syzbot


Fatal trap 9: general protection fault in sctp_timer_stop

Status: closed as invalid on 2022/04/17 16:28
Reported-by: syzbot+fd95cbe9849f99b69f3b@syzkaller.appspotmail.com
First crash: 1337d, last: 1023d

Sample crash report:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer	= 0x20:0xffffffff82cb1aa2
stack pointer	        = 0x0:0xfffffe000364c720
frame pointer	        = 0x0:0xfffffe000364c760
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 12 (swi4: clock (0))
trap number		= 9
panic: general protection fault
cpuid = 0
time = 1598548594
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe000364c3f0
vpanic() at vpanic+0x1c7/frame 0xfffffe000364c450
panic() at panic+0x43/frame 0xfffffe000364c4b0
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe000364c530
trap() at trap+0xf7/frame 0xfffffe000364c650
calltrap() at calltrap+0x8/frame 0xfffffe000364c650
--- trap 0x9, rip = 0xffffffff82cb1aa2, rsp = 0xfffffe000364c720, rbp = 0xfffffe000364c760 ---
sctp_timer_stop() at sctp_timer_stop+0x3a2/frame 0xfffffe000364c760
sctp_stop_association_timers() at sctp_stop_association_timers+0xf9/frame 0xfffffe000364c790
sctp_free_assoc() at sctp_free_assoc+0x2b6/frame 0xfffffe000364c820
sctp_threshold_management() at sctp_threshold_management+0x30b/frame 0xfffffe000364c870
sctp_t3rxt_timer() at sctp_t3rxt_timer+0x1b8/frame 0xfffffe000364c940
sctp_timeout_handler() at sctp_timeout_handler+0x594/frame 0xfffffe000364ca00
softclock_call_cc() at softclock_call_cc+0x1f7/frame 0xfffffe000364cad0
softclock() at softclock+0xb0/frame 0xfffffe000364cb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe000364cbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe000364cbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe000364cbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100020 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1488756(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b  ll+0x1a
es                        0x3b  ll+0x1a
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx                       0x80  ll+0x5f
rdx         0xffffffff818e2d4d
rbx                          0
rsp         0xfffffe000364c3d0
rbp         0xfffffe000364c3f0
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11                     0x224e  ll+0x222d
r12         0xffffffff82068ef0  ddb_dbbe
r13                          0
r14         0xffffffff8192d3df
r15         0xffffffff8192d3df
rip         0xffffffff810cd727  kdb_enter+0x67
rflags                    0x86  ll+0x65
kdb_enter+0x67: movq    $0,0x1488756(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004301520:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82508af0
 ABI: null
 reaper: 0xffffffff82508af0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff82509740
   (map 0xffffffff82509740)
   (map.pmap 0xffffffff82509800)
   (pmap 0xffffffff82509860)
 threads: 23
100012                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100017                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 0                       [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 1                       [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
85932   786   786     0  R                                   syz-executor.0
 4419     1  4419    65  Ss      select  0xfffff8001bb77f40  dhclient
  833     1   833     0  Ss      select  0xfffff800040f65c0  dhclient
  823     1   823     0  Ss      select  0xfffff800040f6a40  dhclient
  786   784   786     0  Rs                                  syz-executor.0
  784   782   782     0  S       (threaded)                  syz-execprog
100102                   S       uwait   0xfffff80004a9df00  syz-execprog
100105                   S       uwait   0xfffff80004aa0300  syz-execprog
100106                   S       uwait   0xfffff80004aa0400  syz-execprog
100107                   S       uwait   0xfffff80004aa0500  syz-execprog
100108                   S       uwait   0xfffff80004aa0600  syz-execprog
100109                   S       uwait   0xfffff80004538580  syz-execprog
100110                   S       kqread  0xfffff80004c61000  syz-execprog
100119                   S       uwait   0xfffff80004a9dd00  syz-execprog
  782   780   782     0  Ss      pause   0xfffff8001b26d5c8  csh
  780   682   780     0  Ss      select  0xfffff800040f68c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffff80004862cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004bd30b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004bd34b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80004bd38b0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80004bd3cb0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80004bd60b0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80004bd64b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80004bd68b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80004bd6cb0  getty
  686     1   686     0  Ss      nanslp  0xffffffff825295e1  cron
  682     1   682     0  Ss      select  0xfffff800040f6cc0  sshd
  495     1   495     0  Ss      select  0xfffff80004aa2740  syslogd
  424     1   424     0  Ss      select  0xfffff80004aa0cc0  devd
  423     1   423    65  Ss      select  0xfffff80004aa2640  dhclient
  338     1   338     0  Ss      select  0xfffff80004538640  dhclient
  335     1   335     0  Ss      select  0xfffff80004aa26c0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff800043cb520  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff826166e8  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff82615a30  [bufdaemon]
100077                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100087                   D       sdflush 0xfffff8000485fce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff8263cc48  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff826310f8  [dom0]
