syzbot


Fatal trap NUM: page fault in sctp_wakeup_the_read_socket (4)

Status: auto-closed as invalid on 2022/07/27 07:06
Reported-by: syzbot+1991808b7bd392eb3fc3@syzkaller.appspotmail.com
First crash: 809d, last: 809d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap NUM: page fault in sctp_wakeup_the_read_socket 2 1013d 1029d 0/2 auto-closed as invalid on 2022/01/04 16:49
freebsd Fatal trap NUM: page fault in sctp_wakeup_the_read_socket (2) 1 895d 895d 2/2 fixed on 2022/04/17 04:48
freebsd Fatal trap NUM: page fault in sctp_wakeup_the_read_socket (3) syz 3 811d 817d 2/2 fixed on 2022/04/27 23:43

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x1c0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff84671078
stack pointer	        = 0x28:0xfffffe0053b23d20
frame pointer	        = 0x28:0xfffffe0053b23d50
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 (swi1: netisr 0)
trap number		= 12
panic: page fault
cpuid = 1
time = 1651129509
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b23530
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b23690
vpanic() at vpanic+0x2b8/frame 0xfffffe0053b23770
panic() at panic+0xb5/frame 0xfffffe0053b23830
trap_fatal() at trap_fatal+0x6a4/frame 0xfffffe0053b23930
trap_pfault() at trap_pfault+0x186/frame 0xfffffe0053b23a70
trap() at trap+0x5ad/frame 0xfffffe0053b23c50
calltrap() at calltrap+0x8/frame 0xfffffe0053b23c50
--- trap 0xc, rip = 0xffffffff84671078, rsp = 0xfffffe0053b23d20, rbp = 0xfffffe0053b23d50 ---
sctp_wakeup_the_read_socket() at sctp_wakeup_the_read_socket+0xf8/frame 0xfffffe0053b23d50
sctp_add_to_readq() at sctp_add_to_readq+0x633/frame 0xfffffe0053b23df0
sctp_queue_data_to_stream() at sctp_queue_data_to_stream+0x779/frame 0xfffffe0053b23f90
sctp_process_data() at sctp_process_data+0x2cdb/frame 0xfffffe0053b24680
sctp_common_input_processing() at sctp_common_input_processing+0x168d/frame 0xfffffe0053b248a0
sctp6_input_with_port() at sctp6_input_with_port+0x597/frame 0xfffffe0053b24a70
sctp6_input() at sctp6_input+0x1f/frame 0xfffffe0053b24a90
ip6_input() at ip6_input+0x1f40/frame 0xfffffe0053b24cf0
swi_net() at swi_net+0x2f0/frame 0xfffffe0053b24d90
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe0053b24ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0053b24f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053b24f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100031 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x270524a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0x7eaa946b6f672fcc
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0053b23670
rbp         0xfffffe0053b23690
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11                       0xbf
r12         0xfffffe0053ea8560
r13         0xfffffe0053b23601
r14         0xffffffff82bc88e0  .str.26
r15         0xffffffff82bc88e0  .str.26
rip         0xffffffff8177514b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x270524a(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053def548:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83e1da40
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83e1da40 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff83e1e9e0
   (map 0xffffffff83e1e9e0)
   (map.pmap 0xffffffff83e1eaa0)
   (pmap 0xffffffff83e1eb08)
 threads: 22
100015                   I                                   [swi5: fast taskq]
100018                   I                                   [swi6: task queue]
100019                   I                                   [swi6: Giant taskq]
100031                   Run     CPU 1                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   Run     CPU 0                       [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  890   781   781     0  RE                                  syz-executor.3
  877     1   877     0  Ss      select  0xfffffe00923576c0  rtsol
  876     1   876     0  Ss      select  0xfffffe008fe582c0  rtsol
  875     1   875     0  Ss      select  0xfffffe008fe58340  rtsol
  870   788   430     0  S       kqread  0xfffffe0058a63200  rtsol
  790   774   790     0  Ss      piperd  0xfffffe0058b672e8  syz-executor.2
  788   783   430     0  S       wait    0xfffffe008fe4b000  sh
  783   430   430     0  S       wait    0xfffffe0053df0a90  sh
  781   774   781     0  Rs                                  syz-executor.3
  780   774   780     0  Ss      piperd  0xfffffe0092509ba0  syz-executor.1
  779   774   779     0  Ss      piperd  0xfffffe0092d998b8  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100111                   S       uwait   0xfffffe0058b70d80  syz-fuzzer
100117                   S       uwait   0xfffffe0057895380  syz-fuzzer
100118                   S       uwait   0xfffffe0057895480  syz-fuzzer
100119                   S       uwait   0xfffffe0057894380  syz-fuzzer
100120                   S       kqread  0xfffffe0058a5fd00  syz-fuzzer
100121                   S       uwait   0xfffffe0057894580  syz-fuzzer
100122                   S       uwait   0xfffffe0058b71400  syz-fuzzer
100123                   S       uwait   0xfffffe0058b71500  syz-fuzzer
100124                   S       uwait   0xfffffe0057894680  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffffe0058c370b0  csh
  770   688   770     0  Ss      select  0xfffffe0092357a40  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00574774b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe0058690cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00586914b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe0058691cb0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00586924b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0058692cb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0053f414b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0053f41cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0053f424b0  getty
  692     1   692     0  Ss      nanslp  0xffffffff83e47a40  cron
  688     1   688     0  Ss      select  0xfffffe008fe58ac0  sshd
  501     1   501     0  Ss      select  0xfffffe0092358340  syslogd
  430     1   430     0  Ss      wait    0xfffffe0058c37a90  devd
  429     1   429    65  Ss      select  0xfffffe0092358440  dhclient
  344     1   344     0  Ss      select  0xfffffe0092358540  dhclient
  341     1   341     0  Ss      select  0xfffffe008fe58ec0  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe0056f9d548  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff83f6d260  [syncer]
   15     0     0     0  RL      (threaded)                  [bufdaemon]
100079                   RunQ                                [bufdaemon]
