syzbot


Fatal trap 12: page fault in rack_process_to_cumack (2)

Status: fixed on 2021/05/26 06:11
Reported-by: syzbot+9103313ad53b1eef2475@syzkaller.appspotmail.com
Fix commit: 13c0e198ca27 tcp: Fix bugs related to the PUSH bit and rack and an ack war
First crash: 623d, last: 622d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap 12: page fault in rack_process_to_cumack 1 630d 630d 0/2 closed as dup on 2021/05/21 13:27

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x18
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff830c3d2a
stack pointer	        = 0x28:0xfffffe0003779200
frame pointer	        = 0x28:0xfffffe0003779260
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 = 0
time = 1621839460
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0003778e60
vpanic() at vpanic+0x1c7/frame 0xfffffe0003778ec0
panic() at panic+0x43/frame 0xfffffe0003778f20
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe0003778fa0
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe0003779010
trap() at trap+0x41d/frame 0xfffffe0003779130
calltrap() at calltrap+0x8/frame 0xfffffe0003779130
--- trap 0xc, rip = 0xffffffff830c3d2a, rsp = 0xfffffe0003779200, rbp = 0xfffffe0003779260 ---
rack_process_to_cumack() at rack_process_to_cumack+0x60a/frame 0xfffffe0003779260
rack_log_ack() at rack_log_ack+0x50c/frame 0xfffffe00037793a0
rack_process_ack() at rack_process_ack+0x3b9/frame 0xfffffe00037794a0
rack_do_syn_recv() at rack_do_syn_recv+0xe42/frame 0xfffffe00037795d0
rack_do_segment_nounlock() at rack_do_segment_nounlock+0x2649/frame 0xfffffe00037797d0
rack_do_segment() at rack_do_segment+0x121/frame 0xfffffe0003779850
tcp_input_with_port() at tcp_input_with_port+0x13d5/frame 0xfffffe00037799b0
tcp_input() at tcp_input+0x1f/frame 0xfffffe00037799d0
ip_input() at ip_input+0x38b/frame 0xfffffe0003779a90
swi_net() at swi_net+0x20d/frame 0xfffffe0003779b10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe0003779bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe0003779bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0003779bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100032 ]
Stopped at      kdb_enter+0x67: movq    $0,0x163739e(%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                       0x80
rdx         0xffffffff819c370f
rbx                          0
rsp         0xfffffe0003778e40
rbp         0xfffffe0003778e60
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe0003778d30
r11              0x1fffcfff59c
r12         0xffffffff82267b90  ddb_dbbe
r13                          0
r14         0xffffffff81a74c80
r15         0xffffffff81a74c80
rip         0xffffffff81131a67  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x163739e(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004c5fa60:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8271c330
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8271c330 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8271cf90
   (map 0xffffffff8271cf90)
   (map.pmap 0xffffffff8271d050)
   (pmap 0xffffffff8271d0b0)
 threads: 23
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100017                   I                                   [swi6: Giant taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   Run     CPU 0                       [swi1: netisr 0]
100033                   I                                   [swi3: vm]
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                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   I                                   [swi1: hpts]
100085                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  816   810   816     0  Ss      select  0xfffff80026552440  dhclient
  813     1   813     0  Ss      select  0xfffff800264525c0  dhclient
  810   802   436    65  S       select  0xfffff80026552740  dhclient
  805   787   787     0  R                                   syz-executor.0
  802   436   436     0  S       wait    0xfffff80026544000  sh
  787   785   787     0  Rs                                  syz-executor.0
  785   783   783     0  S       (threaded)                  syz-execprog
100120                   S       uwait   0xfffff800264e6300  syz-execprog
100124                   S       uwait   0xfffff80015e34700  syz-execprog
100125                   S       uwait   0xfffff80015e34900  syz-execprog
100126                   S       kqread  0xfffff800262fbb00  syz-execprog
100128                   S       uwait   0xfffff80026546b00  syz-execprog
100129                   S       uwait   0xfffff800264e6d00  syz-execprog
100130                   S       uwait   0xfffff80026546d00  syz-execprog
100131                   S       uwait   0xfffff800264e6f00  syz-execprog
  783   781   783     0  Ss      pause   0xfffff800265445e0  csh
  781   694   781     0  Ss      select  0xfffff80026552ec0  sshd
  760     1   760     0  Rs+     CPU 1                       getty
  759     1   759     0  Ss+     ttyin   0xfffff80015a784b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80015a78cb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80015a7c4b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80015a7ccb0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80015a7f4b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80015a7fcb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80015a074b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80015a07cb0  getty
  750     1    24     0  S+      piperd  0xfffff80015da12e8  logger
  749   748    24     0  S+      nanslp  0xffffffff8273c560  sleep
  748     1    24     0  S+      wait    0xfffff80015e0ba60  sh
  698     1   698     0  Ss      nanslp  0xffffffff8273c561  cron
  694     1   694     0  Ss      select  0xfffff800261515c0  sshd
