syzbot


panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_

Status: fixed on 2022/06/14 07:46
Reported-by: syzbot+5ac6a8777481bbe86395@syzkaller.appspotmail.com
Fix commit: 1575804961d2 reap_kill_proc(): avoid singlethreading any other process if we are exiting
First crash: 283d, last: 239d

Sample crash report:
panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != 0 failed at /syzkaller/managers/main/kernel/sys/kern/kern_procctl.c:383
cpuid = 0
time = 1654979189
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a68f4690
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a68f47f0
vpanic() at vpanic+0x254/frame 0xfffffe00a68f48d0
panic() at panic+0xb5/frame 0xfffffe00a68f4990
reap_kill() at reap_kill+0xa0e/frame 0xfffffe00a68f4ba0
kern_procctl() at kern_procctl+0x51a/frame 0xfffffe00a68f4c10
sys_procctl() at sys_procctl+0x247/frame 0xfffffe00a68f4d30
amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe00a68f4f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00a68f4f30
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x28a47a, rsp = 0x831c77f08, rbp = 0x831c77f70 ---
KDB: enter: panic
[ thread pid 50209 tid 153593 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x275bd0a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe0097a93000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe00a68f47d0
rbp         0xfffffe00a68f47f0
rsi                    0x40001
rdi         0xffffffff8172ade8  printf+0x158
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0053de6fd0
r12                          0
r13         0xfffffe00a6b13900
r14         0xffffffff82b5a9c0  .str.26
r15         0xffffffff82b5a9c0  .str.26
rip         0xffffffff8171a90b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x275bd0a(%rip)
db> show proc
Process 50209 (syz-executor.3) at 0xfffffe00a6adc548:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 781 at 0xfffffe0092b97548
 ABI: FreeBSD ELF64
 flag: 0x10080480  flag2: 0
 arguments: /root/syz-executor.3 exec
 reaper: 0xfffffe0053de3000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00a6ba73f0
   (map 0xfffffe00a6ba73f0)
   (map.pmap 0xfffffe00a6ba74b0)
   (pmap 0xfffffe00a6ba7518)
 threads: 2
150723                   s                                   syz-executor.3
153593                   Run     CPU 0                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
50209   781 50209     0  Ts      (threaded)                  syz-executor.3
150723                   s                                   syz-executor.3
153593                   Run     CPU 0                       syz-executor.3
16666     0     0     0  DL      -       0xffffffff83f639c0  [soaiod4]
16665     0     0     0  DL      -       0xffffffff83f639c0  [soaiod3]
16664     0     0     0  DL      -       0xffffffff83f639c0  [soaiod2]
16663     0     0     0  DL      -       0xffffffff83f639c0  [soaiod1]
15891 15890   777     0  SV      uwait   0xfffffe00a496e980  syz-executor.1
15890     1   777     0  DV      ppwait  0xfffffe00a4eb9f88  syz-executor.1
15881 15880   777     0  SV      uwait   0xfffffe00a4ef1a80  syz-executor.1
15880     1   777     0  DV      ppwait  0xfffffe00a50d0a40  syz-executor.1
15553 15551   781     0  SV      uwait   0xfffffe00a4ef3280  syz-executor.3
15551     1   781     0  DV      ppwait  0xfffffe00a4f074f8  syz-executor.3
  846     1   779     0  REV     CPU 1                       syz-executor.2
  828     0     0     0  DL      aiordy  0xfffffe009966f548  [aiod4]
  827     0     0     0  DL      aiordy  0xfffffe0058c34000  [aiod3]
  826     0     0     0  DL      aiordy  0xfffffe009966fa90  [aiod2]
  825     0     0     0  DL      aiordy  0xfffffe0099670000  [aiod1]
  822     1   779     0  RV                                  syz-executor.2
  781   774   781     0  Rs                                  syz-executor.3
  779   774   779     0  Rs                                  syz-executor.2
  777   774   777     0  Rs                                  syz-executor.1
  776   774   776     0  Rs                                  syz-executor.0
  774   772   772     0  R       (threaded)                  syz-fuzzer
100113                   RunQ                                syz-fuzzer
100115                   S       uwait   0xfffffe008fe3b400  syz-fuzzer
100116                   S       uwait   0xfffffe008fe3b500  syz-fuzzer
100117                   S       uwait   0xfffffe008fe3b600  syz-fuzzer
100118                   S       uwait   0xfffffe008fe3b700  syz-fuzzer
100119                   S       kqread  0xfffffe0053c91a00  syz-fuzzer
100120                   S       uwait   0xfffffe008fe3a480  syz-fuzzer
100122                   S       uwait   0xfffffe0057879780  syz-fuzzer
100124                   S       uwait   0xfffffe008fe3a580  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffffe0056f9b5f8  csh
  770   688   770     0  Rs                                  sshd
  754     1   754     0  Rs+                                 getty
  753     1   753     0  Rs+                                 getty
  752     1   752     0  Rs+                                 getty
  751     1   751     0  Rs+                                 getty
  750     1   750     0  Rs+                                 getty
  749     1   749     0  Rs+                                 getty
  748     1   748     0  Rs+                                 getty
  747     1   747     0  Rs+                                 getty
  746     1   746     0  Rs+                                 getty
  692     1   692     0  Rs                                  cron
  688     1   688     0  Rs                                  sshd
  501     1   501     0  Ss      select  0xfffffe008fe3aec0  syslogd
  430     1   430     0  Rs                                  devd
  429     1   429    65  Rs                                  dhclient
