syzbot


panic: to_ticks == 0 for timer type 5

Status: fixed on 2021/02/28 03:18
Reported-by: syzbot+14b9d7c3c64208fae62f@syzkaller.appspotmail.com
Fix commit: 70e95f0b6917 sctp: avoid integer overflow when starting the HB timer
First crash: 713d, last: 713d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: to_ticks == 0 for timer type 5 (2) syz 2 687d 687d 2/2 fixed on 2021/03/23 07:46

Sample crash report:
login: panic: to_ticks == 0 for timer type 5
cpuid = 0
time = 1614076487
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0094950770
vpanic() at vpanic+0x1c7/frame 0xfffffe00949507d0
panic() at panic+0x43/frame 0xfffffe0094950830
sctp_timer_start() at sctp_timer_start+0x121a/frame 0xfffffe0094950890
sctp_setopt() at sctp_setopt+0x9e59/frame 0xfffffe0094950920
sctp_ctloutput() at sctp_ctloutput+0x22c/frame 0xfffffe0094950980
sosetopt() at sosetopt+0x101/frame 0xfffffe0094950a00
kern_setsockopt() at kern_setsockopt+0x150/frame 0xfffffe0094950a80
sys_setsockopt() at sys_setsockopt+0x33/frame 0xfffffe0094950ab0
amd64_syscall() at amd64_syscall+0x247/frame 0xfffffe0094950bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0094950bf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b3f7a, rsp = 0x7fffffffea18, rbp = 0x7fffffffea60 ---
KDB: enter: panic
[ thread pid 1366 tid 100120 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1442e9e(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff819a181d
rbx                          0
rsp         0xfffffe0094950750
rbp         0xfffffe0094950770
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe0094950640
r11              0x1ff6bfff59c
r12         0xffffffff820678b0  ddb_dbbe
r13                          0
r14         0xffffffff81a51159
r15         0xffffffff81a51159
rip         0xffffffff811238e7  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x1442e9e(%rip)
db> show proc
Process 1366 (syz-executor0907546) at 0xfffff800195c9a50:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 785 at 0xfffff80019546000
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: ./syz-executor090754605
 reaper: 0xfffff80004457528 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094c01000
   (map 0xfffffe0094c01000)
   (map.pmap 0xfffffe0094c010c0)
   (pmap 0xfffffe0094c01120)
 threads: 1
100120                   Run     CPU 0                       syz-executor0907546
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1366   785   783     0  R       CPU 0                       syz-executor0907546
  785   783   783     0  S       nanslp  0xffffffff82539f21  syz-executor0907546
  783   781   783     0  Ss      pause   0xfffff800198b70b0  csh
  781   694   781     0  Ss      select  0xfffff80019384640  sshd
  760     1   760     0  Ss+     ttyin   0xfffff8000486dcb0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80004b9b8b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004b9bcb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004ba30b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004ba34b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004ba38b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004ba3cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b170b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004b174b0  getty
  750     1    24     0  S+      piperd  0xfffff80019395ba0  logger
  749   748    24     0  S+      nanslp  0xffffffff82539f20  sleep
  748     1    24     0  S+      wait    0xfffff80004f2d528  sh
  698     1   698     0  Ss      nanslp  0xffffffff82539f20  cron
  694     1   694     0  Ss      select  0xfffff80019384940  sshd
  507     1   507     0  Ss      select  0xfffff800048d5640  syslogd
  436     1   436     0  Ss      select  0xfffff80004bfb040  devd
  435     1   435    65  Ss      select  0xfffff80004bfb0c0  dhclient
  350     1   350     0  Ss      select  0xfffff80019384f40  dhclient
  347     1   347     0  Ss      select  0xfffff80004bfb9c0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004d38528  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff82629338  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       qsleep  0xffffffff82628400  [bufdaemon]
100084                   D       -       0xffffffff8200ad80  [bufspacedaemon-0]
100096                   D       sdflush 0xfffff80004e0c4e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82650248  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff826446b8  [dom0]
100085                   D       launds  0xffffffff826446c4  [laundry: dom0]
100086                   D       umarcl  0xffffffff815af780  [uma]
   18     0     0     0  DL      -       0xffffffff8236e2a8  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82e5c818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82cd4430  [pf purge]
   15     0     0     0  DL      -       0xffffffff82625a5c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff82625a5c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff82625a5c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff82625a5c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100043                   D       -       0xffffffff82245bc0  [doneq0]
100076                   D       -       0xffffffff82245a90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff800045f4c88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004346b90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004346b30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82641ba0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100034                   D       -       0xffffffff82519760  [g_event]
100035                   D       -       0xffffffff82519768  [g_up]
100036                   D       -       0xffffffff82519770  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100027                   D       -       0xfffff8000434bd00  [thr_0]
100028                   D       -       0xfffff8000434bd80  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi4: clock (0)]
100030                   I                                   [swi4: clock (1)]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi1: netisr 0]
100044                   I                                   [irq24: virtio_pci0]
100045                   I                                   [irq25: virtio_pci0]
100046                   I                                   [irq26: virtio_pci0]
100047                   I                                   [irq27: virtio_pci0]
