syzbot


Fatal trap NUM: page fault in tcp_usr_send

Status: fixed on 2021/12/29 07:12
Reported-by: syzbot+8388cf7f401a7b6bece6@syzkaller.appspotmail.com
Fix commit: 4287aa56197f tcp_usr_shutdown: don't cast inp_ppcb to tcpcb before checking inp_flags
First crash: 405d, last: 405d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81b370df
stack pointer	        = 0x28:0xfffffe00932296c0

frame pointer	        = 0x28:0xfffffe0093229810
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		= 5043 (syz-executor.2)
trap number		= 12
panic: page fault
cpuid = 0
time = 1640688548
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0093228ed0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0093229030
vpanic() at vpanic+0x2b8/frame 0xfffffe0093229110
panic() at panic+0xb5/frame 0xfffffe00932291d0
trap_fatal() at trap_fatal+0x6a4/frame 0xfffffe00932292d0
trap_pfault() at trap_pfault+0x186/frame 0xfffffe0093229410
trap() at trap+0x5e4/frame 0xfffffe00932295f0
calltrap() at calltrap+0x8/frame 0xfffffe00932295f0
--- trap 0xc, rip = 0xffffffff81b370df, rsp = 0xfffffe00932296c0, rbp = 0xfffffe0093229810 ---
tcp_usr_send() at tcp_usr_send+0x2af/frame 0xfffffe0093229810
sosend_generic() at sosend_generic+0xcc0/frame 0xfffffe00932299e0
sosend() at sosend+0xfc/frame 0xfffffe0093229a50
kern_sendit() at kern_sendit+0x58a/frame 0xfffffe0093229bc0
sendit() at sendit+0x2b0/frame 0xfffffe0093229c10
sys_sendto() at sys_sendto+0x182/frame 0xfffffe0093229d30
amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe0093229f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0093229f30
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x28a41a, rsp = 0x43f08, rbp = 0x43f70 ---
KDB: enter: panic
[ thread pid 5043 tid 104810 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x250ea2a(%rip)
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         0x233cb6cb4fa586fe
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0093229010
rbp         0xfffffe0093229030
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe0092f41fd0
r12         0xfffffe0092f41ac0
r13         0xfffffe0093229001
r14         0xffffffff82b532e0  .str.18
r15         0xffffffff82b532e0  .str.18
rip         0xffffffff8175586b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x250ea2a(%rip)
db> show proc
Process 5043 (syz-executor.2) at 0xfffffe0092ea5548:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 788 at 0xfffffe0092ad2a90
 ABI: FreeBSD ELF64
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.2 exec
 reaper: 0xfffffe0053de5000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0092ebf000
   (map 0xfffffe0092ebf000)
   (map.pmap 0xfffffe0092ebf0c0)
   (pmap 0xfffffe0092ebf128)
 threads: 3
104804                   S       nanslp  0xffffffff83c31941  syz-executor.2
104808                   S       uwait   0xfffffe0092e71200  syz-executor.2
104810                   Run     CPU 0                       syz-executor.2
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 5043   788   788     0  R       (threaded)                  syz-executor.2
104804                   S       nanslp  0xffffffff83c31941  syz-executor.2
104808                   S       uwait   0xfffffe0092e71200  syz-executor.2
104810                   Run     CPU 0                       syz-executor.2
 3326  3308  3326     0  Ss      select  0xfffffe009290f540  dhclient
 3316     1  3316     0  Ss      select  0xfffffe00926c1740  dhclient
 3308  3281   429    65  S       select  0xfffffe0092ec8cc0  dhclient
 3281   429   429     0  S       wait    0xfffffe0092ad3000  sh
  791   785   791     0  Ss      piperd  0xfffffe0058bb52e8  syz-executor.3
  790   785   790     0  Ss      piperd  0xfffffe0058ba3ba0  syz-executor.0
  788   785   788     0  Ss      nanslp  0xffffffff83c31941  syz-executor.2
  787   785   787     0  Ss      piperd  0xfffffe0058bb58b8  syz-executor.1
  785   783   783     0  S       (threaded)                  syz-execprog
100113                   S       uwait   0xfffffe0007994e00  syz-execprog
100115                   S       uwait   0xfffffe0053e97080  syz-execprog
100116                   S       uwait   0xfffffe0053e97180  syz-execprog
100117                   S       uwait   0xfffffe0053e97280  syz-execprog
100118                   S       kqread  0xfffffe00081db800  syz-execprog
100120                   S       uwait   0xfffffe0053e97580  syz-execprog
100121                   S       uwait   0xfffffe0092e71600  syz-execprog
100122                   S       uwait   0xfffffe0092e71700  syz-execprog
100124                   S       uwait   0xfffffe0092e71800  syz-execprog
100123                   S       uwait   0xfffffe0053e98d00  syz-execprog
  783   781   783     0  Ss      pause   0xfffffe0092ad20b0  csh
  781   687   781     0  Ss      select  0xfffffe00926bff40  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00576e38b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00586374b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe0058637cb0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe0053f918b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00586384b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0058638cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005863a4b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005863acb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00576ee4b0  getty
  691     1   691     0  Ss      nanslp  0xffffffff83c31941  cron
  687     1   687     0  Ss      select  0xfffffe00926c0c40  sshd
  500     1   500     0  Ss      select  0xfffffe00926c08c0  syslogd
  429     1   429     0  Ss      wait    0xfffffe0058c19548  devd
  428     1   428    65  Ss      select  0xfffffe0058ae0140  dhclient
  343     1   343     0  Ss      select  0xfffffe0058ae00c0  dhclient
  340     1   340     0  Ss      select  0xfffffe0058b386c0  dhclient
   16     0     0     0  DL      syncer  0xffffffff83d57140  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe0058882000  [vnlru]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff83d55760  [bufdaemon]
100081                   D       -       0xffffffff83011f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058ca7ce8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff83d88c40  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83d7caf8  [dom0]