  344     1   344     0  Rs                                  dhclient
  341     1   341     0  Rs                                  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe0057992548  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff83f694e0  [syncer]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83f67b00  [bufdaemon]
100082                   D       -       0xffffffff83211f80  [bufspacedaemon-0]
100092                   D       sdflush 0xfffffe00579488e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83f9b5c0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83f8f478  [dom0]
100080                   D       launds  0xffffffff83f8f484  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e4c3f0  [uma]
    7     0     0     0  DL      -       0xffffffff83c002a8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84716550  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84b3a420  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83aa3240  [doneq0]
100045                   D       -       0xffffffff83aa31c0  [async]
100076                   D       -       0xffffffff83aa3040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056f00c88  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff83f8aca0  [crypto]
100041                   D       crypto_ 0xfffffe0053ed8d30  [crypto returns 0]
100042                   D       crypto_ 0xfffffe0053ed8d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff83e192c0  [g_event]
100036                   D       -       0xffffffff83e192e0  [g_up]
100037                   D       -       0xffffffff83e19300  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100015                   I                                   [swi5: fast taskq]
100018                   I                                   [swi6: task queue]
100019                   I                                   [swi6: Giant taskq]
100031                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053de3000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f8b780  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e19cc0  [swapper]
100005                   D       -       0xfffffe0053e94100  [if_config_tqg_0]
100006                   D       -       0xfffffe0053e94000  [softirq_0]
100007                   D       -       0xfffffe0053e93e00  [softirq_1]
100008                   D       -       0xfffffe0053e93d00  [if_io_tqg_0]
100009                   D       -       0xfffffe0053e93c00  [if_io_tqg_1]
100010                   D       -       0xfffffe000796d600  [inm_free taskq]
100011                   D       -       0xfffffe000796d400  [linuxkpi_irq_wq]
100012                   D       -       0xfffffe000796d200  [in6m_free taskq]
100013                   D       -       0xfffffe000796d000  [deferred_unmount ta]
100014                   D       -       0xfffffe000796cd00  [thread taskq]
100016                   D       -       0xfffffe000796c900  [kqueue_ctx taskq]
100017                   D       -       0xfffffe000796c700  [pci_hp taskq]
100020                   D       -       0xfffffe000796c100  [aiod_kick taskq]
100021                   D       -       0xfffffe000796be00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe000796be00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe000796be00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe000796be00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe000796b900  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe000796b900  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe000796b900  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe000796b900  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe0053f06300  [firmware taskq]
100038                   D       -       0xfffffe0053f05d00  [crypto_0]
100039                   D       -       0xfffffe0053f05d00  [crypto_1]
100055                   D       -       0xfffffe0053f04e00  [vtnet0 rxq 0]
100056                   D       -       0xfffffe0053f04d00  [vtnet0 txq 0]
100057                   D       -       0xfffffe0053f04c00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe0053f04b00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe005730da00  [virtio_balloon]
100066                   D       -       0xffffffff82b60840  [deadlkres]
100070                   D       -       0xfffffe000796e200  [mca taskq]
100071                   D       -       0xfffffe005787e000  [acpi_task_0]
100072                   D       -       0xfffffe005787e000  [acpi_task_1]
100073                   D       -       0xfffffe005787e000  [acpi_task_2]
100075                   D       -       0xfffffe0053f05600  [CAM taskq]
  830   822   779     0  Z                                   syz-executor.2
  850   846   779     0  Z                                   syz-executor.2
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4217         4323K         4245
         sysctloid        35322         2081K        35393
             vtbuf           24         1968K           46
          inodedep         2538         1464K        52819
           subproc         3199         1418K        53437
              kobj          328         1312K          490
            newblk           37         1033K        46721
          vfscache            3         1025K            3
              umtx         6468          809K         6468
           kdtrace         3262          805K       103816
              vmem            3          608K           13
               pcb           19          537K         5387
          freework         2140          535K        46218
          freeblks         2139          535K        46217
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          freefile         2524          316K        48444
          filedesc           26          201K        98551
            acpica         1674          184K        57552