100048                   I                                   [irq28: virtio_pci1]
100049                   I                                   [irq29: virtio_pci1]
100050                   I                                   [irq30: virtio_pci1]
100051                   I                                   [irq31: virtio_pci1]
100052                   I                                   [irq32: virtio_pci1]
100057                   I                                   [irq10: virtio_pci2]
100059                   I                                   [irq1: atkbd0]
100060                   I                                   [irq12: psm0]
100061                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
100082                   I                                   [swi1: hpts]
100083                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004457528  [init]
   10     0     0     0  DL      audit_w 0xffffffff826420c0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82519cf0  [swapper]
100005                   D       -       0xfffff80004472100  [if_io_tqg_0]
100006                   D       -       0xfffff80004472000  [if_io_tqg_1]
100007                   D       -       0xfffff80004473e00  [if_config_tqg_0]
100008                   D       -       0xfffff80004473d00  [softirq_0]
100009                   D       -       0xfffff80004473c00  [softirq_1]
100011                   D       -       0xfffff80004473900  [inm_free taskq]
100012                   D       -       0xfffff80004473800  [linuxkpi_irq_wq]
100013                   D       -       0xfffff80004473700  [kqueue_ctx taskq]
100014                   D       -       0xfffff80004473600  [aiod_kick taskq]
100017                   D       -       0xfffff80004473100  [thread taskq]
100018                   D       -       0xfffff80004473000  [in6m_free taskq]
100019                   D       -       0xfffff80004478e00  [linuxkpi_short_wq_0]
100020                   D       -       0xfffff80004478e00  [linuxkpi_short_wq_1]
100021                   D       -       0xfffff80004478e00  [linuxkpi_short_wq_2]
100022                   D       -       0xfffff80004478e00  [linuxkpi_short_wq_3]
100023                   D       -       0xfffff80004478d00  [linuxkpi_long_wq_0]
100024                   D       -       0xfffff80004478d00  [linuxkpi_long_wq_1]
100025                   D       -       0xfffff80004478d00  [linuxkpi_long_wq_2]
100026                   D       -       0xfffff80004478d00  [linuxkpi_long_wq_3]
100033                   D       -       0xfffff80004478700  [firmware taskq]
100037                   D       -       0xfffff80004478600  [crypto_0]
100038                   D       -       0xfffff80004478600  [crypto_1]
100053                   D       -       0xfffff80004892d00  [vtnet0 rxq 0]
100054                   D       -       0xfffff80004892c00  [vtnet0 txq 0]
100055                   D       -       0xfffff80004892b00  [vtnet0 rxq 1]
100056                   D       -       0xfffff80004892a00  [vtnet0 txq 1]
100058                   D       vtbslp  0xfffff80004880d00  [virtio_balloon]
100062                   D       -       0xfffff80004892300  [mca taskq]
100067                   D       -       0xffffffff81dfc4e0  [deadlkres]
100071                   D       -       0xfffff800044fb800  [acpi_task_0]
100072                   D       -       0xfffff800044fb800  [acpi_task_1]
100073                   D       -       0xfffff800044fb800  [acpi_task_2]
100075                   D       -       0xfffff80004478500  [CAM taskq]
db> show all locks
Process 1366 (syz-executor0907546) thread 0xfffffe0094bf8800 (100120)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094cffc70) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_usrreq.c:5244
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4241
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30827         1808K        30893
              kobj          331         1324K          491
            newblk          542         1160K          599
          vfscache            3         1025K            3
               pcb           37          555K         1237
          inodedep           26          522K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          108          211K         1428
            acpica         1674          184K        55181
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            8          130K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          102          102K          111
            linker          286          101K          309
               bus          989           81K         3493
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          506           64K          506
           kdtrace          168           34K         1488
              temp           18           33K         1577
         hostcache            1           32K            1
               shm            1           32K            1
              umtx          252           32K          252
            DEVFS3          121           31K          131
               msg            4           30K            4
              vmem            3           26K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
         sctp_timw           55           14K           55
            bus-sc           32           14K         1718
            KTRACE          100           13K          100
              kenv           93           12K           93
      eventhandler          133           12K          133
            ifaddr           30           12K           32
              GEOM           60           10K          489
              rman           82           10K          423
         bmsafemap            2            9K           40
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
            sglist            5            7K            5
           CAM DEV            3            6K          510
         taskqueue           57            6K           57
              cred           21            6K          234
         CAM queue            5            6K         1528
       ufs_dirhash           24            5K           24
               UMA          262            5K          262
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
         sctp_atcl           10            4K         1743
             hhook           13            4K           13