100079                   D       launds  0xffffffff83d7cb04  [laundry: dom0]
100080                   D       umarcl  0xffffffff81e52dc0  [uma]
    6     0     0     0  DL      -       0xffffffff839ed808  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff84813240  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff84480530  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff8388f7c0  [doneq0]
100046                   D       -       0xffffffff8388f740  [async]
100075                   D       -       0xffffffff8388f5c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0057148c88  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83d78340  [crypto]
100042                   D       crypto_ 0xfffffe0053fb8030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053fb8080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83c07000  [g_event]
100037                   D       -       0xffffffff83c07020  [g_up]
100038                   D       -       0xffffffff83c07040  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100020                   I                                   [swi6: task queue]
100029                   I                                   [swi4: clock (0)]
100030                   I                                   [swi4: clock (1)]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100067                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053de5000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d78e20  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83c07aa0  [swapper]
100005                   D       -       0xfffffe0053e15000  [if_io_tqg_0]
100006                   D       -       0xfffffe0053e14e00  [if_io_tqg_1]
100007                   D       -       0xfffffe0053e14d00  [if_config_tqg_0]
100008                   D       -       0xfffffe0053e14c00  [softirq_0]
100009                   D       -       0xfffffe0053e14b00  [softirq_1]
100011                   D       -       0xfffffe00081dae00  [aiod_kick taskq]
100012                   D       -       0xfffffe00081dad00  [linuxkpi_irq_wq]
100013                   D       -       0xfffffe00081dac00  [inm_free taskq]
100014                   D       -       0xfffffe00081dab00  [in6m_free taskq]
100015                   D       -       0xfffffe00081daa00  [deferred_unmount ta]
100016                   D       -       0xfffffe00081da900  [thread taskq]
100018                   D       -       0xfffffe00081da700  [kqueue_ctx taskq]
100019                   D       -       0xfffffe00081da600  [pci_hp taskq]
100021                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0053f58300  [firmware taskq]
100039                   D       -       0xfffffe0053f57800  [crypto_0]
100040                   D       -       0xfffffe0053f57800  [crypto_1]
100056                   D       -       0xfffffe0053f56e00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0053f56d00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0053f56c00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0053f56b00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe00571a9600  [virtio_balloon]
100065                   D       -       0xffffffff82b58dc1  [deadlkres]
100070                   D       -       0xfffffe00081db100  [mca taskq]
100071                   D       -       0xfffffe0053f56900  [acpi_task_0]
100072                   D       -       0xfffffe0053f56900  [acpi_task_1]
100073                   D       -       0xfffffe0053f56900  [acpi_task_2]
100074                   D       -       0xfffffe0053f57100  [CAM taskq]
db> show all locks
Process 5043 (syz-executor.2) thread 0xfffffe0092f41ac0 (104810)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe0092a24360) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:1004
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe0058c59500) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_socket.c:4176
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            6         4801K            6
            devbuf         4213         4323K         4241
         sysctloid        35454         2089K        35525
             vtbuf           24         1968K           46
              kobj          322         1288K          481
            newblk           32         1032K         4743
          vfscache            3         1025K            3
          inodedep          526          709K         4216
               pcb           20          537K           51
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          118          208K         5123
            acpica         1674          184K        56282
         vnet_data            1          168K            1
              vmem            3          146K            5
           tidhash            3          141K            3
            linker          354          134K          382
           pagedep           15          132K         4153
        tfo_ccache            1          128K            1
            dirrem          502          126K         4147
            DEVFS1          109          109K          126
               sem            4          106K            4
          filedesc           12           89K         8302
               bus          973           80K         3426
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          505           64K          505
          freefile          502           63K         4145
              umtx          352           44K          352
           kdtrace          197           41K         9867
               BPF           22           36K           22
              temp           34           33K         2053
            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
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
          routetbl          130           16K          410
            bus-sc           34           15K         1651
           lltable           43           14K           43
            KTRACE          100           13K          100
       ether_multi          152           13K          162
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          136           12K          136
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