100082                   D       -       0xffffffff83211f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058c5cce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83f9f380  [vmdaemon]
    8     0     0     0  RL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83f93238  [dom0]
100080                   D       launds  0xffffffff83f93244  [laundry: dom0]
100081                   RunQ                                [uma]
    7     0     0     0  DL      -       0xffffffff83c03788  [rand_harvestq]
    6     0     0     0  RL                                  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff846a74a0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83aa56c0  [doneq0]
100045                   D       -       0xffffffff83aa5640  [async]
100076                   D       -       0xffffffff83aa54c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056f03c88  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff83f8ea40  [crypto]
100041                   D       crypto_ 0xfffffe0053f73030  [crypto returns 0]
100042                   D       crypto_ 0xfffffe0053f73080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff83e1d000  [g_event]
100036                   D       -       0xffffffff83e1d020  [g_up]
100037                   D       -       0xffffffff83e1d040  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100015                   I                                   [swi5: fast taskq]
100018                   I                                   [swi6: task queue]
100019                   I                                   [swi6: Giant taskq]
100031                   Run     CPU 1                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   Run     CPU 0                       [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053df0000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f8f540  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e1da40  [swapper]
100005                   D       -       0xfffffe0008191000  [if_config_tqg_0]
100006                   D       -       0xfffffe0008190e00  [softirq_0]
100007                   D       -       0xfffffe0008190d00  [softirq_1]
100008                   D       -       0xfffffe0008190c00  [if_io_tqg_0]
100009                   D       -       0xfffffe0008190b00  [if_io_tqg_1]
100010                   D       -       0xfffffe0008190a00  [inm_free taskq]
100011                   D       -       0xfffffe0008190900  [linuxkpi_irq_wq]
100012                   D       -       0xfffffe0008190800  [in6m_free taskq]
100013                   D       -       0xfffffe0008190700  [deferred_unmount ta]
100014                   D       -       0xfffffe0008190600  [thread taskq]
100016                   D       -       0xfffffe0008190400  [pci_hp taskq]
100017                   D       -       0xfffffe0008190300  [kqueue_ctx taskq]
100020                   D       -       0xfffffe0008190000  [aiod_kick taskq]
100021                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe000818fe00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe000818fd00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe000818fc00  [firmware taskq]
100038                   D       -       0xfffffe000818f200  [crypto_0]
100039                   D       -       0xfffffe000818f200  [crypto_1]
100055                   D       -       0xfffffe000818e900  [vtnet0 rxq 0]
100056                   D       -       0xfffffe000818e800  [vtnet0 txq 0]
100057                   D       -       0xfffffe000818e700  [vtnet0 rxq 1]
100058                   D       -       0xfffffe000818e600  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056f4be00  [virtio_balloon]
100066                   D       -       0xffffffff82bce761  [deadlkres]
100070                   D       -       0xfffffe0008191100  [mca taskq]
100071                   D       -       0xfffffe000818eb00  [acpi_task_0]
100072                   D       -       0xfffffe000818eb00  [acpi_task_1]
100073                   D       -       0xfffffe000818eb00  [acpi_task_2]
100075                   D       -       0xfffffe000818ea00  [CAM taskq]
db> show all locks
Process 890 (syz-executor.3) thread 0xfffffe0092db4000 (100127)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe0094caa700) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3340
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe0053c402f8) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3339
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe0094caa720) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3338
Process 12 (intr) thread 0xfffffe0053ea8560 (100031)
exclusive sleep mutex so_rcv (so_rcv) r = 0 (0xfffffe0058c191a0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:4846
exclusive sleep mutex sctp-read (inpr) r = 0 (0xfffffe0094caa740) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:4874
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094da58b0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2138
Process 12 (intr) thread 0xfffffe0053ee3ac0 (100033)
exclusive sleep mutex tcp_hpts_lck (hpts) r = 0 (0xfffffe0053edc000) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_hpts.c:1658
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4217         4323K         4245
         sysctloid        35322         2081K        35393
             vtbuf           24         1968K           46
              kobj          328         1312K          489
            newblk           38         1034K          672
          vfscache            3         1025K            3
               pcb          173          706K          478
          inodedep           51          531K          119
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          106          214K          957
            acpica         1674          184K        57552
         vnet_data            1          168K            1
              vmem            3          146K            5
           tidhash            3          141K            3
            linker          358          134K          386
           pagedep           14          132K           57
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
          filedesc           12           89K          117
               bus          994           81K         5207
          mtx_pool            2           72K            2
          syncache            1           68K            1
            module          513           65K          513
          acpitask            1           64K            1
       ddb_capture            1           64K            1