100075                   D       launds  0xffffffff82631104  [laundry: dom0]
100076                   D       umarcl  0xffffffff814d1030  [uma]
   18     0     0     0  RL                                  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82cd62f8  [sctp_iterator]
   16     0     0     0  RL                                  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261502c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261502c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261502c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261502c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff82234f40  [doneq0]
100067                   D       -       0xffffffff82234e10  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff800043c8090  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff800043c8030  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8262e5e0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80004399c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82508550  [g_event]
100026                   D       -       0xffffffff82508558  [g_up]
100027                   D       -       0xffffffff82508560  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004331800  [thr_0]
100019                   D       -       0xfffff80004331880  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100017                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 0                       [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 1                       [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004304000  [init]
   10     0     0     0  DL      audit_w 0xffffffff8262eb00  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82508af0  [swapper]
100005                   D       -       0xfffff800040e3000  [softirq_0]
100006                   D       -       0xfffff800040e2d00  [softirq_1]
100007                   D       -       0xfffff800040e2c00  [if_io_tqg_0]
100008                   D       -       0xfffff800040e2b00  [if_io_tqg_1]
100009                   D       -       0xfffff800040e2a00  [if_config_tqg_0]
100010                   D       -       0xfffff80004334100  [in6m_free taskq]
100011                   D       -       0xfffff80004334000  [thread taskq]
100013                   D       -       0xfffff80004331d00  [inm_free taskq]
100014                   D       -       0xfffff80004331c00  [kqueue_ctx taskq]
100015                   D       -       0xfffff80004331b00  [aiod_kick taskq]
100024                   D       -       0xfffff80004331700  [firmware taskq]
100029                   D       -       0xfffff80004331600  [crypto_0]
100030                   D       -       0xfffff80004331600  [crypto_1]
100044                   D       -       0xfffff80004331300  [vtnet0 rxq 0]
100045                   D       -       0xfffff80004331200  [vtnet0 txq 0]
100046                   D       -       0xfffff80004331100  [vtnet0 rxq 1]
100047                   D       -       0xfffff80004331000  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff800045aba00  [virtio_balloon]
100053                   D       -       0xfffff80004332c00  [mca taskq]
100058                   RunQ                                [deadlkres]
100063                   D       -       0xfffff80004af2000  [acpi_task_0]
100064                   D       -       0xfffff80004af2000  [acpi_task_1]
100065                   D       -       0xfffff80004af2000  [acpi_task_2]
100066                   D       -       0xfffff80004331400  [CAM taskq]
db> show all locks
Process 85932 (syz-executor.0) thread 0xfffffe002666a700 (100121)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00266af1a0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4379
Process 12 (intr) thread 0xfffffe00049cee00 (100020)
exclusive sleep mutex sctp-send-tcb (tcbs) r = 0 (0xfffffe00266071c0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4736
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00266071a0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:1766
Process 12 (intr) thread 0xfffffe00049ce000 (100022)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8001ba89968) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:1338
shared rw sctp-info (sctp-info) r = 0 (0xfffffe00049405b8) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:1311
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4214         4854K         4242
          tcp_hpts            5         3201K            5
          inodedep         3348         2186K        85191
             vtbuf           24         1968K           46
         sysctloid        28062         1637K        28126
              kobj          335         1340K          494
          vfscache            4         1025K            4
            newblk            2         1025K        85498
            dirrem         3345          837K        85132
               pcb           46          564K       170285
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         sctp_timw         1850          463K         1850
          freefile         3345          419K        85127
           subproc          115          226K        86000
            acpica         1674          185K        52414
         vnet_data            1          168K            1
           pagedep            3          129K        85128
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          102          102K          113
            linker          254           99K          287
               bus          975           79K         3338
