syzbot


Fatal trap 9: general protection fault in sctp_chunk_output

Status: auto-closed as invalid on 2021/04/28 18:14
Reported-by: syzbot+255fd5d00f3f03f76495@syzkaller.appspotmail.com
First crash: 1512d, last: 1395d

Sample crash report:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer	= 0x20:0xffffffff82cb3af5
stack pointer	        = 0x0:0xfffffe00516ab210
frame pointer	        = 0x0:0xfffffe00516abb20
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		= 17 (sctp_iterator)
trap number		= 9
panic: general protection fault
cpuid = 0
time = 1611857720
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00516aaee0
vpanic() at vpanic+0x1c7/frame 0xfffffe00516aaf40
panic() at panic+0x43/frame 0xfffffe00516aafa0
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe00516ab020
trap() at trap+0xf7/frame 0xfffffe00516ab140
calltrap() at calltrap+0x8/frame 0xfffffe00516ab140
--- trap 0x9, rip = 0xffffffff82cb3af5, rsp = 0xfffffe00516ab210, rbp = 0xfffffe00516abb20 ---
sctp_chunk_output() at sctp_chunk_output+0x1a35/frame 0xfffffe00516abb20
sctp_iterator_worker() at sctp_iterator_worker+0x6ef/frame 0xfffffe00516abb90
sctp_iterator_thread() at sctp_iterator_thread+0x5e/frame 0xfffffe00516abbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe00516abbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00516abbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 17 tid 100061 ]
Stopped at      kdb_enter+0x67: movq    $0,0x145250e(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx                       0x80
rdx         0xffffffff819131c9
rbx                          0
rsp         0xfffffe00516aaec0
rbp         0xfffffe00516aaee0
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10         0xaa0314ac00080005
r11                          0
r12         0xffffffff82067650  ddb_dbbe
r13                          0
r14         0xffffffff819bb7ff
r15         0xffffffff819bb7ff
rip         0xffffffff8110d4f7  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x145250e(%rip)
db> show proc
Process 17 (sctp_iterator) at 0xfffff800048c3528:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82512f30
 ABI: null
 flag: 0x10000204  flag2: 0
 reaper: 0xffffffff82512f30 reapsubtree: 17
 sigparent: 20
 vmspace: 0xffffffff82513b80
   (map 0xffffffff82513b80)
   (map.pmap 0xffffffff82513c40)
   (pmap 0xffffffff82513ca0)
 threads: 1
100061                   Run     CPU 0                       [sctp_iterator]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
29547 29546   436     0  R                                   ifconfig
29546 29526   436     0  S       wait    0xfffff80017a7ba50  sh
29545 29532 29532     0  R                                   ifconfig
29543   780   778     0  R                                   syz-fuzzer
29538   780 29538     0  Rs                                  syz-executor.0
29532   780 29532     0  Ss      wait    0xfffff80017c10000  syz-executor.3
29530   780 29530     0  Rs                                  syz-executor.2
29529     1 29529     0  Ss      select  0xfffff8006bb835c0  dhclient
29526 29519   436     0  S       wait    0xfffff80017c10a50  dhclient
29519   436   436     0  S       wait    0xfffff80017c24528  sh
  780   778   778     0  R       (threaded)                  syz-fuzzer
100090                   RunQ                                syz-fuzzer
100107                   RunQ                                syz-fuzzer
100108                   S       uwait   0xfffff80004e0fa00  syz-fuzzer
100109                   S       uwait   0xfffff80004e0fb00  syz-fuzzer
100110                   S       uwait   0xfffff80004e0fc00  syz-fuzzer
100111                   S       uwait   0xfffff80004e0fd00  syz-fuzzer
100112                   S       uwait   0xfffff80004e0fe00  syz-fuzzer
100113                   S       kqread  0xfffff80004d9f600  syz-fuzzer
100114                   S       piperd  0xfffff8007ad07000  syz-fuzzer
137069                   RunQ                                syz-fuzzer
  778   776   778     0  Ss      pause   0xfffff80004ec90b0  csh
  776   694   776     0  Ss      select  0xfffff80017525cc0  sshd
  760     1   760     0  Rs+                                 getty
  759     1   759     0  Ss+     ttyin   0xfffff80004c14cb0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004ba10b0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004ba14b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004ba18b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004ba1cb0  getty
  754     1   754     0  Ss+     ttyin   0xfffff800048d80b0  getty
  753     1   753     0  Ss+     ttyin   0xfffff800048d84b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff800048d88b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff82533161  cron
  694     1   694     0  Ss      select  0xfffff8000468a340  sshd
  507     1   507     0  Ss      select  0xfffff8000468a3c0  syslogd
  436     1   436     0  Ss      wait    0xfffff80004ec9a50  devd
  435     1   435    65  Ss      select  0xfffff8000468c640  dhclient
  350     1   350     0  Ss      select  0xfffff8000468c740  dhclient
  347     1   347     0  Ss      select  0xfffff80004b1fdc0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004dc2528  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff82622638  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff82621720  [bufdaemon]
100075                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100089                   D       sdflush 0xfffff80004f26ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82648c08  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff8263d078  [dom0]
100076                   D       launds  0xffffffff8263d084  [laundry: dom0]
100077                   D       umarcl  0xffffffff81527280  [uma]
   18     0     0     0  DL      -       0xffffffff823674f8  [rand_harvestq]
   17     0     0     0  RL      CPU 0                       [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82e73430  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261ecdc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261ecdc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261ecdc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261ecdc  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223f240  [doneq0]
