syzbot


panic: ASan: Invalid access, NUM-byte read in ip6_input

Status: auto-closed as invalid on 2022/02/08 19:15
Reported-by: syzbot+a88878cd11e0e58990ee@syzkaller.appspotmail.com
First crash: 842d, last: 842d

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe00583fff94, UMAUseAfterFree(fd)
cpuid = 1
time = 1636571717
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077fe6d0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077fe830
vpanic() at vpanic+0x2b8/frame 0xfffffe00077fe910
panic() at panic+0xb5/frame 0xfffffe00077fe9d0
__asan_load4_noabort() at __asan_load4_noabort+0x216/frame 0xfffffe00077fea90
ip6_input() at ip6_input+0x166/frame 0xfffffe00077fecf0
swi_net() at swi_net+0x2e5/frame 0xfffffe00077fed90
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe00077feef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00077fef30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077fef30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100030 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28dbe0a(%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         0x44f07ec565f067f1
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe00077fe810
rbp         0xfffffe00077fe830
rsi                        0x1
rdi                          0
r8                         0x3
r9          0xfffffe00077fe348
r10                          0
r11         0xfffffe009ef03a70
r12         0xfffffe0053e8ec80
r13         0xfffffe00077fe801
r14         0xffffffff82c8f1c0  .str.18
r15         0xffffffff82c8f1c0  .str.18
rip         0xffffffff817b8cab  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28dbe0a(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053dd2548:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff84035a40
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff84035a40 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff840369e0
   (map 0xffffffff840369e0)
   (map.pmap 0xffffffff84036aa0)
   (pmap 0xffffffff84036b08)
 threads: 23
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100018                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi3: vm]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   Run     CPU 0                       [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
10100 10095   429     0  R                                   ifconfig
10096 10090 10090     0  RV                                  syz-executor.3
10095   429   429     0  R                                   sh
10094 10092 10092     0  R                                   ifconfig
10092   773 10092     0  Ss      wait    0xfffffe009e95a548  syz-executor.1
10091 10086 10086     0  D       ifnet_d 0xffffffff8418b4a0  ifconfig
10090   773 10090     0  Ds      ppwait  0xfffffe009ef494f8  syz-executor.3
10086   773 10086     0  Ss      wait    0xfffffe009ef4a000  syz-executor.0
10073     1 10073    65  Ss      select  0xfffffe00574c9740  dhclient
 8960     1  8960     0  Ss      select  0xfffffe009eec7040  dhclient
 8952     1  8952     0  Ss      select  0xfffffe009eec6cc0  dhclient
 1814     0     0     0  DL      aiordy  0xfffffe009c17b000  [aiod4]
 1813     0     0     0  DL      aiordy  0xfffffe009c177a90  [aiod3]
 1812     0     0     0  DL      aiordy  0xfffffe009eeb8a90  [aiod2]
 1811     0     0     0  DL      aiordy  0xfffffe00a6558548  [aiod1]
  881     1   783     0  S       uwait   0xfffffe00574c8800  syz-executor.2
  880     1   783     0  S       uwait   0xfffffe00574c7500  syz-executor.2
  879     1   783     0  S       uwait   0xfffffe00574c8900  syz-executor.2
  878     1   783     0  S       uwait   0xfffffe0057076b80  syz-executor.2
  773   771   771     0  R       (threaded)                  syz-fuzzer
100115                   S       uwait   0xfffffe0057076680  syz-fuzzer
100116                   RunQ                                syz-fuzzer
100117                   S       uwait   0xfffffe0056b92700  syz-fuzzer
100118                   S       uwait   0xfffffe0056b92800  syz-fuzzer
100119                   S       kqread  0xfffffe009e7e3e00  syz-fuzzer
100120                   S       uwait   0xfffffe0056b92a00  syz-fuzzer
100121                   RunQ                                syz-fuzzer
100123                   RunQ                                syz-fuzzer
100124                   S       uwait   0xfffffe0057076880  syz-fuzzer
109792                   S       uwait   0xfffffe0057076a80  syz-fuzzer
  771   769   771     0  SWs     pause   0xfffffe009eeb95f8  csh
  769   687   769     0  Ss      select  0xfffffe0056b92cc0  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00570b1cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00584480b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00584484b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00584488b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0058448cb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00584490b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00584494b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00584498b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0058449cb0  getty
  691     1   691     0  SWs     nanslp  0xffffffff840619c1  cron
  687     1   687     0  Ss      select  0xfffffe00574c7b40  sshd
  500     1   500     0  Rs                                  syslogd
  429     1   429     0  Ss      wait    0xfffffe0058bcf548  devd
  428     1   428    65  Ss      select  0xfffffe0057076140  dhclient
  343     1   343     0  Ss      select  0xfffffe00570760c0  dhclient
  340     1   340     0  Ss      select  0xfffffe00570778c0  dhclient
   16     0     0     0  DL      syncer  0xffffffff84189de0  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe0057897000  [vnlru]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff84187ae0  [bufdaemon]
100081                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100091                   D       sdflush 0xfffffe0053c5f8e8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff841c0080  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff841b3b78  [dom0]
100082                   D       launds  0xffffffff841b3b84  [laundry: dom0]
100083                   D       umarcl  0xffffffff81ebf130  [uma]
    6     0     0     0  DL      -       0xffffffff83e17be8  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff84bcf760  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff84d9a320  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83c9d3c0  [doneq0]
100046                   D       -       0xffffffff83c9d340  [async]
100075                   D       -       0xffffffff83c9d1c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056aa0c88  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff841adc20  [crypto]
100042                   D       crypto_ 0xfffffe0053c69d30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053c69d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff84034b40  [g_event]
