syzbot


panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)

Status: closed as dup on 2021/07/10 00:22
Reported-by: syzbot+b131fc4c914b8412c271@syzkaller.appspotmail.com
First crash: 1235d, last: 1233d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: ASan: Invalid access, 4-byte read in sctp_sosend C 518 1204d 1233d

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe0053d6bdbc, RedZonePartial(6)
cpuid = 1
time = 1625854664
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a5d39fd0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a5d3a130
vpanic() at vpanic+0x2c5/frame 0xfffffe00a5d3a210
panic() at panic+0xb5/frame 0xfffffe00a5d3a2d0
__asan_load4_noabort() at __asan_load4_noabort+0x20f/frame 0xfffffe00a5d3a390
sctp_sosend() at sctp_sosend+0x7a5/frame 0xfffffe00a5d3a620
sosend() at sosend+0x11e/frame 0xfffffe00a5d3a690
kern_sendit() at kern_sendit+0x58d/frame 0xfffffe00a5d3a7f0
freebsd32_sendmsg() at freebsd32_sendmsg+0x559/frame 0xfffffe00a5d3a9f0
ia32_syscall() at ia32_syscall+0x41f/frame 0xfffffe00a5d3abf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbffcf78
KDB: enter: panic
[ thread pid 2023 tid 102044 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f9d2a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xe760c8c799b9a03b
rdx                    0x40001
rbx                          0
rsp         0xfffffe00a5d3a110
rbp         0xfffffe00a5d3a130
rsi                          0
rdi         0xfffffe009e9ab368
r8                         0x3
r9          0xfffffe00a5d39c68
r10                          0
r11         0xfffffe00a701ba70
r12         0xfffffe00a701b560
r13         0xfffffe00a5d3a101
r14         0xffffffff82c416a0  .str.18
r15         0xffffffff82c416a0  .str.18
rip         0xffffffff8178ed0b  kdb_enter+0x6b
rflags                0x200046  kernload+0x46
kdb_enter+0x6b: movq    $0,0x28f9d2a(%rip)
db> show proc
Process 2023 (syz-executor.1) at 0xfffffe009bf19000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 786 at 0xfffffe009e9a2538
 ABI: FreeBSD ELF32
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.1
 reaper: 0xfffffe0053d51538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00a74013e0
   (map 0xfffffe00a74013e0)
   (map.pmap 0xfffffe00a74014a0)
   (pmap 0xfffffe00a7401500)
 threads: 2
100155                   RunQ                                syz-executor.1
102044                   Run     CPU 1                       syz-executor.1
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2023   786   786     0  R       (threaded)                  syz-executor.1
100155                   RunQ                                syz-executor.1
102044                   Run     CPU 1                       syz-executor.1
 1632     1  1632    65  Ss      select  0xfffffe00a77c49c0  dhclient
 1537     1  1537     0  Ss      select  0xfffffe00a747fe40  dhclient
 1526     1  1526     0  Ss      select  0xfffffe00a73a9040  dhclient
 1502     1  1502    65  Ss      select  0xfffffe00a73a9dc0  dhclient
 1321     1  1321     0  Ss      select  0xfffffe00a73a9cc0  dhclient
 1318     1  1318     0  Ss      select  0xfffffe00a73a9c40  dhclient
 1299     1  1299    65  Ss      select  0xfffffe00a701f4c0  dhclient
 1258     1   813     0  S       uwait   0xfffffe0096dd7000  syz-executor.2
 1257     1   813     0  S       uwait   0xfffffe00a3c7ce00  syz-executor.2
 1000     1  1000     0  Ss      select  0xfffffe009e9e40c0  dhclient
  996     1   996     0  Ss      select  0xfffffe00a701f3c0  dhclient
  972     1   972    65  Ss      select  0xfffffe009e9dde40  dhclient
  848     0     0     0  DL      aiordy  0xfffffe009bf02000  [aiod4]
  847     0     0     0  DL      aiordy  0xfffffe009e40a000  [aiod3]
  846     0     0     0  DL      aiordy  0xfffffe009e364000  [aiod2]
  845     0     0     0  DL      aiordy  0xfffffe009e40a538  [aiod1]
  832     1   832     0  Ss      select  0xfffffe009e9e4640  dhclient
  825     1   825     0  Ss      select  0xfffffe009e9e45c0  dhclient
  813   780   813     0  Rs                                  syz-executor.2
  794   780   794     0  Rs                                  syz-executor.3
  786   780   786     0  Rs                                  syz-executor.1
  785   780   785     0  Rs                                  syz-executor.0
  780   778   778     0  R       (threaded)                  syz-fuzzer
100118                   S       uwait   0xfffffe009e4b1f00  syz-fuzzer
100119                   RunQ                                syz-fuzzer
100120                   S       uwait   0xfffffe00573d9280  syz-fuzzer
100121                   S       uwait   0xfffffe009e98c880  syz-fuzzer
100122                   RunQ                                syz-fuzzer
100123                   S       uwait   0xfffffe009e98ca80  syz-fuzzer
100124                   S       uwait   0xfffffe009e98cb80  syz-fuzzer
100125                   S       uwait   0xfffffe009e2b5080  syz-fuzzer
100128                   S       kqread  0xfffffe0096c56000  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe009e3645e8  csh
  776   694   776     0  Ss      select  0xfffffe0096dd70c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ed0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ed4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ed8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583edcb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583950b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583954b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583958b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058395cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84055901  cron
  694     1   694     0  Ss      select  0xfffffe0096dd75c0  sshd
  507     1   507     0  Ss      select  0xfffffe0096dd73c0  syslogd
  436     1   436     0  Ss      select  0xfffffe0096dd7540  devd
  435     1   435    65  Ss      select  0xfffffe0096dd72c0  dhclient
  350     1   350     0  Ss      select  0xfffffe0096dd7440  dhclient
  347     1   347     0  Ss      select  0xfffffe009e2b5cc0  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0058747a70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100095                   D       sdflush 0xfffffe0096d2fce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b1c80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a57b8  [dom0]