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          505           64K          505
          filedesc            5           37K       170219
               BPF           19           36K           19
              umtx          270           34K          270
              temp           23           33K         1747
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          158           31K       171928
            DEVFS3          121           31K          131
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
              vmem            3           26K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
         ufs_mount            5           17K            6
              proc            3           17K            3
            ifaddr           43           17K           43
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           99           16K           99
            bus-sc           30           14K         1405
         sctp_atcl           25           13K       170205
            KTRACE          100           13K          100
         sctp_stro           12           12K        85102
              kenv           92           12K           92
      eventhandler          132           12K          132
         pfs_nodes           20           10K           20
              GEOM           60           10K          489
              rman           82           10K          423
         bmsafemap            3            9K        85155
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          233            8K          291
           lltable           19            7K           20
             ifnet            4            7K            4
           CAM DEV            3            6K          510
       ether_multi           73            6K           78
                vt           11            6K           11
              cred           21            6K          306
            kqueue           50            6K        85937
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
         in6_multi           41            5K           41
       ufs_dirhash           24            5K           24
            plimit           18            5K          450
               UMA          250            5K          250
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          routetbl           18            4K           18
          pf_ifnet            7            4K           10
             hhook           13            4K           13
           session           23            3K           42
              pgrp           23            3K           42
           acpisem           22            3K           22
          terminal           11            3K           11
            select           21            3K           21
           uidinfo            3            3K           14
         proc-args           40            3K          544
             lockf           20            3K           42
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
         sctp_atky           38            2K       255309
           CAM XPT           22            2K          543
            Unitno           26            2K           40
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
          sctp_ifa            8            1K           10
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           78
      NFSD session            1            1K            1
            ip6ndp            6            1K            9
        CAM periph            4            1K          271
             ipsec            3            1K            3
          in_multi            3            1K            4
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
 encap_export_host           12            1K           12
            crypto            3            1K            3
         sctp_stri            1            1K            2
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
              cdev            2            1K            2
         sctp_athm           25            1K       170206
          sctp_ifn            3            1K           10
          sctp_map           24            1K       170204
               mld            3            1K            3
              igmp            3            1K            3
               tun            4            1K            4
               osd            3            1K            9
            DEVFSP            5            1K            5
            ip6opt            2            1K       170161
             mkdir            2            1K       170224
            vnodes            1            1K            1
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
       inpcbpolicy            7            1K          148
        loginclass            3            1K            7
            prison            6            1K            6
            soname            5            1K        91096
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
          freework            1            1K        85128
         newdirblk            1            1K        85112
            diradd            1            1K        85151
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
         sctp_aadr            1            1K            1
           entropy            2            1K           43
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           81
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        85079
         sctp_iter            0            0K            5
         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            5
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
           ath_hal            0            0K            0