100037                   D       -       0xffffffff84034b80  [g_up]
100038                   D       -       0xffffffff84034bc0  [g_down]
   12     0     0     0  RL      (threaded)                  [intr]
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100018                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi3: vm]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   Run     CPU 0                       [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053dd3000  [init]
   10     0     0     0  DL      audit_w 0xffffffff841aebc0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84035a40  [swapper]
100005                   D       -       0xfffffe0053c7e700  [if_config_tqg_0]
100006                   D       -       0xfffffe0053c7e600  [softirq_0]
100007                   D       -       0xfffffe0053c7e500  [softirq_1]
100008                   D       -       0xfffffe0053c7e400  [if_io_tqg_0]
100009                   D       -       0xfffffe0053c7e300  [if_io_tqg_1]
100010                   D       -       0xfffffe0007968900  [inm_free taskq]
100011                   D       -       0xfffffe0007968800  [deferred_unmount ta]
100012                   D       -       0xfffffe0007968700  [thread taskq]
100014                   D       -       0xfffffe0007968500  [pci_hp taskq]
100015                   D       -       0xfffffe0007968400  [linuxkpi_irq_wq]
100016                   D       -       0xfffffe0007968300  [kqueue_ctx taskq]
100019                   D       -       0xfffffe0007968000  [aiod_kick taskq]
100020                   D       -       0xfffffe0007967e00  [in6m_free taskq]
100021                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0007967b00  [firmware taskq]
100039                   D       -       0xfffffe0007967a00  [crypto_0]
100040                   D       -       0xfffffe0007967a00  [crypto_1]
100056                   D       -       0xfffffe0007967700  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0007967600  [vtnet0 txq 0]
100058                   D       -       0xfffffe0007967500  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0007967400  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057079100  [virtio_balloon]
100065                   D       -       0xfffffe0007967300  [mca taskq]
100066                   D       -       0xffffffff82c96181  [deadlkres]
100070                   D       -       0xfffffe005843f300  [acpi_task_0]
100071                   D       -       0xfffffe005843f300  [acpi_task_1]
100072                   D       -       0xfffffe005843f300  [acpi_task_2]
100074                   D       -       0xfffffe0007967900  [CAM taskq]
  783   773   783     0  Z                                   syz-executor.2
db> show all locks
Process 10094 (ifconfig) thread 0xfffffe0058979900 (103522)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 1 (0xffffffff8418b4a0) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:1143
Process 773 (syz-fuzzer) thread 0xfffffe009eec1720 (100121)
shared rw vm object (vm object) r = 0 (0xfffffe00a6527738) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_fault.c:1354
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe009eebda58) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_map.c:4937
Process 500 (syslogd) thread 0xfffffe0056f50020 (100089)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe000799f300) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:3937
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009e982770) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_syscalls.c:3541
Process 12 (intr) thread 0xfffffe0053e8e560 (100031)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a8584c70) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:1770
db> show malloc
              Type        InUse        MemUse     Requests
         sctp_stro          495       857391K         4852
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4241
          tcp_hpts            6         3201K            6
         sysctloid        34970         2060K        35041
             vtbuf           24         1968K           46
               pcb         1015         1651K        23058
              kobj          326         1304K          485
            newblk           10         1027K         9789
          vfscache            3         1025K            3
          inodedep           24          521K         9205
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         sctp_atcl          990          372K        15426
              vmem            3          274K            5
           subproc          138          255K        10183
            acpica         1674          184K        55237
          filedesc           22          169K        18232
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          355          140K          383
           pagedep           11          131K         9121
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          128
               sem            4          106K            4
               bus          986           80K         3474
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
         sctp_atky         1485           62K        19961
              umtx          352           44K          352
           kdtrace          214           43K        19894
         sctp_timw          148           37K          148
               BPF           21           36K           47
              temp           30           33K         5649
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          126           32K          138
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
            ifaddr           60           17K           80
               tty           16           16K           16
           ithread           99           16K           99
         sctp_athm          990           16K        15646
          sctp_map          990           16K         8610
          routetbl          203           15K          683
            bus-sc           34           15K         1691
            KTRACE          100           13K          100
             ifnet            7           13K            8
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
         bmsafemap            2            9K         9157
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K           21
       pfs_vncache            1            8K            1
           lltable           28            8K           59
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          251
            kqueue           58            6K        10109
       ether_multi           68            6K          167
            plimit           21            6K          460
            DEVFSP           74            5K          309
         in6_multi           35            5K           71
