syzbot


panic: ASan: Invalid access, 4-byte read in tcp_usr_bind

Status: fixed on 2021/08/05 18:41
Reported-by: syzbot+24fcfd8057e9bc339295@syzkaller.appspotmail.com
Fix commit: 3f1f6b6ef7f6 tcp, udp: improve input validation in handling bind()
First crash: 575d, last: 549d

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe0057423f74, RedZonePartial(2)
cpuid = 1
time = 1625989840
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe008f7cd450
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe008f7cd5b0
vpanic() at vpanic+0x2c5/frame 0xfffffe008f7cd690
panic() at panic+0xb5/frame 0xfffffe008f7cd760
__asan_load4_noabort() at __asan_load4_noabort+0x20f/frame 0xfffffe008f7cd820
tcp_usr_bind() at tcp_usr_bind+0x5c/frame 0xfffffe008f7cd880
sobind() at sobind+0xd5/frame 0xfffffe008f7cd8d0
kern_bindat() at kern_bindat+0x25e/frame 0xfffffe008f7cd9b0
sys_bind() at sys_bind+0xfb/frame 0xfffffe008f7cd9f0
amd64_syscall() at amd64_syscall+0x425/frame 0xfffffe008f7cdbf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe008f7cdbf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b4f7a, rsp = 0x7fffffffea48, rbp = 0x7fffffffea80 ---
KDB: enter: panic
[ thread pid 785 tid 100109 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f9c3a(%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         0xe9bfd8a4b1d72213
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe008f7cd590
rbp         0xfffffe008f7cd5b0
rsi                        0x1
rdi         0xffffffff840860c0  cov_trace_pc
r8                         0x3
r9          0xfffffe008f7cd0e8
r10                          0
r11         0xfffffe008fa6e530
r12         0xfffffe008fa6e020
r13         0xfffffe008f7cd601
r14         0xffffffff82c427e0  .str.18
r15         0xffffffff82c427e0  .str.18
rip         0xffffffff8178edfb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28f9c3a(%rip)
db> show proc
Process 785 (syz-executor8832975) at 0xfffffe0091ef6a70:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 783 at 0xfffffe008fa98538
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: ./syz-executor883297509
 reaper: 0xfffffe0053d51538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00920d1000
   (map 0xfffffe00920d1000)
   (map.pmap 0xfffffe00920d10c0)
   (pmap 0xfffffe00920d1120)
 threads: 1
100109                   Run     CPU 1                       syz-executor8832975
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  785   783   783     0  R       CPU 1                       syz-executor8832975
  783   781   783     0  Ss      pause   0xfffffe008fa985e8  csh
  781   694   781     0  Rs      CPU 0                       sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ee0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ee4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ee8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583eecb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583960b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583964b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583968b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058396cb0  getty
  750     1    24     0  S+      piperd  0xfffffe0091fbc8b8  logger
  749   748    24     0  S+      nanslp  0xffffffff84055900  sleep
  748     1    24     0  S+      wait    0xfffffe0091faba70  sh
  698     1   698     0  Ss      nanslp  0xffffffff84055900  cron
  694     1   694     0  Ss      select  0xfffffe0091fa82c0  sshd
  507     1   507     0  Ss      select  0xfffffe0091fa8740  syslogd
  436     1   436     0  Ss      select  0xfffffe0091f71cc0  devd
  435     1   435    65  Ss      select  0xfffffe0091f71d40  dhclient
  350     1   350     0  Ss      select  0xfffffe0058393040  dhclient
  347     1   347     0  Ss      select  0xfffffe00583930c0  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe005879a538  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100099                   D       sdflush 0xfffffe008f8aace8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b1c80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a57b8  [dom0]
100084                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100085                   D       umarcl  0xffffffff81e7e640  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84b41460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84d8ed30  [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  DLs     (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                   D       -       0xfffffe000791b500  [thread taskq]
100013                   D       -       0xfffffe000791b400  [inm_free taskq]
100015                   D       -       0xfffffe000791b200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe000791b100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe000791b000  [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       -       0xffffffff82c49760  [deadlkres]
100076                   D       -       0xfffffe005838de00  [acpi_task_0]
100077                   D       -       0xfffffe005838de00  [acpi_task_1]
100078                   D       -       0xfffffe005838de00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4241
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          326         1304K          486
            newblk          706         1201K          718
          vfscache            3         1025K            3
               pcb           23          537K           77
          inodedep           51          531K           73
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          107          207K          847
            acpica         1674          184K        54806
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          357          140K          385
              vmem            3          138K            4
           pagedep           15          132K           19
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          112
               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
           kdtrace          171           35K          911
              umtx          264           33K          264
              temp           18           33K         1616
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          122           31K          132
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1684
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          133           12K          133
            ifaddr           30           12K           32
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
         bmsafemap            5            9K           41
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          234
       ufs_dirhash           24            5K           24
            dirrem           18            5K           28
               UMA          270            5K          270
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
             hhook           15            4K           17
            diradd           26            4K           37