          routetbl           14            4K           14
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
            kqueue           47            3K         1369
           pwddesc           47            3K         1367
           acpisem           22            3K           22
          terminal           11            3K           11
           session           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K        16662
         proc-args           39            2K          490
          freefile           13            2K           22
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
         sctp_stro            1            1K          581
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
            diradd            7            1K           36
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
      linuxcurrent            3            1K            4
         sctp_stri            1            1K         1162
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
         sctp_atky           11            1K         2905
    chacha20random            1            1K            1
               osd            3            1K           10
        sctp_socko            1            1K          581
          sctp_ifn            2            1K            6
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            feeder            7            1K            7
       inpcbpolicy            6            1K          131
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
             linux            5            1K            6
         sctp_athm           10            1K         2324
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          freework            1            1K           26
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
            DEVFSP            2            1K            2
            soname            4            1K         4345
          filecaps            4            1K           66
          nexusdev            6            1K            6
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
               pmc            1            1K            1
          sctp_map            2            1K         1162
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
         sctp_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
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            mqdata            0            0K            0
            DEVFS4            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
          xen_intr            0            0K            0
           ath_hal            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
            pvscsi            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
     vm_fictitious            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
           UMAHash            0            0K            0
         acpi_perf            0            0K            0
            twsbuf            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           15
          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
          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
      twe_commands            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            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
        tcp_hwpace            0            0K            0
      twa_commands            0            0K            0
               LRO            0            0K            0
      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
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
           VN POLL            0            0K            0
       tcp_log_dev            0            0K            0
            statfs            0            0K          196
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            6
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         1791
               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
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
ag_tgt_map_t malloc            0            0K            0
          mbuf_tag            0            0K           27
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
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
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        13503
          ioctlops            0            0K           86
           eventfd            0            0K            0
           Witness            0            0K            0
             stack            0            0K            0
            MPSSAS            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
              sbuf            0            0K          288
        md_sectors            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           md_disk            0            0K            0
              SWAP            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K          610
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            0
              rctl            0            0K            0
          ix_sriov            0            0K            0
        aacraidcam            0            0K            0
       aacraid_buf            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
             cache            0            0K            0
            iirbuf            0            0K            0
          kcovinfo            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
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            nvlist            0            0K            0
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           SCSI sa            0            0K            0
         scsi_pass            0            0K            0
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       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
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         tmpfs dir            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
     NFSCL devinfo            0            0K            0
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NFSCL diroffdiroff            0            0K            0
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            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     941       13573       0     254   37933056        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8578     887       33081       0     254    2423040        0
