syzbot


panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)

Status: closed as dup on 2021/07/28 15:58
Reported-by: syzbot+243bc3eaf719fe2ab9b5@syzkaller.appspotmail.com
First crash: 1053d, last: 1050d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: ASan: Invalid access, 8-byte read in handleevents 34 1050d 1051d

Sample crash report:
panic: ASan: Invalid access, 8-byte read at 0xfffffe005760da80, UseAfterScope(f8)
cpuid = 1
time = 1625909635
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe005760d490
09:33:55 executing program 3:
setgroups(0x0, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
setsockopt$inet_int(r0, 0x0, 0x3, &(0x7f0000000000)=0x6, 0x4)
sendto$unix(r1, 0x0, 0x0, 0x0, 0x0, 0x0)

09:33:55 executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000080)={@in={{0x10, 0x2, 0x0, @remote={0xac, 0x14, 0x0}}}, 0x0, 0x0, 0x0, 0x311}, 0x98)

09:33:55 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
sendmsg$inet6_sctp(r0, &(0x7f00000001c0)={&(0x7f0000000200)=@in6={0x1c, 0x1c, 0x0, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0)
sendmsg$inet6_sctp(r0, &(0x7f0000001640)={&(0x7f00000000c0)=@in6={0x1c, 0x1c, 0x2, 0x0, @empty}, 0x1c, &(0x7f0000001480)=[{&(0x7f0000000240)='H', 0x1}], 0x1, &(0x7f0000001680)=[@init={0x14}, @authinfo={0x10}, @sndrcv={0x2c}, @sndrcv={0x2c}, @authinfo={0x10}, @sndrcv={0x2c}], 0xb8}, 0x0)

kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe005760d5f0
vpanic() at vpanic+0x2c5/frame 0xfffffe005760d6d0
panic() at panic+0xb5/frame 0xfffffe005760d790
__asan_load8_noabort() at __asan_load8_noabort+0x36f/frame 0xfffffe005760d850
handleevents() at handleevents+0x6b/frame 0xfffffe005760d8b0
hardclockintr() at hardclockintr+0x1fc/frame 0xfffffe005760d990
ipi_bitmap_handler() at ipi_bitmap_handler+0x191/frame 0xfffffe005760db30
Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe005760db30
--- interrupt, rip = 0xffffffff8214b4ba, rsp = 0xfffffe005760dc00, rbp = 0x7fffffffe480 ---
alltraps_pushregs_no_rax() at alltraps_pushregs_no_rax/frame 0x7fffffffe480
KDB: enter: panic
[ thread pid 2820 tid 103385 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f9c5a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xee15438160eb8f8a
rdx                        0x1
rbx                          0
rsp         0xfffffe005760d5d0
rbp         0xfffffe005760d5f0
rsi                          0
rdi         0xffffffff8179b3b9  vprintf+0x319
r8                         0x3
r9          0xfffffe005760d128
r10                          0
r11                0x800372038
r12         0xfffffe009b3d6ac0
r13         0xfffffe005760d601
r14         0xffffffff82c42700  .str.18
r15         0xffffffff82c42700  .str.18
rip         0xffffffff8178eddb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28f9c5a(%rip)
db> show proc
Process 2820 (syz-executor.1) at 0xfffffe009b2d4538:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 790 at 0xfffffe008f8b1000
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: /root/syz-executor.1
 reaper: 0xfffffe0053d51538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009b2ce3e0
   (map 0xfffffe009b2ce3e0)
   (map.pmap 0xfffffe009b2ce4a0)
   (pmap 0xfffffe009b2ce500)
 threads: 1
103385                   Run     CPU 1                       syz-executor.1
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2821   789   789     0  R                                   syz-executor.0
 2820   790   790     0  R       CPU 1                       syz-executor.1
 2819   804   804     0  RE                                  syz-executor.3
 2815   792   792     0  R       (threaded)                  syz-executor.2
102066                   RunQ                                syz-executor.2
103472                   S       connec  0xfffffe008fa99bf0  syz-executor.2
103478                   S       uwait   0xfffffe009b2bc480  syz-executor.2
 1931     1   789     0  S       uwait   0xfffffe009ade3b80  syz-executor.0
 1930     1   789     0  S       uwait   0xfffffe009ad3f700  syz-executor.0
 1791     1   792     0  S       uwait   0xfffffe009ade3c80  syz-executor.2
 1784     1   792     0  S       uwait   0xfffffe009259f280  syz-executor.2
 1781     1   792     0  S       uwait   0xfffffe0091fde780  syz-executor.2
 1780     1   792     0  S       uwait   0xfffffe009259f080  syz-executor.2
 1773     1   792     0  S       uwait   0xfffffe0091eea080  syz-executor.2
 1769     1   792     0  S       uwait   0xfffffe0091fdee00  syz-executor.2
 1757     1  1757    65  Ss      select  0xfffffe0091fdebc0  dhclient
 1744     1   792     0  S       uwait   0xfffffe009ade3880  syz-executor.2
 1742     1   792     0  S       uwait   0xfffffe009ac3f280  syz-executor.2
 1737     1   792     0  S       uwait   0xfffffe0092565e80  syz-executor.2
 1736     1   792     0  S       uwait   0xfffffe009ad3fd80  syz-executor.2
 1732     1   792     0  S       uwait   0xfffffe009ade3280  syz-executor.2
 1731     1   792     0  S       uwait   0xfffffe009ac3f180  syz-executor.2
 1728     1   792     0  S       uwait   0xfffffe0091fdec00  syz-executor.2
 1727     1   792     0  S       uwait   0xfffffe005834a180  syz-executor.2
 1726     1   792     0  S       uwait   0xfffffe009ac3fe80  syz-executor.2
 1725     1   792     0  S       uwait   0xfffffe009ac3f680  syz-executor.2
 1698     1   789     0  S       uwait   0xfffffe009ac3f000  syz-executor.0
 1697     1   789     0  S       uwait   0xfffffe0091fde380  syz-executor.0
 1692     1   789     0  S       uwait   0xfffffe0092565100  syz-executor.0
 1690     1   789     0  S       uwait   0xfffffe009259f380  syz-executor.0
 1687     1   789     0  S       uwait   0xfffffe0091fde880  syz-executor.0
 1683     1   789     0  S       uwait   0xfffffe009ac3f380  syz-executor.0