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
            kqueue           46            3K          788
           pwddesc           46            3K          786
          terminal           11            3K           11
           session           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
         proc-args           39            2K          489
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
          freework            6            2K           26
             mkdir           10            2K           18
          freeblks            5            2K           25
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
             selfd           20            2K        10759
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
         newdirblk            5            1K            9
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
               osd            8            1K           19
    chacha20random            1            1K            1
       inpcbpolicy           11            1K          138
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
          freefile            1            1K            9
             xform            2            1K           49
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K         3448
          procdesc            1            1K            6
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           36
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          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
        vegas data            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            4
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          chd data            0            0K            0
            mqdata            0            0K            0
        cubic data            0            0K            0
         htcp data            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        dctcp data            0            0K            0
          cdg data            0            0K            0
       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
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
     vm_fictitious            0            0K            0
            vtfont            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
           UMAHash            0            0K            0
            ata_da            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K            6
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefrag            0            0K            1
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
          ktls_ocf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K            3
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             frag6            0            0K            0
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           acpipwr            0            0K            0
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               LRO            0            0K            0
      newreno data            0            0K            0
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       ip_moptions            0            0K            0
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
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              zlib            0            0K            0
           fadvise            0            0K            0
           VN POLL            0            0K            0
            twsbuf            0            0K            0
            statfs            0            0K          195
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            3
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
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             mixer            0            0K            0
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             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         1760
               PUC            0            0K            0
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          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     987       14694       0     254   38121472        0
              mbuf    256    8577     993       18007       0     254    2449920        0
              pbuf   2624       0     794           0       0       2    2083456        0
          BUF TRIE    144     184   11576         498       0      62    1693440        0
        malloc-384    384    4181       9        4181       0      30    1608960        0
        malloc-128    128   11300      46       11378       0     126    1452288        0
       malloc-4096   4096     326       2         490       0       2    1343488        0
       UMA Slabs 0    112   10115      34       10115       0     126    1136688        0
         vmem btag     56   15119     120       15119       0     254     853384        0
         FFS inode   1160     500      11         510       0       8     592760        0
        RADIX NODE    144    3033     182       21143       0      62     462960        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
         malloc-64     64    4084     137       15071       0     254     270144        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         VM OBJECT    264     891      54       12692       0      30     249480        0
             VNODE    448     530      19         542       0      30     245952        0
        256 Bucket   2048     102      16       10794       0       8     241664        0
            THREAD   1808     124       8         124       0       8     238656        0
       malloc-4096   4096      53       3        1325       0       2     229376        0
         malloc-16     16   14031     219       14102       0     254     228000        0
            DEVCTL   1024       0     220         125       0       0     225280        0
        malloc-256    256     820      20        1100       0      62     215040        0
      malloc-65536  65536       0       3         182       0       1     196608        0
         UMA Zones    768     242       2         242       0      16     187392        0
         malloc-32     32    5362     182        5524       0     254     177408        0
        malloc-128    128    1271      31       28953       0     126     166656        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
        malloc-128    128     985      38        1977       0     126     130944        0
       FFS2 dinode    256     500      10         509       0      62     130560        0
          ksiginfo    112      43    1001          59       0     126     116928        0
         MAP ENTRY     96     837     381       38044       0     126     116928        0
       malloc-1024   1024     106       6         115       0      16     114688        0
       S VFS Cache    104     967      47        1009       0     126     105456        0
