syzbot


panic: H:ADDR p_prev_slot:LINE not equal to p_cur_slot:NUM (2)

Status: closed as dup on 2021/09/19 10:37
Reported-by: syzbot+ff762cece2d5e5344ffb@syzkaller.appspotmail.com
First crash: 994d, last: 994d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: H:ADDR p_prev_slot:NUM not equal to p_cur_slot:NUM 15 994d 1159d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: H:ADDR p_prev_slot:LINE not equal to p_cur_slot:NUM 1 1132d 1132d 0/2 auto-closed as invalid on 2021/05/20 15:18
freebsd panic: H:ADDR p_prev_slot:LINE not equal to p_cur_slot:LINE 1 1028d 1028d 0/2 auto-closed as invalid on 2021/09/01 15:52
freebsd panic: H:ADDR p_prev_slot:NUM not equal to p_cur_slot:NUM 15 994d 1159d 0/2 auto-closed as invalid on 2021/10/06 05:41

Sample crash report:
panic: H:0xfffffe0057fc9d00 p_prev_slot:2925 not equal to p_cur_slot:15588
cpuid = 1
time = 1625700130
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00572303f0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0057230550
vpanic() at vpanic+0x2c5/frame 0xfffffe0057230630
panic() at panic+0xb5/frame 0xfffffe00572306f0
tcp_hpts_thread() at tcp_hpts_thread+0x2aa9/frame 0xfffffe0057230a50
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe0057230bb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0057230bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0057230bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100084 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f86da(%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         0xef488b33bab478de
rdx                        0x1
rbx                          0
rsp         0xfffffe0057230530
rbp         0xfffffe0057230550
rsi                          0
rdi         0xffffffff81799939  vprintf+0x319
r8                         0x3
r9          0xfffffe0057230088
r10                          0
r11         0xfffffe009e486530
r12         0xfffffe0057fca000
r13         0xfffffe0057230501
r14         0xffffffff82c3df20  .str.18
r15         0xffffffff82c3df20  .str.18
rip         0xffffffff8178d35b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28f86da(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053deca70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff84026e00
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff84026e00 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff84027d80
   (map 0xffffffff84027d80)
   (map.pmap 0xffffffff84027e40)
   (pmap 0xffffffff84027ea0)
 threads: 23
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   I                                   [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                   Run     CPU 1                       [swi1: hpts]
100085                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1162   805   805     0  T       (threaded)                  syz-executor.2
100103                   s                                   syz-executor.2
100571                   RunQ                                syz-executor.2
100572                   RunQ                                syz-executor.2
 1161   850   850     0  T       (threaded)                  syz-executor.3
100097                   s                                   syz-executor.3
100569                   RunQ                                syz-executor.3
100570                   L      *sctp-in 0xfffffe009e9f4c00  syz-executor.3
100579                   RunQ                                syz-executor.3
100580                   L      *sctp-in 0xfffffe009e9f4c00  syz-executor.3
100581                   L      *sctp-in 0xfffffe009e9f4c00  syz-executor.3
 1160   785   785     0  T       (threaded)                  syz-executor.0
100134                   s                                   syz-executor.0
100567                   RunQ                                syz-executor.0
100568                   L      *sctp-in 0xfffffe0057fd03c0  syz-executor.0
100577                   L      *sctp-cr 0xfffffe009e9f4540  syz-executor.0
100578                   L      *sctp-in 0xfffffe0057fd03c0  syz-executor.0
  994   988   994     0  Ss      select  0xfffffe00a60a6ac0  dhclient
  991     1   991     0  Ss      select  0xfffffe00a60a6a40  dhclient
  988   973   436    65  S       select  0xfffffe00a60a6bc0  dhclient
  973   436   436     0  S       wait    0xfffffe009bc86000  sh
  850   780   850     0  Ss      wait    0xfffffe009e501538  syz-executor.3
  805   780   805     0  Ss      wait    0xfffffe009bc86a70  syz-executor.2
  786   780   786     0  Rs                                  syz-executor.1
  785   780   785     0  Ss      wait    0xfffffe0058423000  syz-executor.0
  780   778   778     0  R       (threaded)                  syz-fuzzer
100101                   S       uwait   0xfffffe00587fc000  syz-fuzzer
100119                   RunQ                                syz-fuzzer
100120                   RunQ                                syz-fuzzer
100121                   S       uwait   0xfffffe009e44e580  syz-fuzzer
100122                   S       uwait   0xfffffe009e2aa880  syz-fuzzer
100123                   S       uwait   0xfffffe009e2aa580  syz-fuzzer
100124                   S       uwait   0xfffffe009e2aa980  syz-fuzzer
100125                   S       uwait   0xfffffe009e2aa680  syz-fuzzer
100171                   S       uwait   0xfffffe009e9f3080  syz-fuzzer
100172                   S       uwait   0xfffffe009e969400  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe009bef5b20  csh
  776   694   776     0  Ss      select  0xfffffe009e969f40  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056cbfcb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00580790b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00580794b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00580798b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe0058079cb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe0057fd10b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe0057fd14b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe0057fd18b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0057fd1cb0  getty
  698     1   698     0  Rs                                  cron
  694     1   694     0  Ss      select  0xfffffe009e44ee40  sshd
  507     1   507     0  Ss      select  0xfffffe009beda3c0  syslogd
  436     1   436     0  Ss      wait    0xfffffe009bcfc538  devd
  435     1   435    65  Ss      select  0xfffffe009beda740  dhclient
  350     1   350     0  Ss      select  0xfffffe009beda4c0  dhclient
