     162        3543       0      62      32256        0
             KNOTE    160      27     173       24557       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     196     204        8971       0     126      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588          16       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
               PWD     32      19     863         631       0     254      28224        0
          4 Bucket     48       6     582        6028       0     254      28224        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
           rtentry    208      35      98          39       0      62      27664        0
              pipe    760      19      16         328       0      16      26600        0
              8192   8192       2       1           4       0       1      24576        0
          rl_entry     40      74     532          74       0     254      24240        0
          2 Bucket     32      62     694       13582       0     254      24192        0
      vtnet_tx_hdr     24       0    1002      310463       0     254      24048        0
        SLEEPQUEUE     88     172      84         172       0     126      22528        0
             udpcb     32       2     628         170       0     254      20160        0
                32     32      28     602         230       0     254      20160        0
                32     32     115     515         874       0     254      20160        0
                32     32     116     514         949       0     254      20160        0
                32     32       9     621          38       0     254      20160        0
                32     32     106     524        1677       0     254      20160        0
                32     32      46     584        3790       0     254      20160        0
          procdesc    136       2     143           8       0      62      19720        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
             16384  16384       1       0           1       0       1      16384        0
             16384  16384       0       1         136       0       1      16384        0
             16384  16384       1       0           1       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              4096   4096       1       3           7       0       2      16384        0
              4096   4096       4       0           5       0       2      16384        0
              4096   4096       1       3         716       0       2      16384        0
              2048   2048       1       7          13       0       8      16384        0
              1024   1024       2      14          42       0      16      16384        0
              1024   1024       6      10           6       0      16      16384        0
              1024   1024       1      15           1       0      16      16384        0
           mt_zone     24     443     225         443       0     254      16032        0
              kenv    258       3      57        1112       0      30      15480        0
               MAP    216       2      69           2       0      62      15336        0
       tcp_bbr_pcb    832       0      18           2       0      16      14976        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
                32     32      12     366         207       0     254      12096        0
                16     16      28     722         267       0     254      12000        0
                16     16      17     733         524       0     254      12000        0
                16     16      28     722         325       0     254      12000        0
                16     16     202     548        1417       0     254      12000        0
                16     16       4     746           5       0     254      12000        0
                16     16     264     486         670       0     254      12000        0
                16     16      22     728       25390       0     254      12000        0
       Mountpoints   2816       2       2           2       0       4      11264        0
           SMR CPU     32       2     253           2       0     254       8160        0
        SMR SHARED     24       2     253           2       0     254       6120        0
               512    512       2       6         323       0      30       4096        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
          int pcpu      4      18     494          18       0     254       2048        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
   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_bbr_map    128       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
      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
               ipq     56       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    280       0       0           0       0      30          0        0
             AIOCB    752       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
     LTS VFS Cache    368       0       0           0       0      30          0        0
       L VFS Cache    328       0       0           0       0      30          0        0
     STS VFS Cache    148       0       0           0       0      62          0        0
             rentr     24       0       0           0       0     254          0        0
         VNODEPOLL    120       0       0           0       0     126          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          0        0
      nvme_request    128       0       0           0       0     126          0        0
    DMAR_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    832       0       0           0       0      62          0        0
            mdpbuf    832       0       0           0       0       4          0        0
           nfspbuf    832       0       0           0       0      16          0        0
            swwbuf    832       0       0           0       0       8          0        0
            swrbuf    832       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
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              4096   4096       0       0           0       0       2          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
2020/07/05 19:38 freebsd 0d3509df958c 695ef2dd console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.