      malloc-16384  16384       3       3         178       0       1      98304        0
       malloc-2048   2048       4      44         511       0       8      98304        0
       malloc-2048   2048       7      39        1767       0       8      94208        0
          UMA Kegs    384     227       6         227       0      30      89472        0
       malloc-8192   8192       6       4         135       0       1      81920        0
              PROC   1336      45      15         785       0       8      80160        0
           VMSPACE   2544      23       7         764       0       4      76320        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
        128 Bucket   1024      39      20         602       0      16      60416        0
         filedesc0   1072      46      10         786       0       8      60032        0
       malloc-4096   4096      12       1          23       0       2      53248        0
             g_bio    408       0     130        4466       0      30      53040        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-1024   1024       8      36         516       0      16      45056        0
         malloc-64     64     558     135       15686       0     254      44352        0
        malloc-128    128     292      49         446       0     126      43648        0
        malloc-256    256     140      25         473       0      62      42240        0
            clpbuf   2624       0      16          22       0      16      41984        0
           DIRHASH   1024      34       6          34       0      16      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
        malloc-256    256     134      16         151       0      62      38400        0
        malloc-256    256     106      44         945       0      62      38400        0
         32 Bucket    256      43     107        5090       0      62      38400        0
             NAMEI   1024       0      36       12212       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
            pcpu-8      8    4228     380        4256       0     254      36864        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
         64 Bucket    512      55       9        1182       0      30      32768        0
         malloc-64     64     478      26         690       0     254      32256        0
        malloc-384    384      74       6         103       0      30      30720        0
            socket    944      19      13        1326       0     254      30208        0
       malloc-1024   1024      13      15        1085       0      16      28672        0
       malloc-8192   8192       2       1           4       0       1      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      50      10          72       0      30      23040        0
         TURNSTILE    136     133      35         133       0      62      22848        0
       malloc-4096   4096       2       3          85       0       2      20480        0
       malloc-4096   4096       3       2         199       0       2      20480        0
       malloc-2048   2048       8       2         199       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      36      14          36       0      30      19200        0
              pipe    744       7      18         284       0      16      18600        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       4       4          81       0       8      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-64     64     133     119        1672       0     254      16128        0
         malloc-64     64      19     233         574       0     254      16128        0
         malloc-32     32     285     219        4174       0     254      16128        0
             Files     80      72     128        6573       0     126      16000        0
        malloc-128    128      77      47          98       0     126      15872        0
        malloc-128    128       7     117         261       0     126      15872        0
        malloc-256    256      32      28         672       0      62      15360        0
             tcpcb   1080       4      10           8       0     254      15120        0
        SLEEPQUEUE     88     133      27         133       0     126      14080        0
       malloc-2048   2048       2       4           4       0       8      12288        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512      10      14         196       0      30      12288        0
    ertt_txseginfo     40       0     303         266       0     254      12120        0
         malloc-64     64     146      43         148       0     254      12096        0
         malloc-32     32     140     238         250       0     254      12096        0
         malloc-32     32      22     356         567       0     254      12096        0
         16 Bucket    144      38      46         229       0      62      12096        0
         malloc-16     16     326     424         560       0     254      12000        0
          8 Bucket     80      42     108         740       0     126      12000        0
         udp_inpcb    496       6      18         126       0     254      11904        0
              kenv    258      15      30        1026       0      30      11610        0
        malloc-384    384      19      11          21       0      30      11520        0
        malloc-256    256      14      31         137       0      62      11520        0
        malloc-256    256      23      22          75       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       3       1          12       0       8       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
       malloc-1024   1024       2       6          10       0      16       8192        0
       malloc-1024   1024       1       7          17       0      16       8192        0
        malloc-512    512       1      15           2       0      30       8192        0
        malloc-512    512       3      13          11       0      30       8192        0
        malloc-512    512       4      12           4       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      20      72          31       0     126       8096        0
          rl_entry     40      35     167          35       0     254       8080        0
        sctp_laddr     48       0     168           4       0     254       8064        0
             udpcb     32       6     246         126       0     254       8064        0
              ertt     72       4     108           8       0     126       8064        0
               PWD     32      11     241         101       0     254       8064        0
         malloc-64     64      11     115          61       0     254       8064        0
         malloc-64     64       7     119          12       0     254       8064        0
         malloc-32     32      42     210          92       0     254       8064        0