 1679     1   789     0  S       uwait   0xfffffe009ade3680  syz-executor.0
 1678     1   789     0  S       uwait   0xfffffe0092565f00  syz-executor.0
 1677     1   789     0  S       uwait   0xfffffe009ad3fc80  syz-executor.0
 1676     1   789     0  S       umtxn   0xfffffe0091fded80  syz-executor.0
 1581     1  1581     0  SVs     uwait   0xfffffe009ac3f880  syz-executor.2
 1576     1  1576     0  SVs     sigwait 0xfffffe009af00000  syz-executor.2
 1505     1  1505     0  Ss      select  0xfffffe009ad3f840  dhclient
 1500     1  1500     0  Ss      select  0xfffffe0091eea9c0  dhclient
 1481     1  1481    65  Ss      select  0xfffffe009ade3ac0  dhclient
 1338     1  1338     0  Ss      select  0xfffffe009ade3b40  dhclient
 1335     1  1335     0  Ss      select  0xfffffe009ade3dc0  dhclient
 1308     1  1308    65  Ss      select  0xfffffe009ade3ec0  dhclient
 1110     1  1110     0  Ss      select  0xfffffe009ade3d40  dhclient
 1107     1  1107     0  Ss      select  0xfffffe0092565940  dhclient
 1082     1  1082    65  Ss      select  0xfffffe0092565cc0  dhclient
 1027     0     0     0  DL      aiordy  0xfffffe009ad89538  [aiod4]
 1026     0     0     0  DL      aiordy  0xfffffe009ad89a70  [aiod3]
 1025     0     0     0  DL      aiordy  0xfffffe009ac93538  [aiod2]
 1024     0     0     0  DL      aiordy  0xfffffe009ad45538  [aiod1]
  828     1   828     0  Ss      select  0xfffffe009259ff40  dhclient
  822     1   822     0  Ss      select  0xfffffe0092565c40  dhclient
  804   780   804     0  Rs                                  syz-executor.3
  792   780   792     0  Rs                                  syz-executor.2
  790   780   790     0  Ss      nanslp  0xffffffff84055901  syz-executor.1
  789   780   789     0  Ss      nanslp  0xffffffff84055901  syz-executor.0
  780   778   778     0  S       (threaded)                  syz-fuzzer
100121                   S       kqread  0xfffffe008f8b4000  syz-fuzzer
100122                   S       uwait   0xfffffe0091eeac00  syz-fuzzer
100123                   S       uwait   0xfffffe0091ef6900  syz-fuzzer
100124                   S       uwait   0xfffffe0091ef6000  syz-fuzzer
100125                   S       uwait   0xfffffe0091ef6100  syz-fuzzer
100126                   S       uwait   0xfffffe0091ef6200  syz-fuzzer
100127                   S       uwait   0xfffffe00585d5d00  syz-fuzzer
100128                   S       uwait   0xfffffe0091fde480  syz-fuzzer
100129                   S       uwait   0xfffffe00585d5e00  syz-fuzzer
100130                   S       uwait   0xfffffe00585d5f00  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe008f88b0b0  csh
  776   694   776     0  Ss      select  0xfffffe0091fdeac0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583e90b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583e94b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583e98b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583e9cb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583910b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583914b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583918b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058391cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84055900  cron
  694     1   694     0  Ss      select  0xfffffe0091fdea40  sshd
  507     1   507     0  Ss      select  0xfffffe0091fdeec0  syslogd
  436     1   436     0  Ss      select  0xfffffe0091eeaac0  devd
  435     1   435    65  Ss      select  0xfffffe0091eeab40  dhclient
  350     1   350     0  Ss      select  0xfffffe0091ef68c0  dhclient
  347     1   347     0  Ss      select  0xfffffe0091eead40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe005879fa70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffffe008f8bece8  [/ 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  0xffffffff81e7e5e0  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84bad460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84d76d30  [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       -       0xffffffff82c49680  [deadlkres]
100076                   D       -       0xfffffe0058390e00  [acpi_task_0]
100077                   D       -       0xfffffe0058390e00  [acpi_task_1]
100078                   D       -       0xfffffe0058390e00  [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         4244
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          326         1304K          486
            newblk            9         1026K         6386
          vfscache            3         1025K            3
          filedesc           78          618K         3813
               pcb           99          616K         5125
          inodedep           52          532K         2147
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          212          432K         2942
            acpica         1674          184K        54806
         vnet_data            1          168K            1
              vmem            3          146K            5
           tidhash            3          141K            3
            linker          357          140K          397
           pagedep            9          130K         1928
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
               BPF           46           88K           46
               bus          986           80K         3469
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
              umtx          440           55K          440
           kdtrace          288           54K         6307
         sctp_stro           35           35K          969
              temp           36           35K         2545
         hostcache            1           32K            1