              umtx          308           39K          308
           kdtrace          183           37K         1068
         sctp_atcl           92           35K          273
              temp           34           33K         1890
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
               BPF           14           19K           14
         ufs_mount            4           17K            5
              proc            3           17K            3
         sctp_stro           16           16K           59
               tty           16           16K           16
           ithread           97           16K           97
          routetbl          130           16K          413
            bus-sc           34           15K         1681
           lltable           44           14K           44
       ether_multi          157           13K          167
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          134           12K          134
              rman           88           11K          431
              GEOM           61           11K          490
         CAM queue            5           11K         1528
         in6_multi           71            9K           71
         bmsafemap            2            9K           87
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
              cred           30            8K          206
            kqueue           52            8K          905
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         sctp_timw           27            7K           27
            dirrem           27            7K           55
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           20            5K          349
       ufs_dirhash           24            5K           24
               UMA          272            5K          272
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
         sctp_atky          108            4K          334
            DEVFSP           60            4K           64
           acpisem           28            4K           28
          freefile           27            4K           53
             hhook           15            4K           17
            diradd           26            4K           86
           session           26            4K           37
          kcovinfo           52            4K           52
         proc-args           77            4K         1983
             mkdir           24            3K           94
           pwddesc           47            3K          899
          terminal           11            3K           11
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
          indirdep            8            2K           10
         ipsec-saq            2            2K            2
             selfd           32            2K        35817
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           15
            Unitno           30            2K           47
             lockf           16            2K           26
           CAM XPT           22            2K          543
               msi           12            2K           12
         newdirblk           12            2K           47
          in_multi            6            2K            8
         sctp_athm           92            2K          275
            select           11            2K           32
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           18
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           15
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
         sctp_stri            1            1K            4
          sctp_map           32            1K          118
          freework            2            1K           53
              pfil            4            1K            4
          procdesc            4            1K           10
              cdev            2            1K            2
       inpcbpolicy           15            1K          193
               osd            9            1K           27
    chacha20random            1            1K            1
            CC Mem            5            1K           16
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
          freeblks            1            1K           52
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K           42
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K         3542
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           38
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          filecaps            1            1K           82
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            mqdata            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078     1522636       0     254   38494208        0
              mbuf    256    8656    1006     2297448       0     254    2473472        0
        RADIX NODE    144   14222     249       56453       0      62    2083824        0
              pbuf   2624       0     794           0       0       2    2083456        0
          BUF TRIE    144     185   11603         542       0      62    1697472        0
        malloc-384    384    4167      33        4236       0      30    1612800        0
        malloc-128    128   11671     202       11835       0     126    1519744        0
       malloc-4096   4096     330       4         494       0       2    1368064        0
       UMA Slabs 0    112   10698      24       10698       0     126    1200864        0
         sctp_asoc   2256      16     494          59       0     254    1150560        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   16915     116       16915       0     254     953736        0
         FFS inode   1160     506      26         559       0       8     617120        0
           sctp_ep   1208      75     435         212       0     254     616080        0
             tcpcb   1104       5     506          16       0     254     564144        0
         VM OBJECT    264    1867      83       27692       0      30     514800        0
            socket    960      91     417        1639       0     254     487680        0
      malloc-65536  65536       6       0           6       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
        sctp_raddr    736      16     501          59       0     254     380512        0
       malloc-2048   2048      83      93         220       0       8     360448        0
        256 Bucket   2048     145      17        5758       0       8     331776        0
         malloc-64     64    3923     676       40564       0     254     294336        0
