syzbot


panic: to_ticks == 0 for timer type 5 (2)

Status: fixed on 2021/03/23 07:46
Reported-by: syzbot+5eb0e009147050056ce9@syzkaller.appspotmail.com
Fix commit: d995cc7e5431 sctp: fix handling of RTO.initial of 1 ms
First crash: 687d, last: 687d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: to_ticks == 0 for timer type 5 C 2 713d 713d 2/2 fixed on 2021/02/28 03:18

Sample crash report:
panic: to_ticks == 0 for timer type 5
cpuid = 1
time = 1616316070
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0003779170
vpanic() at vpanic+0x1c7/frame 0xfffffe00037791d0
panic() at panic+0x43/frame 0xfffffe0003779230
sctp_timer_start() at sctp_timer_start+0x121a/frame 0xfffffe0003779290
sctp_start_net_timers() at sctp_start_net_timers+0x58/frame 0xfffffe00037792c0
sctp_process_control() at sctp_process_control+0x5525/frame 0xfffffe0003779750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe00037798e0
sctp_input_with_port() at sctp_input_with_port+0x306/frame 0xfffffe00037799d0
sctp_input() at sctp_input+0x1f/frame 0xfffffe00037799f0
ip_input() at ip_input+0x388/frame 0xfffffe0003779a90
swi_net() at swi_net+0x20d/frame 0xfffffe0003779b10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe0003779bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe0003779bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0003779bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100032 ]
Stopped at      kdb_enter+0x67: movq    $0,0x143f43e(%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         0xffffffff819ab359
rbx                          0
rsp         0xfffffe0003779150
rbp         0xfffffe0003779170
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe0003779040
r11              0x1fffcfff59c
r12         0xffffffff82067a90  ddb_dbbe
r13                          0
r14         0xffffffff81a5b14d
r15         0xffffffff81a5b14d
rip         0xffffffff81127a47  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x143f43e(%rip)
db> show proc
Process 12 (intr) at 0xfffff800044a5a50:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8251a3b0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8251a3b0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8251b000
   (map 0xffffffff8251b000)
   (map.pmap 0xffffffff8251b0c0)
   (pmap 0xffffffff8251b120)
 threads: 23
100013                   I                                   [swi6: task queue]
100015                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100029                   I                                   [swi3: vm]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   Run     CPU 1                       [swi1: netisr 0]
100045                   I                                   [irq24: virtio_pci0]
100046                   I                                   [irq25: virtio_pci0]
100047                   I                                   [irq26: virtio_pci0]
100048                   I                                   [irq27: virtio_pci0]
100049                   I                                   [irq28: virtio_pci1]
100050                   I                                   [irq29: virtio_pci1]
100051                   I                                   [irq30: virtio_pci1]
100052                   I                                   [irq31: virtio_pci1]
100053                   I                                   [irq32: virtio_pci1]
100058                   I                                   [irq10: virtio_pci2]
100060                   I                                   [irq1: atkbd0]
100061                   I                                   [irq12: psm0]
100062                   I                                   [swi0: uart uart++]
100070                   I                                   [swi1: pf send]
100083                   I                                   [swi1: hpts]
100084                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  813   787   787     0  R                                   syz-executor.0
  812     1   812     0  Rs                                  dhclient
  809   802   436     0  R       CPU 0                       dhclient
  802   436   436     0  S       wait    0xfffff80018562528  sh
  787   785   787     0  Ss      nanslp  0xffffffff8253a5e0  syz-executor.0
  785   783   783     0  S       (threaded)                  syz-execprog
100092                   S       uwait   0xfffff8000485c780  syz-execprog
100119                   S       uwait   0xfffff80004e14680  syz-execprog
100120                   S       uwait   0xfffff80004e14580  syz-execprog
100121                   S       kqread  0xfffff80018520100  syz-execprog
100122                   S       uwait   0xfffff80004e15680  syz-execprog
100123                   S       uwait   0xfffff80004e15580  syz-execprog
100124                   S       uwait   0xfffff80004e15480  syz-execprog
100125                   S       uwait   0xfffff80004e15380  syz-execprog
  783   781   783     0  Ss      pause   0xfffff80004f105d8  csh
  781   694   781     0  Ss      select  0xfffff80004e144c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffff800048c7cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80004be6cb0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004bed0b0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004bed4b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004bed8b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004bedcb0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004b670b0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b674b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004b678b0  getty
  750     1    24     0  S+      piperd  0xfffff80004eea2e8  logger
  749   748    24     0  S+      nanslp  0xffffffff8253a5e0  sleep
  748     1    24     0  S+      wait    0xfffff80004f59a50  sh
  698     1   698     0  Ss      nanslp  0xffffffff8253a5e0  cron
  694     1   694     0  Ss      select  0xfffff80004e14340  sshd
  507     1   507     0  Ss      select  0xfffff80004e127c0  syslogd
  436     1   436     0  Ss      wait    0xfffff80004ed8000  devd
  435     1   435    65  Ss      select  0xfffff80004e143c0  dhclient
  350     1   350     0  Ss      select  0xfffff80004e14440  dhclient
  347     1   347     0  Ss      select  0xfffff80004e1aec0  dhclient
   23     0     0     0  DL      syncer  0xffffffff82629a50  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004bd1528  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       qsleep  0xffffffff82628b00  [bufdaemon]
100087                   D       -       0xffffffff8200ad80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffff800043478e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82650948  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100078                   D       psleep  0xffffffff82644db8  [dom0]
100085                   D       launds  0xffffffff82644dc4  [laundry: dom0]
100086                   D       umarcl  0xffffffff815b4f90  [uma]
