panic: sbflush_internal: residual data

Status: closed as dup on 2021/09/07 21:31
Reported-by: syzbot+bca42a93f1254ca91e94@syzkaller.appspotmail.com
First crash: 2362d, last: 1790d
▶ ▼ Duplicate of
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/netinet/tcp_output.c:LINE 2 syz 707 1812d 2697d
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: sbflush_internal: residual data (2) 2 syz, C 263 1526d 1788d 2/2 fixed on 2022/05/30 04:02
freebsd panic: sbflush_internal: residual data (3) 2 syz, C 33 1147d 1513d 2/2 fixed on 2023/09/13 03:54

Sample crash report:
login: panic: sbflush_internal: ccc 0 mb 0 mbcnt 256
cpuid = 0
time = 1592123871
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002554e830
vpanic() at vpanic+0x1c7/frame 0xfffffe002554e890
panic() at panic+0x43/frame 0xfffffe002554e8f0
sbrelease_internal() at sbrelease_internal+0x168/frame 0xfffffe002554e930
sbdestroy() at sbdestroy+0x20/frame 0xfffffe002554e960
solisten_proto() at solisten_proto+0xc6/frame 0xfffffe002554e9c0
sctp_listen() at sctp_listen+0x4e6/frame 0xfffffe002554ea30
solisten() at solisten+0x7a/frame 0xfffffe002554ea70
kern_listen() at kern_listen+0x13c/frame 0xfffffe002554eab0
ia32_syscall() at ia32_syscall+0x24e/frame 0xfffffe002554ebf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffffdb88
KDB: enter: panic
[ thread pid 776 tid 100081 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a5046(%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                       0x80  ll+0x5f
rdx         0xffffffff8195e8a8
rbx                          0
rsp         0xfffffe002554e810
rbp         0xfffffe002554e830
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0023bb8310
r12         0xffffffff82068f70  ddb_dbbe
r13                          0
r14         0xffffffff819a9130
r15         0xffffffff819a9130
rip         0xffffffff810b4ba7  kdb_enter+0x67
rflags                0x200082  kernphys+0x82
kdb_enter+0x67: movq    $0,0x14a5046(%rip)
db> show proc
Process 776 (syz-executor1776447) at 0xfffff80003c5e520:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 774 at 0xfffff80016909000
 ABI: FreeBSD ELF32
 arguments: ./syz-executor177644779
 reaper: 0xfffff80003318000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00257ae3d0
   (map 0xfffffe00257ae3d0)
   (map.pmap 0xfffffe00257ae490)
   (pmap 0xfffffe00257ae4f0)
 threads: 1
100081                   Run     CPU 0                       syz-executor1776447
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  780   778   771     0  R       CPU 1                       syz-executor1776447
  779   775   771     0  R                                   syz-executor1776447
  778   773   771     0  S       nanslp  0xffffffff8252f1f1  syz-executor1776447
  777   773   771     0  R                                   syz-executor1776447
  776   774   771     0  R       CPU 0                       syz-executor1776447
  775   773   771     0  S       nanslp  0xffffffff8252f1f1  syz-executor1776447
  774   773   771     0  R                                   syz-executor1776447
  773   771   771     0  S       nanslp  0xffffffff8252f1f1  syz-executor1776447
  771   769   771     0  Ss      pause   0xfffff80003c615c8  csh
  769   682   769     0  Ss      select  0xfffff80003db78c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffff800037b98b0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80003b35cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80003b384b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b38cb0  getty
  744     1   744     0  Ss+     ttyin   0xfffff800033c44b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff800033c4cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffff800033c34b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff800033c3cb0  getty
  740     1   740     0  Ss+     ttyin   0xfffff800033c84b0  getty
  738     1    24     0  S+      piperd  0xfffff80003c6c8e8  logger
  737   736    24     0  S+      nanslp  0xffffffff8252f1f1  sleep
  736     1    24     0  S+      wait    0xfffff80003cec000  sh
  686     1   686     0  Ss      nanslp  0xffffffff8252f1f0  cron
  682     1   682     0  Ss      select  0xfffff800039e16c0  sshd
  495     1   495     0  Ss      select  0xfffff80003da9440  syslogd
  424     1   424     0  Ss      select  0xfffff80003da9540  devd
  423     1   423    65  Ss      select  0xfffff80003da96c0  dhclient
  338     1   338     0  Ss      select  0xfffff800039e1640  dhclient
  335     1   335     0  Ss      select  0xfffff80003da9ec0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff800033ef520  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff8261a458  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100069                   D       qsleep  0xffffffff826197a0  [bufdaemon]
100076                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100086                   D       sdflush 0xfffff80003cf1ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82640788  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100067                   D       psleep  0xffffffff82634c18  [dom0]
100074                   D       launds  0xffffffff82634c24  [laundry: dom0]
100075                   D       umarcl  0xffffffff8154f5a0  [uma]
   18     0     0     0  DL      -       0xffffffff82362e58  [rand_harvestq]
   17     0     0     0  DL      pftm    0xffffffff82c5a3a0  [pf purge]
   16     0     0     0  DL      waiting 0xffffffff8261cbd0  [sctp_iterator]
   15     0     0     0  DL      -       0xffffffff82618dac  [soaiod4]
    9     0     0     0  DL      -       0xffffffff82618dac  [soaiod3]
    8     0     0     0  DL      -       0xffffffff82618dac  [soaiod2]
    7     0     0     0  DL      -       0xffffffff82618dac  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100033                   D       -       0xffffffff8223abc0  [doneq0]
100066                   D       -       0xffffffff8223aa90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80003347690  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80003347630  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82632400  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800030e0488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100024                   D       -       0xffffffff8250e180  [g_event]
100025                   D       -       0xffffffff8250e188  [g_up]
100026                   D       -       0xffffffff8250e190  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100017                   D       -       0xfffff800030f7c00  [thr_0]