             VNODE    448     542      88         597       0      30     282240        0
            THREAD   1808     134      20         168       0       8     278432        0
      malloc-65536  65536       1       3         137       0       1     262144        0
         MAP ENTRY     96    2226     420       96163       0     126     254016        0
         malloc-16     16   14614     386       14694       0     254     240000        0
       malloc-4096   4096      53       5         906       0       2     237568        0
            DEVCTL   1024      23     197         151       0       0     225280        0
      malloc-16384  16384       6       7          57       0       1     212992        0
        malloc-256    256     236     574        1061       0      62     207360        0
      malloc-65536  65536       1       2          65       0       1     196608        0
         malloc-32     32    5564     358        5638       0     254     189504        0
         UMA Zones    768     244       0         244       0      16     187392        0
       malloc-1024   1024     137      23         154       0      16     163840        0
        malloc-128    128    1242      29       27172       0     126     162688        0
        malloc-128    128    1052      95        5332       0     126     146816        0
       FFS2 dinode    256     506      64         559       0      62     145920        0
     FPU_save_area    832     136      26        3764       0      16     134784        0
       S VFS Cache    104    1004     283        1067       0     126     133848        0
             unpcb    256      14     496        1208       0     254     130560        0
       mbuf_packet    256       1     507         210       0     254     130048        0
    ertt_txseginfo     40    2741     390       11193       0     254     125240        0
          ksiginfo    112      46     998        3649       0     126     116928        0
           VMSPACE   2552      31      11         883       0       4     107184        0
       malloc-8192   8192       9       4          38       0       1     106496        0
        malloc-384    384     123     117         304       0      30      92160        0
       malloc-4096   4096      19       3          33       0       2      90112        0
          UMA Kegs    384     230       3         230       0      30      89472        0
        128 Bucket   1024      49      34         521       0      16      84992        0
       malloc-2048   2048       5      35        1232       0       8      81920        0
        malloc-256    256     139     176         569       0      62      80640        0
              PROC   1352      47      10         898       0       8      77064        0
         filedesc0   1072      48      22         899       0       8      75040        0
       malloc-8192   8192       8       1          10       0       1      73728        0
             g_bio    408       0     180        4996       0      30      73440        0
         64 Bucket    512      76      60        2796       0      30      69632        0
         malloc-64     64     589     482        1759       0     254      68544        0
       tcp_bbr_map    128     336     191         672       0     126      67456        0
        malloc-128    128     369     158         574       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
        malloc-256    256     227      28         593       0      62      65280        0
sctp_stream_msg_out    112      14     526          17       0     254      60480        0
        malloc-384    384     110      40         111       0      30      57600        0
         malloc-64     64     559     260        1025       0     254      52416        0
        malloc-256    256      91     104         290       0      62      49920        0
         32 Bucket    256      71     124        3701       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       13361       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
      malloc-16384  16384       0       3         160       0       1      49152        0
       malloc-1024   1024       5      43        1565       0      16      49152        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16          21       0      16      41984        0
       malloc-8192   8192       2       3         103       0       1      40960        0
            pcpu-8      8    4635     485        4791       0     254      40960        0
        sctp_readq    152       1     259           2       0     254      39520        0
        sctp_chunk    152       2     258           4       0     254      39520        0
       Mountpoints   2752       2      12           2       0       4      38528        0
         udp_inpcb    424       6      84         166       0      30      38160        0
            da_ccb    544       0      70        1365       0      16      38080        0
              pipe    744      19      31         337       0      16      37200        0
         malloc-64     64      89     478         999       0     254      36288        0
         malloc-64     64      37     530       13657       0     254      36288        0
         malloc-64     64      79     488        1496       0     254      36288        0
         malloc-64     64     223     344         246       0     254      36288        0
         malloc-64     64     157     410         166       0     254      36288        0
        malloc-128    128      35     244         156       0     126      35712        0
        malloc-128    128      25     254          36       0     126      35712        0
        malloc-128    128      59     220         237       0     126      35712        0
        malloc-128    128      47     232          47       0     126      35712        0
     routing nhops    256      26     109          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      47      43          49       0      30      34560        0
        malloc-256    256      48      87         170       0      62      34560        0
        malloc-256    256      32     103         374       0      62      34560        0
        malloc-256    256      52      83         672       0      62      34560        0
        malloc-256    256       7     128         725       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0          17       0       1      32768        0
       malloc-2048   2048       3      13          26       0       8      32768        0
       malloc-2048   2048      10       6          10       0       8      32768        0