   18     0     0     0  DL      -       0xffffffff8236e948  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82e5e818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82bc63c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff8262615c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8262615c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8262615c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8262615c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100043                   D       -       0xffffffff82246040  [doneq0]
100044                   D       -       0xffffffff82245fc0  [async]
100077                   D       -       0xffffffff82245e90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004653c88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff8000434ec90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000434ec30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff826422a0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100034                   D       -       0xffffffff82519e20  [g_event]
100035                   D       -       0xffffffff82519e28  [g_up]
100036                   D       -       0xffffffff82519e30  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100027                   D       -       0xfffff800044aa300  [thr_0]
100028                   D       -       0xfffff800044aa380  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100015                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100029                   I                                   [swi3: vm]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   Run     CPU 1                       [swi1: netisr 0]
100045                   I                                   [irq24: virtio_pci0]
100046                   I                                   [irq25: virtio_pci0]
100047                   I                                   [irq26: virtio_pci0]
100048                   I                                   [irq27: virtio_pci0]
100049                   I                                   [irq28: virtio_pci1]
100050                   I                                   [irq29: virtio_pci1]
100051                   I                                   [irq30: virtio_pci1]
100052                   I                                   [irq31: virtio_pci1]
100053                   I                                   [irq32: virtio_pci1]
100058                   I                                   [irq10: virtio_pci2]
100060                   I                                   [irq1: atkbd0]
100061                   I                                   [irq12: psm0]
100062                   I                                   [swi0: uart uart++]
100070                   I                                   [swi1: pf send]
100083                   I                                   [swi1: hpts]
100084                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  RLs                                 [init]
   10     0     0     0  DL      audit_w 0xffffffff826427c0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8251a3b0  [swapper]
100005                   D       -       0xfffff80004349700  [if_io_tqg_0]
100006                   D       -       0xfffff80004349500  [if_io_tqg_1]
100007                   D       -       0xfffff80004349300  [if_config_tqg_0]
100008                   D       -       0xfffff80004349100  [softirq_0]
100009                   D       -       0xfffff800044a9e00  [softirq_1]
100010                   D       -       0xfffff800044a8e00  [kqueue_ctx taskq]
100011                   D       -       0xfffff800044a8d00  [inm_free taskq]
100012                   D       -       0xfffff800044a8c00  [linuxkpi_irq_wq]
100014                   D       -       0xfffff800044a8a00  [aiod_kick taskq]
100016                   D       -       0xfffff800044a8800  [thread taskq]
100018                   D       -       0xfffff800044a8600  [in6m_free taskq]
100019                   D       -       0xfffff800044a8500  [linuxkpi_short_wq_0]
100020                   D       -       0xfffff800044a8500  [linuxkpi_short_wq_1]
100021                   D       -       0xfffff800044a8500  [linuxkpi_short_wq_2]
100022                   D       -       0xfffff800044a8500  [linuxkpi_short_wq_3]
100023                   D       -       0xfffff800044a8400  [linuxkpi_long_wq_0]
100024                   D       -       0xfffff800044a8400  [linuxkpi_long_wq_1]
100025                   D       -       0xfffff800044a8400  [linuxkpi_long_wq_2]
100026                   D       -       0xfffff800044a8400  [linuxkpi_long_wq_3]
100033                   D       -       0xfffff800044a8300  [firmware taskq]
100037                   D       -       0xfffff800044a8100  [crypto_0]
100038                   D       -       0xfffff800044a8100  [crypto_1]
100054                   D       -       0xfffff8000486ce00  [vtnet0 rxq 0]
100055                   D       -       0xfffff8000486cd00  [vtnet0 txq 0]
100056                   D       -       0xfffff8000486cc00  [vtnet0 rxq 1]
100057                   D       -       0xfffff8000486cb00  [vtnet0 txq 1]
100059                   D       vtbslp  0xfffff80004864100  [virtio_balloon]
100063                   D       -       0xfffff800048b8a00  [mca taskq]
100065                   D       -       0xffffffff81e06840  [deadlkres]
100072                   D       -       0xfffff80004b7de00  [acpi_task_0]
100073                   D       -       0xfffff80004b7de00  [acpi_task_1]
100074                   D       -       0xfffff80004b7de00  [acpi_task_2]
100076                   D       -       0xfffff80004683e00  [CAM taskq]
  810     1   436     0  Z                                   dhclient
  811     1   436     0  Z                                   dhclient
db> show all locks
Process 813 (syz-executor.0) thread 0xfffffe005577e800 (100094)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff80018b0e988) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_usrreq.c:7005
Process 12 (intr) thread 0xfffffe000410c500 (100032)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094c47380) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1311
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff80018b0ee88) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_input.c:4972
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        30935         1814K        31002
              kobj          332         1328K          492
            newblk          434         1133K          476
          vfscache            3         1025K            3
               pcb           25          541K           81
          inodedep           55          533K           77
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          111          234K          872
            acpica         1674          184K        55181