          BUF TRIE    144     169   13299         453       0      62    1939392        0
        malloc-384    384    4116      14        4463       0      30    1585920        0
       malloc-4096   4096     378       2        1858       0       2    1556480        0
        malloc-128    128   10147      52       10208       0     126    1305472        0
       UMA Slabs 0    112   10196      25       10196       0     126    1144752        0
         sctp_asoc   2288       1     304         581       0     254     697840        0
         FFS inode   1160     486      25         509       0       8     592760        0
      mbuf_cluster   2048     270       2         270       0     254     557056        0
      malloc-65536  65536       4       2         186       0       1     393216        0
        RADIX NODE    144    2082     183       27705       0      62     326160        0
        256 Bucket   2048     120      12       10586       0       8     270336        0
         VM OBJECT    264     897      63       17344       0      30     253440        0
             VNODE    448     515      34         540       0      30     245952        0
        sctp_raddr    736       1     318         581       0     254     234784        0
            THREAD   1792     120       6         120       0       8     225792        0
         malloc-64     64    3417     111        4766       0     254     225792        0
            DEVCTL   1024       0     216         114       0       0     221184        0
         malloc-16     16   12802     198       13125       0     254     208000        0
        malloc-256    256     754      11        1395       0      62     195840        0
           sctp_ep   1280       8     136         581       0     254     184320        0
         UMA Zones    768     234       0         234       0      16     179712        0
         malloc-32     32    4907     133        6770       0     254     161280        0
        malloc-128    128    1183      57       25843       0     126     158720        0
       malloc-1024   1024     122      18        1217       0      16     143360        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       FFS2 dinode    256     486      24         508       0      62     130560        0
          ksiginfo    112      41    1003          57       0     126     116928        0
         vmem btag     56    1992      84        1992       0     254     116256        0
         MAP ENTRY     96     847     329       44428       0     126     112896        0
       malloc-2048   2048      13      41        2568       0       8     110592        0
       S VFS Cache    104     966      87        1006       0     126     109512        0
      malloc-16384  16384       5       1         181       0       1      98304        0
        malloc-128    128     679      34        1679       0     126      91264        0
       malloc-8192   8192       6       5         135       0       1      90112        0
          UMA Kegs    384     220       3         220       0      30      85632        0
           VMSPACE   2544      24       9        1345       0       4      83952        0
        malloc-256    256     189     126        1347       0      62      80640        0
              PROC   1320      46      14        1366       0       8      79200        0
             g_bio    408       0     190        4620       0      30      77520        0
        malloc-128    128     537      52        3571       0     126      75392        0
       mbuf_packet    256       0     270        2998       0     254      69120        0
        128 Bucket   1024      35      32         592       0      16      68608        0
            socket    944      15      57        1812       0     254      67968        0
         filedesc0   1072      47      16        1367       0       8      67536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
       malloc-4096   4096      13       2          25       0       2      61440        0
       malloc-8192   8192       7       0           7       0       1      57344        0
       malloc-2048   2048       7      17         567       0       8      49152        0
         malloc-64     64     642     114       22762       0     254      48384        0
        malloc-384    384     113       7         133       0      30      46080        0
         32 Bucket    256      50     130        7150       0      62      46080        0
       malloc-1024   1024       9      35         589       0      16      45056        0
            clpbuf   2624       0      16          20       0      16      41984        0
             NAMEI   1024       0      40       11945       0      16      40960        0
         malloc-64     64     531      99         781       0     254      40320        0
        malloc-256    256      94      56         765       0      62      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
            pcpu-8      8    4133     475        4161       0     254      36864        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
        malloc-512    512      10      54        1171       0      30      32768        0
           pcpu-64     64     479      33         479       0     254      32768        0
         64 Bucket    512      52      12        1559       0      30      32768        0
        malloc-384    384      40      40          85       0      30      30720        0
        malloc-384    384      11      69        1744       0      30      30720        0
       malloc-4096   4096       6       1           9       0       2      28672        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-4096   4096       4       2         607       0       2      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
             tcpcb   1048       3      19           7       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
       malloc-1024   1024      18       2          18       0      16      20480        0
       malloc-1024   1024      14       6          30       0      16      20480        0
         malloc-32     32      38     592        3855       0     254      20160        0
         TURNSTILE    136     127      20         127       0      62      19992        0
        malloc-128    128     118      37         123       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