  347     1   347     0  Ss      select  0xfffffe009e2aad40  dhclient
   23     0     0     0  DL      syncer  0xffffffff84178a40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0058423a70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100081                   D       qsleep  0xffffffff84176940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   D       sdflush 0xfffffe009bd14ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841aeac0  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100079                   D       psleep  0xffffffff841a25f8  [dom0]
100087                   D       launds  0xffffffff841a2604  [laundry: dom0]
100088                   D       umarcl  0xffffffff81e7afa0  [uma]
   18     0     0     0  DL      -       0xffffffff83e09ae0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84d623c0  [sctp_iterator]
   16     0     0     0  RL                                  [pf purge]
   15     0     0     0  DL      -       0xffffffff84171dc0  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84171dc0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84171dc0  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84171dc0  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83c8f240  [doneq0]
100045                   D       -       0xffffffff83c8f1c0  [async]
100078                   D       -       0xffffffff83c8f040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0053f8ec88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe0053e8ad80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe0053e8ad30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8419c6a0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff84025f00  [g_event]
100036                   D       -       0xffffffff84025f40  [g_up]
100037                   D       -       0xffffffff84025f80  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e16e00  [thr_0]
100029                   D       -       0xfffffe0053e16e80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   I                                   [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                   Run     CPU 1                       [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    0xfffffe0053d51538  [init]
   10     0     0     0  DL      audit_w 0xffffffff8419d640  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84026e00  [swapper]
100005                   D       -       0xfffffe0053c0d800  [if_config_tqg_0]
100006                   D       -       0xfffffe0053c0d600  [softirq_0]
100007                   D       -       0xfffffe0053c0d400  [softirq_1]
100008                   D       -       0xfffffe0053c0d200  [if_io_tqg_0]
100009                   D       -       0xfffffe0053c0d000  [if_io_tqg_1]
100010                   D       -       0xfffffe0007919700  [pci_hp taskq]
100013                   Run     CPU 0                       [thread taskq]
100014                   D       -       0xfffffe0007919300  [inm_free taskq]
100016                   D       -       0xfffffe0007919100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0007919000  [kqueue_ctx taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [aiod_kick taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe0053df6a00  [firmware taskq]
100038                   D       -       0xfffffe0053df6900  [crypto_0]
100039                   D       -       0xfffffe0053df6900  [crypto_1]
100055                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100056                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100057                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100058                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100060                   D       vtbslp  0xfffffe0056c9e480  [virtio_balloon]
100064                   D       -       0xfffffe0053df6300  [mca taskq]
100066                   D       -       0xffffffff82c44ea1  [deadlkres]
100074                   D       -       0xfffffe0057fc9e00  [acpi_task_0]
100075                   D       -       0xfffffe0057fc9e00  [acpi_task_1]
100076                   D       -       0xfffffe0057fc9e00  [acpi_task_2]
100077                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
Process 1161 (syz-executor.3) thread 0xfffffe00a605a3a0 (100569)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a61bba90) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:4339
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a60da468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:4326
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00a60da488) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_output.c:12639
Process 1160 (syz-executor.0) thread 0xfffffe009e9f03a0 (100567)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a61bc380) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:4339
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a60dae68) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:4326
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00a60dae88) locked @ /syzkaller/managers/main/kernel/sys/netinet6/sctp6_usrreq.c:870
Process 786 (syz-executor.1) thread 0xfffffe009bc02ac0 (100090)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009e9b4e70) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4463
Process 12 (intr) thread 0xfffffe0057fca000 (100084)
exclusive sleep mutex tcp_hpts_lck (hpts) r = 0 (0xfffffe0057fc9d00) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_hpts.c:1302
Process 0 (kernel) thread 0xfffffe0053df1ac0 (100013)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff840a7580) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          tcp_hpts            5         3201K            5
         sysctloid        34288         2025K        34355
             vtbuf           24         1968K           46
              kobj          326         1304K          486
            newblk            9         1026K         2414
          vfscache            3         1025K            3
               pcb           90          598K          634
          inodedep           30          523K          383
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          121          242K         1230
            acpica         1674          184K        54806
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          357          140K          397
           pagedep            8          130K          295
        tfo_ccache            1          128K            1