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           17          132K           21
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          114
            linker          287          101K          313
               bus          995           81K         3509
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          507           64K          507
          filedesc            5           37K           17
           kdtrace          180           36K          941
              umtx          270           34K          270
              temp           23           33K         1690
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          122           31K          132
               msg            4           30K            4
        gtaskqueue           18           26K           18
              vmem            3           25K            3
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           11           18K           11
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1719
            ifaddr           39           13K           41
            KTRACE          100           13K          100
              kenv           93           12K           93
      eventhandler          133           12K          133
              rman           84           10K          425
              GEOM           60           10K          489
         bmsafemap            3            9K           46
              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
             ifnet            4            7K            4
            sglist            5            7K            5
           CAM DEV            3            6K          510
         taskqueue           57            6K           57
           lltable           19            6K           19
            kqueue           55            6K          818
       ether_multi           68            6K           78
              cred           21            6K          234
         CAM queue            5            6K         1528
            plimit           19            5K          344
       ufs_dirhash           24            5K           24
         in6_multi           35            5K           35
               UMA          263            5K          263
            dirrem           17            5K           28
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
            diradd           31            4K           42
          pf_ifnet            7            4K           10
          routetbl           17            4K           17
             hhook           13            4K           13
           pwddesc           51            4K          814
       fpukern_ctx            3            3K            3
           acpisem           22            3K           22
          terminal           11            3K           11
           session           22            3K           33
         proc-args           44            3K          522
         sctp_atcl            6            3K            6
           uidinfo            3            3K            8
         sctp_stro            2            2K            2
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           28            2K         7593
            Unitno           27            2K           41
           CAM XPT           22            2K          543
             lockf           15            2K           22
             mkdir           10            2K           22
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
            select            9            2K           33
         sctp_stri            2            1K            2
           softdep            1            1K            1
          indirdep            4            1K            4
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
            ip6ndp            6            1K            7
          sctp_ifa            7            1K            8
         newdirblk            7            1K           11
        CAM periph            4            1K          271
             ipsec            3            1K            3
          in_multi            3            1K            5
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
      linuxcurrent            3            1K            4
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
          sctp_ifn            3            1K            8
         sctp_atky            8            1K            8
               mld            3            1K            3
              igmp            3            1K            3
    chacha20random            1            1K            1
               tun            4            1K            4
               osd            3            1K           10
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
              ktls            1            1K            1
          procdesc            2            1K            8
       inpcbpolicy            7            1K          140
            feeder            7            1K            7
            DEVFSP            3            1K            3
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
             linux            5            1K            6
        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
            soname            5            1K         3231
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            4            1K           70
         sctp_athm            6            1K            6
          sctp_vrf            1            1K            1
          sctp_map            4            1K            4
              vnet            1            1K            1
           entropy            2            1K           38
          acpiintr            1            1K            1
               pmc            1            1K            1
              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_socko            0            0K            1
         sctp_iter            0            0K            5
         sctp_mvrf            0            0K            0
         sctp_timw            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            5
         sctp_aadr            0            0K            0
            mqdata            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
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            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
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
               amr            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
            pvscsi            0            0K            0
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            statfs            0            0K          196
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ag_tgt_map_t malloc            0            0K            0