               shm            1           32K            5
            DEVFS3          126           32K          136
               msg            4           30K            4
         sctp_atcl           70           27K         3395
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
          routetbl          136           19K          534
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
           lltable           45           14K          173
            bus-sc           33           14K         1684
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
      eventhandler          133           12K          133
            dirrem           43           11K         1952
           pf_rule            6           11K           62
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
         in6_multi           65            9K           65
            kqueue           99            9K         2840
         bmsafemap            2            9K         2098
              UART           12            9K           12
           devstat            4            9K            4
         sctp_timw           32            8K           32
              ksem            1            8K           16
               rpc            2            8K            2
             shmfd            1            8K           25
              cred           32            8K          296
       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
            plimit           24            6K          508
           pwddesc           96            6K         2822
          freefile           43            6K         1936
            DEVFSP           80            5K          352
          pf_ifnet           13            5K           49
       ufs_dirhash           24            5K           24
           session           37            5K           52
         sctp_atky          105            5K         4552
               UMA          270            5K          270
                vt           11            5K           11
          pf_table            2            4K           30
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
             selfd           55            4K        58019
             lockf           32            4K           87
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
         proc-args           52            3K          671
          terminal           11            3K           11
            select           19            3K           85
           uidinfo            4            3K           19
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
          sctp_ifa           13            2K           14
            Unitno           27            2K           47
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
         sctp_athm           70            2K         3503
          sctp_map           70            2K         1938
               tun            7            2K            7
          freework            5            2K         2838
           softdep            1            1K            1
             mkdir            8            1K         3726
          freeblks            4            1K         1974
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          250
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             xform            2            1K          446
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            soname            5            1K         6186
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          filecaps            5            1K          102
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            statfs            0            0K         2054
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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
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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     988     1413171       0     254   38125568        0
           tcp_log    416       0    8424       73114       0     254    3504384        0
              mbuf    256    8911     659     2561576       0     254    2449920        0
        RADIX NODE    144   15778     905      129203       0      62    2402352        0
              pbuf   2624       0     762           0       0       2    1999488        0
          BUF TRIE    144     356   11404        4937       0      62    1693440        0
        malloc-384    384    4253      27        4386       0      30    1643520        0
        malloc-128    128   11317      29       11565       0     126    1452288        0
       malloc-4096   4096     327       4         582       0       2    1355776        0
      mbuf_cluster   2048     585       1         585       0     254    1200128        0
       UMA Slabs 0    112   10667      22       10667       0     126    1197168        0
         vmem btag     56   17745      86       17745       0     254     998536        0
       tcp_bbr_map    128       0    6448      128654       0     126     825344        0
      malloc-16384  16384      39       4        1905       0       1     704512        0
         FFS inode   1160     531      29        2468       0       8     649600        0
    ertt_txseginfo     40       1   13937      315334       0     254     557520        0
       malloc-4096   4096     120       5        3377       0       2     512000        0
         VM OBJECT    264    1671     144       43283       0      30     479160        0
        256 Bucket   2048     223       7       17791       0       8     471040        0
            THREAD   1808     190      30        3484       0       8     397760        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