100018                   D       -       0xfffff800030f7c40  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi5: fast taskq]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100019                   I                                   [swi4: clock (0)]
100020                   I                                   [swi4: clock (1)]
100021                   I                                   [swi3: vm]
100022                   I                                   [swi1: netisr 0]
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    0xfffff80003318000  [init]
   10     0     0     0  DL      audit_w 0xffffffff826328d8  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250e710  [swapper]
100005                   D       -       0xfffff80003215e00  [if_config_tqg_0]
100006                   D       -       0xfffff80003215d00  [softirq_0]
100007                   D       -       0xfffff80003215c00  [softirq_1]
100008                   D       -       0xfffff80003215b00  [if_io_tqg_0]
100009                   D       -       0xfffff80003215a00  [if_io_tqg_1]
100011                   D       -       0xfffff8000334a000  [kqueue_ctx taskq]
100012                   D       -       0xfffff80003347e00  [aiod_kick taskq]
100015                   D       -       0xfffff80003347b00  [in6m_free taskq]
100016                   D       -       0xfffff80003347a00  [thread taskq]
100023                   D       -       0xfffff80003347900  [firmware taskq]
100028                   D       -       0xfffff80003347700  [crypto_0]
100029                   D       -       0xfffff80003347700  [crypto_1]
100043                   D       -       0xfffff80003347400  [vtnet0 rxq 0]
100044                   D       -       0xfffff80003347300  [vtnet0 txq 0]
100045                   D       -       0xfffff80003347200  [vtnet0 rxq 1]
100046                   D       -       0xfffff80003347100  [vtnet0 txq 1]
100048                   D       vtbslp  0xfffff8000351a580  [virtio_balloon]
100052                   D       -       0xfffff80003347000  [mca taskq]
100056                   D       -       0xffffffff81d4e801  [deadlkres]
100061                   D       -       0xfffff80003b26300  [acpi_task_0]
100062                   D       -       0xfffff80003b26300  [acpi_task_1]
100063                   D       -       0xfffff80003b26300  [acpi_task_2]
100065                   D       -       0xfffff80003347500  [CAM taskq]
db> show all locks
Process 780 (syz-executor1776447) thread 0xfffffe0025850700 (100112)
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe0004956b60) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:2520
Process 776 (syz-executor1776447) thread 0xfffffe0023bb7e00 (100081)
exclusive sleep mutex socket (socket) r = 0 (0xfffffe00239aee20) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7286
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8001699f968) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7284
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4212         4850K         4237
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        27849         1625K        27913
              kobj          334         1336K          493
            newblk          465         1140K          483
          vfscache            4         1025K            4
               pcb           27          544K           81
          inodedep           48          536K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          120          246K          848
            acpica         1674          185K        55859
         vnet_data            1          168K            1
           pagedep           14          132K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          101          101K          110
            linker          239           96K          268
               bus          972           79K         3360
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          501           63K          501
              temp           18           33K         1534
         hostcache            1           32K            1
               shm            1           32K            1
              umtx          252           32K          252
           kdtrace          160           31K         1616
               msg            4           30K            4
            DEVFS3          120           30K          130
        DEVFS_RULE           56           27K           56
        gtaskqueue           18           26K           18
              vmem            3           22K            4
            kbdmux            6           22K            6
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           98           16K           98
            bus-sc           30           14K         1439
            ifaddr           32           13K           32
            KTRACE          100           13K          100
              kenv           95           12K           99
      eventhandler          132           12K          132
         pfs_nodes           20           10K           20
              GEOM           60           10K          487
              rman           82           10K          423
         bmsafemap            3            9K           39
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          233            8K          291
           CAM DEV            3            6K          510
                vt           11            6K           11
              cred           21            6K          234
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
            dirrem           17            5K           28
            plimit           17            5K          322
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
               UMA          248            4K          248
             evdev            4            4K            4
          filedesc            1            4K            1
           lltable           11            4K           11
          routetbl           14            4K           14
            kqueue           53            4K          783
             hhook           13            4K           13
       ether_multi           40            4K           45
            diradd           25            4K           36
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
           acpisem           22            3K           22
          terminal           11            3K           11
           session           20            3K           31
              pgrp           20            3K           31