          filedesc           16          121K          551
            DEVFS1          107          107K          124
               sem            4          106K            4
               bus          986           80K         3469
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
              umtx          330           42K          330
           kdtrace          206           42K         1748
               BPF           22           36K           22
              temp           35           33K         2049
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
         sctp_stro           25           25K           64
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
            ifaddr           68           20K           70
         sctp_atcl           50           19K          277
         ufs_mount            5           17K            6
              proc            3           17K            3
          routetbl          137           17K          494
               tty           16           16K           16
           lltable           50           16K           51
           ithread           99           16K           99
            bus-sc           33           14K         1684
       ether_multi          157           13K          167
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
         in6_multi           71            9K           71
         bmsafemap            2            9K          320
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           45
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
         sctp_timw           23            6K           23
              cred           23            6K          214
            kqueue           56            6K         1169
            plimit           21            6K          378
            dirrem           20            5K          270
       ufs_dirhash           24            5K           24
            DEVFSP           74            5K          173
               UMA          270            5K          270
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
           pwddesc           54            4K         1163
             hhook           15            4K           17
           session           25            4K           39
         sctp_atky           73            3K          339
       fpukern_ctx            3            3K            3
          terminal           11            3K           11
         proc-args           44            3K          592
          freefile           19            3K          267
           uidinfo            3            3K            8
             lockf           20            3K           33
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           31            2K        23818
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           15
            Unitno           27            2K           47
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
            select           10            2K           78
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K          268
           softdep            1            1K            1
          freeblks            4            1K          267
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          106
      NFSD session            1            1K            1
        CAM periph            4            1K          271
         sctp_athm           50            1K          277
          sctp_map           50            1K          128
          sctp_ifn            6            1K           15
             ipsec            3            1K            3
             mkdir            6            1K          522
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
       inpcbpolicy           23            1K          423
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
        sctp_socko            4            1K          187
              pfil            4            1K            4
              cdev            2            1K            2
               osd           10            1K          133
         newdirblk            3            1K          261
            diradd            3            1K          302
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
          procdesc            2            1K           12
            soname            8            1K         3778
            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
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K          153
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           39
          acpiintr            1            1K            1
               pmc            1            1K            1
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            statfs            0            0K          442
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ag_tgt_map_t malloc            0            0K            0
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lDevFlags * 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     989      629887       0     254   38129664        0
              pbuf   2624       0     957           0       0       2    2511168        0
              mbuf    256    8744     826      986887       0     254    2449920        0
          BUF TRIE    144     311   11449        2373       0      62    1693440        0
        RADIX NODE    144   10712    1043       60216       0      62    1692720        0
        malloc-384    384    4210      10        4211       0      30    1620480        0
        malloc-128    128   11305      41       11505       0     126    1452288        0
       malloc-4096   4096     327       3         508       0       2    1351680        0
       UMA Slabs 0    112   10318      11       10318       0     126    1156848        0
         vmem btag     56   16105      70       16105       0     254     905800        0
         FFS inode   1160     509      23         777       0       8     617120        0
      mbuf_cluster   2048     270       2         270       0     254     557056        0
       tcp_bbr_map    128       2    3222       22165       0     126     412672        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
        256 Bucket   2048     155       3       13031       0       8     323584        0
         VM OBJECT    264    1119      81       18453       0      30     316800        0
            THREAD   1808     150      15         583       0       8     298320        0