100087                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100088                   D       umarcl  0xffffffff81e7e510  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff848753c0  [sctp_iterator]
   16     0     0     0  RL                                  [pf purge]
   15     0     0     0  DL      -       0xffffffff84174dc0  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84174dc0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84174dc0  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84174dc0  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c92240  [doneq0]
100047                   D       -       0xffffffff83c921c0  [async]
100080                   D       -       0xffffffff83c92040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056aadc88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541abd80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541abd30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8419f860  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff84028ec0  [g_event]
100038                   D       -       0xffffffff84028f00  [g_up]
100039                   D       -       0xffffffff84028f40  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e16e00  [thr_0]
100029                   D       -       0xfffffe0053e16e80  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   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    0xfffffe0053d51538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a0800  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84029dc0  [swapper]
100005                   D       -       0xfffffe0053c0d800  [softirq_0]
100006                   D       -       0xfffffe0053c0d600  [softirq_1]
100007                   D       -       0xfffffe0053c0d400  [if_io_tqg_0]
100008                   D       -       0xfffffe0053c0d200  [if_io_tqg_1]
100009                   D       -       0xfffffe0053c0d000  [if_config_tqg_0]
100012                   Run     CPU 0                       [thread taskq]
100013                   D       -       0xfffffe000791a400  [inm_free taskq]
100015                   D       -       0xfffffe000791a200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe000791a100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe000791a000  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053df6a00  [firmware taskq]
100040                   D       -       0xfffffe0053df6900  [crypto_0]
100041                   D       -       0xfffffe0053df6900  [crypto_1]
100057                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100059                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056fc0380  [virtio_balloon]
100066                   D       -       0xfffffe0053df6300  [mca taskq]
100071                   D       -       0xffffffff82c48621  [deadlkres]
100076                   D       -       0xfffffe0058394e00  [acpi_task_0]
100077                   D       -       0xfffffe0058394e00  [acpi_task_1]
100078                   D       -       0xfffffe0058394e00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
Process 0 (kernel) thread 0xfffffe0053df21e0 (100012)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff840aa580) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          326         1304K          486
            newblk            6         1026K         6993
          vfscache            3         1025K            3
               pcb           68          578K         2718
          inodedep           11          516K         1677
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          151          296K         2109
              vmem            3          274K            5
            acpica         1674          184K        54806
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          357          140K          403
           pagedep            9          130K         1201
        tfo_ccache            1          128K            1
          filedesc           16          121K         2255
            DEVFS1          107          107K          124
               sem            4          106K            4
               BPF           46           88K           48
               bus          986           80K         3469
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
              umtx          374           47K          374
           kdtrace          224           44K         4069
              temp           36           35K         2608
         hostcache            1           32K            1
               shm            1           32K           10
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
          routetbl          139           19K          638
         sctp_stro           17           17K          407
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1684
         sctp_atcl           35           14K         1528
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          162
           lltable           39           12K          134
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
         in6_multi           65            9K           65
         bmsafemap            2            9K         1515
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           47
         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
              cred           26            7K          302
            kqueue           68            7K         2037
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          481
            DEVFSP           80            5K          374
       ufs_dirhash           24            5K           24
          pf_ifnet           12            5K           33
               UMA          270            5K          270
           session           35            5K           67
                vt           11            5K           11
           pwddesc           66            5K         2042
          pf_table            2            4K           54
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
             selfd           55            4K        34163
             lockf           32            4K           65
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
         proc-args           52            3K          649
          terminal           11            3K           11
            select           19            3K           80
           uidinfo            3            3K           11
