syzbot


panic: ASan: Invalid access, 8-byte read in sctp_inpcb_bind

Status: closed as dup on 2021/09/09 13:00
Reported-by: syzbot+90121bbeab75d8159a21@syzkaller.appspotmail.com
First crash: 967d, last: 967d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: Bad list head ADDR first->prev != head C 3409 940d 1837d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, 2-byte read in sctp_inpcb_bind C 98 941d 991d 0/2 closed as dup on 2021/09/08 20:39

Sample crash report:
Aug  4 07:49:31 ci-freebsd-main-1 syslogd: last message repeatedpanic: ASan: Invalid access, 8-byte read at 0xfffffe00a7b35228, UMAUseAfterFree(fd)
cpuid = 1
time = 1628063384
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a3efb370
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a3efb4d0
vpanic() at vpanic+0x2c5/frame 0xfffffe00a3efb5b0
panic() at panic+0xb5/frame 0xfffffe00a3efb670
__asan_load8_noabort() at __asan_load8_noabort+0x376/frame 0xfffffe00a3efb730
sctp_inpcb_bind() at sctp_inpcb_bind+0x13eb/frame 0xfffffe00a3efb880
sobind() at sobind+0xd5/frame 0xfffffe00a3efb8d0
kern_bindat() at kern_bindat+0x25e/frame 0xfffffe00a3efb9b0
sys_bind() at sys_bind+0xfb/frame 0xfffffe00a3efb9f0
amd64_syscall() at amd64_syscall+0x425/frame 0xfffffe00a3efbbf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00a3efbbf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x287eda, rsp = 0x7fffdfffdf08, rbp = 0x7fffdfffdf70 ---
KDB: enter: panic
[ thread pid 3725 tid 104564 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28ea68a(%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         0xb7977092a88b8f87
rdx                    0x40001
rbx                          0
rsp         0xfffffe00a3efb4b0
rbp         0xfffffe00a3efb4d0
rsi                          0
rdi         0xfffffe005834faa8
r8                         0x3
r9          0xfffffe00a3efafe8
r10                          0
r11         0xfffffe00a78eac30
r12         0xfffffe00a78ea720
r13         0xfffffe00a3efb501
r14         0xffffffff82c5dac0  .str.18
r15         0xffffffff82c5dac0  .str.18
rip         0xffffffff8179f52b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28ea68a(%rip)
db> show proc
Process 3725 (syz-executor.1) at 0xfffffe009bca8538:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 783 at 0xfffffe0056aad000
 ABI: FreeBSD ELF64
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.1
 reaper: 0xfffffe0053d4b538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009fa78000
   (map 0xfffffe009fa78000)
   (map.pmap 0xfffffe009fa780c0)
   (pmap 0xfffffe009fa78120)
 threads: 2
100095                   RunQ                                syz-executor.1
104564                   Run     CPU 1                       syz-executor.1
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 3725   783   783     0  R       (threaded)                  syz-executor.1
100095                   RunQ                                syz-executor.1
104564                   Run     CPU 1                       syz-executor.1
 3719  3718  1166     0  R                                   arp
 3718  1166  1166     0  S       wait    0xfffffe009e385538  sh
 2116     1  2116    65  Ss      select  0xfffffe009bc11840  dhclient
 1909     1  1909     0  Ss      select  0xfffffe009bc11540  dhclient
 1906     1  1906     0  Ss      select  0xfffffe009bc11240  dhclient
 1884     1  1884    65  Ss      select  0xfffffe009bc11140  dhclient
 1600     1  1600     0  Ss      select  0xfffffe009bc110c0  dhclient
 1597     1  1597     0  Ss      select  0xfffffe009bc14e40  dhclient
 1575     1  1575    65  Ss      select  0xfffffe009bc145c0  dhclient
 1530     0     0     0  DL      aiordy  0xfffffe009faf9a70  [aiod4]
 1529     0     0     0  DL      aiordy  0xfffffe009e9fea70  [aiod3]
 1528     0     0     0  DL      aiordy  0xfffffe00a721a000  [aiod2]
 1527     0     0     0  DL      aiordy  0xfffffe00a721a538  [aiod1]
 1464     1  1464     0  Ss      select  0xfffffe009bc14c40  dhclient
 1455     1  1455     0  Ss      select  0xfffffe009bc14d40  dhclient
 1400     1  1400    65  Ss      piperd  0xfffffe009e9e2160  dhclient
 1166     1  1166     0  Ss      wait    0xfffffe009fa39a70  dhclient
 1142     1  1142     0  Ss      select  0xfffffe009bc14640  dhclient
  786   780   786     0  Rs                                  syz-executor.3
  784   780   784     0  Ss      piperd  0xfffffe009e9e2ba0  syz-executor.2
  783   780   783     0  Rs                                  syz-executor.1
  782   780   782     0  Ss      piperd  0xfffffe009e9d45d0  syz-executor.0
  780   778   778     0  R       (threaded)                  syz-fuzzer
100108                   Run     CPU 0                       syz-fuzzer
100119                   RunQ                                syz-fuzzer
100120                   RunQ                                syz-fuzzer
100121                   S       uwait   0xfffffe009e451a80  syz-fuzzer
100122                   S       uwait   0xfffffe009e451b80  syz-fuzzer
100123                   S       uwait   0xfffffe009e2d9880  syz-fuzzer
100124                   S       uwait   0xfffffe009bf3f180  syz-fuzzer
100126                   S       kqread  0xfffffe009e4e4200  syz-fuzzer
100127                   S       uwait   0xfffffe009e451d80  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe009e3f25e8  csh
  776   694   776     0  Ss      select  0xfffffe009bc142c0  sshd
  760     1   760     0  Rs+                                 getty
  759     1   759     0  Ss+     ttyin   0xfffffe00575fe8b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583e90b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583e98b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583e60b0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583e68b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583900b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583908b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe005752d0b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84056a81  cron