         malloc-64     64    4155     444       28247       0     254     294336        0
       malloc-4096   4096      65       5        1706       0       2     286720        0
             VNODE    448     546      84         816       0      30     282240        0
    ertt_txseginfo     40       0    6666       39771       0     254     266640        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-16     16   14074     426       14376       0     254     232000        0
            DEVCTL   1024      22     198         151       0       0     225280        0
      malloc-16384  16384       8       5         274       0       1     212992        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-256    256     140     580        3519       0      62     184320        0
         malloc-32     32    5353      65        5531       0     254     173376        0
        malloc-128    128    1253      80       29272       0     126     170624        0
         MAP ENTRY     96    1353     327       60068       0     126     161280        0
        malloc-128    128    1100      47        2759       0     126     146816        0
       FFS2 dinode    256     508      32         775       0      62     138240        0
       S VFS Cache    104    1012     275        1326       0     126     133848        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         206       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
            clpbuf   2624       0      48         243       0      16     125952        0
       malloc-2048   2048       7      53        3437       0       8     122880        0
          ksiginfo    112      49     995        1985       0     126     116928        0
       malloc-1024   1024     110       2         127       0      16     114688        0
           VMSPACE   2544      32      10        1142       0       4     106848        0
          UMA Kegs    384     227       6         227       0      30      89472        0
        128 Bucket   1024      72      15         931       0      16      89088        0
              PROC   1336      54      12        1163       0       8      88176        0
        malloc-256    256     163     167        1469       0      62      84480        0
         filedesc0   1072      54      23        1163       0       8      82544        0
      malloc-16384  16384       4       1         179       0       1      81920        0
         sctp_asoc   2288      25      10          64       0     254      80080        0
            socket    944      35      49        1880       0     254      79296        0
       malloc-8192   8192       5       4         134       0       1      73728        0
             g_bio    408       0     180        8713       0      30      73440        0
       mbuf_packet    256      29     241        1546       0     254      69120        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
        malloc-384    384      29     141         388       0      30      65280        0
       malloc-2048   2048      29       1         219       0       8      61440        0
        malloc-128    128     316     149         716       0     126      59520        0
       malloc-4096   4096      12       1          23       0       2      53248        0
       malloc-1024   1024      33      19         580       0      16      53248        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-2048   2048       4      20         511       0       8      49152        0
        malloc-256    256     150      30         188       0      62      46080        0
         32 Bucket    256      54     126        7934       0      62      46080        0
         64 Bucket    512      71      17        3101       0      30      45056        0
         malloc-64     64     567     126       17114       0     254      44352        0
           DIRHASH   1024      34       6          34       0      16      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4653     467        5117       0     254      40960        0
           sctp_ep   1280      27       3         215       0     254      38400        0
        malloc-256    256     111      39        1014       0      62      38400        0
             NAMEI   1024       1      35       14894       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
         malloc-64     64     478      89         690       0     254      36288        0
        malloc-384    384      75      15         156       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
             tcpcb   1080       6      22         122       0     254      30240        0
       malloc-2048   2048      12       2         203       0       8      28672        0
       malloc-1024   1024      13      15        1315       0      16      28672        0
            ttyinq    160     135      40         300       0      62      28000        0
             Files     80     199     151        8529       0     126      28000        0
        malloc-384    384      50      20         277       0      30      26880        0
         TURNSTILE    136     166      23         166       0      62      25704        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-2048   2048       5       7         132       0       8      24576        0
        sctp_raddr    736      23      10          62       0     254      24288        0
             KNOTE    160      28     122       25935       0      62      24000        0
          8 Bucket     80      48     252         948       0     126      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-256    256      67      23         523       0      62      23040        0
              pipe    744      20      10         355       0      16      22320        0
       malloc-4096   4096       3       2         446       0       2      20480        0
       malloc-4096   4096       2       3           5       0       2      20480        0
       malloc-2048   2048       2       8          91       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      33      17          35       0      30      19200        0
        malloc-384    384      34      16          34       0      30      19200        0
        malloc-256    256      40      35         251       0      62      19200        0
        SLEEPQUEUE     88     166      26         166       0     126      16896        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2          85       0       2      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