         malloc-32     32      17     235          41       0     254       8064        0
         malloc-32     32      38     214         739       0     254       8064        0
          4 Bucket     48       5     163          47       0     254       8064        0
          2 Bucket     32      45     207         502       0     254       8064        0
      vtnet_tx_hdr     24       0     334        2426       0     254       8016        0
         malloc-16     16       6     494          14       0     254       8000        0
         malloc-16     16     187     313        1415       0     254       8000        0
         malloc-16     16      26     474       25096       0     254       8000        0
         malloc-16     16       8     492          31       0     254       8000        0
             ripcb    496       1      15           4       0     254       7936        0
         tcp_inpcb    496       4      12           8       0     254       7936        0
        malloc-128    128      22      40          70       0     126       7936        0
        malloc-128    128      12      50          17       0     126       7936        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       7      23        1171       0     254       7680        0
       mbuf_packet    256       0      30          93       0     254       7680        0
        malloc-384    384       1      19         349       0      30       7680        0
        malloc-256    256      17      13         276       0      62       7680        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-4096   4096       1       0           1       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       4       4           4       0      30       4096        0
        malloc-512    512       0       8           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
             KNOTE    160       0      25           8       0      62       4000        0
         malloc-16     16      12     238          15       0     254       4000        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1280       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 tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb    832       0       0           0       0      16          0        0
      tcp_rack_map    112       0       0           0       0     126          0        0
     udplite_inpcb    496       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           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
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       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
db> 

Crashes (50):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/07/11 07:57 freebsd-src 58080fbca09f 8f5a7b8c console log report syz C panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/08/05 12:14 freebsd-src f3a3b0612169 7f7bb950 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/08/03 10:45 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/08/02 06:59 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/08/01 20:19 freebsd-src 60fb9e10c74c 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/08/01 03:35 freebsd-src ff01d6343f1f 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/31 04:26 freebsd-src 0943200b1308 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/31 04:06 freebsd-src 0943200b1308 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/31 01:25 freebsd-src 0943200b1308 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/30 01:24 freebsd-src cbf6f55e77a9 8a799410 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/28 04:14 freebsd-src b9d984e2c5dc 17d6ab15 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/27 13:23 freebsd-src 4783fb730fa1 fd511809 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/27 12:43 freebsd-src 4783fb730fa1 fd511809 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/26 19:59 freebsd-src ccc510b46340 fd511809 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/25 06:17 freebsd-src 40cb9b435782 4d1b57d4 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/24 17:09 freebsd-src 47aeda7b7055 4d1b57d4 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/23 12:24 freebsd-src 95f0da5be1e3 bc5f1d88 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/21 12:15 freebsd-src d0c737e18454 e6a17580 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/21 00:56 freebsd-src 75cb2382b84d e6a17580 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/19 16:01 freebsd-src db0f26439357 e6a17580 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/18 17:37 freebsd-src 51e46835e10a f115ae98 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/15 21:45 freebsd-src 65788dae3117 a44e4957 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/12 04:06 freebsd-src 9c1c02093b90 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/12 02:53 freebsd-src 9c1c02093b90 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/11 09:55 freebsd-src 58080fbca09f 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/11 05:04 freebsd-src 58080fbca09f 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-main 2021/07/11 00:05 freebsd-src 58080fbca09f 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/08/05 14:49 freebsd-src f3a3b0612169 7f7bb950 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/08/03 11:47 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/08/02 12:37 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/08/02 08:16 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/08/01 04:56 freebsd-src ff01d6343f1f 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/31 04:10 freebsd-src 0943200b1308 6c236867 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/30 16:23 freebsd-src 9d3b47abbba7 c585c7b0 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/25 21:37 freebsd-src feac06569a38 4d1b57d4 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/25 06:11 freebsd-src 40cb9b435782 4d1b57d4 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/24 17:19 freebsd-src 47aeda7b7055 4d1b57d4 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/23 13:00 freebsd-src 95f0da5be1e3 bc5f1d88 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/21 02:36 freebsd-src 75cb2382b84d e6a17580 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/15 23:37 freebsd-src 65788dae3117 a44e4957 console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/12 03:59 freebsd-src 9c1c02093b90 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/12 02:57 freebsd-src 9c1c02093b90 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/11 10:09 freebsd-src f52783fcf5cc 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/11 06:38 freebsd-src f52783fcf5cc 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
ci-freebsd-i386 2021/07/11 06:22 freebsd-src f52783fcf5cc 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in tcp_usr_bind
* Struck through repros no longer work on HEAD.