           uidinfo            3            3K            8
            select           17            3K           17
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
         proc-args           39            2K          472
           CAM XPT           22            2K          543
             lockf           15            2K           22
            Unitno           25            2K           37
           acpidev           20            2K           20
               msi            9            2K            9
           softdep            1            1K            1
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
         sctp_atcl            2            1K            4
             clone            8            1K            8
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
            ip6ndp            4            1K            5
          sctp_ifa            5            1K            5
            crypto            3            1K            3
         newdirblk            4            1K            8
             mkdir            4            1K           16
         sctp_timw            2            1K            2
          in_multi            2            1K            3
              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
               osd            3            1K            9
               mld            2            1K            2
          sctp_ifn            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
       inpcbpolicy            6            1K          129
        loginclass            3            1K            7
            soname            5            1K         5790
     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
            DEVFSP            2            1K            2
          filecaps            4            1K           66
               tun            3            1K            3
          nexusdev            5            1K            5
           entropy            2            1K           35
          freework            1            1K           26
          sctp_vrf            1            1K            1
         sctp_atky            2            1K            6
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
         sctp_athm            2            1K            4
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          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
           ath_hal            0            0K            0
        madt_table            0            0K            2
            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
            ata_da            0            0K            0
            pvscsi            0            0K            0
          smartpqi            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
       tcp_log_dev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
       fpukern_ctx            0            0K            0
      midi buffers            0            0K            0
          xen_intr            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
              isci            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
           CAM CCB            0            0K         1790
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
          tempbuff            0            0K            0
           UMAHash            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           12
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           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
          freefile            0            0K            9
          freeblks            0            0K           25
          freefrag            0            0K            7
        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
               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            3
       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_socko            0            0K            2
         sctp_iter            0            0K            3
         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            3
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            2
         sctp_stri            0            0K            0
          sctp_map            0            0K            4
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        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
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               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          195
       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
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     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           25
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        12941
          ioctlops            0            0K           85
           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
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           malodev            0            0K            0
              SWAP            0            0K            0
               LED            0            0K            0
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                ix            0            0K            0
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      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
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            aacbuf            0            0K            0
              zstd            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
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       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
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    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
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   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
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         raid_data            0            0K           72
     geom_flashmap            0            0K            0
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         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
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NFSCL diroffdiroff            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9526     126        9526       0     254   19767296        0
       mbuf_packet    256    8192    1206       24022       0     254    2405888        0
               512    512    4180      20        4181       0      30    2150400        0