              cred           38           10K          262
         in6_multi           65            9K           65
         bmsafemap            2            9K         4184
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           21            6K          396
            kqueue           47            6K         5056
       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
           acpisem           28            4K           28
             hhook           15            4K           17
            diradd           26            4K         4182
           session           25            4K           42
         proc-args           73            3K         6249
           pwddesc           45            3K         5050
          terminal           11            3K           11
           uidinfo            3            3K           10
             lockf           20            3K           33
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
             mkdir           16            2K         8278
          indirdep            8            2K           10
         ipsec-saq            2            2K            2
             selfd           31            2K         9825
            ip6ndp           12            2K           14
            Unitno           30            2K           47
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
         newdirblk           12            2K         4139
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
            select           10            2K           40
               msi            9            2K            9
             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           36
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           14
             ipsec            3            1K            3
               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
            DEVFSP           10            1K           15
            crypto            4            1K            4
 encap_export_host           12            1K           12
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           13            1K         8446
               osd            8            1K         8258
    chacha20random            1            1K            1
          freework            2            1K         4145
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
          freeblks            1            1K         4144
            CC Mem            4            1K         8247
            vnodes            1            1K            1
           CAM SIM            2            1K            2
          procdesc            2            1K           12
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
             xform            2            1K           49
     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        11759
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           44
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           94
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K           11
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K           11
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            mqdata            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
           filemon            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
               ixl            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
          xen_intr            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
            DEVFS4            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            DEVFS2            0            0K            0
            xenbus            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
     vm_fictitious            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
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           Balloon            0            0K            0
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            vtfont            0            0K            0
           UMAHash            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K          278
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            7
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
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         80211node            0            0K            0
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            statfs            0            0K         4330
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ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       13338       0     254   38494208        0
              mbuf    256    8633    1029       45063       0     254    2473472        0
              pbuf   2624       0     778           0       0       2    2041472        0
          BUF TRIE    144     186   11602         604       0      62    1697472        0
        malloc-384    384    4117      53        4118       0      30    1601280        0
        malloc-128    128   11740     257       16074       0     126    1535616        0
        malloc-384    384     539    3121        4250       0      30    1405440        0
       malloc-4096   4096     323       3         483       0       2    1335296        0
       UMA Slabs 0    112   10634      16       10634       0     126    1192800        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   17511      24       17511       0     254     981960        0
        malloc-256    256     598    3197       12997       0      62     971520        0
        malloc-128    128    1721    3332       30524       0     126     646784        0
         FFS inode   1160     511      28        4656       0       8     625240        0
        RADIX NODE    144    3694     305      106514       0      62     575856        0
             tcpcb   1096       4     507        8247       0     254     560056        0
            socket    960      26     482        9703       0     254     487680        0
         VM OBJECT    264    1623     207      116174       0      30     483120        0
          lkpicurr    168       2    2350           2       0      62     395136        0
      malloc-65536  65536       6       0           6       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