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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     968       12248       0     254   38043648        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8589     981       14229       0     254    2449920        0
          BUF TRIE    144     168   13300         367       0      62    1939392        0
        malloc-384    384    4141       9        4142       0      30    1593600        0
       malloc-4096   4096     332       1         492       0       2    1363968        0
        malloc-128    128   10407       9       10481       0     126    1333248        0
       UMA Slabs 0    112   10092      21       10092       0     126    1132656        0
         FFS inode   1160     505      20         516       0       8     609000        0
        RADIX NODE    144    2197     180       21218       0      62     342288        0
         VM OBJECT    264     986      49       13274       0      30     273240        0
      malloc-65536  65536       4       0           4       0       1     262144        0
             VNODE    448     536      22         549       0      30     249984        0
        256 Bucket   2048     106      14       10323       0       8     245760        0
            THREAD   1792     126       9         126       0       8     241920        0
         malloc-64     64    3686      94        4646       0     254     241920        0
       malloc-4096   4096      57       0        1430       0       2     233472        0
            DEVCTL   1024       0     216         119       0       0     221184        0
         malloc-16     16   13005     245       14308       0     254     212000        0
      malloc-65536  65536       2       1          10       0       1     196608        0
      malloc-65536  65536       1       2         137       0       1     196608        0
         UMA Zones    768     235       4         235       0      16     183552        0
         malloc-32     32    4915     125        5822       0     254     161280        0
        malloc-128    128    1136      73       25792       0     126     154752        0
       FFS2 dinode    256     505      20         514       0      62     134400        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          50       0       1     131072        0
        malloc-128    128     836     187        1124       0     126     130944        0
       malloc-1024   1024     120       4         132       0      16     126976        0
        malloc-256    256     458      37         638       0      62     126720        0
          ksiginfo    112      39    1005          56       0     126     116928        0
         MAP ENTRY     96     987     231       39874       0     126     116928        0
       S VFS Cache    104     983     109        1024       0     126     113568        0
         vmem btag     56    1917      87        1917       0     254     112224        0
      malloc-32768  32768       1       2         131       0       1      98304        0
           VMSPACE   2544      28       8         792       0       4      91584        0
       malloc-2048   2048       3      39        1730       0       8      86016        0
          UMA Kegs    384     220       3         220       0      30      85632        0
            clpbuf   2624       0      32          14       0      16      83968        0
              PROC   1320      52       5         813       0       8      75240        0
             g_bio    408       0     170        4421       0      30      69360        0
         filedesc0   1072      51      12         814       0       8      67536        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-16384  16384       2       2         178       0       1      65536        0
       malloc-8192   8192       5       3          33       0       1      65536        0
       malloc-8192   8192       7       1           9       0       1      65536        0
        128 Bucket   1024      38      21         566       0      16      60416        0
       malloc-4096   4096      14       0          25       0       2      57344        0
       malloc-2048   2048      12      14         519       0       8      53248        0
        malloc-256    256     183      12         452       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       4       2         105       0       1      49152        0
        malloc-256    256     159      21         471       0      62      46080        0
       malloc-4096   4096      11       0          11       0       2      45056        0
         malloc-64     64     512     181        1595       0     254      44352        0
         32 Bucket    256      47     118        5461       0      62      42240        0
           DIRHASH   1024      34       6          34       0      16      40960        0
             NAMEI   1024       0      36       12433       0      16      36864        0
        malloc-512    512       2      70         510       0      30      36864        0
            pcpu-8      8    4261     347        4321       0     254      36864        0
        malloc-384    384      78      12         424       0      30      34560        0
            socket    944      20      16        1266       0     254      33984        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           8       0       1      32768        0
           pcpu-64     64     479      33         479       0     254      32768        0
         64 Bucket    512      53      11        1374       0      30      32768        0
        malloc-256    256      84      36         872       0      62      30720        0
         malloc-64     64     252     189        9613       0     254      28224        0
        malloc-384    384      61       9          84       0      30      26880        0
         malloc-64     64     267     111       13785       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128     137      49         495       0     126      23808        0
             tcpcb   1048       3      19           7       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      54       6          54       0      30      23040        0
         TURNSTILE    136     136      32         136       0      62      22848        0
       malloc-2048   2048       5       5         261       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
        malloc-128    128     140      15         158       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      53      22          61       0      62      19200        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       3       1           5       0       2      16384        0
       malloc-1024   1024       2      14          45       0      16      16384        0
       malloc-1024   1024      16       0          16       0      16      16384        0
         malloc-32     32      29     475         829       0     254      16128        0