               UMA          268            5K          268
          pf_ifnet           10            5K           26
                vt           11            5K           11
          kcovinfo           66            5K          119
           memdesc            1            4K            1
               MCA           32            4K           32
       ufs_dirhash            8            4K           24
             evdev            4            4K            4
           acpisem           28            4K           28
           pwddesc           55            4K        10101
             hhook           15            4K           17
            dirrem           13            4K         9111
           session           26            4K           54
         proc-args           82            4K        11485
             lockf           26            3K           60
          terminal           11            3K           11
          freework           11            3K         9112
          freeblks           10            3K         9111
           uidinfo            3            3K           10
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             mkdir           13            2K        18194
             selfd           26            2K       143163
            Unitno           27            2K           55
           CAM XPT           22            2K          543
            ip6ndp            9            2K           16
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
            select           10            2K           65
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            8
          sctp_ifa            8            1K           15
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           32
      NFSD session            1            1K            1
         newdirblk            7            1K         9097
            diradd            7            1K         9145
             nhops            6            1K            9
        CAM periph            4            1K          271
             ipsec            3            1K            3
          in_multi            3            1K            8
              igmp            6            1K            7
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K           10
               mld            5            1K            7
 encap_export_host           12            1K           12
          freefile            4            1K         9099
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           14            1K         1680
               osd            8            1K         1356
          sctp_ifn            3            1K           15
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
      newreno data            4            1K         1345
            vnodes            1            1K            1
           CAM SIM            2            1K            2
          procdesc            2            1K           18
            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
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K          257
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K        16278
          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
          filecaps            2            1K          116
          p1003.1b            1            1K            1
        vegas data            0            0K            0
         htcp data            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K          114
            mqdata            0            0K            0
          chd data            0            0K            0
        dctcp data            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         5891
         sctp_iter            0            0K           18
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           18
         sctp_aadr            0            0K            0
         sctp_stri            0            0K          440
        cubic data            0            0K            0
          cdg data            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            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
              iavf            0            0K            0
               ixl            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8341       6      914194       0       2   34189312        0
        RADIX NODE    144   24935     820      331321       0      62    3708720        0
              pbuf   2624       0    1005           0       0       2    2637120        0
              mbuf    256    9039     713     4419068       0     254    2496512        0
          BUF TRIE    144     201   11559         818       0      62    1693440        0
      mbuf_cluster   2048     718      82     2722691       0       8    1638400        0
        malloc-384    384    4176      24        5931       0      30    1612800        0
        malloc-128    128   11470     124       20634       0     126    1484032        0
       malloc-4096   4096     326       3         494       0       2    1347584        0
       UMA Slabs 0    112    9827    1003       11793       0     126    1212960        0
         sctp_asoc   2288     495      25        4305       0       4    1189760        0
         vmem btag     56   16869    2466       19318       0     254    1082760        0
       malloc-2048   2048     499      11       11096       0       8    1044480        0
           sctp_ep   1272     495      15       10901       0       8     648720        0
         FFS inode   1160     520      26        9619       0       8     633360        0
        malloc-384    384    1075      45       15511       0      30     430080        0
        sctp_raddr    736     495      44        4317       0      16     396704        0
      malloc-65536  65536       4       2         348       0       1     393216        0
            lkpimm    168       2    2326           2       0      62     391104        0
          lkpicurr    168       4    2324           4       0      62     391104        0
         VM OBJECT    264    1173     267      143864       0      30     380160        0
       malloc-1024   1024     309      15        4311       0      16     331776        0
            THREAD   1808     157      19        9792       0       8     318208        0
             VNODE    448     558      99        9661       0      30     294336        0
       malloc-4096   4096      58      11       10103       0       2     282624        0
         malloc-64     64    4077     270       14743       0     254     278208        0
         malloc-16     16   14493     257       14594       0     254     236000        0
         MAP ENTRY     96    1397     745      542823       0     126     205632        0
        256 Bucket   2048      87      13        7612       0       8     204800        0