  507     1   507     0  Ds      biowr   0xfffffe0003834ea0  syslogd
  436     1   436     0  Ss      wait    0xfffff80015c1a000  devd
  435     1   435    65  Ss      select  0xfffff800262fdd40  dhclient
  350     1   350     0  Ss      select  0xfffff800262fd140  dhclient
  347     1   347     0  Ss      select  0xfffff800262fda40  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80015c1a530  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff8282b9d0  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100081                   D       qsleep  0xffffffff8282aa80  [bufdaemon]
100088                   D       -       0xffffffff8220ae80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffff80015d664e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff828528c8  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100079                   D       psleep  0xffffffff82846d38  [dom0]
100086                   D       launds  0xffffffff82846d44  [laundry: dom0]
100087                   D       umarcl  0xffffffff815cd300  [uma]
   18     0     0     0  DL      -       0xffffffff82570908  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82f20828  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82d783c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff828280dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff828280dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff828280dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff828280dc  [soaiod1]
    6     0     0     0  RL      (threaded)                  [cam]
100044                   RunQ                                [doneq0]
100045                   D       -       0xffffffff82447d40  [async]
100078                   D       -       0xffffffff82447c10  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004daa488  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004d2b380  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004d2b330  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82844220  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff8271bda0  [g_event]
100036                   D       -       0xffffffff8271bda8  [g_up]
100037                   D       -       0xffffffff8271bdb0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffff80004c3bd00  [thr_0]
100029                   D       -       0xfffff80004c3bd80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100017                   I                                   [swi6: Giant taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   Run     CPU 0                       [swi1: netisr 0]
100033                   I                                   [swi3: vm]
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                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   I                                   [swi1: hpts]
100085                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004bc7530  [init]
   10     0     0     0  DL      audit_w 0xffffffff82844730  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8271c330  [swapper]
100005                   D       -       0xfffff80004bbd100  [if_config_tqg_0]
100006                   D       -       0xfffff80004c64900  [softirq_0]
100007                   D       -       0xfffff80004c64100  [softirq_1]
100008                   D       -       0xfffff80004c62900  [if_io_tqg_0]
100009                   D       -       0xfffff80004c62100  [if_io_tqg_1]
100010                   D       -       0xfffff8000443d900  [in6m_free taskq]
100011                   D       -       0xfffff8000443d500  [aiod_kick taskq]
100013                   D       -       0xfffff80004c5ad00  [kqueue_ctx taskq]
100014                   D       -       0xfffff80004c5a900  [pci_hp taskq]
100016                   D       -       0xfffff80004c5a100  [inm_free taskq]
100018                   D       -       0xfffff80004c55900  [linuxkpi_irq_wq]
100019                   D       -       0xfffff80004c55500  [thread taskq]
100020                   D       -       0xfffff80004c55100  [linuxkpi_short_wq_0]
100021                   D       -       0xfffff80004c55100  [linuxkpi_short_wq_1]
100022                   D       -       0xfffff80004c55100  [linuxkpi_short_wq_2]
100023                   D       -       0xfffff80004c55100  [linuxkpi_short_wq_3]
100024                   D       -       0xfffff80004c4dd00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffff80004c4dd00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffff80004c4dd00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffff80004c4dd00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffff80004c4d900  [firmware taskq]
100038                   D       -       0xfffff80004c4d500  [crypto_0]
100039                   D       -       0xfffff80004c4d500  [crypto_1]
100055                   D       -       0xfffff8001534cd00  [vtnet0 rxq 0]
100056                   D       -       0xfffff8001534c900  [vtnet0 txq 0]
100057                   D       -       0xfffff8001534c500  [vtnet0 rxq 1]
100058                   D       -       0xfffff8001534c100  [vtnet0 txq 1]
100060                   D       vtbslp  0xfffff80015369300  [virtio_balloon]
100064                   D       -       0xfffff80015427d00  [mca taskq]
100069                   D       -       0xffffffff81e21630  [deadlkres]
100074                   D       -       0xfffff80015a0ad00  [acpi_task_0]
100075                   D       -       0xfffff80015a0ad00  [acpi_task_1]
100076                   D       -       0xfffff80015a0ad00  [acpi_task_2]
100077                   D       -       0xfffff80004c4d100  [CAM taskq]
db> show all locks
Process 805 (syz-executor.0) thread 0xfffffe00559b1900 (100118)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80026534d90) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:467