         tcp_inpcb    424       5     760        8247       0     254     324360        0
        256 Bucket   2048     149       7        1119       0       8     319488        0
            THREAD   1808     151      25        4816       0       8     318208        0
             VNODE    448     546     120        4693       0      30     298368        0
         malloc-64     64    3984     363        9064       0     254     278208        0
      malloc-65536  65536       0       4         136       0       1     262144        0
         MAP ENTRY     96    1967     553      263566       0     126     241920        0
         malloc-16     16   14669     331       22976       0     254     240000        0
      malloc-16384  16384       7       7        4165       0       1     229376        0
            DEVCTL   1024      17     203         151       0       0     225280        0
       malloc-4096   4096      45       9        5050       0       2     221184        0
             ripcb    424       2     511           8       0     254     217512        0
         udp_inpcb    424       6     507         191       0     254     217512        0
        malloc-256    256     225     585        5061       0      62     207360        0
         malloc-32     32    5468     454        5598       0     254     189504        0
         UMA Zones    768     244       0         244       0      16     187392        0
     FPU_save_area    832     153      45        4880       0      16     164736        0
       malloc-1024   1024     133      27         150       0      16     163840        0
        malloc-128    128    1070     201       13664       0     126     162688        0
       S VFS Cache    104    1015     389        5176       0     126     146016        0
       FFS2 dinode    256     511      59        4656       0      62     145920        0
      malloc-65536  65536       0       2          82       0       1     131072        0
       malloc-2048   2048       7      57        1039       0       8     131072        0
             unpcb    256      11     499        1230       0     254     130560        0
       mbuf_packet    256       2     506         155       0     254     130048        0
          ksiginfo    112      64     980        4241       0     126     116928        0
           VMSPACE   2552      29      16        5035       0       4     114840        0
        malloc-256    256      35     400         376       0      62     111360        0
             g_bio    408       0     270        5366       0      30     110160        0
        128 Bucket   1024      77      22         786       0      16     101376        0
      malloc-32768  32768       0       3         120       0       1      98304        0
              PROC   1352      44      28        5049       0       8      97344        0
        malloc-256    256     264     111        5155       0      62      96000        0
       malloc-4096   4096      21       1          32       0       2      90112        0
          UMA Kegs    384     230       3         230       0      30      89472        0
         64 Bucket    512     137      31        4381       0      30      86016        0
            clpbuf   2624       0      32          20       0      16      83968        0
         filedesc0   1072      45      32        5050       0       8      82544        0
         32 Bucket    256     163     152        6679       0      62      80640        0
       malloc-8192   8192       8       1          10       0       1      73728        0
         malloc-64     64     552     519        1968       0     254      68544        0
        malloc-128    128     316     211         391       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
       malloc-8192   8192       5       3          34       0       1      65536        0
         malloc-64     64     477     342       10466       0     254      52416        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       30612       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-1024   1024      10      38        1662       0      16      49152        0
        malloc-384    384      72      48         107       0      30      46080        0
        malloc-384    384      74      46          74       0      30      46080        0
            da_ccb    544       0      84        1456       0      16      45696        0
          syncache    168       0     264           5       0     254      44352        0
       malloc-4096   4096       4       6          10       0       2      40960        0
       malloc-4096   4096       7       3          13       0       2      40960        0
            pcpu-8      8    4680     440        4836       0     254      40960        0
       Mountpoints   2752       2      12           2       0       4      38528        0
         malloc-64     64      33     534          33       0     254      36288        0
         malloc-64     64      38     529       14815       0     254      36288        0
         malloc-64     64      77     490       13887       0     254      36288        0
         malloc-64     64     272     295        5323       0     254      36288        0
         malloc-64     64     109     458         119       0     254      36288        0
        malloc-128    128      14     265          14       0     126      35712        0
        malloc-128    128      28     251          42       0     126      35712        0
        malloc-128    128      73     206        4345       0     126      35712        0
        malloc-128    128      53     226         307       0     126      35712        0
     routing nhops    256      27     108          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       3     132        4213       0      62      34560        0
        malloc-256    256      31     104         359       0      62      34560        0
        malloc-256    256      44      91        5343       0      62      34560        0
        malloc-256    256      23     112         280       0      62      34560        0