  694     1   694     0  Ss      select  0xfffffe009bc1b140  sshd
  507     1   507     0  Ss      select  0xfffffe009bc1b240  syslogd
  436     1   436     0  Ss      select  0xfffffe009bc1ba40  devd
  435     1   435    65  Ss      select  0xfffffe009bc1b940  dhclient
  350     1   350     0  Ss      select  0xfffffe009bc1b840  dhclient
  347     1   347     0  Ss      select  0xfffffe009bc1b3c0  dhclient
   23     0     0     0  DL      vlruwt  0xfffffe005851d000  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff8417ea80  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100084                   D       qsleep  0xffffffff8417c8c0  [bufdaemon]
100087                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100099                   D       sdflush 0xfffffe0056b090e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b4d40  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100082                   D       psleep  0xffffffff841a8878  [dom0]
100088                   D       launds  0xffffffff841a8884  [laundry: dom0]
100089                   D       umarcl  0xffffffff81e97770  [uma]
   18     0     0     0  DL      -       0xffffffff83e0dba0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84a99460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84c62e20  [pf purge]
   15     0     0     0  DL      -       0xffffffff84177d40  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84177d40  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84177d40  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84177d40  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100047                   D       -       0xffffffff83c93340  [doneq0]
100048                   D       -       0xffffffff83c932c0  [async]
100081                   D       -       0xffffffff83c93140  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056a61488  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541a1b80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541a1b30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841a2920  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100038                   D       -       0xffffffff8402a040  [g_event]
100039                   D       -       0xffffffff8402a080  [g_up]
100040                   D       -       0xffffffff8402a0c0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100029                   D       -       0xfffffe0053dfed00  [thr_0]
100030                   D       -       0xfffffe0053dfed80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   I                                   [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi3: vm]
100035                   I                                   [swi1: hpts]
100036                   I                                   [swi1: hpts]
100049                   I                                   [irq24: virtio_pci0]
100050                   I                                   [irq25: virtio_pci0]
100051                   I                                   [irq26: virtio_pci0]
100052                   I                                   [irq27: virtio_pci0]
100053                   I                                   [irq28: virtio_pci1]
100054                   I                                   [irq29: virtio_pci1]
100055                   RunQ                                [irq30: virtio_pci1]
100056                   I                                   [irq31: virtio_pci1]
100057                   I                                   [irq32: virtio_pci1]
100062                   I                                   [irq10: virtio_pci2]
100064                   I                                   [irq1: atkbd0]
100065                   I                                   [irq12: psm0]
100066                   I                                   [swi0: uart uart++]
100074                   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    0xfffffe0053d4b538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a38c0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402af40  [swapper]
100005                   D       -       0xfffffe0053de6e00  [if_config_tqg_0]
100006                   D       -       0xfffffe0053de6d00  [softirq_0]
100007                   D       -       0xfffffe0053de6c00  [softirq_1]
100008                   D       -       0xfffffe0053de6b00  [if_io_tqg_0]
100009                   D       -       0xfffffe0053de6a00  [if_io_tqg_1]
100010                   D       -       0xfffffe0053de6900  [in6m_free taskq]
100011                   D       -       0xfffffe0053de6800  [deferred_unmount ta]
100014                   D       -       0xfffffe0053de6500  [thread taskq]
100016                   D       -       0xfffffe0053de6300  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0053de6200  [kqueue_ctx taskq]
100018                   D       -       0xfffffe0053de6100  [aiod_kick taskq]
100019                   D       -       0xfffffe0053de6000  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6e00  [inm_free taskq]
100021                   D       -       0xfffffe0053df6d00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053df6d00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053df6d00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053df6d00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053df6c00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053df6c00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053df6c00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053df6c00  [linuxkpi_long_wq_3]
100037                   D       -       0xfffffe0053df6b00  [firmware taskq]
100041                   D       -       0xfffffe0053df6a00  [crypto_0]
100042                   D       -       0xfffffe0053df6a00  [crypto_1]