100067                   D       -       0xffffffff8223f110  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004085088  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff8000452db90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000452db30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8263a590  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff825129a0  [g_event]
100026                   D       -       0xffffffff825129a8  [g_up]
100027                   D       -       0xffffffff825129b0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004463b00  [thr_0]
100019                   D       -       0xfffff80004463b80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100014                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100020                   I                                   [swi3: vm]
100021                   I                                   [swi1: netisr 0]
100022                   I                                   [swi4: clock (0)]
100023                   I                                   [swi4: clock (1)]
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                   Run     CPU 1                       [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004489528  [init]
   10     0     0     0  DL      audit_w 0xffffffff8263aab0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82512f30  [swapper]
100005                   D       -       0xfffff8000434ad00  [if_config_tqg_0]
100006                   D       -       0xfffff8000434ac00  [softirq_0]
100007                   D       -       0xfffff8000434ab00  [softirq_1]
100008                   D       -       0xfffff8000434aa00  [if_io_tqg_0]
100009                   D       -       0xfffff8000434a900  [if_io_tqg_1]
100010                   D       -       0xfffff80004088700  [thread taskq]
100011                   D       -       0xfffff80004088600  [aiod_kick taskq]
100013                   D       -       0xfffff80004088400  [kqueue_ctx taskq]
100015                   D       -       0xfffff80004088200  [in6m_free taskq]
100017                   D       -       0xfffff80004088000  [inm_free taskq]
100024                   D       -       0xfffff800044ccd00  [firmware taskq]
100028                   D       -       0xfffff800044ccc00  [crypto_0]
100029                   D       -       0xfffff800044ccc00  [crypto_1]
100044                   D       -       0xfffff80004686900  [vtnet0 rxq 0]
100045                   D       -       0xfffff80004686800  [vtnet0 txq 0]
100046                   D       -       0xfffff80004686700  [vtnet0 rxq 1]
100047                   D       -       0xfffff80004686600  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff8000468ce00  [virtio_balloon]
100053                   D       -       0xfffff800048e6700  [mca taskq]
100058                   D       -       0xffffffff81d63691  [deadlkres]
100062                   D       -       0xfffff800048e6600  [acpi_task_0]
100063                   D       -       0xfffff800048e6600  [acpi_task_1]
100064                   D       -       0xfffff800048e6600  [acpi_task_2]
100066                   D       -       0xfffff800044cc800  [CAM taskq]
29541 29538 29538     0  Z                                   ifconfig
db> show all locks
Process 29547 (ifconfig) thread 0xfffffe0094f4ea00 (167130)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe0094e2d060) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:2158
Process 29545 (ifconfig) thread 0xfffffe0094e1f700 (122019)
exclusive sleep mutex if_addr_lock (if_addr_lock) r = 0 (0xfffff80017a2d198) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:3460
exclusive sx in6_multi_sx (in6_multi_sx) r = 0 (0xffffffff82638a68) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6_mcast.c:1184
Process 17 (sctp_iterator) thread 0xfffffe0051b7de00 (100061)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0095166c70) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1515
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8006b9ab468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1475
exclusive sleep mutex sctp-it (iterator) r = 0 (0xffffffff82d2b7d8) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1452
shared rw sctp-info (sctp-info) r = 0 (0xfffffe00041b22d8) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1451
Process 12 (intr) thread 0xfffffe005f7b2a00 (100074)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8002595cb90) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_hpts.c:1536
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4244
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30605         1795K        30671
              kobj          329         1316K          489
            newblk            8         1026K        61812
          vfscache            3         1025K            3
               pcb          307          814K        61025
          inodedep           10          516K        45591
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          136          247K        29657
            acpica         1674          184K        58233
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           11          131K        62108
         sctp_stro          130          130K        12670
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
         sctp_atcl          273          103K        43671
            linker          278          100K          463
               bus          983           80K         3364
          filedesc           11           77K        55810
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          503           63K          503
            ifaddr          178           61K          241
              umtx          378           48K          378
           kdtrace          200           40K        96946
              temp           36           35K         9925
         hostcache            1           32K            1
               shm            1           32K          107
            DEVFS3          124           31K          134
               msg            4           30K            4
              vmem            3           28K            6
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