         TURNSTILE    136     177      75         177       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       3       1         104       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       4       4        4955       0       2      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       4      12          28       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-2048   2048       8       8           8       0       8      32768        0
       malloc-2048   2048       9       7         200       0       8      32768        0
       malloc-1024   1024       0      32           8       0      16      32768        0
       malloc-1024   1024       9      23          10       0      16      32768        0
       malloc-1024   1024       6      26          27       0      16      32768        0
       malloc-1024   1024       8      24           8       0      16      32768        0
       malloc-1024   1024       2      30           2       0      16      32768        0
        malloc-512    512       5      59           5       0      30      32768        0
        malloc-512    512       2      62         168       0      30      32768        0
        malloc-512    512      11      53          60       0      30      32768        0
           pcpu-64     64     482      30         482       0     254      32768        0
             KNOTE    160      26     174       26483       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588          12       0     254      28224        0
         tcp_inpcb     32       1     881        4120       0     254      28224        0
               PWD     32      16     866        4233       0     254      28224        0
         malloc-32     32     300     582        4350       0     254      28224        0
         16 Bucket    144      57     139         274       0      62      28224        0
          4 Bucket     48       7     581         152       0     254      28224        0
              pipe    744      20      15         369       0      16      26040        0
           rtentry    176      30     108          34       0      62      24288        0
              PGRP     88      25     251          42       0     126      24288        0
    ertt_txseginfo     40       0     606         218       0     254      24240        0
          rl_entry     40      51     555          51       0     254      24240        0
             Files     80     125     175       24365       0     126      24000        0
          8 Bucket     80      45     255         855       0     126      24000        0
        malloc-384    384       1      59         341       0      30      23040        0
        malloc-384    384      20      40          20       0      30      23040        0
        SLEEPQUEUE     88     177      79         177       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         191       0     254      20160        0
         udp_inpcb     32       3     627          40       0     254      20160        0
              ertt     72       4     276        8247       0     126      20160        0
         malloc-32     32       6     624          23       0     254      20160        0
         malloc-32     32      21     609          36       0     254      20160        0
         malloc-32     32     154     476        4856       0     254      20160        0
         malloc-32     32      54     576        9200       0     254      20160        0
         malloc-32     32      80     550         146       0     254      20160        0
         malloc-32     32      16     614          45       0     254      20160        0
          2 Bucket     32      62     568         723       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-4096   4096       2       2           5       0       2      16384        0
       malloc-2048   2048       3       5          62       0       8      16384        0
       malloc-1024   1024       4      12         157       0      16      16384        0
        malloc-512    512       1      31           1       0      30      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       0      32           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
         malloc-16     16     320     680       31512       0     254      16000        0
              kenv    258      15      45        1038       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-16     16       5     745           6       0     254      12000        0
         malloc-16     16       7     743          68       0     254      12000        0
         malloc-16     16      74     676        8637       0     254      12000        0
         malloc-16     16     192     558        1373       0     254      12000        0
         malloc-16     16      38     712         164       0     254      12000        0
         malloc-16     16       6     744          22       0     254      12000        0
        malloc-384    384       0      30           1       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
      vtnet_tx_hdr     24       0     334        1654       0     254       8016        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        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
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1208       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    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_rack_pcb    896       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
             ripcb     32       0       0           0       0     254          0        0
     udplite_inpcb     32       0       0           0       0     254          0        0
     udplite_inpcb    424       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     72       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    608       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
     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-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-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
           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 (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/12/28 11:18 freebsd-src d11f81afd5a4 6b3c5e64 console log report syz Fatal trap NUM: page fault in tcp_usr_send
* Struck through repros no longer work on HEAD.