syzbot


panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE

Status: fixed on 2021/11/15 00:09
Reported-by: syzbot+8151ef969c170f76706b@syzkaller.appspotmail.com
Fix commit: 2f62f92e3745 tcp: Fix a locking issue related to logging
First crash: 452d, last: 449d

Sample crash report:
panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:1535

cpuid = 1
time = 1636927301
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b32ff0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b33150
vpanic() at vpanic+0x2b8/frame 0xfffffe0053b33230
panic() at panic+0xb5/frame 0xfffffe0053b33300
__rw_assert() at __rw_assert+0x21b/frame 0xfffffe0053b33350
tcp_log_event_() at tcp_log_event_+0x90/frame 0xfffffe0053b333d0
tcp_respond() at tcp_respond+0x1b03/frame 0xfffffe0053b33720
tcp_dropwithreset() at tcp_dropwithreset+0x30c/frame 0xfffffe0053b33790
tcp_input_with_port() at tcp_input_with_port+0x17d7/frame 0xfffffe0053b33a20
tcp6_input_with_port() at tcp6_input_with_port+0xe4/frame 0xfffffe0053b33a60
tcp6_input() at tcp6_input+0x28/frame 0xfffffe0053b33a90
ip6_input() at ip6_input+0x1f40/frame 0xfffffe0053b33cf0
swi_net() at swi_net+0x2e5/frame 0xfffffe0053b33d90
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe0053b33ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0053b33f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053b33f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100030 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x26f707a(%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         0xf6352b5c4e34ee44
rdx                        0x1
rbx                          0
rsp         0xfffffe0053b33130
rbp         0xfffffe0053b33150
rsi                          0
rdi         0xffffffff8179717a  vprintf+0x35a
r8                           0
r9                  0xffffffff
r10                          0
r11                 0xb7c66b17
r12         0xfffffe0053ea6c80
r13         0xfffffe0053b33101
r14         0xffffffff82b879a0  .str.18
r15         0xffffffff82b879a0  .str.18
rip         0xffffffff8178aa1b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x26f707a(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053de8548:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83e252e0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83e252e0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff83e26280
   (map 0xffffffff83e26280)
   (map.pmap 0xffffffff83e26340)
   (pmap 0xffffffff83e263a8)
 threads: 23
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100019                   I                                   [swi5: fast taskq]
100029                   I                                   [swi3: vm]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   I                                   [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
27570 27566   780     0  SV      uwait   0xfffffe00576f0d80  syz-executor.2
27569   777   777     0  R       (threaded)                  syz-executor.1
130358                   RunQ                                syz-executor.1
131251                   RunQ                                syz-executor.1
27568 27566   780     0  SV      uwait   0xfffffe00a74d9c80  syz-executor.2
27566   780   780     0  T       (threaded)                  syz-executor.2
131201                   s                                   syz-executor.2
131245                   D       ppwait  0xfffffe009ef134f8  syz-executor.2
131247                   D       ppwait  0xfffffe009efdf4f8  syz-executor.2
27563   776   776     0  S       (threaded)                  syz-executor.0
131131                   S       nanslp  0xffffffff83e4f140  syz-executor.0
131240                   S       connec  0xfffffe0058ae9c1a  syz-executor.0
131244                   S       uwait   0xfffffe00576f0680  syz-executor.0
25445     1   777     0  S       uwait   0xfffffe00576f1680  syz-executor.1
25444     1   777     0  S       uwait   0xfffffe005718aa80  syz-executor.1
15554 15552   776     0  SV      uwait   0xfffffe00a74d9c00  syz-executor.0
15552     1   776     0  DV      ppwait  0xfffffe009c1d7f88  syz-executor.0
13770     1   778     0  S       uwait   0xfffffe0057188880  syz-executor.3
13769     1   778     0  S       uwait   0xfffffe0057187480  syz-executor.3
13669     1 13669    65  Ss      select  0xfffffe00a74d9f40  dhclient
12351     1 12351     0  Ss      select  0xfffffe00a74d9a40  dhclient
12343     1 12343     0  Ss      select  0xfffffe00a74d96c0  dhclient
12296     1 12296    65  Ss      select  0xfffffe00a74d9e40  dhclient
 8657     1  8657     0  Ss      select  0xfffffe00576f1340  dhclient
 8654     1  8654     0  Ss      select  0xfffffe00a74da7c0  dhclient
 8635     1  8635    65  Ss      select  0xfffffe00a74da8c0  dhclient
 5168     1  5168     0  Ss      select  0xfffffe009ef5f740  dhclient
 5164     1  5164     0  Ss      select  0xfffffe009ef60140  dhclient
 5128     1  5128    65  Ss      select  0xfffffe00a74db240  dhclient
 1058     1  1058     0  Ss      select  0xfffffe00576f02c0  dhclient
 1055     1  1055     0  Ss      select  0xfffffe009ef605c0  dhclient
  866     0     0     0  DL      aiordy  0xfffffe009ef13548  [aiod4]
  865     0     0     0  DL      aiordy  0xfffffe009ef13a90  [aiod3]
  864     0     0     0  DL      aiordy  0xfffffe009ef14000  [aiod2]
  863     0     0     0  DL      aiordy  0xfffffe009ef15548  [aiod1]
  780   773   780     0  Rs                                  syz-executor.2
  778   773   778     0  Rs                                  syz-executor.3
  777   773   777     0  Rs                                  syz-executor.1
  776   773   776     0  Ss      nanslp  0xffffffff83e4f140  syz-executor.0
  773   771   771     0  R       (threaded)                  syz-fuzzer
100085                   S       uwait   0xfffffe0057189e80  syz-fuzzer
100109                   RunQ                                syz-fuzzer