             lockf          181           21K         8834
        DEVFS_RULE           56           20K           56
         sctp_atky          416           19K        58814
               BPF           14           19K          238
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
         sctp_timw           58           15K           58
            bus-sc           32           14K         1598
            ip6ndp           55           13K          156
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           93           12K           93
         sctp_aadr          178           12K         3329
           lltable           37           11K          998
      eventhandler          129           11K          129
              ksem            7           11K          696
              cred           39           10K          936
              GEOM           60           10K          488
              rman           82           10K          423
         bmsafemap            3            9K        32881
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K           47
       pfs_vncache            1            8K            1
          sctp_ifa           60            8K          158
         pfs_nodes           20            8K           20
       ether_multi           93            8K         1666
     audit_evclass          236            8K          294
         sctp_stri           13            7K         3941
          pf_ifnet           18            7K          695
          routetbl           27            7K         1153
            sglist            5            7K            5
           CAM DEV            3            6K          510
           pf_osfp           52            6K           52
            kqueue           56            6K        29722
         in6_multi           46            6K          800
       ufs_dirhash           27            6K           27
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
            plimit           20            5K         2049
         sctp_athm          273            5K        45020
               UMA          260            5K          260
                vt           11            5K           11
          sctp_map          260            5K        25066
          pf_table            2            4K          258
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           pwddesc           53            4K        29548
            DEVFSP           53            4K         1030
             hhook           13            4K           13
          kcovinfo           48            3K          918
           session           23            3K          178
          terminal           11            3K           11
           acpisem           22            3K           22
         proc-args           46            3K         2025
           uidinfo            5            3K           88
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           28            2K       391567
           CAM XPT           22            2K          543
            Unitno           26            2K           88
       inpcbpolicy           42            2K        44033
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
            select            9            2K         2297
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
          in_multi            4            1K           70
       vnodemarker            2            1K         2706
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            diradd            7            1K        30980
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
             nhops            6            1K           26
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
             mkdir            5            1K        56292
            crypto            4            1K            4
 encap_export_host           12            1K           12
          sctp_ifn            4            1K          158
          indirdep            2            1K        17821
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
         newdirblk            3            1K        28146
    chacha20random            1            1K            1
               osd            3            1K           10
         sctp_iter            1            1K          288
            vnodes            1            1K          159
              ktls            1            1K            1
          procdesc            2            1K           68
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
        aesni_data            2            1K            2
           pf_rule            1            1K          905
     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        41563
        ip_msource            2            1K          131
          pmchooks            1            1K            1
            soname            4            1K        32885
          nexusdev            6            1K            6
          sctp_vrf            1            1K            1
           entropy            2            1K          131
       ip6_msource            1            1K           17
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
          mbuf_tag            1            1K         2377
           Per-cpu            1            1K            1
         sctp_a_it            1            1K          207
          p1003.1b            1            1K            1
          filecaps            1            1K          327
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        19870
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           85
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
            mqdata            0            0K            0
         ciss_data            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
            pvscsi            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
              iavf            0            0K            0
               ixl            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
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
          xen_intr            0            0K            0
           nvme_da            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K          358