Process 760 (getty) thread 0xfffffe00559b2020 (100117)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffff800153e7c08) locked @ /syzkaller/managers/main/kernel/sys/kern/tty_ttydisc.c:489
Process 507 (syslogd) thread 0xfffffe0055714000 (100102)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003834f20) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3928
exclusive lockmgr ufs (ufs) r = 0 (0xfffff800263d65b0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3522
Process 12 (intr) thread 0xfffffe00042bd020 (100032)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff800263479a8) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:2524
db> show malloc
              Type        InUse        MemUse     Requests
         sysctloid        34288        12858K        34355
           pf_hash            5        11560K            5
            devbuf         4216         6982K         4241
          tcp_hpts            5         3219K            5
              kobj          328         2624K          488
             vtbuf           24         2064K           46
            newblk          438         1251K          481
          vfscache            3         1035K            3
            acpica         1674          649K        55230
               pcb           25          613K           81
          inodedep           56          575K           80
           callout            2          528K            2
         ufs_quota            1          520K            1
          vfs_hash            1          520K            1
           subproc          119          483K          884
              intr            4          480K            4
               bus          990          378K         3499
            linker          348          270K          400
            DEVFS1          104          208K          115
            module          512          192K          512
         vnet_data            1          176K            1
           tidhash            3          164K            3
           kdtrace          188          156K          953
           pagedep           17          144K           22
        tfo_ccache            1          136K            1
               BPF           19          135K           19
              umtx          286          126K          286
               sem            4          120K            4
               UMA          270          102K          270
     audit_evclass          236           89K          294
          mtx_pool            2           80K            2
          syncache            1           76K            1
          filedesc            5           73K           17
              temp           23           73K         1740
               msg            4           68K            4
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            DEVFS3          123           62K          133
        gtaskqueue           18           57K           18
              vmem            3           56K            4
          routetbl           79           55K          227
        DEVFS_RULE           56           54K           56
              kenv           95           52K           95
      eventhandler          133           50K          133
            ifaddr           40           46K           42
           ithread           99           43K           99
              rman           84           42K          425
            KTRACE          100           38K          100
         taskqueue           60           36K           60
              proc            3           34K            3
         ufs_mount            5           34K            6
            bus-sc           33           34K         1710
           devstat            4           33K            4
         hostcache            1           32K            1
               tty           16           32K           16
               shm            1           32K            1
              GEOM           60           29K          489
            kqueue           54           28K          821
            kbdmux            6           28K            6
       ether_multi           68           26K           78
              cred           24           24K          240
         CAM queue            5           21K         1528
         pfs_nodes           20           20K           20
           pwddesc           52           20K          817
            plimit           19           19K          344
              UART           12           18K           12
         bmsafemap            3           17K           49
         proc-args           44           17K          526
              ksem            1           16K            1
               rpc            2           16K            2
           lltable           19           16K           19
             shmfd            1           16K            1
       pfs_vncache            1           16K            1
         in6_multi           35           15K           35
       ufs_dirhash           24           14K           24
            sglist            5           13K            5
             ifnet            4           13K            4
               MCA           32           12K           32
            diradd           32           12K           44
           CAM DEV            3           12K          510
           session           23           12K           34
                vt           11           11K           11
           acpisem           28           11K           28
           CAM XPT           22           11K          543
            Unitno           27           11K           41
             selfd           26           10K         7582