        malloc-256    256     645     135       11534       0      62     199680        0
         UMA Zones    768     240       4         240       0      16     187392        0
       mbuf_packet    256      22     696     4004363       0     254     183808        0
         malloc-32     32    5347     323       16108       0     254     181440        0
      malloc-16384  16384      10       1        9112       0       1     180224        0
        malloc-128    128    1201     132       43972       0     126     170624        0
     FPU_save_area    832     159      39       14019       0      16     164736        0
       malloc-1024   1024     120      36        1600       0      16     159744        0
        malloc-256    256     420     180       29364       0      62     153600        0
       FFS2 dinode    256     520      65        9619       0      62     149760        0
       S VFS Cache    104    1018     386       10225       0     126     146016        0
           VMSPACE   2552      34      20       10089       0       4     137808        0
      malloc-65536  65536       2       0           2       0       1     131072        0
        malloc-128    128     785     145       11872       0     126     119040        0
        malloc-128    128     588     311        5574       0     126     115072        0
            DEVCTL   1024       4     104         179       0       0     110592        0
              PROC   1352      55      26       10100       0       8     109512        0
         malloc-64     64    1138     311       17755       0     254      92736        0
       malloc-4096   4096      10      12          22       0       2      90112        0
          UMA Kegs    384     226       7         226       0      30      89472        0
        sctp_chunk    152     495      77         917       0      62      86944        0
         filedesc0   1072      55      22       10101       0       8      82544        0
      malloc-16384  16384       5       0         180       0       1      81920        0
         malloc-64     64     672     588      156076       0     254      80640        0
            socket    960      27      53       13875       0      16      76800        0
        128 Bucket   1024      41      30        3378       0      16      72704        0
      malloc-65536  65536       1       0           9       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
       malloc-4096   4096      14       2        9304       0       2      65536        0
       malloc-4096   4096       9       4          20       0       2      53248        0
         64 Bucket    512      50      54       13336       0      30      53248        0
        malloc-384    384      57      73        9251       0      30      49920        0
       malloc-2048   2048       6      16          52       0       8      45056        0
         malloc-32     32    1015     371       19291       0     254      44352        0
             Files     80     190     360       31486       0     126      44000        0
         malloc-16     16    2009     741       54791       0     254      44000        0
        malloc-256    256      47     118       18502       0      62      42240        0
        malloc-256    256      50     115       17510       0      62      42240        0
       malloc-8192   8192       5       0         134       0       1      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-2048   2048       3      17         144       0       8      40960        0
            pcpu-8      8    4612     508        5051       0     254      40960        0
          ksiginfo    112      72     288        4471       0     126      40320        0
         malloc-64     64      43     587       17519       0     254      40320        0
        malloc-128    128     151     159         424       0     126      39680        0
       malloc-1024   1024       3      33          21       0      16      36864        0
               PWD     32      15    1119        9193       0     254      36288        0
         malloc-64     64      23     544         397       0     254      36288        0
         udp_inpcb    496       8      64         216       0      30      35712        0
        malloc-256    256       5     130         612       0      62      34560        0
        malloc-256    256      75      60         771       0      62      34560        0
         32 Bucket    256      38      97        1593       0      62      34560        0
         TURNSTILE    136     177      75         177       0      62      34272        0
              pipe    744      21      24         502       0      16      33480        0
             NAMEI   1024       0      32       52016       0      16      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
        malloc-256    256      42      78          91       0      62      30720        0
       malloc-2048   2048      11       3         519       0       8      28672        0
        sctp_laddr     48       0     588        1072       0     254      28224        0
          4 Bucket     48       8     580         251       0     254      28224        0
            ttyinq    160     135      40         300       0      62      28000        0
        malloc-128    128      85     132         115       0     126      27776        0
               AIO    208       0     133           9       0      62      27664        0
           ttyoutq    256      72      33         160       0      62      26880        0
        malloc-384    384       3      67          83       0      30      26880        0
        malloc-256    256      34      71        9153       0      62      26880        0
       malloc-8192   8192       3       0           3       0       1      24576        0
             g_bio    408       0      60        8026       0      30      24480        0
              PGRP     88      26     250          54       0     126      24288        0
          rl_entry     40      71     535          71       0     254      24240        0
         malloc-32     32     189     567        9518       0     254      24192        0
         malloc-32     32     393     363        1698       0     254      24192        0
          2 Bucket     32     127     629       31616       0     254      24192        0
             KNOTE    160      32     118      116967       0      62      24000        0
          8 Bucket     80      42     258        2811       0     126      24000        0
     routing nhops    256      16      74          37       0      62      23040        0
             udpcb     32       8     622         307       0     254      20160        0
         malloc-64     64     149     166         325       0     254      20160        0
         malloc-32     32      30     600         391       0     254      20160        0