              isci            0            0K            0
      iommu_dmamap            0            0K            0
      midi buffers            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
     vm_fictitious            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K       211501
           UMAHash            0            0K            0
               PUC            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K        91672
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K         1343
           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
            dirrem            0            0K        30728
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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    9687    9739      237287       0     254   79568896        0
              mbuf    256   10860   38520    25025387       0     254   12641280        0
           tcp_log    416   10000   20078      919727       0     254   12512448        0
              pbuf   2632       0     957           0       0       2    2518824        0
       UMA Slabs 0    112   21144      21       21144       0     126    2370480        0
          BUF TRIE    144     565   12903      152815       0      63    1939392        0
       malloc-4096   4096     395      16       30060       0       2    1683456        0
        malloc-384    384    4156      44        4686       0      30    1612800        0
        RADIX NODE    144    8652    2433     1221194       0      62    1596240        0
      mbuf_cluster   2048     705       3         710       0     254    1449984        0
        malloc-128    128   10122     139       11087       0     126    1313408        0
        sctp_chunk    152     452    7426       62274       0     254    1197456        0
        256 Bucket   2048     459       9       32651       0       8     958464        0
         sctp_asoc   2288     130     270       12523       0     254     915200        0
         FFS inode   1128     789       9       31430       0       8     900144        0
       tcp_bbr_map    128       0    6541     1205494       0     126     837248        0
      malloc-65536  65536       5       5        1830       0       1     655360        0
        sctp_raddr    736     191     590       21133       0     254     574816        0
       malloc-2048   2048     128     116       29628       0       8     499712        0
           sctp_ep   1280     130     245       27836       0     254     480000        0
         VM OBJECT    264    1500     270      466675       0      30     467280        0
             VNODE    488     826      54       31469       0      30     429440        0
            socket    944      54     390       77518       0     254     419136        0
      malloc-65536  65536       0       6         136       0       1     393216        0
        malloc-256    256     263    1162      134614       0      62     364800        0
            THREAD   1792     145      44       67397       0       8     338688        0
      malloc-32768  32768       1       8         295       0       1     294912        0
       malloc-2048   2048      14     130      212663       0       8     294912        0
      malloc-65536  65536       2       2         249       0       1     262144        0
       malloc-1024   1024     138     114       12457       0      16     258048        0
       FFS2 dinode    256     789     111       31429       0      62     230400        0
      malloc-32768  32768       0       7       16187       0       1     229376        0
            DEVCTL   1024      18     194         230       0       0     217088        0
         malloc-64     64    3179     160        3799       0     254     213696        0
      malloc-16384  16384       5       8       27878       0       1     212992        0
             g_bio    408       0     510      745292       0      30     208080        0
         malloc-16     16   12674     326       12997       0     254     208000        0
        malloc-128    128    1461      89       34574       0     126     198400        0
         MAP ENTRY     96    1174     884     1836428       0     126     197568        0
             tcpcb   1048      38     149        7090       0     254     195976        0
        malloc-384    384     274     236       44075       0      30     195840        0
       mbuf_packet    256      59     646      139016       0     254     180480        0
         UMA Zones    768     232       2         232       0      16     179712        0
         tcp_inpcb    488      38     322        7090       0     254     175680        0
         malloc-32     32    4873     545       49142       0     254     173376        0
        malloc-128    128     979     292      118340       0     126     162688        0
       S VFS Cache    104    1157     364       32775       0     126     158184        0
     udplite_inpcb    488       0     320       34640       0     254     156160        0
         vmem btag     56    2562      90        2708       0     254     148512        0
        128 Bucket   1024     114      25       12882       0      16     142336        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-16384  16384       6       2          19       0       1     131072        0
           VMSPACE   2544      30      21       29526       0       4     129744        0
            clpbuf   2632       0      48        9194       0      16     126336        0
       malloc-1024   1024     114       6         294       0      16     122880        0
          ksiginfo    112      66     978        2166       0     126     116928        0
        malloc-256    256     265     185       28495       0      62     115200        0
              PROC   1320      53      28       29547       0       8     106920        0
       malloc-4096   4096       6      20         118       0       2     106496        0
         64 Bucket    512     126      58       56770       0      30      94208        0
        malloc-256    256     203     157      106645       0      62      92160        0
         filedesc0   1072      53      31       29548       0       8      90048        0