              pipe    744       7      18         284       0      16      18600        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       7       1           8       0       8      16384        0
        malloc-512    512       3      29         179       0      30      16384        0
             Files     80      70     130        7066       0     126      16000        0
         malloc-16     16     490     510        3022       0     254      16000        0
          8 Bucket     80      38     162         522       0     126      16000        0
        malloc-384    384      27      13          29       0      30      15360        0
        malloc-256    256      33      27         398       0      62      15360        0
        SLEEPQUEUE     88     127      33         127       0     126      14080        0
         malloc-64     64     124      65         127       0     254      12096        0
         malloc-64     64      17     172         263       0     254      12096        0
         malloc-32     32     242     136         360       0     254      12096        0
         16 Bucket    144      35      49         234       0      62      12096        0
      vtnet_tx_hdr     24       0     501        1870       0     254      12024        0
         malloc-16     16      34     716       27306       0     254      12000        0
        malloc-128    128      66      27          71       0     126      11904        0
        sctp_chunk    152       1      77         586       0     254      11856        0
         udp_inpcb    488       2      22         120       0     254      11712        0
              kenv    258      15      30        1049       0      30      11610        0
        malloc-256    256      31      14          35       0      62      11520        0
        malloc-256    256      23      22         251       0      62      11520        0
        malloc-256    256      20      25          22       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2         197       0       2       8192        0
       malloc-4096   4096       2       0           2       0       2       8192        0
       malloc-2048   2048       4       0           4       0       8       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-2048   2048       0       4         256       0       8       8192        0
       malloc-1024   1024       0       8           4       0      16       8192        0
        malloc-512    512       2      14          10       0      30       8192        0
        malloc-512    512       3      13         511       0      30       8192        0
        malloc-512    512       2      14           3       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      20      72          31       0     126       8096        0
          rl_entry     40      33     169          33       0     254       8080        0
        sctp_laddr     48       0     168           4       0     254       8064        0
             udpcb     32       2     250         120       0     254       8064        0
               PWD     32      10     242         100       0     254       8064        0
         malloc-64     64       4     122       13180       0     254       8064        0
         malloc-64     64      10     116          14       0     254       8064        0
         malloc-64     64      21     105          43       0     254       8064        0
         malloc-32     32       5     247        1175       0     254       8064        0
         malloc-32     32      21     231          33       0     254       8064        0
         malloc-32     32     145     107         952       0     254       8064        0
         malloc-32     32      30     222         183       0     254       8064        0
         malloc-32     32      37     215         178       0     254       8064        0
          4 Bucket     48       5     163         154       0     254       8064        0
          2 Bucket     32      43     209         494       0     254       8064        0
             KNOTE    160       0      50           8       0      62       8000        0
         malloc-16     16       2     498         187       0     254       8000        0
         malloc-16     16       2     498           2       0     254       8000        0
         malloc-16     16      17     483          21       0     254       8000        0
         malloc-16     16       1     499         118       0     254       8000        0
         malloc-16     16       6     494           8       0     254       8000        0
        malloc-128    128       0      62         211       0     126       7936        0
        malloc-128    128      26      36         284       0     126       7936        0
             ripcb    488       1      15           4       0     254       7808        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       7      23        1083       0     254       7680        0
        malloc-384    384      15       5          15       0      30       7680        0
        malloc-256    256       0      30         377       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           2       0       2       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-1024   1024       2       2           2       0      16       4096        0
       malloc-1024   1024       1       3           1       0      16       4096        0
       malloc-1024   1024       2       2           2       0      16       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      61           2       0     254       2016        0
        SMR SHARED     24       2      61           2       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_rack_pcb    704       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
       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
      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    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      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   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/02/23 10:36 freebsd-src 701d6b50ae7b fcc6d71b console log report syz C panic: to_ticks == 0 for timer type 5
ci-freebsd-main 2021/02/23 10:15 freebsd-src 701d6b50ae7b fcc6d71b console log report panic: to_ticks == 0 for timer type 5
* Struck through repros no longer work on HEAD.