         MAP ENTRY     96    3254     274      160160       0     126     338688        0
         malloc-64     64    4193     406       62518       0     254     294336        0
             VNODE    448     570      69        2509       0      30     286272        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-16     16   14101     399       17256       0     254     232000        0
        malloc-256    256     175     725       13529       0      62     230400        0
            DEVCTL   1024       0     220         153       0       0     225280        0
           VMSPACE   2544      69      12        2794       0       4     206064        0
      malloc-65536  65536       0       3         398       0       1     196608        0
      malloc-32768  32768       0       6         549       0       1     196608        0
         UMA Zones    768     242       2         242       0      16     187392        0
         malloc-32     32    5364     180        5634       0     254     177408        0
         sctp_asoc   2288      35      40         969       0     254     171600        0
        malloc-128    128    1266      67       31185       0     126     170624        0
       malloc-2048   2048      37      45        2288       0       8     167936        0
        malloc-128    128    1220      51        6160       0     126     162688        0
           sctp_ep   1280      35      88        2284       0     254     157440        0
              PROC   1336      96      18        2821       0       8     152304        0
       mbuf_packet    256      44     541        9036       0     254     149760        0
            socket    944      44     112        5278       0     254     147264        0
       FFS2 dinode    256     531      39        2468       0      62     145920        0
       S VFS Cache    104    1026     300        3031       0     126     137904        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
        128 Bucket   1024     105      22        1982       0      16     130048        0
         filedesc0   1072      97      22        2822       0       8     127568        0
            clpbuf   2624       0      48         528       0      16     125952        0
       malloc-1024   1024     110       6         127       0      16     118784        0
          ksiginfo    112      96     948        3328       0     126     116928        0
        malloc-256    256     203     232        7955       0      62     111360        0
       malloc-2048   2048       7      45        8009       0       8     106496        0
      malloc-16384  16384       4       2         179       0       1      98304        0
       malloc-2048   2048       4      40         511       0       8      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
       malloc-1024   1024      43      41        1487       0      16      86016        0
       malloc-8192   8192       5       5         135       0       1      81920        0
        sctp_raddr    736      35      75        1146       0     254      80960        0
        malloc-128    128     346     243        2396       0     126      75392        0
       malloc-8192   8192       5       4          18       0       1      73728        0
        malloc-384    384      51     139        2152       0      30      72960        0
             g_bio    408       0     170       24825       0      30      69360        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
         64 Bucket    512      88      40        5267       0      30      65536        0
        malloc-384    384      70      90        3407       0      30      61440        0
       malloc-4096   4096      12       1          23       0       2      53248        0
             tcpcb   1080       6      43         681       0     254      52920        0
        malloc-256    256     152      43         311       0      62      49920        0
         32 Bucket    256      68     127       11604       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
        malloc-256    256      84      96        2687       0      62      46080        0
         malloc-64     64     612      81       20077       0     254      44352        0
        malloc-256    256     114      51        1154       0      62      42240        0
           DIRHASH   1024      34       6          34       0      16      40960        0
            pcpu-8      8    4809     311        6061       0     254      40960        0
             NAMEI   1024       0      36       23122       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
         malloc-64     64     478      89         690       0     254      36288        0
             Files     80     236     214       14723       0     126      36000        0
        malloc-384    384      79      11         197       0      30      34560        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
     udplite_inpcb    496       0      64         628       0     254      31744        0
         TURNSTILE    136     221      10         221       0      62      31416        0
              pipe    744      23      17         460       0      16      29760        0
       malloc-4096   4096       3       4        2058       0       2      28672        0
       malloc-2048   2048      11       3         222       0       8      28672        0
       malloc-1024   1024      13      15        1466       0      16      28672        0
             KNOTE    160      28     147      122040       0      62      28000        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-2048   2048      12       0         203       0       8      24576        0