100110                   S       uwait   0xfffffe00576f2700  syz-fuzzer
100111                   Run     CPU 0                       syz-fuzzer
100112                   S       uwait   0xfffffe00576f2900  syz-fuzzer
100113                   S       uwait   0xfffffe00576f2a00  syz-fuzzer
100114                   S       uwait   0xfffffe00576f1a80  syz-fuzzer
100115                   S       uwait   0xfffffe0057188280  syz-fuzzer
100116                   S       uwait   0xfffffe0057188380  syz-fuzzer
127004                   S       kqread  0xfffffe00081f8600  syz-fuzzer
  771   769   771     0  Ss      pause   0xfffffe0058b35b40  csh
  769   687   769     0  Ss      select  0xfffffe0057187340  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00572e0cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00584730b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00584734b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00584738b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0058473cb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00584740b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00584744b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00584748b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0058474cb0  getty
  691     1   691     0  Ss      nanslp  0xffffffff83e4f141  cron
  687     1   687     0  Ss      select  0xfffffe00576f1d40  sshd
  500     1   500     0  Ss      select  0xfffffe0057187cc0  syslogd
  429     1   429     0  Ss      select  0xfffffe0057187bc0  devd
  428     1   428    65  Ss      select  0xfffffe00571879c0  dhclient
  343     1   343     0  Ss      select  0xfffffe0057187940  dhclient
  340     1   340     0  Ss      select  0xfffffe00576f1cc0  dhclient
   16     0     0     0  DL      vlruwt  0xfffffe0053de9a90  [vnlru]
   15     0     0     0  DL      syncer  0xffffffff83f74940  [syncer]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff83f72f60  [bufdaemon]
100081                   D       -       0xffffffff83211f80  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe005788e0e8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff83fa6400  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83f9a2b8  [dom0]
100082                   D       launds  0xffffffff83f9a2c4  [laundry: dom0]
100083                   D       umarcl  0xffffffff81e7c2b0  [uma]
    6     0     0     0  DL      -       0xffffffff83c0b088  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff84684140  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff8484f320  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83a95e40  [doneq0]
100046                   D       -       0xffffffff83a95dc0  [async]
100075                   D       -       0xffffffff83a95c40  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056cd9888  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83f95b00  [crypto]
100042                   D       crypto_ 0xfffffe0053c97630  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053c97680  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83e24880  [g_event]
100037                   D       -       0xffffffff83e248a0  [g_up]
100038                   D       -       0xffffffff83e248c0  [g_down]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100019                   I                                   [swi5: fast taskq]
100029                   I                                   [swi3: vm]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   I                                   [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   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    0xfffffe0053de9000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f965e0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e252e0  [swapper]
100005                   D       -       0xfffffe0053c98700  [if_config_tqg_0]
100006                   D       -       0xfffffe0053c98600  [softirq_0]
100007                   D       -       0xfffffe0053c98500  [softirq_1]
100008                   D       -       0xfffffe0053c98400  [if_io_tqg_0]
100009                   D       -       0xfffffe0053c98300  [if_io_tqg_1]
100010                   D       -       0xfffffe0053c9e600  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0053c9e400  [linuxkpi_irq_wq]
100014                   D       -       0xfffffe0053c9dd00  [aiod_kick taskq]
100015                   D       -       0xfffffe0053c9db00  [inm_free taskq]
100016                   D       -       0xfffffe0053c9d900  [in6m_free taskq]
100017                   D       -       0xfffffe0053c9d700  [deferred_unmount ta]
100018                   D       -       0xfffffe0053c9d500  [thread taskq]
100020                   D       -       0xfffffe0053c9d100  [pci_hp taskq]
100021                   D       -       0xfffffe0053c9ce00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053c9ce00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053c9ce00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053c9ce00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053c9c900  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053c9c900  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053c9c900  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053c9c900  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0053c9bd00  [firmware taskq]
100039                   D       -       0xfffffe0053c9b700  [crypto_0]
100040                   D       -       0xfffffe0053c9b700  [crypto_1]
100056                   D       -       0xfffffe0053c9fa00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0053c9f900  [vtnet0 txq 0]
100058                   D       -       0xfffffe0053c9f800  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0053c9f700  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe00571b7900  [virtio_balloon]
100065                   D       -       0xfffffe00572b8b00  [mca taskq]