   mbuf_jumbo_page   4096       0     508          10       0     254    2080768        0
          BUF TRIE    144     165   13331         473       0      62    1943424        0
              4096   4096     393       3        1729       0       2    1622016        0
               128    128    9251      80       14947       0     126    1194368        0
         sctp_asoc   2288       0     510           2       0     254    1166880        0
              pbuf    832       0     969           0       0       2     806208        0
       UMA Slabs 0    112    6729      33        6729       0     126     757344        0
           sctp_ep   1280       3     507           3       0     254     652800        0
             tcpcb   1040       3     514           7       0     254     537680        0
            socket    904      17     496        1164       0     254     463752        0
             65536  65536       6       0           6       0       1     393216        0
        sctp_raddr    736       2     515           2       0     254     380512        0
        RADIX NODE    144    2053     184       19393       0      62     322128        0
        256 Bucket   2048     131      13         361       0       8     294912        0
             VNODE    488     528      48         539       0      30     281088        0
         VM OBJECT    264     934      26       12461       0      30     253440        0
         tcp_inpcb    488       3     509           7       0     254     249856        0
         udp_inpcb    488       2     510         118       0     254     249856        0
            THREAD   1792     112      14         112       0       8     225792        0
              mbuf    256     388     384        2007       0     254     197632        0
                64     64    2752     335        3722       0     254     197568        0
             65536  65536       1       2          52       0       1     196608        0
               128    128    1275     244       25581       0     126     194432        0
                16     16   11706     294       11922       0     254     192000        0
         UMA Zones    768     222       4         222       0      16     173568        0
                32     32    4432     482        4619       0     254     157248        0
              1024   1024     129      15         139       0      16     147456        0
       FFS2 dinode    256     499      71         508       0      62     145920        0
               256    256     466     104         501       0      62     145920        0
             65536  65536       2       0           2       0       1     131072        0
              2048   2048       7      57        2561       0       8     131072        0
             unpcb    256       7     503        1015       0     254     130560        0
             ripcb    488       1     255           4       0     254     124928        0
         MAP ENTRY     96     913     347       37271       0     126     120960        0
          ksiginfo    112      43    1001          59       0     126     116928        0
         vmem btag     56    1921     154        1921       0     254     116200        0
               128    128     559     216        1459       0     126      99200        0
         FFS inode    160     499      76         508       0      62      92000        0
              PROC   1312      52      14         780       0       8      86592        0
             g_bio    408       0     210        4811       0      30      85680        0
        128 Bucket   1024      38      45         204       0      16      84992        0
           VMSPACE   2536      30       3         760       0       4      83688        0
          UMA Kegs    384     208       7         208       0      30      82560        0
       S VFS Cache    108     583     173        1107       0     126      81648        0
               256    256     266      49        1064       0      62      80640        0
         filedesc0   1088      53      17         781       0       8      76160        0
              1024   1024      10      58         281       0      16      69632        0
                64     64     607     464       14301       0     254      68544        0
               128    128     309     218         392       0     126      67456        0
             65536  65536       0       1         112       0       1      65536        0
             32768  32768       2       0           2       0       1      65536        0
             16384  16384       3       1           4       0       1      65536        0
             16384  16384       4       0           4       0       1      65536        0
              4096   4096      15       1          28       0       2      65536        0
              8192   8192       6       1           8       0       1      57344        0
                64     64     286     533        1061       0     254      52416        0
                64     64     445     374         679       0     254      52416        0
               128    128     317      86         352       0     126      51584        0
               256    256      64     131         189       0      62      49920        0
         32 Bucket    256      31     164         375       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       11460       0      16      49152        0
               512    512      69      27         210       0      30      49152        0
               512    512      71      25         392       0      30      49152        0
          syncache    168       0     264           5       0     254      44352        0
              8192   8192       4       1          32       0       1      40960        0
            clpbuf    832       0      48         110       0      16      39936        0
        sctp_readq    152       2     258           2       0     254      39520        0
         64 Bucket    512      57      15         402       0      30      36864        0
             selfd     64      38     529        3998       0     254      36288        0
                64     64      12     555          26       0     254      36288        0
                64     64      12     555          36       0     254      36288        0
                64     64      33     534          65       0     254      36288        0
                64     64      28     539          69       0     254      36288        0