         malloc-32     32      16     614        1688       0     254      20160        0
         16 Bucket    144      27     113         401       0      62      20160        0
        malloc-128    128       6     149        9486       0     126      19840        0
        malloc-128    128      13     142          20       0     126      19840        0
        SLEEPQUEUE     88     177      47         177       0     126      19712        0
             AIOCB    552       0      35          13       0      16      19320        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      34      16          34       0      30      19200        0
            da_ccb    544       0      35        2127       0      16      19040        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-8192   8192       2       0           4       0       1      16384        0
       malloc-2048   2048       7       1           9       0       8      16384        0
       malloc-1024   1024      16       0          16       0      16      16384        0
       malloc-1024   1024      12       4         537       0      16      16384        0
           rtentry    176      18      74          37       0      62      16192        0
         malloc-32     32      30     474         103       0     254      16128        0
         malloc-16     16     516     484        1866       0     254      16000        0
             tcpcb   1096       4      10        1345       0       8      15344        0
       malloc-4096   4096       3       0         636       0       2      12288        0
        malloc-512    512      12      12          12       0      30      12288        0
        malloc-512    512       4      20          10       0      30      12288        0
    ertt_txseginfo     40       0     303       44345       0     254      12120        0
              AIOP     32       4     374           4       0     254      12096        0
         malloc-64     64       5     184           7       0     254      12096        0
         malloc-32     32      44     334          45       0     254      12096        0
         malloc-16     16      14     736        7004       0     254      12000        0
         malloc-16     16       6     744           6       0     254      12000        0
         malloc-16     16      37     713       10901       0     254      12000        0
              kenv    258      15      30        1041       0      30      11610        0
             unpcb    256      11      34        1253       0      62      11520        0
            cpuset    104       7      86           7       0     126       9672        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-1024   1024       5       3           5       0      16       8192        0
       malloc-1024   1024       5       3          25       0      16       8192        0
         malloc-16     16       5     495          62       0     254       8000        0
             ripcb    496       2      14          28       0      30       7936        0
        malloc-384    384      11       9          11       0      30       7680        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       1       0           2       0       2       4096        0
       malloc-2048   2048       2       0         525       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-1024   1024       3       1           3       0      16       4096        0
        malloc-512    512       2       6           2       0      30       4096        0
        malloc-512    512       5       3         227       0      30       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
sctp_stream_msg_out    112      10      26        1716       0     126       4032        0
         hostcache     64       1      62           1       0     254       4032        0
              ertt     72       4      52        1345       0     126       4032        0
         malloc-64     64       2      61           2       0     254       4032        0
      vtnet_tx_hdr     24       0     167      465049       0     254       4008        0
         malloc-16     16       2     248           4       0     254       4000        0
         tcp_inpcb    496       4       4        1345       0      30       3968        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      92           3       0     254       3040        0
        SMR SHARED     24       3      92           3       0     254       2280        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0      62          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      62          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0      30          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_rack_pcb    896       0       0         114       0      16          0        0
      tcp_rack_map    120       0       0         177       0     126          0        0
       tcp_bbr_pcb    832       0       0        1064       0      16          0        0
       tcp_bbr_map    128       0       0       13739       0     126          0        0
     udplite_inpcb    496       0       0          91       0      30          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0      30          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
          syncache    168       0       0           4       0      62          0        0
             tcptw     88       0       0           0       0     126          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
        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
           DIRHASH   1024       0       0          34       0      16          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0       1          0        0
     mbuf_jumbo_9k   9216       0       0           0       0       1          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
            clpbuf   2624       0       0          29       0       4          0        0
            vnpbuf   2624       0       0           0       0       4          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       4          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0         130       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-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           2       0       2          0        0
       malloc-2048   2048       0       0           2       0       8          0        0
        malloc-512    512       0       0           1       0      30          0        0
        malloc-512    512       0       0           1       0      30          0        0
        malloc-512    512       0       0         440       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
2021/11/10 19:15 freebsd-src 2de49deeca0b 75b04091 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in ip6_input
* Struck through repros no longer work on HEAD.