100066                   D       -       0xffffffff82b8d481  [deadlkres]
100071                   D       -       0xfffffe00576f7e00  [acpi_task_0]
100072                   D       -       0xfffffe00576f7e00  [acpi_task_1]
100073                   D       -       0xfffffe00576f7e00  [acpi_task_2]
100074                   D       -       0xfffffe0056df5300  [CAM taskq]
db> show all locks
Process 27569 (syz-executor.1) thread 0xfffffe00a63a7ac0 (131251)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe00a7949020) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:635
Process 12 (intr) thread 0xfffffe0053ea6c80 (100030)
shared rw tcpinp (tcpinp) r = 0 (0xfffffe009e9c0bc0) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6_pcb.c:1335
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4241
          tcp_hpts            6         3201K            6
         sysctloid        34990         2061K        35061
             vtbuf           24         1968K           46
              kobj          326         1304K          485
            newblk          505         1150K        28243
          vfscache            3         1025K            3
          inodedep         1346         1017K        26705
               pcb          150          668K        20919
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
            dirrem         1337          335K        26596
           subproc          149          299K        27657
              vmem            3          274K            5
          filedesc           32          249K        53151
            acpica         1674          184K        55619
         vnet_data            1          168K            1
          freefile         1336          167K        26587
           tidhash            3          141K            3
            linker          346          133K          462
           pagedep           10          131K        26584
        tfo_ccache            1          128K            1
            DEVFS1          108          108K          125
               sem            4          106K            4
               BPF           46           88K           70
               bus          986           80K         3480
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
           pf_osfp          500           61K          500
         sctp_stro           57           57K          575
              umtx          396           50K          396
           kdtrace          230           45K        58826
         sctp_atcl          115           44K         6876
              temp           34           33K         7718
         hostcache            1           32K            1
               shm            1           32K           10
            DEVFS3          127           32K          137
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
          routetbl          130           16K        13262
           lltable           46           15K          135
            bus-sc           34           15K         1691
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
         in6_multi           65            9K           65
         sctp_atky          228            9K        12338
         bmsafemap            2            9K        26669
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           27
         sctp_timw           32            8K           32
               rpc            2            8K            2
             shmfd            1            8K           64
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
         taskqueue           63            7K           63
              cred           26            7K          324
            kqueue           69            7K        27595
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          489
            DEVFSP           82            6K         9401
       ufs_dirhash           24            5K           24
          pf_ifnet           11            5K         3018
           session           35            5K           60
               UMA          268            5K          268
           pwddesc           67            5K        27573
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
             lockf           33            4K           77
         proc-args           99            4K        28963
           acpisem           28            4K           28
             selfd           55            4K       380501
             hhook           15            4K           17
          terminal           11            3K           11
            select           19            3K          125
           uidinfo            3            3K           17
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
         sctp_athm          115            2K         6876
          sctp_map          114            2K         1150
            Unitno           31            2K           47
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K        26572
           softdep            1            1K            1
             mkdir            8            1K        53114
          freeblks            4            1K        26571
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          114
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K          121
          pci_link           10            1K           10
       inpcbpolicy           22            1K        17619
           tcp_fsb            5            1K         8860
         newdirblk            5            1K        26557
            crypto            4            1K          250
 encap_export_host           12            1K           12
          procdesc            5            1K           18
            CC Mem            9            1K        13369
            diradd            4            1K        26638
              pfil            4            1K            4