         malloc-64     64     823     563       30691       0     254      88704        0
          UMA Kegs    384     218       5         218       0      30      85632        0
        malloc-128    128     374     277       37023       0     126      83328        0
       malloc-8192   8192       5       5         115       0       1      81920        0
        malloc-384    384     144      66        1197       0      30      80640        0
       malloc-4096   4096      12       5         551       0       2      69632        0
         malloc-64     64     786     285       28722       0     254      68544        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-16384  16384       0       4          24       0       1      65536        0
       malloc-8192   8192       7       1           9       0       1      65536        0
         32 Bucket    256      94     146       29176       0      62      61440        0
        malloc-256    256      66     159       70142       0      62      57600        0
       malloc-8192   8192       2       5          70       0       1      57344        0
         malloc-64     64     334     548      454360       0     254      56448        0
       malloc-2048   2048       6      18         460       0       8      49152        0
            pcpu-8      8    5101    1043       25026       0     254      49152        0
              pipe    744      20      40        2684       0      16      44640        0
        malloc-384    384       9     101       46023       0      30      42240        0
        malloc-256    256      28     137       35020       0      62      42240        0
           DIRHASH   1024      36       4          36       0      16      40960        0
        malloc-512    512      15      65        6572       0      30      40960        0
             Files     80     166     334      135742       0     126      40000        0
      tcp_rack_pcb    704      34      21         704       0      16      38720        0
             NAMEI   1024       1      35      164309       0      16      36864        0
             unpcb    256      11     124        5341       0     254      34560        0
        malloc-384    384      82       8         109       0      30      34560        0
        malloc-256    256       0     135       92030       0      62      34560        0
      malloc-32768  32768       0       1         117       0       1      32768        0
      malloc-16384  16384       1       1         154       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       4       4          66       0       2      32768        0
           pcpu-64     64     456      56         456       0     254      32768        0
        malloc-384    384      63      17          63       0      30      30720        0
       tcp_bbr_pcb    832       0      36        3078       0      16      29952        0
       malloc-4096   4096       2       5       28254       0       2      28672        0
       malloc-1024   1024      18      10        4589       0      16      28672        0
       malloc-1024   1024      21       7         289       0      16      28672        0
         TURNSTILE    136     190      20         190       0      62      28560        0
         malloc-32     32     293     589       44817       0     254      28224        0
          4 Bucket     48      10     578         824       0     254      28224        0
             KNOTE    160      38     137      285733       0      62      28000        0
          8 Bucket     80      74     276       15053       0     126      28000        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       0       6          63       0       2      24576        0
       malloc-2048   2048       0      12         106       0       8      24576        0
sctp_stream_msg_out    112      72     144        3589       0     254      24192        0
               PWD     32      15     741       27870       0     254      24192        0
         malloc-64     64      97     281       43456       0     254      24192        0
      vtnet_tx_hdr     24       2    1000     7760856       0     254      24048        0
            ttyinq    160     135      15         300       0      62      24000        0
            itimer    352       0      66         205       0      30      23232        0
     routing nhops    256      17      73         286       0      62      23040        0
           ttyoutq    256      72      18         160       0      62      23040        0
       malloc-1024   1024       3      17         858       0      16      20480        0
           rtentry    176      21      94         286       0      62      20240        0
         malloc-32     32      41     589       29760       0     254      20160        0
         16 Bucket    144      59      81        2767       0      62      20160        0
          2 Bucket     32      93     537        7374       0     254      20160        0
        malloc-128    128      71      84        5142       0     126      19840        0
        SLEEPQUEUE     88     190      34         190       0     126      19712        0
             ripcb    488       1      39         855       0     254      19520        0
         udp_inpcb    488       3      37        1448       0     254      19520        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      47      28         284       0      62      19200        0
      malloc-16384  16384       0       1           1       0       1      16384        0
       malloc-8192   8192       0       2          14       0       1      16384        0
       malloc-4096   4096       1       3        1455       0       2      16384        0
        malloc-512    512       1      31         164       0      30      16384        0
        malloc-512    512      11      21          67       0      30      16384        0
        sctp_laddr     48     106     230       10455       0     254      16128        0
             udpcb     32       3     501       36088       0     254      16128        0
         malloc-32     32     357     147       18471       0     254      16128        0
         malloc-16     16     266     734       39995       0     254      16000        0