        madt_table            0            0K            2
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
            pvscsi            0            0K            0
          smartpqi            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
       fpukern_ctx            0            0K            0
      midi buffers            0            0K            0
          xen_intr            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
           CAM CCB            0            0K         2824
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
          tempbuff            0            0K            0
           UMAHash            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K        77036
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           20
           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        85127
          freefrag            0            0K            6
        allocindir            0            0K            0
          indirdep            0            0K            4
       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
lDevFlags * malloc            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
tiDeviceHandle_t * malloc            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
ag_portal_data_t malloc            0            0K            0
            statfs            0            0K        85322
       export_host            0            0K            0
        cl_savebuf            0            0K            2
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
            MPSSAS            0            0K            0
          mbuf_tag            0            0K           52
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        98771
          ioctlops            0            0K           90
           Witness            0            0K            0
             stack            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
        md_sectors            0            0K            0
              sbuf            0            0K          288
           md_disk            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           malodev            0            0K            0
              SWAP            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K          634
            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
                ix            0            0K            0
            ipsbuf            0            0K            0
            iirbuf            0            0K            0
             cache            0            0K            0
       aacraid_buf            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
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
           NFS FHA            0            0K            0
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
NFSCL diroffdiroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            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
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9272     126        9272       0     254   19247104        0
             65536  65536       0     110         181       0       1    7208960        0
               512    512    3410   10246       85329       0      30    6991872        0
             32768  32768       0     112         112       0       1    3670016        0
               256    256    3575   10315      512491       0      62    3555840        0
               256    256      31   13679       77427       0      62    3509760        0
       mbuf_packet    256    8206     938      107703       0     254    2340864        0
             16384  16384       4     134         143       0       1    2260992        0
               512    512    4122      22        4124       0      30    2121728        0
   mbuf_jumbo_page   4096       0     508          10       0     254    2080768        0
          BUF TRIE    144     187   13281        1086       0      62    1939392        0
               128    128    3668   10468       85620       0     126    1809408        0
         sctp_asoc   2288      12     753       85102       0     254    1750320        0
              4096   4096     335       3         494       0       2    1384448        0
               128    128    9229     102        9279       0     126    1194368        0
       UMA Slabs 0    112    9041      25        9041       0     126    1015392        0
           sctp_ep   1280      12     750       85102       0     254     975360        0
              pbuf    832       0     969           0       0       2     806208        0
            socket    960      21     743       86334       0     254     733440        0
              8192   8192       8      77         117       0       1     696320        0
        sctp_raddr    736      11     759       85102       0     254     566720        0
             tcpcb   1040       3     514           7       0     254     537680        0
               256    256    1867      68        2482       0      62     495360        0
        RADIX NODE    144    2465     220     1794208       0      62     386640        0
        256 Bucket   2048     163      21         802       0       8     376832        0
             VNODE    496     530     102       85659       0      30     313472        0
              2048   2048      18     134       88695       0       8     311296        0
         VM OBJECT    264     948     102     1112544       0      30     277200        0
         64 Bucket    512     457      71       33458       0      30     270336        0
              4096   4096      13      52          92       0       2     266240        0