           uidinfo            3            9K            8
            dirrem           17            9K           28
           memdesc            1            8K            1
         ipsec-saq            2            8K            2
             evdev            4            8K            4
           acpidev           20            8K           20
             hhook           15            8K           17
             lockf           19            8K           29
          pf_ifnet            7            7K           10
             mount           16            7K           90
       fpukern_ctx            3            6K            3
       inpcbpolicy           15            6K          151
          terminal           11            6K           11
       ipsecpolicy            2            5K            2
 encap_export_host           12            5K           12
             clone            9            5K            9
        local_apic            1            4K            1
           io_apic            1            4K            1
            sahead            1            4K            1
          secasvar            1            4K            1
           CAM CCB            1            4K         1764
          pci_link           10            4K           10
             mkdir           10            4K           22
            select           10            4K           34
               msi            9            4K            9
             DEVFS            9            4K           10
               osd            8            4K           20
             ipsec            3            3K            3
             nhops            6            3K            6
          sctp_ifa            7            3K            8
            DEVFSP            7            3K           12
          nexusdev            7            3K            7
         newdirblk            7            3K           11
            ip6ndp            6            3K            7
            feeder            7            3K            7
         toponodes            6            3K            6
            prison            6            3K            6
            isadev            6            3K            6
           softdep            1            2K            1
          indirdep            4            2K            4
       vnodemarker            2            2K            8
      NFSD session            1            2K            1
             linux            5            2K            6
        CAM periph            4            2K          271
            soname            5            2K         3256
          filecaps            5            2K           72
            crypto            4            2K            4
               tun            4            2K            4
          in_multi            3            2K            5
              pfil            4            2K            4
          CAM path            4            2K         1034
          sctp_ifn            3            2K            8
               mld            3            2K            3
           tcpfunc            3            2K            3
              igmp            3            2K            3
        loginclass            3            2K            7
    chacha20random            1            1K            1
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
          procdesc            2            1K            8
              cdev            2            1K            2
        aesni_data            2            1K            2
              cpus            2            1K            2
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K           49
           entropy            2            1K           39
          mbuf_tag            2            1K           46
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
          pmchooks            1            1K            1
           tcp_fsb            1            1K            1
          sctp_vrf            1            1K            1
            apmdev            1            1K            1
 CAM I/O Scheduler            1            1K            1
          freework            1            1K           26
          freefrag            1            1K            6
    vnet_data_free            1            1K            1
              vnet            1            1K            1
               iov            1            1K        13976
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
            mqdata            0            0K            0
            tcp_do            0            0K            0
          chd data            0            0K            0
        cubic data            0            0K            0
        dctcp data            0            0K            0
         htcp data            0            0K            0
        vegas data            0            0K            0
          cdg data            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            5
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            5
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          pf_table            0            0K            0
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ag_tgt_map_t malloc            0            0K            0
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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     892       12283       0     254   37732352        0
        malloc-384    384   34463      17       35756       0      30   13240320        0
       malloc-1024   1024    4241      19        4483       0      16    4362240        0
       malloc-8192   8192     328       1         488       0       1    2695168        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8592     948       14393       0     254    2442240        0