              cdev            2            1K            2
               osd           13            1K        12608
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
          indirdep            1            1K           36
             xform            4            1K        10982
            ip6opt            1            1K           52
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
            soname            6            1K        27547
        aesni_data            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
             sigio            2            1K            5
          filecaps            5            1K          130
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           49
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
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            statfs            0            0K        26813
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ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8323    1075     1590591       0     254   38494208        0
        RADIX NODE    144   21296     567      723727       0      63    3148272        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8881     782     2745398       0     254    2473728        0
           tcp_log    416      23    5314       58023       0     254    2220192        0
          BUF TRIE    144     273   11515        1582       0      62    1697472        0
        malloc-384    384    4206      24        4210       0      30    1624320        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11803     194       12168       0     126    1535616        0
       malloc-4096   4096     338       2         508       0       2    1392640        0
       UMA Slabs 0    112   10932       6       10932       0     126    1225056        0
         sctp_asoc   2288      57     453         575       0     254    1166880        0
         vmem btag     56   19406      73       19406       0     254    1090824        0
        malloc-384    384    1345    1115       26705       0      30     944640        0
        malloc-256    256     193    2477       21816       0      62     683520        0
           sctp_ep   1272      58     452        6301       0     254     648720        0
         FFS inode   1160     523      30       27111       0       8     641480        0
        malloc-256    256    1406    1084       32908       0      62     637440        0
        256 Bucket   2048     273      17        6410       0       8     593920        0
             tcpcb   1096       9     502       12597       0     254     560056        0
            socket    960      48     460       25501       0     254     487680        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
         tcp_inpcb    496      18     750       12597       0     254     380928        0
        sctp_raddr    736      57     460         575       0     254     380512        0
         VM OBJECT    264    1365      75      392277       0      30     380160        0
            THREAD   1808     162      36       31253       0       8     357984        0
        malloc-128    128    1469    1197       27820       0     126     341248        0
      malloc-16384  16384      17       3       26575       0       1     327680        0
         malloc-64     64    4342     509       32063       0     254     310464        0
       malloc-4096   4096      69       5       31005       0       2     303104        0
             VNODE    448     563     103       27153       0      30     298368        0
       tcp_bbr_map    128       0    2294       54672       0     126     293632        0
      malloc-65536  65536       4       0           4       0       1     262144        0
             ripcb    496       5     507         264       0     254     253952        0
     udplite_inpcb    496       0     512        4290       0     254     253952        0
         udp_inpcb    496       6     506         468       0     254     253952        0
         MAP ENTRY     96    1905     657     1487835       0     127     245952        0
        malloc-256    256     561     369       31605       0      62     238080        0
         malloc-16     16   14651      99       15934       0     254     236000        0
            DEVCTL   1024       0     220         154       0       0     225280        0
    ertt_txseginfo     40       0    5353      165816       0     254     214120        0
        malloc-128    128    1595      48       28936       0     126     210304        0
      malloc-65536  65536       3       0           3       0       1     196608        0
       mbuf_packet    256     174     588       26888       0     254     195072        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5351     319        6116       0     254     181440        0
     FPU_save_area    832     164      52       40976       0      16     179712        0
       malloc-2048   2048      59      21        6302       0       8     163840        0
        malloc-128    128     962     309       63145       0     126     162688        0
       S VFS Cache    104    1106     415       28172       0     126     158184        0
       FFS2 dinode    256     523      47       27110       0      62     145920        0
           VMSPACE   2552      44      13       27549       0       4     145464        0
            pcpu-8      8    4727   12169       83929       0     254     135168        0
        128 Bucket   1024      98      33        6771       0      16     134144        0
      malloc-65536  65536       0       2         290       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         144       0       1     131072        0
       malloc-1024   1024     120       8         147       0      16     131072        0
             unpcb    256      20     490        1532       0     254     130560        0