               PWD     32      18     486         351       0     254      16128        0
         malloc-64     64     196      56        2477       0     254      16128        0
         malloc-64     64     155      97         159       0     254      16128        0
         malloc-32     32     305     199        4845       0     254      16128        0
      vtnet_tx_hdr     24       0     668      314319       0     254      16032        0
        malloc-128    128      79      45         358       0     126      15872        0
     udplite_inpcb    488       1      31          87       0     254      15616        0
         tcp_inpcb    488      14      18         122       0     254      15616        0
        malloc-256    256      28      32         363       0      62      15360        0
        malloc-256    256      38      22         740       0      62      15360        0
       tcp_bbr_pcb    832       1      17          64       0      16      14976        0
      tcp_rack_pcb    832       0      18          16       0      16      14976        0
            cpuset    104       7     117         599       0     126      12896        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512       3      21         107       0      30      12288        0
        malloc-512    512      10      14         201       0      30      12288        0
         malloc-64     64      54     135         932       0     254      12096        0
         malloc-32     32     161     217         272       0     254      12096        0
         malloc-16     16     346     404         584       0     254      12000        0
        malloc-128    128       7      86         261       0     126      11904        0
         udp_inpcb    488       6      18         198       0     254      11712        0
              kenv    258      15      30        1033       0      30      11610        0
             unpcb    256      14      31        1215       0     254      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2          16       0       8       8192        0
       malloc-1024   1024       2       6          12       0      16       8192        0
       malloc-1024   1024       1       7          18       0      16       8192        0
        malloc-512    512       4      12           4       0      30       8192        0
        malloc-512    512       6      10           6       0      30       8192        0
           pf tags    104       0      78          28       0     126       8112        0
           rtentry    176      31      15          35       0      62       8096        0
              PGRP     88      25      67          39       0     126       8096        0
          rl_entry     40      40     162          40       0     254       8080        0
sctp_stream_msg_out    112       8      64          39       0     254       8064        0
        sctp_laddr     48       0     168          29       0     254       8064        0
             udpcb     32       7     245         285       0     254       8064        0
              ertt     72       6     106         122       0     126       8064        0
         malloc-64     64      12     114          98       0     254       8064        0
         malloc-64     64      81      45         180       0     254       8064        0
         malloc-32     32     148     104         199       0     254       8064        0
         malloc-32     32      21     231          53       0     254       8064        0
         malloc-32     32      38     214         814       0     254       8064        0
         malloc-32     32      73     179         769       0     254       8064        0
         16 Bucket    144      47       9         369       0      62       8064        0
          4 Bucket     48       6     162          59       0     254       8064        0
          2 Bucket     32      47     205         562       0     254       8064        0
         malloc-16     16       8     492         129       0     254       8000        0
         malloc-16     16      16     484          19       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      26     474       25477       0     254       8000        0
         malloc-16     16      58     442         335       0     254       8000        0
        malloc-128    128      25      37         128       0     126       7936        0
        malloc-128    128      10      52          40       0     126       7936        0
        sctp_readq    152       0      52           8       0     254       7904        0
        sctp_chunk    152      30      22          38       0     254       7904        0
             ripcb    488       2      14          16       0     254       7808        0
     routing nhops    256      27       3          35       0      62       7680        0
        malloc-384    384       1      19         349       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
         domainset     40       0     126         592       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
        malloc-512    512       0       8           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
      tcp_rack_map    112       0      36          42       0     126       4032        0
          sackhole     32       0     126           2       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       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
   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 mtags     48       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
             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
        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    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     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
        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-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-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-512    512       0       0           0       0      30          0        0
         malloc-32     32       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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/07 23:22 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: H:ADDR p_prev_slot:LINE not equal to p_cur_slot:NUM
* Struck through repros no longer work on HEAD.