100058                   D       -       0xfffffe0053df6800  [vtnet0 rxq 0]
100059                   D       -       0xfffffe0053df6700  [vtnet0 txq 0]
100060                   D       -       0xfffffe0053df6600  [vtnet0 rxq 1]
100061                   D       -       0xfffffe0053df6500  [vtnet0 txq 1]
100063                   D       vtbslp  0xfffffe0056b76100  [virtio_balloon]
100067                   D       -       0xfffffe0053df6400  [mca taskq]
100072                   D       -       0xffffffff82c64a40  [deadlkres]
100076                   D       -       0xfffffe005745b700  [acpi_task_0]
100077                   D       -       0xfffffe005745b700  [acpi_task_1]
100078                   D       -       0xfffffe005745b700  [acpi_task_2]
100080                   D       -       0xfffffe0053df6900  [CAM taskq]
db> show all locks
Process 3725 (syz-executor.1) thread 0xfffffe00a78ea720 (104564)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a7b35e68) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2997
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe00081b2f98) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2918
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34390
             vtbuf           24         1968K           46
              kobj          326         1304K          485
            newblk            9         1026K         7629
          vfscache            3         1025K            3
               pcb           80          596K         7161
          inodedep           18          519K         3008
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          151          296K         3815
              vmem            3          274K            5
            acpica         1674          184K        55752
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          356          140K          396
           pagedep            9          130K         2763
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
          filedesc           12           89K         5455
               BPF           46           88K           56
               bus          984           80K         3475
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              umtx          396           50K          396
           kdtrace          227           45K         8291
              temp           36           35K         2650
         hostcache            1           32K            1
               shm            1           32K           40
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
         sctp_stro           24           24K         1286
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
         sctp_atcl           50           19K         4543
         ufs_mount            4           17K            5
              proc            3           17K            3
          routetbl          132           17K          416
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1692
            KTRACE          100           13K          100
           lltable           41           13K          157
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
           pf_rule            5           10K           50
              GEOM           61           10K          489
              rman           84           10K          425
         in6_multi           65            9K           65
         bmsafemap            2            9K         2964
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           94
         sctp_timw           32            8K           32
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
         taskqueue           63            7K           63
              cred           26            7K          340
            kqueue           68            7K         3732
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          467
            DEVFSP           80            5K          742
       ufs_dirhash           24            5K           24
          pf_ifnet           11            5K           58
               UMA          270            5K          270
           session           35            5K           51
                vt           11            5K           11
           pwddesc           66            5K         3746
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
             lockf           32            4K           85
             hhook           15            4K           17
             selfd           52            4K        47913
         sctp_atky           74            4K         5928
         proc-args           54            3K          694
          terminal           11            3K           11
            select           19            3K          112
            dirrem            9            3K         2825
           uidinfo            3            3K           36
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
            Unitno           29            2K           57
          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
          freefile            9            2K         2823
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K         3742
           softdep            1            1K            1
             mkdir            8            1K         5430
          freeblks            4            1K         2849
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          190
      NFSD session            1            1K            1
        CAM periph            4            1K          271
         sctp_athm           50            1K         4612
          sctp_ifn            6            1K           14
          sctp_map           48            1K         2528
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
           pf_osfp            6            1K            6
         sctp_aadr           11            1K           18
            crypto            4            1K          328