          BUF TRIE    144     169   13299         387       0      62    1939392        0
       UMA Slabs 0    112   11402       7       11402       0     126    1277808        0
        malloc-384    384    1960      20       55575       0      30     760320        0
        malloc-384    384    1886      14        8869       0      30     729600        0
         FFS inode   1160     507      18         516       0       8     609000        0
       malloc-8192   8192      54       1         900       0       1     450560        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
        RADIX NODE    144    2319     170       21426       0      62     358416        0
        malloc-512    512     602      22         650       0      30     319488        0
        malloc-384    384     769      21        9444       0      30     303360        0
       malloc-1024   1024     270       2         680       0      16     278528        0
         VM OBJECT    264    1006      14       13343       0      30     269280        0
      malloc-65536  65536       4       0           5       0       1     262144        0
            THREAD   1808     135       8         135       0       8     258544        0
             VNODE    448     539      19         550       0      30     249984        0
            DEVCTL   1024       0     216         120       0       0     221184        0
       malloc-2048   2048     107       1         277       0       8     221184        0
       malloc-4096   4096      15      35        2772       0       2     204800        0
      malloc-65536  65536       3       0           3       0       1     196608        0
      malloc-65536  65536       1       2         177       0       1     196608        0
      malloc-32768  32768       3       3         139       0       1     196608        0
      malloc-16384  16384      10       2          17       0       1     196608        0
         UMA Zones    768     242       2         242       0      16     187392        0
      malloc-16384  16384       9       2         240       0       1     180224        0
      malloc-16384  16384       9       0           9       0       1     147456        0
         vmem btag     56    2373      63        2373       0     254     136416        0
        256 Bucket   2048      59       7       10042       0       8     135168        0
       FFS2 dinode    256     507      18         516       0      62     134400        0
       malloc-8192   8192      14       2         564       0       1     131072        0
        malloc-384    384     286      34       14053       0      30     122880        0
          ksiginfo    112      47     997          67       0     126     116928        0
      malloc-16384  16384       3       4          33       0       1     114688        0
       malloc-8192   8192      12       2         218       0       1     114688        0
        malloc-512    512     187      29        1556       0      30     110592        0
       S VFS Cache    104     984      69        1023       0     126     109512        0
         MAP ENTRY     96    1028     106       40068       0     126     108864        0
      malloc-32768  32768       3       0          18       0       1      98304        0
      mbuf_cluster   2048      45       1          45       0     254      94208        0
          UMA Kegs    384     227       6         227       0      30      89472        0
              PROC   1328      51      15         816       0       8      87648        0
            clpbuf   2624       0      32          14       0      16      83968        0
           VMSPACE   2544      29       4         795       0       4      83952        0
        malloc-512    512     134      18         536       0      30      77824        0
             g_bio    408       4     176        4569       0      30      73440        0
        malloc-384    384     186       4         220       0      30      72960        0
         filedesc0   1072      52      11         817       0       8      67536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-16384  16384       3       1           4       0       1      65536        0
      malloc-16384  16384       4       0           4       0       1      65536        0
        malloc-512    512     112       8         315       0      30      61440        0
        malloc-384    384     103      47         627       0      30      57600        0
       malloc-4096   4096      10       3          35       0       2      53248        0
       malloc-1024   1024      34      18          55       0      16      53248        0
       malloc-1024   1024      40       8         978       0      16      49152        0
        malloc-384    384      81      39         931       0      30      46080        0
         32 Bucket    256      62     118        8341       0      62      46080        0
       malloc-2048   2048       2      20         510       0       8      45056        0
        128 Bucket   1024      22      21         147       0      16      44032        0
           DIRHASH   1024      34       6          34       0      16      40960        0
             NAMEI   1024       0      36       12502       0      16      36864        0
       malloc-2048   2048       4      14         153       0       8      36864        0
       malloc-2048   2048      14       4         949       0       8      36864        0
        malloc-512    512      21      51         509       0      30      36864        0
            pcpu-8      8    4343     265        4403       0     254      36864        0