         vnet_data            1          168K            1
            Unitno         5224          165K         6199
           tidhash            3          141K            3
            linker          358          134K         1618
           pagedep           22          134K        46227
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
            dirrem          399          100K        48455
               bus          995           81K         5208
          mtx_pool            2           72K            2
          syncache            1           68K            1
            module          514           65K          514
          acpitask            1           64K            1
       ddb_capture            1           64K            1
             mount          142           52K         5669
              temp           46           34K         4518
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K          591
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
               BPF           14           19K          600
         ufs_mount            4           17K            5
              proc            3           17K            3
           lltable           51           17K           81
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           97           16K           97
            bus-sc           34           15K         1681
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          282
      eventhandler          136           12K          136
              kenv           95           12K           95
              rman           88           11K          431
              GEOM           61           11K          490
         CAM queue            5           11K         1528
         in6_multi           65            9K           65
         bmsafemap            2            9K        48557
              UART           12            9K           12
           devstat            4            9K            4
         sctp_timw           32            8K           32
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K          321
       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
            kqueue           62            6K        52210
              cred           22            6K          287
            plimit           20            5K          499
       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
            DEVFSP           60            4K         1430
           pwddesc           57            4K        50217
           acpisem           28            4K           28
             hhook           15            4K           17
          kcovinfo           52            4K           52
           session           24            3K          779
          terminal           11            3K           11
         proc-args           73            3K        51595
             lockf           24            3K           70
           uidinfo            3            3K           14
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         newdirblk           16            2K        46208
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
             selfd           27            2K       698225
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
               msi           12            2K           12
          in_multi            6            2K           32
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
             mkdir            8            1K        92416
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          100
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           50
          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
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
            diradd            4            1K        48492
              pfil            4            1K            4
              cdev            2            1K            2
               osd            8            1K         6336
       inpcbpolicy           12            1K        23398
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            CC Mem            4            1K         6489
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K          919
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          procdesc            1            1K           14
          pmchooks            1            1K            1
            soname            4            1K        25590
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           47
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          filecaps            1            1K          102
           filemon            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K           12
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K         2850
         sctp_atky            0            0K         3069
         sctp_atcl            0            0K         2850
         sctp_a_it            0            0K           12
         sctp_aadr            0            0K            0
         sctp_stro            0            0K          219
         sctp_stri            0            0K            0
          sctp_map            0            0K          438
            tcp_do            0            0K            0
           tcp_fsb            0            0K           40
          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
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
               ixl            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            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
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
          xen_intr            0            0K            0
      NFSD V4state            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
            DEVFS4            0            0K            0