 encap_export_host           12            1K           12
          procdesc            5            1K           18
         newdirblk            4            1K         2715
            diradd            4            1K         2865
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           15            1K         2095
               osd            8            1K         1162
    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
            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         1097
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K         7695
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            5            1K          116
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           47
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
           tcp_fsb            0            0K          334
          pf_table            0            0K            0
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         1889
         sctp_iter            0            0K           16
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            5
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           11
         sctp_stri            0            0K          210
            mqdata            0            0K            0
        dctcp data            0            0K            0
          chd data            0            0K           16
         htcp data            0            0K           24
        vegas data            0            0K           20
        cubic data            0            0K           12
          cdg data            0            0K           10
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            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     990      127622       0     254   38133760        0
           tcp_log    416       0   19989      376709       0     254    8315424        0
              pbuf   2624       0     957           0       0       2    2511168        0
              mbuf    256    8857     713     1045463       0     254    2449920        0
        malloc-384    384    4290     150        8938       0      30    1704960        0
          BUF TRIE    144     353   11407        6026       0      62    1693440        0
       malloc-4096   4096     394       6        7146       0       2    1638400        0
        RADIX NODE    144    8516    1699      123189       0      62    1470960        0
        malloc-128    128   11265      19       11327       0     126    1444352        0
       UMA Slabs 0    112   10621      32       10621       0     126    1193136        0
      mbuf_cluster   2048     540       2         540       0     254    1110016        0
         vmem btag     56   19298      45       19298       0     254    1083208        0
       tcp_bbr_map    128       0    7750      234148       0     126     992000        0
    ertt_txseginfo     40       1   18785      571167       0     254     751440        0
         FFS inode   1160     517      29        3341       0       8     633360        0
        256 Bucket   2048     295      11       17545       0       8     626688        0
      malloc-65536  65536       5       2         261       0       1     458752        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
         VM OBJECT    264    1300     110       56161       0      30     372240        0
            THREAD   1808     160      38        4564       0       8     357984        0
             VNODE    448     556      83        3382       0      30     286272        0
      malloc-16384  16384      10       7        2745       0       1     278528        0
         malloc-64     64    3852      54        3867       0     254     249984        0
         malloc-16     16   14051     449       17778       0     254     232000        0
      malloc-32768  32768       0       7        1140       0       1     229376        0
            DEVCTL   1024       0     220         153       0       0     225280        0
       malloc-1024   1024     157      63        2737       0      16     225280        0
         sctp_asoc   2288      24      66        1264       0     254     205920        0
         MAP ENTRY     96    1558     416      213978       0     126     189504        0
       malloc-2048   2048      34      58        3172       0       8     188416        0
         UMA Zones    768     242       2         242       0      16     187392        0
            socket    944      42     146        6592       0     254     177472        0
         malloc-32     32    5284     134        5452       0     254     173376        0
        malloc-256    256      21     639        7693       0      62     168960        0
           sctp_ep   1280      26     103        3124       0     254     165120        0
        malloc-128    128    1214      57       31699       0     126     162688        0
        malloc-256    256     208     407        7347       0      62     157440        0
        128 Bucket   1024     116      31        2816       0      16     150528        0
       FFS2 dinode    256     517      38        3340       0      62     142080        0
        malloc-128    128    1073      12        1299       0     126     138880        0
       mbuf_packet    256      29     511       13512       0     254     138240        0
       S VFS Cache    104    1027     299        3929       0     126     137904        0
      malloc-65536  65536       0       2          25       0       1     131072        0
      malloc-65536  65536       0       2         136       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
           VMSPACE   2544      39      12        3695       0       4     129744        0
            clpbuf   2624       0      48         462       0      16     125952        0
          ksiginfo    112      69     975        1236       0     126     116928        0