         sctp_atky           52            3K         2011
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
            Unitno           30            2K           47
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K            8
           pf_osfp           12            2K           12
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          310
      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           89
          pci_link           10            1K           10
             mkdir            5            1K         2236
            crypto            4            1K          133
 encap_export_host           12            1K           12
          procdesc            5            1K           14
       inpcbpolicy           19            1K         1000
         sctp_athm           35            1K         1559
          sctp_map           34            1K          810
         newdirblk            4            1K         1118
            dirrem            2            1K         1307
            diradd            4            1K         1347
              pfil            4            1K            4
              cdev            2            1K            2
               osd            8            1K          710
    chacha20random            1            1K            1
          freework            2            1K         3410
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
          freefile            2            1K         1304
          freeblks            1            1K         1404
            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
           pf_rule            1            1K           55
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K          474
 CAM I/O Scheduler            1            1K            1
        ip_msource            2            1K            3
          CAM path            4            1K         1034
            soname            5            1K         5541
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            5            1K           98
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           43
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
               iov            1            1K        16426
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
           tcp_fsb            0            0K           93
          chd data            0            0K            8
            mqdata            0            0K            0
        dctcp data            0            0K            4
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        cubic data            0            0K            4
         htcp data            0            0K            0
        vegas data            0            0K            5
          cdg data            0            0K            8
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          759
         sctp_iter            0            0K           13
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            1
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           12
         sctp_aadr            0            0K            0
         sctp_stri            0            0K           66
       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
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            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     988      782434       0     254   38125568        0
           tcp_log    416       0   14940      149661       0     254    6215040        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8747    1183     1759388       0     254    2542080        0
          BUF TRIE    144     185   11575        8049       0      62    1693440        0
        malloc-384    384    4217      33        4312       0      30    1632000        0
        malloc-128    128   11322      55       11636       0     126    1456256        0
        RADIX NODE    144    9725     378       78073       0      62    1454832        0
       malloc-4096   4096     327       3         541       0       2    1351680        0
      mbuf_cluster   2048     585       1         585       0     254    1200128        0
       UMA Slabs 0    112   10631      22       10631       0     126    1193136        0
    ertt_txseginfo     40       0   28987      576094       0     254    1159480        0
         vmem btag     56   18616      79       18616       0     254    1046920        0
        256 Bucket   2048     308      14       17287       0       8     659456        0
         FFS inode   1160     518      28        1823       0       8     633360        0
       tcp_bbr_map    128       0    3565      111854       0     126     456320        0
       malloc-4096   4096      89       7        2579       0       2     393216        0
         VM OBJECT    264    1280     130       31632       0      30     372240        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
            THREAD   1808     157      30        2044       0       8     338096        0
             VNODE    448     556      92        1863       0      30     290304        0
         malloc-64     64    4194     342       38640       0     254     290304        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-32768  32768       0       8        2752       0       1     262144        0
      malloc-16384  16384       8       7        1126       0       1     245760        0
         malloc-16     16   14065     435       15493       0     254     232000        0
            DEVCTL   1024       0     220         153       0       0     225280        0
         MAP ENTRY     96    1624     434      113738       0     126     197568        0
      malloc-65536  65536       1       2          21       0       1     196608        0
         UMA Zones    768     242       2         242       0      16     187392        0
         malloc-32     32    5364     180        5578       0     254     177408        0
        malloc-256    256     119     556       13505       0      62     172800        0
        malloc-128    128    1264      69       30374       0     126     170624        0
        malloc-128    128    1151     120        4571       0     126     162688        0
       mbuf_packet    256      48     537        6545       0     254     149760        0