     vm_fictitious            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
          xen_acpi            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           UMAHash            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K        34594
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           48
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefrag            0            0K            2
        allocindir            0            0K            0
          indirdep            0            0K           10
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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               NLM            0            0K            0
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               USB            0            0K            0
               LRO            0            0K            0
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              ipid            0            0K            0
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      80211ratectl            0            0K            0
        80211power            0            0K            0
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         80211node            0            0K            0
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            statfs            0            0K        49061
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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
      malloc-16384  16384      15    3055       49453       0       1   50298880        0
   mbuf_jumbo_page   4096    8320    1078       99177       0     254   38494208        0
         VM OBJECT    264    1829   54571     1012193       0      30   14889600        0
       malloc-4096   4096     388    3064       51091       0       2   14139392        0
         MAP ENTRY     96    1876  102830     2392047       0     126   10051776        0
        RADIX NODE    144    9489   35362      730761       0      62    6458544        0
            THREAD   1808    3201      33       53598       0       8    5847072        0
           VMSPACE   2552      30    2172       47137       0       4    5619504        0
              PROC   1352      59    3079       50216       0       8    4242576        0
         filedesc0   1072      57    3079       50217       0       8    3361792        0
              mbuf    256    8614    4349      379312       0     254    3318528        0
         FFS inode   1160     522    2180       48967       0       8    3134320        0
     FPU_save_area    832    3203      46       57359       0      16    2703168        0
            socket    960      21    2775       53739       0     254    2684160        0
         vmem btag     56   41310    1425       43392       0     254    2393160        0
              pbuf   2624       0     794           0       0       2    2083456        0
       UMA Slabs 0    112   17305       5       17305       0     126    1938720        0
          BUF TRIE    144     184   11604        1349       0      62    1697472        0
        malloc-384    384    4117      23        4117       0      30    1589760        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11600     397      104152       0     126    1535616        0
        malloc-384    384    2601    1359       52935       0      30    1520640        0
              pipe    744      21    1854        7232       0      16    1395000        0
             VNODE    448     561    2229       49008       0      30    1249920        0
        malloc-384    384    3159      21        4925       0      30    1221120        0
        malloc-256    256     515    3520       95531       0      62    1032960        0
        128 Bucket   1024     930      17        5435       0      16     969728        0
        malloc-128    128    7239     201        8545       0     126     952320        0
        malloc-256    256      50    3490       85579       0      62     906240        0
        malloc-256    256    3246     174       54578       0      62     875520        0
             tcpcb   1104       4     759        6325       0     254     842352        0
     udplite_inpcb    424       1    1925        3706       0      30     816624        0
       FFS2 dinode    256     522    2268       48966       0      62     714240        0
         malloc-64     64    4187    6523      104883       0     254     685440        0
        malloc-128    128    3810    1491      133581       0     126     678528        0
           sctp_ep   1208       0     510        2631       0     254     616080        0
        malloc-256    256    2197      98       46449       0      62     587520        0
         sctp_asoc   2256       0     255         219       0     254     575280        0
        malloc-256    256    2192      43       47289       0      62     572160        0
        256 Bucket   2048     270       6        2979       0       8     565248        0
         32 Bucket    256    2086      89       33474       0      62     556800        0
             Files     80     165    6285      152509       0     126     516000        0
         TURNSTILE    136    3235      62        3235       0      62     448392        0
         64 Bucket    512     742      34       40882       0      30     397312        0
          ksiginfo    112    3141     387       13013       0     126     395136        0
          lkpicurr    168       2    2350           2       0      62     395136        0
            lkpimm    168       1    2327           1       0      62     391104        0
        SLEEPQUEUE     88    3235     189        3235       0     126     301312        0
         malloc-16     16   14686    3814       65623       0     254     296000        0