       malloc-2048   2048       4      12          62       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-1024   1024      19      13          71       0      16      32768        0
       malloc-1024   1024       5      27           5       0      16      32768        0
       malloc-1024   1024       3      29         160       0      16      32768        0
       malloc-1024   1024       8      24           8       0      16      32768        0
       malloc-1024   1024       3      29          19       0      16      32768        0
        malloc-512    512       4      60           4       0      30      32768        0
        malloc-512    512       0      64         132       0      30      32768        0
        malloc-512    512       2      62          51       0      30      32768        0
        malloc-512    512       3      61          19       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
           pcpu-64     64     493      19         493       0     254      32768        0
             KNOTE    160      31     169       46858       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     240     160        7568       0     126      32000        0
       tcp_bbr_pcb    832       1      35           2       0      16      29952        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588          13       0     254      28224        0
         16 Bucket    144      49     147         241       0      62      28224        0
          4 Bucket     48       6     582          53       0     254      28224        0
         tcp_inpcb    424       5      58          16       0      30      26712        0
             ripcb    424       4      59          11       0      30      26712        0
         TURNSTILE    136     155      34         155       0      62      25704        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       5       1           8       0       2      24576        0
       malloc-4096   4096       2       4         849       0       2      24576        0
       malloc-4096   4096       2       4           5       0       2      24576        0
           rtentry    176      30     108          34       0      62      24288        0
              PGRP     88      26     250          37       0     126      24288        0
          rl_entry     40      40     566          40       0     254      24240        0
          8 Bucket     80      50     250         855       0     126      24000        0
        malloc-384    384       3      57          50       0      30      23040        0
        malloc-384    384      20      40         360       0      30      23040        0
        SLEEPQUEUE     88     155     101         155       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         166       0     254      20160        0
   udp_inpcb ports     32       3     627          33       0     254      20160        0
   tcp_inpcb ports     32       3     627           9       0     254      20160        0
              ertt     72       5     275          16       0     126      20160        0
               PWD     32      14     616         134       0     254      20160        0
         malloc-32     32     108     522         125       0     254      20160        0
         malloc-32     32      26     604          77       0     254      20160        0
         malloc-32     32      56     574         965       0     254      20160        0
         malloc-32     32      54     576         207       0     254      20160        0
         malloc-32     32     233     397        4478       0     254      20160        0
         malloc-32     32       5     625           9       0     254      20160        0
          2 Bucket     32      48     582         321       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-2048   2048       3       5           3       0       8      16384        0
       malloc-2048   2048       3       5           3       0       8      16384        0
       malloc-1024   1024       8       8           9       0      16      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       1      31           5       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668      765417       0     254      16032        0
         malloc-16     16     261     739        4737       0     254      16000        0
              kenv    258      15      45        1039       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
         malloc-32     32     121     257         758       0     254      12096        0
         malloc-16     16      14     736          98       0     254      12000        0
         malloc-16     16     179     571         634       0     254      12000        0
         malloc-16     16      38     712         164       0     254      12000        0
         malloc-16     16     287     463       26498       0     254      12000        0
        malloc-384    384       1      29           1       0      30      11520        0
        malloc-384    384       2      28           2       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
         malloc-16     16       0     500           2       0     254       8000        0
         malloc-16     16      10     490          12       0     254       8000        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
            pcpu-4      4       1     511           1       0     254       2048        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       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     254          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    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     56       0       0           0       0     254          0        0
      tcp_rack_pcb    896       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
               ipq     56       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     72       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_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
       ripcb ports     32       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    424       0       0           0       0      30          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
           pcpu-32     32       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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/28 07:05 freebsd-src e4a38f5407d1 7c337266 console log report ci-freebsd-main Fatal trap NUM: page fault in sctp_wakeup_the_read_socket
* Struck through repros no longer work on HEAD.