            socket    944      25      11        1285       0     254      33984        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048      16       0          16       0       8      32768        0
           pcpu-64     64     486      26         486       0     254      32768        0
       malloc-2048   2048      10       4          14       0       8      28672        0
       malloc-1024   1024      28       0          34       0      16      28672        0
         64 Bucket    512      39      17        1412       0      30      28672        0
       malloc-8192   8192       0       3          13       0       1      24576        0
       malloc-4096   4096       4       2          20       0       2      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
         TURNSTILE    136     144      24         144       0      62      22848        0
       malloc-4096   4096       0       5           9       0       2      20480        0
       malloc-4096   4096       5       0           8       0       2      20480        0
       malloc-4096   4096       4       1          17       0       2      20480        0
        malloc-512    512      22      18         116       0      30      20480        0
          2 Bucket     32      75     555        1429       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        0
              pipe    744      12      13         299       0      16      18600        0
        SLEEPQUEUE     88     144      48         144       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-2048   2048       7       1           7       0       8      16384        0
       malloc-1024   1024       8       8          40       0      16      16384        0
             tcpcb   1064       4      10           8       0     254      14896        0
       malloc-1024   1024       5       7          26       0      16      12288        0
        malloc-512    512      16       8          16       0      30      12288        0
        malloc-512    512      21       3         344       0      30      12288        0
             Files     80     101      49        6818       0     126      12000        0
          8 Bucket     80      34     116         397       0     126      12000        0
         udp_inpcb    488       9      15         138       0     254      11712        0
              kenv    258      15      30        1047       0      30      11610        0
             unpcb    256      11      34        1114       0     254      11520        0
       mbuf_packet    256       1      44         120       0     254      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       2       0           2       0       2       8192        0
       malloc-2048   2048       1       3           6       0       8       8192        0
       malloc-1024   1024       0       8           9       0      16       8192        0
           rtentry    176      18      28          22       0      62       8096        0
              PGRP     88      23      69          34       0     126       8096        0
    ertt_txseginfo     40       0     202         177       0     254       8080        0
          rl_entry     40      40     162          40       0     254       8080        0
        sctp_laddr     48       0     168           6       0     254       8064        0
             udpcb     32       6     246         138       0     254       8064        0
              ertt     72       4     108           8       0     126       8064        0
               PWD     32      13     239         104       0     254       8064        0
         16 Bucket    144      38      18        1316       0      62       8064        0
          4 Bucket     48       6     162          57       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1206       0     254       8016        0
             KNOTE    160       8      42          54       0      62       8000        0
             ripcb    488       2      14           5       0     254       7808        0
         tcp_inpcb    488       4      12           8       0     254       7808        0
     routing nhops    256      15      15          22       0      62       7680        0
      tcp_rack_pcb    832       1       8           1       0      16       7488        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
      tcp_rack_map    112       3      33           3       0     126       4032        0
          tcpreass     48       1      83           1       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          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
   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   1280       0       0           0       0     254          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      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    304       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
     udplite_inpcb    488       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    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
        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    584       0       0           0       0      16          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          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 (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/05/24 06:59 freebsd-src a269183875f6 3c7fef33 console log report syz Fatal trap 12: page fault in rack_process_to_cumack
ci-freebsd-main 2021/05/24 06:47 freebsd-src a269183875f6 3c7fef33 console log report Fatal trap 12: page fault in rack_process_to_cumack
ci-freebsd-i386 2021/05/24 13:38 freebsd-src e779604f1d4e 3c7fef33 console log report Fatal trap 12: page fault in rack_process_to_cumack
* Struck through repros no longer work on HEAD.