      malloc-65536  65536       1       3         609       0       1     262144        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-32     32    5400    2538       30216       0     254     254016        0
         malloc-64     64     186    3657      755108       0     254     245952        0
       malloc-2048   2048       1     119        2634       0       8     245760        0
            DEVCTL   1024       0     220         154       0       0     225280        0
           tcp_log    416       0     513          16       0     254     213408        0
             unpcb    256       8     757       27656       0     254     195840        0
       mbuf_packet    256      11     751       49236       0     254     195072        0
        sctp_raddr    736       0     264         219       0     254     194304        0
         UMA Zones    768     244       0         244       0      16     187392        0
         malloc-32     32    5318     352        6562       0     254     181440        0
       S VFS Cache    104    1049     472       53376       0     126     158184        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
      malloc-32768  32768       1       3         122       0       1     131072        0
       malloc-1024   1024     114      14         131       0      16     131072        0
        malloc-256    256      75     435       48623       0      62     130560        0
         malloc-32     32     157    3749       49618       0     254     124992        0
          2 Bucket     32    3118     284       12048       0     254     108864        0
          8 Bucket     80    1087     213        9302       0     126     104000        0
       malloc-4096   4096       7      17         565       0       2      98304        0
               PWD     32      19    2879       46310       0     254      92736        0
         tcp_inpcb    424       4     212        6325       0      30      91584        0
          UMA Kegs    384     230       3         230       0      30      89472        0
             g_bio    408       0     210       19433       0      30      85680        0
             udpcb     32       7    2639       15276       0     254      84672        0
        malloc-128    128     103     548       46423       0     126      83328        0
       malloc-4096   4096      14       6       49088       0       2      81920        0
         udp_inpcb    424       6     174       11570       0      30      76320        0
       malloc-8192   8192       5       4         136       0       1      73728        0
         malloc-64     64     514     557       20155       0     254      68544        0
        malloc-128    128     295     232         917       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2          43       0       1      65536        0
       malloc-2048   2048      22      10        4456       0       8      65536        0
       malloc-2048   2048       7      25        1382       0       8      65536        0
       malloc-2048   2048       9      23        1122       0       8      65536        0
        malloc-256    256     155     100         175       0      62      65280        0
        malloc-256    256      56     199        2974       0      62      65280        0
             ripcb    424       1     152        1797       0      30      64872        0
        malloc-384    384       0     150        2850       0      30      57600        0
         16 Bucket    144     310      82        1578       0      62      56448        0
         malloc-64     64     487     332         709       0     254      52416        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48      234394       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-1024   1024       8      40        1055       0      16      49152        0
        malloc-512    512       4      92         566       0      30      49152        0
             AIOCB    552       0      84        9855       0      16      46368        0
            da_ccb    544       0      84        4963       0      16      45696        0
            pcpu-8      8    4649     983        8739       0     254      45056        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16          17       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-4096   4096       9       1           9       0       2      40960        0
          4 Bucket     48     544     296        2007       0     254      40320        0
               AIO    208       0     190        6737       0      62      39520        0
         malloc-64     64      23     544        1686       0     254      36288        0
         malloc-64     64     124     443        1536       0     254      36288        0
         malloc-64     64     136     431         195       0     254      36288        0
         malloc-64     64       5     562        1564       0     254      36288        0
        malloc-128    128      72     207        1008       0     126      35712        0
        malloc-128    128       7     272          18       0     126      35712        0
        malloc-128    128      10     269         267       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      53      37         394       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2        3436       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-8192   8192       2       2         308       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048       8       8           8       0       8      32768        0
       malloc-2048   2048       2      14          26       0       8      32768        0
       malloc-2048   2048       5      11        1183       0       8      32768        0
       malloc-1024   1024       0      32          11       0      16      32768        0