              mbuf    256     404     622      257702       0     254     262656        0
             65536  65536       4       0           4       0       1     262144        0
         tcp_inpcb    488       3     509           7       0     254     249856        0
         udp_inpcb    488       2     510         136       0     254     249856        0
            THREAD   1792     126       9         126       0       8     241920        0
                64     64    2903     688       88016       0     254     229824        0
              4096   4096      48       6       85933       0       2     221184        0
             g_bio    408       0     510        8950       0      30     208080        0
                16     16   11855     645      352541       0     254     200000        0
               128    128    1252     267      285655       0     126     194432        0
        128 Bucket   1024     132      47        5092       0      16     183296        0
       FFS2 dinode    256     499     191       85626       0      62     176640        0
               512    512       4     340         436       0      30     176128        0
         UMA Zones    768     225       2         225       0      16     174336        0
                32     32    4465     701      175427       0     254     165312        0
         32 Bucket    256     405     225        8450       0      62     161280        0
              1024   1024      11     141        1163       0      16     155648        0
         vmem btag     56    2436     216        2436       0     254     148512        0
               128    128     941     144        1951       0     126     138880        0
             65536  65536       2       0           2       0       1     131072        0
             65536  65536       2       0           2       0       1     131072        0
              1024   1024     102      26         116       0      16     131072        0
             unpcb    256      11     499        1061       0     254     130560        0
             ripcb    488       2     254           5       0     254     124928        0
         MAP ENTRY     96     927     333     1487419       0     126     120960        0
          ksiginfo    112      49     995         151       0     126     116928        0
         FFS inode    160     499     201       85626       0      62     112000        0
       S VFS Cache    104     603     411       86490       0     126     105456        0
             16384  16384       2       4       85109       0       1      98304        0
           VMSPACE   2536      25      11       85913       0       4      91296        0
              PROC   1312      47      19       85932       0       8      86592        0
                64     64     526     797       86693       0     254      84672        0
         filedesc0   1080      48      29       85933       0       8      83160        0
          UMA Kegs    384     211       5         211       0      30      82944        0
              2048   2048       8      32          54       0       8      81920        0
        sctp_chunk    152       3     517           3       0     254      79040        0
                64     64     535     536       14949       0     254      68544        0
             65536  65536       1       0           1       0       1      65536        0
             65536  65536       0       1           8       0       1      65536        0
             32768  32768       2       0           2       0       1      65536        0
              1024   1024      17      47       85121       0      16      65536        0
              1024   1024       7      57         146       0      16      65536        0
               512    512      41      79      170731       0      30      61440        0
               256    256      61     149       85862       0      62      53760        0
               128    128      17     386       85129       0     126      51584        0
               256    256     136      59         162       0      62      49920        0
               256    256      24     171      170463       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48      353277       0      16      49152        0
             16384  16384       3       0           3       0       1      49152        0
              4096   4096      11       1          11       0       2      49152        0
              4096   4096      11       1         402       0       2      49152        0
               512    512      87       9          88       0      30      49152        0
          syncache    168       0     264           5       0     254      44352        0
            clpbuf    832       0      48          88       0      16      39936        0
           64 pcpu      8    3881     727        3883       0     254      36864        0
             selfd     64      46     521        4711       0     254      36288        0
                64     64      22     545          46       0     254      36288        0
                64     64      72     495       85986       0     254      36288        0
                64     64     143     424         145       0     254      36288        0
                64     64      27     540         331       0     254      36288        0
          8 Bucket     80      72     378      230317       0     126      36000        0
               128    128      33     246          53       0     126      35712        0
               128    128      97     182          99       0     126      35712        0
               128    128      13     266         338       0     126      35712        0