         malloc-32     32      51     453        1084       0     254      16128        0
         malloc-32     32     268     236         441       0     254      16128        0
          8 Bucket     80      39     161         498       0     126      16000        0
        malloc-128    128     101      23         780       0     126      15872        0
        malloc-256    256      22      38         313       0      62      15360        0
        malloc-256    256      38      22         444       0      62      15360        0
        malloc-256    256      34      26         104       0      62      15360        0
        SLEEPQUEUE     88     136      24         136       0     126      14080        0
       malloc-4096   4096       1       2         201       0       2      12288        0
       malloc-2048   2048       2       4          14       0       8      12288        0
       malloc-2048   2048       3       3           5       0       8      12288        0
       malloc-2048   2048       3       3         194       0       8      12288        0
       malloc-1024   1024       8       4         183       0      16      12288        0
        malloc-512    512       9      15         127       0      30      12288        0
             Files     80      90      60        6771       0     126      12000        0
        malloc-128    128      59      34        3125       0     126      11904        0
              kenv    258      15      30        1052       0      30      11610        0
             unpcb    256      11      34        1105       0     254      11520        0
         sctp_asoc   2288       2       3           2       0     254      11440        0
              pipe    744      11       4         298       0      16      11160        0
       malloc-4096   4096       1       1           3       0       2       8192        0
       malloc-2048   2048       1       3          41       0       8       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
       malloc-1024   1024       2       6         950       0      16       8192        0
       malloc-1024   1024       3       5           3       0      16       8192        0
       malloc-1024   1024       3       5           8       0      16       8192        0
        malloc-512    512       4      12           4       0      30       8192        0
        malloc-512    512       4      12          11       0      30       8192        0
        malloc-512    512       3      13          62       0      30       8192        0
        sctp_raddr    736       4       7           4       0     254       8096        0
           rtentry    176      17      29          21       0      62       8096        0
              PGRP     88      22      70          33       0     126       8096        0
          rl_entry     40      32     170          32       0     254       8080        0
             udpcb     32       2     250         129       0     254       8064        0
               PWD     32      13     239         104       0     254       8064        0
         malloc-64     64      47      79         331       0     254       8064        0
         malloc-64     64       8     118          13       0     254       8064        0
         malloc-64     64       8     118          47       0     254       8064        0
         malloc-64     64      35      91          57       0     254       8064        0
         malloc-32     32      38     214         204       0     254       8064        0
         malloc-32     32     126     126         161       0     254       8064        0
         malloc-32     32       8     244          31       0     254       8064        0
         malloc-32     32      24     228        2708       0     254       8064        0
         16 Bucket    144      37      19         195       0      62       8064        0
          4 Bucket     48       5     163          51       0     254       8064        0
          2 Bucket     32      47     205         505       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1066       0     254       8016        0
             KNOTE    160       8      42          54       0      62       8000        0
         malloc-16     16      28     472         102       0     254       8000        0
         malloc-16     16      39     461         267       0     254       8000        0
         malloc-16     16      41     459         210       0     254       8000        0
         malloc-16     16      10     490          18       0     254       8000        0
         malloc-16     16       8     492           9       0     254       8000        0
         malloc-16     16     263     237         268       0     254       8000        0
         malloc-16     16      14     486       24971       0     254       8000        0
        malloc-128    128      34      28         166       0     126       7936        0
             ripcb    488       1      15           4       0     254       7808        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
         udp_inpcb    488       3      13         129       0     254       7808        0
     routing nhops    256      14      16          21       0      62       7680        0
       mbuf_packet    256       3      27         120       0     254       7680        0
        malloc-384    384       7      13           7       0      30       7680        0
        malloc-384    384      10      10          12       0      30       7680        0
        malloc-384    384       1      19          21       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       1      83           7       0     254       4032        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
        sctp_chunk    152       2      24           2       0     254       3952        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
           sctp_ep   1280       2       1           2       0     254       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      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_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_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb    704       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
     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
           NCLNODE    584       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           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-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-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-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-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 2021/03/21 08:43 freebsd-src 839fdcfc0c1d 17810eae console log report syz panic: to_ticks == 0 for timer type 5
ci-freebsd-main 2021/03/21 08:28 freebsd-src 839fdcfc0c1d 17810eae console log report panic: to_ticks == 0 for timer type 5
* Struck through repros no longer work on HEAD.