       malloc-1024   1024      10      22        1585       0      16      32768        0
       malloc-1024   1024      18      14          22       0      16      32768        0
       malloc-1024   1024       5      27          21       0      16      32768        0
       malloc-1024   1024       9      23         321       0      16      32768        0
        malloc-512    512       9      55         116       0      30      32768        0
        malloc-512    512       2      62         566       0      30      32768        0
        malloc-512    512       2      62         101       0      30      32768        0
        malloc-512    512       0      64           3       0      30      32768        0
           pcpu-64     64     493      19         493       0     254      32768        0
    ertt_txseginfo     40       0     808       93425       0     254      32320        0
      tcp_rack_pcb    896       0      36          40       0      16      32256        0
sctp_stream_msg_out    112       1     287         142       0     254      32256        0
             KNOTE    160      28     172      311689       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
   udp_inpcb ports     32       3     879        3255       0     254      28224        0
              ertt     72       4     388        6325       0     126      28224        0
         malloc-32     32     291     591        7842       0     254      28224        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       3       3         199       0       2      24576        0
       malloc-4096   4096       2       4         871       0       2      24576        0
           rtentry    176      30     108          34       0      62      24288        0
              PGRP     88      24     252        1096       0     126      24288        0
          rl_entry     40     111     495         111       0     254      24240        0
            itimer    352       0      66          82       0      30      23232        0
        malloc-384    384       2      58          44       0      30      23040        0
         hostcache     64       1     314           1       0     254      20160        0
udplite_inpcb ports     32       0     630          14       0     254      20160        0
              AIOP     32       4     626           4       0     254      20160        0
         malloc-32     32     117     513         540       0     254      20160        0
         malloc-32     32       0     630         126       0     254      20160        0
         malloc-32     32      40     590         737       0     254      20160        0
         malloc-32     32      21     609        3520       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        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       0       4           5       0       2      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-1024   1024       8       8           9       0      16      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
      vtnet_tx_hdr     24       0     668      100000       0     254      16032        0
         malloc-16     16      23     977        9114       0     254      16000        0
              kenv    258      15      45        1049       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
   tcp_inpcb ports     32       2     376           2       0     254      12096        0
         malloc-16     16     330     420        1652       0     254      12000        0
         malloc-16     16      18     732          19       0     254      12000        0
         malloc-16     16     185     565        3531       0     254      12000        0
         malloc-16     16      27     723       54494       0     254      12000        0
         malloc-16     16      11     739        2944       0     254      12000        0
       L VFS Cache    320       0      36           1       0      30      11520        0
        malloc-384    384      27       3          27       0      30      11520        0
         malloc-16     16       1     499           1       0     254       8000        0
           pcpu-16     16       7     249           7       0     254       4096        0
       UMA Slabs 1    176      11      11          11       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
            pcpu-4      4       1     511           1       0     254       2048        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
               ipq     56       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     72       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            AIOLIO    272       0       0           0       0      30          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-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-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2022/06/11 20:26 freebsd-src 013e516dc9b1 0d5abf15 console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
ci-freebsd-main 2022/06/11 04:43 freebsd-src 36447829aee5 0d5abf15 console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
ci-freebsd-main 2022/06/03 19:16 freebsd-src 1326017849ee eee80d3c console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
ci-freebsd-main 2022/05/26 06:52 freebsd-src 20b2b464ebb6 3037caa9 console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
ci-freebsd-main 2022/05/26 06:02 freebsd-src 20b2b464ebb6 3037caa9 console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
ci-freebsd-main 2022/05/12 19:06 freebsd-src f9e90c24737f 9ad6612a console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
ci-freebsd-main 2022/04/29 05:44 freebsd-src 9fb40baf6043 7c337266 console log report panic: Assertion (t->parent->p_treeflag & P_TREE_REAPER) != NUM failed at /syzkaller/managers/main/kernel/sys/kern/kern_
* Struck through repros no longer work on HEAD.