       FFS2 dinode    256     518      37        1823       0      62     142080        0
       S VFS Cache    104    1026     339        2352       0     126     141960        0
            socket    944      41      99        3381       0     254     132160        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         314       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
           VMSPACE   2544      39      12        2003       0       4     129744        0
       malloc-1024   1024     110       6         127       0      16     118784        0
          ksiginfo    112      67     977        1868       0     126     116928        0
       malloc-2048   2048       4      52         511       0       8     114688        0
         sctp_asoc   2288      17      33         405       0     254     114400        0
              PROC   1336      65      19        2023       0       8     112224        0
        128 Bucket   1024      80      27        1638       0      16     109568        0
        malloc-256    256     170     235        6285       0      62     103680        0
       malloc-2048   2048       7      41       13558       0       8      98304        0
       malloc-2048   2048      20      28        1076       0       8      98304        0
         filedesc0   1072      66      25        2042       0       8      97552        0
           sctp_ep   1280      18      54        1072       0     254      92160        0
          UMA Kegs    384     227       6         227       0      30      89472        0
            clpbuf   2624       0      32          60       0      16      83968        0
      malloc-16384  16384       4       1         179       0       1      81920        0
        malloc-128    128     305     315        1759       0     126      79360        0
        malloc-384    384      10     190        1676       0      30      76800        0
             g_bio    408       0     170       51552       0      30      69360        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2           7       0       1      65536        0
       malloc-8192   8192       5       3         134       0       1      65536        0
       malloc-8192   8192       4       4           8       0       1      65536        0
         64 Bucket    512      81      47        4388       0      30      65536        0
             tcpcb   1080       4      52         699       0     254      60480        0
        sctp_chunk    152      19     371         465       0     254      59280        0
        malloc-384    384      35     115        1544       0      30      57600        0
       malloc-8192   8192       6       1           8       0       1      57344        0
       malloc-1024   1024      25      31         933       0      16      57344        0
        sctp_raddr    736      17      60         486       0     254      56672        0
       malloc-4096   4096      12       1          23       0       2      53248        0
         32 Bucket    256      67     128        5315       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
         malloc-64     64     578     178       19211       0     254      48384        0
        malloc-256    256     151      29         370       0      62      46080        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4753     367        6123       0     254      40960        0
        malloc-384    384      79      21         237       0      30      38400        0
        malloc-256    256     114      36        1170       0      62      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       20154       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
         malloc-64     64     478      89         690       0     254      36288        0
      malloc-32768  32768       1       0           1       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
             Files     80     233     167       12002       0     126      32000        0
          8 Bucket     80      54     346        1575       0     126      32000        0
        malloc-256    256      67      53        1452       0      62      30720        0
       tcp_bbr_pcb    832       0      36         440       0      16      29952        0
              pipe    744      23      17         415       0      16      29760        0
       malloc-2048   2048      12       2         203       0       8      28672        0
       malloc-1024   1024      13      15        1472       0      16      28672        0
         TURNSTILE    136     188      22         188       0      62      28560        0
         tcp_inpcb    496       8      48         699       0     254      27776        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-2048   2048       6       6         269       0       8      24576        0
               PWD     32      20     736        1209       0     254      24192        0
             KNOTE    160      28     122       38187       0      62      24000        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-256    256      29      61        1366       0      62      23040        0
       malloc-4096   4096       2       3          85       0       2      20480        0
       malloc-4096   4096       3       2        1313       0       2      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
         malloc-64     64     218      97        4239       0     254      20160        0
         malloc-64     64      41     274        1941       0     254      20160        0
        malloc-128    128      89      66        1250       0     126      19840        0
        malloc-128    128       7     148         336       0     126      19840        0
        SLEEPQUEUE     88     188      36         188       0     126      19712        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      35      15          37       0      30      19200        0
        malloc-256    256      43      32         358       0      62      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2           7       0       2      16384        0
       malloc-2048   2048       2       6         113       0       8      16384        0
       malloc-2048   2048       4       4          56       0       8      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-64     64     158      94         188       0     254      16128        0