        sctp_raddr    736      24     130        1554       0     254     113344        0
              PROC   1336      65      19        3725       0       8     112224        0
       malloc-4096   4096      22       2         651       0       2      98304        0
         filedesc0   1072      66      18        3746       0       8      90048        0
          UMA Kegs    384     227       6         227       0      30      89472        0
             g_bio    408       0     210       29295       0      30      85680        0
        malloc-384    384      20     200        3044       0      30      84480        0
        malloc-256    256     195     135        5689       0      62      84480        0
       malloc-4096   4096      15       3          38       0       2      73728        0
         64 Bucket    512      98      46        5462       0      30      73728        0
       malloc-2048   2048      10      24        1083       0       8      69632        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       8       0           8       0       1      65536        0
       malloc-4096   4096      12       4         124       0       2      65536        0
             tcpcb   1080       4      52        1151       0     254      60480        0
       malloc-1024   1024      17      39         529       0      16      57344        0
        malloc-128    128     376      58        3700       0     126      55552        0
        malloc-256    256      40     155        4106       0      62      49920        0
         32 Bucket    256      67     128        9098       0      62      49920        0
       malloc-8192   8192       6       0           6       0       1      49152        0
         tcp_inpcb    496       4      92        1151       0     254      47616        0
        malloc-128    128     188     184        4138       0     126      47616        0
        malloc-256    256      63     117        6618       0      62      46080        0
         malloc-64     64     628      65       17984       0     254      44352        0
            da_ccb    544       0      77        8681       0      16      41888        0
             NAMEI   1024       0      40       27606       0      16      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4766     354        5840       0     254      40960        0
         malloc-64     64     354     276        2518       0     254      40320        0
             Files     80     236     264       17802       0     126      40000        0
        malloc-128    128      19     291        2840       0     126      39680        0
        malloc-384    384      87      13         128       0      30      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
         malloc-64     64     175     392         823       0     254      36288        0
         malloc-64     64     480      87        1746       0     254      36288        0
        malloc-256    256      72      63        3159       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-8192   8192       1       3          29       0       1      32768        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-2048   2048       9       7          33       0       8      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
     udplite_inpcb    496       0      64         615       0     254      31744        0
         TURNSTILE    136     199      32         199       0      62      31416        0
        malloc-256    256     107      13         739       0      62      30720        0
      tcp_rack_pcb    832       0      36         334       0      16      29952        0
              pipe    744      23      17         438       0      16      29760        0
       malloc-2048   2048       8       6         259       0       8      28672        0
         malloc-32     32     412     470         963       0     254      28224        0
         16 Bucket    144      78     118         834       0      62      28224        0
             KNOTE    160      28     147       29558       0      62      28000        0
        sctp_chunk    152      28     154         655       0     254      27664        0
       malloc-8192   8192       1       2         112       0       1      24576        0
        malloc-512    512       7      41         423       0      30      24576        0
               PWD     32      19     737        2810       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-256    256      46      44        3102       0      62      23040        0
        SLEEPQUEUE     88     199      57         199       0     126      22528        0
       tcp_bbr_pcb    832       0      27         501       0      16      22464        0
       malloc-2048   2048       4       6         200       0       8      20480        0
          8 Bucket     80      50     200        1519       0     126      20000        0
       Mountpoints   2752       2       5           2       0       4      19264        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-1024   1024       8       8          79       0      16      16384        0
      tcp_rack_map    112       0     144         816       0     126      16128        0
         malloc-64     64     153      99        7609       0     254      16128        0
         malloc-32     32     143     361        7310       0     254      16128        0
      vtnet_tx_hdr     24       1     667      303021       0     254      16032        0
        malloc-128    128      45      79        4011       0     126      15872        0
             unpcb    256      20      40        1324       0     254      15360        0
        malloc-384    384      24      16          60       0      30      15360        0
       malloc-4096   4096       1       2           3       0       2      12288        0