     routing nhops    256      11     124          24       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      15     120       85157       0      62      34560        0
               256    256      28     107          28       0      62      34560        0
             32768  32768       1       0           1       0       1      32768        0
              8192   8192       4       0           4       0       1      32768        0
              8192   8192       3       1           5       0       1      32768        0
              4096   4096       2       6       85325       0       2      32768        0
              2048   2048       5      11           5       0       8      32768        0
              1024   1024       2      30           7       0      16      32768        0
              1024   1024      17      15          17       0      16      32768        0
              1024   1024      12      20          12       0      16      32768        0
               512    512       1      63          22       0      30      32768        0
               512    512      25      39          25       0      30      32768        0
               512    512       8      56          10       0      30      32768        0
     mt_stats_zone     64     445      67         445       0     254      32768        0
sctp_stream_msg_out    112       0     288           1       0     254      32256        0
          2 Bucket     32     287     721       20376       0     254      32256        0
             KNOTE    160       8     192      511819       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80      94     306      262255       0     126      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588           7       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
               PWD     32      13     869       85216       0     254      28224        0
                32     32     284     598         356       0     254      28224        0
                32     32      58     824      259074       0     254      28224        0
         16 Bucket    144      53     143         494       0      62      28224        0
          4 Bucket     48      18     570      272881       0     254      28224        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
              pipe    760      11      24         313       0      16      26600        0
         TURNSTILE    136     136      53         136       0      62      25704        0
           rtentry    176      20     118          24       0      62      24288        0
          rl_entry     40      38     568          38       0     254      24240        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     136     120         136       0     126      22528        0
             udpcb     32       2     628         136       0     254      20160        0
                64     64       1     314           2       0     254      20160        0
                32     32       9     621          12       0     254      20160        0
                32     32      12     618         155       0     254      20160        0
                32     32      63     567         708       0     254      20160        0
                32     32      43     587         224       0     254      20160        0
          procdesc    136       2     143           8       0      62      19720        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
             16384  16384       1       0           1       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              2048   2048       1       7           1       0       8      16384        0
              2048   2048       1       7           1       0       8      16384        0
              2048   2048       2       6           2       0       8      16384        0
              2048   2048       6       2         197       0       8      16384        0
              1024   1024       7       9           7       0      16      16384        0
      vtnet_tx_hdr     24       0     668        1033       0     254      16032        0
           mt_zone     24     445     223         445       0     254      16032        0
              kenv    258       3      57         999       0      30      15480        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
                32     32      97     281         206       0     254      12096        0
                16     16       1     749       85083       0     254      12000        0
                16     16      25     725          64       0     254      12000        0
                16     16     291     459         480       0     254      12000        0
                16     16      18     732          20       0     254      12000        0
                16     16     180     570        1342       0     254      12000        0
                16     16      21     729       23911       0     254      12000        0
                16     16       7     743          13       0     254      12000        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
              4096   4096       1       1           1       0       2       8192        0
           SMR CPU     32       2     253           2       0     254       8160        0
        SMR SHARED     24       2     253           2       0     254       6120        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
          int pcpu      4      34     478          34       0     254       2048        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          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
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    280       0       0           0       0      30          0        0