       malloc-4096   4096      27       3          35       0       2     122880        0
         64 Bucket    512     138      94       13341       0      30     118784        0
          ksiginfo    112      72     972       11430       0     126     116928        0
        malloc-256    256     257     178       61900       0      62     111360        0
              PROC   1352      66      15       27571       0       8     109512        0
      malloc-32768  32768       1       2         131       0       1      98304        0
       malloc-2048   2048       4      44       17297       0       8      98304        0
         filedesc0   1072      67      24       27573       0       8      97552        0
          UMA Kegs    384     226       7         226       0      30      89472        0
             g_bio    408       0     210        9365       0      30      85680        0
         malloc-64     64     635     688       42172       0     254      84672        0
       malloc-1024   1024      63      17         581       0      16      81920        0
         32 Bucket    256     102     213        8696       0      62      80640        0
        sctp_chunk    152      55     465          77       0     254      79040        0
        malloc-384    384     138      42        6988       0      30      69120        0
      malloc-16384  16384       3       1           5       0       1      65536        0
sctp_stream_msg_out    112       6     534         104       0     254      60480        0
        malloc-384    384     103      47         580       0      30      57600        0
       malloc-8192   8192       0       7          10       0       1      57344        0
         malloc-64     64     336     483       27150       0     254      52416        0
         malloc-64     64     226     593       28483       0     254      52416        0
         malloc-64     64     116     703      381151       0     254      52416        0
        malloc-128    128     107     296       26741       0     126      51584        0
        malloc-128    128     202     201         554       0     126      51584        0
        malloc-256    256      46     149       60312       0      62      49920        0
        malloc-256    256      87     108         710       0      62      49920        0
        malloc-256    256      10     185       26586       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48      149550       0      16      49152        0
       malloc-8192   8192       3       3          31       0       1      49152        0
       malloc-8192   8192       5       1           7       0       1      49152        0
       malloc-8192   8192       5       1           7       0       1      49152        0
       malloc-8192   8192       5       1         106       0       1      49152        0
       malloc-2048   2048       2      22        3227       0       8      49152        0
       malloc-2048   2048      13      11          27       0       8      49152        0
       malloc-2048   2048       5      19        3947       0       8      49152        0
       malloc-1024   1024       4      44        2779       0      16      49152        0
      tcp_rack_pcb    896       5      49        8860       0      16      48384        0
              pipe    744      23      42        1384       0      16      48360        0
      tcp_rack_map    120      12     384       17920       0     126      47520        0
       tcp_bbr_pcb    832       0      54        1371       0      16      44928        0
          syncache    168       0     264           4       0     254      44352        0
             Files     80     242     308       91929       0     126      44000        0
            clpbuf   2624       0      16          55       0      16      41984        0
            da_ccb    544       0      70        2551       0      16      38080        0
         hostcache     64       2     565           2       0     254      36288        0
         malloc-64     64     108     459        9952       0     254      36288        0
         malloc-64     64      13     554        8161       0     254      36288        0
         malloc-64     64      61     506          61       0     254      36288        0
        malloc-128    128      35     244       28047       0     126      35712        0
        malloc-128    128      40     239        4964       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       3      87        6451       0      30      34560        0
        malloc-256    256      58      77         269       0      62      34560        0
         TURNSTILE    136     199      53         199       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0          16       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-4096   4096       4       4         331       0       2      32768        0
       malloc-4096   4096       4       4           8       0       2      32768        0
       malloc-4096   4096       1       7       26814       0       2      32768        0
       malloc-2048   2048       5      11          15       0       8      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       3      13         700       0       8      32768        0
       malloc-1024   1024       3      29          43       0      16      32768        0
       malloc-1024   1024       7      25         192       0      16      32768        0
       malloc-1024   1024      14      18          14       0      16      32768        0
       malloc-1024   1024      16      16          22       0      16      32768        0
        malloc-512    512       1      63         119       0      30      32768        0
        malloc-512    512      11      53          42       0      30      32768        0