       malloc-1024   1024       2      10          42       0      16      12288        0
        malloc-512    512       8      16         126       0      30      12288        0
        malloc-512    512      12      12          81       0      30      12288        0
         malloc-64     64      73     116        4576       0     254      12096        0
         malloc-32     32      16     362        1110       0     254      12096        0
         udp_inpcb    496       6      18         223       0     254      11904        0
              kenv    258      15      30        1042       0      30      11610        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       0       4          40       0       8       8192        0
       malloc-1024   1024       1       7           5       0      16       8192        0
       malloc-1024   1024       2       6         162       0      16       8192        0
       malloc-1024   1024       6       2           6       0      16       8192        0
        malloc-512    512       0      16           9       0      30       8192        0
        malloc-512    512       1      15           6       0      30       8192        0
           pf tags    104       0      78          10       0     126       8112        0
           rtentry    176      30      16          34       0      62       8096        0
             tcptw     88       0      92           9       0     254       8096        0
              PGRP     88      35      57          59       0     126       8096        0
          rl_entry     40      82     120          82       0     254       8080        0
   sctp_asconf_ack     48       0     168           7       0     254       8064        0
sctp_stream_msg_out    112       0      72         313       0     254       8064        0
        sctp_laddr     48       2     166         946       0     254       8064        0
             udpcb     32       6     246         838       0     254       8064        0
              AIOP     32       4     248           4       0     254       8064        0
              ertt     72       4     108        1151       0     126       8064        0
         malloc-64     64      60      66       47945       0     254       8064        0
         malloc-32     32       8     244          10       0     254       8064        0
         malloc-32     32     107     145        4007       0     254       8064        0
         malloc-32     32      70     182        1022       0     254       8064        0
         malloc-32     32      51     201        2953       0     254       8064        0
          4 Bucket     48       5     163         106       0     254       8064        0
          2 Bucket     32      54     198         954       0     254       8064        0
         malloc-16     16      18     482          57       0     254       8000        0
         malloc-16     16     292     208         298       0     254       8000        0
         malloc-16     16     117     383        4815       0     254       8000        0
         malloc-16     16      29     471        4340       0     254       8000        0
         malloc-16     16     190     310        1571       0     254       8000        0
         malloc-16     16      21     479       26286       0     254       8000        0
         malloc-16     16       6     494           7       0     254       8000        0
             ripcb    496       5      11         106       0     254       7936        0
        malloc-128    128      16      46          32       0     126       7936        0
        sctp_readq    152       0      52         160       0     254       7904        0
               AIO    208       0      38          20       0      62       7904        0
           cryptop    280       0      28          52       0      30       7840        0
            itimer    352       0      22           4       0      30       7744        0
             AIOCB    552       0      14          19       0      16       7728        0
     routing nhops    256      27       3          34       0      62       7680        0
        malloc-384    384      11       9          11       0      30       7680        0
        malloc-384    384       0      20         347       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
tfo_ccache_entries     80       2      62           2       0     126       5120        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           2       0       2       4096        0
       malloc-2048   2048       0       2          12       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        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       2       8           2       0      30       3840        0
            AIOLIO    272       0      14           2       0      30       3808        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
           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     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    312       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
          tcpreass     48       0       0           0       0     254          0        0
               tfo      4       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
        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
           NCLNODE    592       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
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-4096   4096       0       0           0       0       2          0        0
       malloc-1024   1024       0       0           0       0      16          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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/08/04 07:50 freebsd-src e94f1a0a37fd 6c236867 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in sctp_inpcb_bind
* Struck through repros no longer work on HEAD.