             AIOCB    752       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    232       0       0           0       0      62          0        0
      TMPFS dirent     64       0       0           0       0     254          0        0
           NCLNODE    592       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
             rentr     24       0       0           0       0     254          0        0
         VNODEPOLL    120       0       0           0       0     126          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          0        0
      nvme_request    128       0       0           0       0     126          0        0
   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    832       0       0           0       0      62          0        0
            mdpbuf    832       0       0           0       0       4          0        0
           nfspbuf    832       0       0           0       0      16          0        0
            swwbuf    832       0       0           0       0       8          0        0
            swrbuf    832       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              4096   4096       0       0           0       0       2          0        0
              2048   2048       0       0           0       0       8          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (232):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/08/27 17:27 freebsd fd597f085c48 816e0689 console log report syz ci-freebsd-i386
2020/08/26 21:29 freebsd 4c8927672dd0 318430cb console log report syz ci-freebsd-i386
2021/02/18 11:47 freebsd-src 2ed689a674c3 14052202 console log report ci-freebsd-main Fatal trap 9: general protection fault in sctp_timer_stop
2021/02/18 10:44 freebsd-src 2ed689a674c3 14052202 console log report ci-freebsd-main Fatal trap 9: general protection fault in sctp_timer_stop
2021/01/24 14:48 freebsd-src b22fdf45ff8e 52e37319 console log report ci-freebsd-main Fatal trap 9: general protection fault in sctp_timer_stop
2021/07/06 07:11 freebsd-src e41fde3ed71c 6c4484eb console log report ci-freebsd-i386 Fatal trap 9: general protection fault in sctp_timer_stop
2021/06/29 03:06 freebsd-src f94360971e64 9d2ab5df console log report ci-freebsd-i386 Fatal trap 9: general protection fault in sctp_timer_stop
2021/01/02 00:10 freebsd de1aa3dab23c 79264ae3 console log report ci-freebsd-main
2020/12/07 02:08 freebsd c52fe71eb09e c521566d console log report ci-freebsd-main
2020/12/02 01:22 freebsd ec388efe923c c42a35e9 console log report ci-freebsd-main
2020/11/28 13:43 freebsd 21c5c4014c5a 76b4dcc7 console log report ci-freebsd-main
2020/11/18 12:22 freebsd 7b82af2e8801 09323409 console log report ci-freebsd-main
2020/11/17 22:14 freebsd e907c380568e 09323409 console log report ci-freebsd-main
2020/11/15 17:36 freebsd 7d967e2081cc 1bf9a662 console log report ci-freebsd-main
2020/11/02 21:05 freebsd 0f31f3911eee f7362256 console log report ci-freebsd-main
2020/10/31 06:50 freebsd 0381b3d8be3e 18e33098 console log report ci-freebsd-main
2020/10/28 04:21 freebsd d3d5c5f26058 96e03c1c console log report ci-freebsd-main
2020/10/07 12:25 freebsd 95b6a175ddeb 1880b4a9 console log report ci-freebsd-main
2020/10/07 07:38 freebsd 95b6a175ddeb 1880b4a9 console log report ci-freebsd-main
2020/09/28 23:23 freebsd 021ba9101bdd 1b88c6d5 console log report ci-freebsd-main
2020/09/28 11:13 freebsd 375b2d2156f7 6bfdbe89 console log report ci-freebsd-main
2020/09/28 01:03 freebsd f7a34c99bc11 5dd8aee8 console log report ci-freebsd-main
2020/09/27 03:07 freebsd 00ca7875820d 5dd8aee8 console log report ci-freebsd-main
2020/08/26 13:16 freebsd 4c8927672dd0 318430cb console log report ci-freebsd-main
2020/09/29 15:12 freebsd 6495edc80bc1 5abc3f1a console log report ci-freebsd-i386
2020/09/29 12:54 freebsd 6495edc80bc1 1b88c6d5 console log report ci-freebsd-i386
2020/09/29 11:42 freebsd 6495edc80bc1 1b88c6d5 console log report ci-freebsd-i386
2020/09/28 21:56 freebsd 021ba9101bdd 1b88c6d5 console log report ci-freebsd-i386
2020/09/28 10:08 freebsd 375b2d2156f7 6bfdbe89 console log report ci-freebsd-i386
2020/09/28 08:19 freebsd 375b2d2156f7 6bfdbe89 console log report ci-freebsd-i386
2020/09/28 05:33 freebsd 375b2d2156f7 5dd8aee8 console log report ci-freebsd-i386
2020/09/28 03:47 freebsd 375b2d2156f7 5dd8aee8 console log report ci-freebsd-i386
2020/09/27 15:46 freebsd f7a34c99bc11 5dd8aee8 console log report ci-freebsd-i386
2020/09/27 00:53 freebsd 00ca7875820d 5dd8aee8 console log report ci-freebsd-i386
2020/09/26 14:30 freebsd c643799f58f4 2d5ea0cb console log report ci-freebsd-i386
2020/09/26 12:44 freebsd c643799f58f4 2d5ea0cb console log report ci-freebsd-i386
2020/09/25 15:48 freebsd 15ceb7403da7 4a006f63 console log report ci-freebsd-i386
2020/09/25 14:35 freebsd 15ceb7403da7 4a006f63 console log report ci-freebsd-i386
2020/09/25 02:01 freebsd 71e02448ffb1 54289b08 console log report ci-freebsd-i386
2020/09/25 00:03 freebsd 71e02448ffb1 54289b08 console log report ci-freebsd-i386
2020/09/24 12:35 freebsd 09a30ff729a7 54289b08 console log report ci-freebsd-i386
2020/09/24 11:15 freebsd 09a30ff729a7 54289b08 console log report ci-freebsd-i386
2020/09/23 22:38 freebsd 694d9e2fcf35 54289b08 console log report ci-freebsd-i386
2020/09/23 20:43 freebsd 694d9e2fcf35 54289b08 console log report ci-freebsd-i386
2020/09/23 09:23 freebsd 00a2dc82a116 287cd75a console log report ci-freebsd-i386
2020/09/23 08:22 freebsd 00a2dc82a116 287cd75a console log report ci-freebsd-i386
2020/09/23 00:42 freebsd 1fd77a2124da 9e1fa68e console log report ci-freebsd-i386
2021/01/17 09:45 freebsd-src b7ab6832cd98 65a7a854 console log report ci-freebsd-main
* Struck through repros no longer work on HEAD.