               128    128      19     260          77       0     126      35712        0
               128    128      13     266          14       0     126      35712        0
               128    128      62     217          67       0     126      35712        0
     routing nhops    256       8     127          18       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      33     102         356       0      62      34560        0
               256    256      22     113         681       0      62      34560        0
               256    256      64      71         156       0      62      34560        0
               256    256       9     126        1225       0      62      34560        0
               256    256      70      65         633       0      62      34560        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       0       1         112       0       1      32768        0
              4096   4096       8       0          12       0       2      32768        0
              2048   2048       4      12          16       0       8      32768        0
              2048   2048       5      11           6       0       8      32768        0
              2048   2048       3      13         194       0       8      32768        0
              2048   2048       4      12           4       0       8      32768        0
              1024   1024       2      30          31       0      16      32768        0
              1024   1024       9      23         865       0      16      32768        0
              1024   1024       4      28          22       0      16      32768        0
              1024   1024       6      26           8       0      16      32768        0
               512    512       1      63           4       0      30      32768        0
               512    512       4      60          28       0      30      32768        0
               512    512      19      45          20       0      30      32768        0
               512    512       4      60         514       0      30      32768        0
     mt_stats_zone     64     443      69         443       0     254      32768        0
           64 pcpu      8    3393     703        3395       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
                32     32     313     569         375       0     254      28224        0
          4 Bucket     48       6     582        4463       0     254      28224        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
           rtentry    208      14     119          18       0      62      27664        0
              pipe    760       7      28         280       0      16      26600        0
         TURNSTILE    136     127      62         127       0      62      25704        0
              8192   8192       3       0           3       0       1      24576        0
              4096   4096       2       4         197       0       2      24576        0
          rl_entry     40      30     576          30       0     254      24240        0
          8 Bucket     80      40     260        6548       0     126      24000        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     127     129         127       0     126      22528        0
             udpcb     32       2     628         118       0     254      20160        0
               PWD     32      10     620          98       0     254      20160        0
             Files     72      72     208        6305       0     126      20160        0
                32     32      42     588        1135       0     254      20160        0
                32     32      39     591         130       0     254      20160        0
                32     32      34     596         793       0     254      20160        0
                32     32      42     588        2881       0     254      20160        0
                32     32      30     600         810       0     254      20160        0
         16 Bucket    144      40     100         142       0      62      20160        0
          2 Bucket     32      38     592        7775       0     254      20160        0
             KNOTE    160       0     125           7       0      62      20000        0
          procdesc    136       1     144           6       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
              8192   8192       2       0           2       0       1      16384        0
              8192   8192       1       1          82       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              4096   4096       0       4           3       0       2      16384        0
              4096   4096       2       2           2       0       2      16384        0
              2048   2048       7       1           7       0       8      16384        0
              1024   1024       1      15           1       0      16      16384        0
              1024   1024       1      15           1       0      16      16384        0
               512    512      11      21          11       0      30      16384        0
      vtnet_tx_hdr     24       0     668        1063       0     254      16032        0
           mt_zone     24     443     225         443       0     254      16032        0
               MAP    216       2      69           2       0      62      15336        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
                32     32      20     358          39       0     254      12096        0
                16     16      11     739          45       0     254      12000        0
                16     16      30     720          71       0     254      12000        0
                16     16     258     492         415       0     254      12000        0
                16     16      16     734          40       0     254      12000        0
                16     16      26     724       25422       0     254      12000        0
                16     16      15     735         279       0     254      12000        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
              4096   4096       1       1           1       0       2       8192        0
              4096   4096       1       1           1       0       2       8192        0
           SMR CPU     32       1     254           1       0     254       8160        0
                16     16     185     315        1239       0     254       8000        0
        SMR SHARED     24       1     254           1       0     254       6120        0