         malloc-32     32     298     206        7009       0     254      16128        0
         16 Bucket    144      73      39         587       0      62      16128        0
          2 Bucket     32      58     446        1055       0     254      16128        0
      vtnet_tx_hdr     24       0     668      612899       0     254      16032        0
        malloc-384    384      36       4          36       0      30      15360        0
        malloc-256    256      34      26         981       0      62      15360        0
      tcp_rack_pcb    832       0      18          93       0      16      14976        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512      10      14         201       0      30      12288        0
        malloc-512    512       0      24          89       0      30      12288        0
         malloc-32     32     160     218         290       0     254      12096        0
         malloc-32     32      61     317        2032       0     254      12096        0
         malloc-16     16     346     404         605       0     254      12000        0
             ripcb    496       5      19          31       0     254      11904        0
         udp_inpcb    496       6      18         254       0     254      11904        0
              kenv    258      15      30        1038       0      30      11610        0
     routing nhops    256      27      18          34       0      62      11520        0
             unpcb    256      20      25        1270       0     254      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-1024   1024       2       6          14       0      16       8192        0
       malloc-1024   1024       1       7          28       0      16       8192        0
        malloc-512    512       1      15           2       0      30       8192        0
        malloc-512    512       3      13         311       0      30       8192        0
        malloc-512    512      12       4          14       0      30       8192        0
        malloc-512    512       0      16           4       0      30       8192        0
           pf tags    104       0      78          74       0     126       8112        0
           rtentry    176      30      16          34       0      62       8096        0
             tcptw     88       4      88           4       0     254       8096        0
              PGRP     88      35      57          67       0     126       8096        0
          rl_entry     40      82     120          82       0     254       8080        0
sctp_stream_msg_out    112       1      71          83       0     254       8064        0
        sctp_laddr     48       8     160         452       0     254       8064        0
             udpcb     32       6     246         270       0     254       8064        0
              ertt     72       4     108         699       0     126       8064        0
         malloc-64     64      14     112         102       0     254       8064        0
         malloc-64     64      87      39         381       0     254       8064        0
         malloc-32     32     137     115         185       0     254       8064        0
         malloc-32     32      24     228          73       0     254       8064        0
         malloc-32     32      38     214         860       0     254       8064        0
          4 Bucket     48       7     161          82       0     254       8064        0
         malloc-16     16       6     494         706       0     254       8000        0
         malloc-16     16      16     484          19       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      30     470       26738       0     254       8000        0
         malloc-16     16      43     457        1642       0     254       8000        0
        malloc-128    128      25      37         134       0     126       7936        0
        malloc-128    128      11      51         120       0     126       7936        0
        sctp_readq    152       0      52          30       0     254       7904        0
               AIO    208       0      38          21       0      62       7904        0
           cryptop    280       0      28          15       0      30       7840        0
             AIOCB    552       0      14         122       0      16       7728        0
        malloc-384    384       1      19         374       0      30       7680        0
            AIOLIO    272       0      28          22       0      30       7616        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       4       4           4       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
      tcp_rack_map    112       0      36         153       0     126       4032        0
         hostcache     64       2      61           2       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
              AIOP     32       4     122           4       0     254       4032        0
     udplite_inpcb    496       0       8          16       0     254       3968        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        malloc-384    384       1       9          12       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
tfo_ccache_entries     80       1      31           1       0     126       2560        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    304       0       0           0       0     254          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
          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
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    584       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
     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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/09 18:17 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/09 13:55 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/09 06:09 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/09 01:29 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/08 10:54 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/08 04:37 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/07 22:34 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
2021/07/07 15:10 freebsd-src a7b05eb16c9d 4846d5c1 console log report ci-freebsd-i386 panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6)
* Struck through repros no longer work on HEAD.