         malloc-16     16     290     710       45079       0     254      16000        0
      tcp_rack_map    120      68      64         714       0     126      15840        0
       L VFS Cache    320       0      48          45       0      30      15360        0
       malloc-2048   2048       6       0           6       0       8      12288        0
         malloc-16     16     510     240       19503       0     254      12000        0
        malloc-128    128      63      30          99       0     126      11904        0
        sctp_readq    152       0      78        1605       0     254      11856        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2          35       0       8       8192        0
        malloc-512    512       4      12         569       0      30       8192        0
        malloc-512    512       0      16          60       0      30       8192        0
        malloc-512    512       3      13         102       0      30       8192        0
             tcptw     88       0      92           6       0     254       8096        0
              PGRP     88      23      69         185       0     126       8096        0
          rl_entry     40     105      97         115       0     254       8080        0
   sctp_asconf_ack     48       1     167          98       0     254       8064        0
         malloc-64     64      46      80          53       0     254       8064        0
         malloc-64     64       0     126         155       0     254       8064        0
         malloc-64     64      26     100          79       0     254       8064        0
         malloc-32     32      32     220        2488       0     254       8064        0
         malloc-32     32      80     172         185       0     254       8064        0
         malloc-32     32      28     224          85       0     254       8064        0
         malloc-16     16      11     489       12243       0     254       8000        0
         malloc-16     16      27     473       26933       0     254       8000        0
        malloc-128    128       6      56          21       0     126       7936        0
      tcp_log_node    120       0      66           5       0     126       7920        0
              kenv    258       3      27        1135       0      30       7740        0
        malloc-256    256      11      19          18       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55         132       0     126       6448        0
         domainset     40       0     126         109       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-1024   1024       1       3           1       0      16       4096        0
       malloc-1024   1024       4       0           4       0      16       4096        0
       malloc-1024   1024       2       2           2       0      16       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           1       0      62       4048        0
         hostcache     96       2      40           2       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
               ipq     56       0      72           2       0     254       4032        0
         malloc-32     32       1     125           1       0     254       4032        0
         malloc-16     16      18     232          19       0     254       4000        0
         malloc-16     16       4     246           4       0     254       4000        0
       UMA Slabs 1    176      11      11          11       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      61           2       0     254       2016        0
               tfo      4       0     493          13       0     254       1972        0
        SMR SHARED     24       2      61           2       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
       sctp_asconf     40       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       0          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       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
          sackhole     32       0       0           0       0     254          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    592       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
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      64          0        0
            mdpbuf   2632       0       0           0       0       3          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       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-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
        malloc-128    128       0       0           0       0     126          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 (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/28 18:13 freebsd-src b8051298b0a3 7df34f59 console log report ci-freebsd-main Fatal trap 9: general protection fault in sctp_chunk_output
2021/01/27 16:09 freebsd-src c262e8e87e7b a0ebf917 console log report ci-freebsd-main Fatal trap 9: general protection fault in sctp_chunk_output
2020/12/06 12:03 freebsd b531e6856765 c521566d console log report ci-freebsd-main
2020/12/06 11:54 freebsd b531e6856765 c521566d console log report ci-freebsd-main
2020/11/23 07:58 freebsd 327654569258 0d27f508 console log report ci-freebsd-main
2020/11/20 15:03 freebsd 5dc4ad3d38ab 740ff461 console log report ci-freebsd-main
2020/11/19 07:24 freebsd 9c3205def665 0767f13f console log report ci-freebsd-main
2020/11/18 12:01 freebsd 7b82af2e8801 09323409 console log report ci-freebsd-main
2020/11/16 20:49 freebsd b7923586ef45 1bf9a662 console log report ci-freebsd-main
2020/11/14 00:26 freebsd e094501d0354 1bf9a662 console log report ci-freebsd-main
2020/11/07 05:03 freebsd c4f7f2c1ece8 64069d48 console log report ci-freebsd-main
2020/11/02 20:49 freebsd 0f31f3911eee f7362256 console log report ci-freebsd-main
2020/10/30 19:23 freebsd 75e5305e4cb1 bde4231c console log report ci-freebsd-main
2020/10/26 04:10 freebsd 5207b025dab7 2bb6666c console log report ci-freebsd-main
2020/10/08 12:01 freebsd 3a986d52b614 92390980 console log report ci-freebsd-main
2020/11/14 13:53 freebsd 5374f9a26da6 1bf9a662 console log report ci-freebsd-i386
2020/10/03 20:06 freebsd 1a7f90755fb0 ca27b3bc console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.