              2048   2048       0       2          32       0       8       4096        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
          int pcpu      4      34     478          34       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    256       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_pcb    832       0       0           0       0      16          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
     udplite_inpcb    488       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
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    184       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
             rentr     24       0       0           0       0     254          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
         VNODEPOLL    120       0       0           0       0     126          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    272       0       0           0       0      30          0        0
      nvme_request    128       0       0           0       0     126          0        0
    DMAR_MAP_ENTRY    128       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
             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
             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
             16384  16384       0       0           0       0       1          0        0
              2048   2048       0       0           0       0       8          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (374):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/06/14 08:39 freebsd 0d32fd8ea6fc a61674a5 console log report syz C ci-freebsd-i386
2020/02/27 08:01 freebsd 2ead2384b24d 251aabb7 console log report syz ci-freebsd-i386
2020/02/13 09:13 freebsd 70af7c90bcb4 84f4fc8a console log report syz ci-freebsd-i386
2021/09/07 11:08 freebsd-src 936f4a42fa2a 6ca60148 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/09/05 21:25 freebsd-src bb61ccd530b7 d236a457 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/08/24 15:07 freebsd-src 159258afb50a b599f2fc console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/08/10 16:47 freebsd-src 4a5a67fe679d 6972b106 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/08/08 05:17 freebsd-src 5668a155cbe6 6972b106 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/08/04 06:37 freebsd-src 0fa5403d493b 6c236867 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/08/01 13:54 freebsd-src 60fb9e10c74c 6c236867 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/16 14:40 freebsd-src 5ede4fc06d84 f115ae98 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/13 09:38 freebsd-src 9c1c02093b90 f415556d console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/07 22:28 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/06 00:38 freebsd-src f649cff58721 55aa55c2 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/05 03:26 freebsd-src 4060e77f49d1 55aa55c2 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/02 19:41 freebsd-src c95156691588 55aa55c2 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/01 16:42 freebsd-src c5f4772c66d2 658ebc66 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/07/01 04:14 freebsd-src 28dd6730a5d6 38a885d1 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/28 16:25 freebsd-src e0893890eb60 9d2ab5df console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/23 19:57 freebsd-src f13da24715a7 fe4ab389 console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/23 16:16 freebsd-src ddfc9c4c59e2 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/22 17:28 freebsd-src e3be51b2bc7c aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/22 00:56 freebsd-src 7544c1d20d8b aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/20 16:22 freebsd-src 5403f2c163f7 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/20 10:47 freebsd-src 5403f2c163f7 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/19 07:50 freebsd-src 5f88df77a6a0 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/19 03:22 freebsd-src 64e6e1e46363 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/18 03:43 freebsd-src 6a836ea741c7 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/06/17 07:31 freebsd-src 3a4ab18377c8 aba2b2fb console log report ci-freebsd-main panic: sbflush_internal: residual data
2021/09/06 09:15 freebsd-src bd11e253a9a4 d236a457 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/08/30 05:13 freebsd-src d98954e22981 be2c130d console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/07 09:56 freebsd-src e41fde3ed71c 4846d5c1 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/07 05:02 freebsd-src e41fde3ed71c cca78469 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/07 02:28 freebsd-src e41fde3ed71c cca78469 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/06 05:04 freebsd-src e41fde3ed71c 55aa55c2 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/05 17:22 freebsd-src f649cff58721 55aa55c2 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/05 01:07 freebsd-src 4060e77f49d1 55aa55c2 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/04 09:26 freebsd-src 24f398e7a153 55aa55c2 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/03 13:36 freebsd-src 6329ca325e02 55aa55c2 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/02 00:14 freebsd-src 2ce58512957e 658ebc66 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/07/01 11:49 freebsd-src c5f4772c66d2 658ebc66 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/30 01:30 freebsd-src f77697dd9f31 a4fccb01 console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/26 14:59 freebsd-src 18b19f8c6e04 9d2ab5df console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/26 03:06 freebsd-src 95d3044bbdad ae6bf8dd console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/24 12:59 freebsd-src e6caac717b4f ec865f6a console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/23 12:02 freebsd-src c90902d39e7a aba2b2fb console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/22 20:17 freebsd-src 800e82d12411 aba2b2fb console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/18 23:16 freebsd-src 4c0bc591466f aba2b2fb console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2021/06/17 14:22 freebsd-src 67cef6d411ce aba2b2fb console log report ci-freebsd-i386 panic: sbflush_internal: residual data
2020/02/13 08:29 freebsd 70af7c90bcb4 84f4fc8a console log report ci-freebsd-i386
2021/01/17 05:14 freebsd-src 7593c13e180f 65a7a854 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.