        malloc-512    512       0      64          15       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
        malloc-512    512       2      62         165       0      30      32768        0
           pcpu-64     64     481      31         481       0     254      32768        0
             KNOTE    160      28     172      344057       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       8     580         207       0     254      28224        0
               PWD     32      24     858       26656       0     254      28224        0
         malloc-32     32     399     483       15111       0     254      28224        0
         malloc-32     32     164     718       36274       0     254      28224        0
         16 Bucket    144      70     126         570       0      62      28224        0
          4 Bucket     48       6     582         603       0     254      28224        0
               AIO    208       0     133          89       0      62      27664        0
       malloc-8192   8192       3       0           3       0       1      24576        0
           rtentry    176      30     108          34       0      62      24288        0
              PGRP     88      35     241          60       0     126      24288        0
          rl_entry     40      90     516          90       0     254      24240        0
          8 Bucket     80      54     246        4713       0     126      24000        0
            itimer    352       0      66           6       0      30      23232        0
        malloc-384    384      23      37         104       0      30      23040        0
        SLEEPQUEUE     88     199      57         199       0     126      22528        0
             udpcb     32       6     624        4758       0     254      20160        0
              AIOP     32       4     626           4       0     254      20160        0
              ertt     72       9     271       12597       0     126      20160        0
         malloc-32     32      53     577       18061       0     254      20160        0
         malloc-32     32     142     488        1834       0     254      20160        0
         malloc-32     32      10     620         145       0     254      20160        0
         malloc-32     32      64     566          92       0     254      20160        0
         malloc-32     32      26     604        2956       0     254      20160        0
          2 Bucket     32      60     570        2985       0     254      20160        0
           cryptop    280       0      70           6       0      30      19600        0
             AIOCB    552       0      35          87       0      16      19320        0
       Mountpoints   2752       2       5           2       0       4      19264        0
            AIOLIO    272       0      70          10       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-1024   1024       1      15           1       0      16      16384        0
        malloc-512    512       4      28         167       0      30      16384        0
           SMR CPU     32       3     508           3       0     254      16352        0
      vtnet_tx_hdr     24       0     668      819620       0     254      16032        0
      tcp_log_node    120       0     132           2       0     126      15840        0
              kenv    258      15      45        1046       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       3     508           3       0     254      12264        0
    tcp_log_bucket    176       0      69           1       0      62      12144        0
         malloc-16     16      58     692       29338       0     254      12000        0
         malloc-16     16      53     697       11542       0     254      12000        0
         malloc-16     16      44     706         281       0     254      12000        0
         malloc-16     16     273     477       26557       0     254      12000        0
         malloc-16     16      15     735          15       0     254      12000        0
         malloc-16     16     276     474         278       0     254      12000        0
         malloc-16     16      24     726       25278       0     254      12000        0
        malloc-384    384       3      27           3       0      30      11520        0
tfo_ccache_entries     80       1     127           1       0     126      10240        0
       malloc-4096   4096       1       1           3       0       2       8192        0
       UMA Slabs 1    176      32      13          32       0      62       7920        0
           pcpu-16     16       7     249           7       0     254       4096        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0       0          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
           NCLNODE    608       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       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-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/11/14 22:01 freebsd-src 20aa359773be 83f5c9b5 console log report panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE
ci-freebsd-main 2021/11/13 13:10 freebsd-src ce9676de86f2 83f5c9b5 console log report panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE
ci-freebsd-main 2021/11/13 09:22 freebsd-src ce9676de86f2 83f5c9b5 console log report panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE
ci-freebsd-main 2021/11/13 02:07 freebsd-src b39a93b18ef1 83f5c9b5 console log report panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE
ci-freebsd-main 2021/11/12 06:56 freebsd-src c9516b83c14f 75b04091 console log report panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE
ci-freebsd-main 2021/11/11 22:30 freebsd-src 4042b356a00e 75b04091 console log report panic: Lock tcpinp not exclusively locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:LINE
* Struck through repros no longer work on HEAD.