         malloc-64     64     279      99        5793       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
          8 Bucket     80      57     243        1939       0     126      24000        0
         tcp_inpcb    496       6      42         681       0     254      23808        0
           ttyoutq    256      72      18         160       0      62      23040        0
        SLEEPQUEUE     88     221      35         221       0     126      22528        0
       tcp_bbr_pcb    832       0      27         343       0      16      22464        0
       malloc-4096   4096       2       3           5       0       2      20480        0
       malloc-2048   2048       2       8         199       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
               PWD     32      32     598        1961       0     254      20160        0
        malloc-128    128      89      66        1998       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      36      14          36       0      30      19200        0
        malloc-256    256      43      32         341       0      62      19200        0
        malloc-256    256      29      46        2054       0      62      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2          85       0       2      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-64     64     158      94         175       0     254      16128        0
         malloc-64     64      56     196        2588       0     254      16128        0
         malloc-32     32     326     178        8888       0     254      16128        0
         malloc-32     32      96     408        3891       0     254      16128        0
      vtnet_tx_hdr     24       0     668      842740       0     254      16032        0
         udp_inpcb    496       6      26         235       0     254      15872        0
        malloc-128    128       7     117         383       0     126      15872        0
        sctp_chunk    152      18      86         432       0     254      15808        0
             unpcb    256      22      38        1327       0     254      15360        0
        malloc-384    384      35       5          37       0      30      15360        0
      tcp_rack_pcb    832       1      17         158       0      16      14976        0
       malloc-2048   2048       4       2          32       0       8      12288        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512      10      14         204       0      30      12288        0
        malloc-512    512       0      24         232       0      30      12288        0
sctp_stream_msg_out    112      27      81         232       0     254      12096        0
      tcp_rack_map    112       3     105         325       0     126      12096        0
         malloc-32     32     160     218         273       0     254      12096        0
         16 Bucket    144      61      23         547       0      62      12096        0
         malloc-16     16     346     404         594       0     254      12000        0
           cryptop    280       0      42          16       0      30      11760        0
              kenv    258      15      30        1038       0      30      11610        0
     routing nhops    256      27      18          34       0      62      11520        0
        malloc-256    256      34      11        1269       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-1024   1024       2       6          14       0      16       8192        0
       malloc-1024   1024       1       7          51       0      16       8192        0
        malloc-512    512       3      13         251       0      30       8192        0
        malloc-512    512       4      12           4       0      30       8192        0
        malloc-512    512      12       4          12       0      30       8192        0
           pf tags    104       0      78          30       0     126       8112        0
           rtentry    176      30      16          34       0      62       8096        0
              PGRP     88      37      55          54       0     126       8096        0
          rl_entry     40      85     117          98       0     254       8080        0
        sctp_laddr     48      32     136        1012       0     254       8064        0
             udpcb     32       6     246         863       0     254       8064        0
              ertt     72       6     106         681       0     126       8064        0
         malloc-64     64      15     111         118       0     254       8064        0
         malloc-64     64      87      39         359       0     254       8064        0
         malloc-32     32     134     118         189       0     254       8064        0
         malloc-32     32      21     231          54       0     254       8064        0
         malloc-32     32      38     214         877       0     254       8064        0
          4 Bucket     48       7     161          99       0     254       8064        0
          2 Bucket     32      59     193         910       0     254       8064        0
         malloc-16     16       8     492         688       0     254       8000        0
         malloc-16     16      16     484          21       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      30     470       27246       0     254       8000        0
         malloc-16     16      78     422        3614       0     254       8000        0
             ripcb    496       5      11          76       0     254       7936        0
        malloc-128    128      25      37         126       0     126       7936        0
        malloc-128    128      13      49         191       0     126       7936        0
      tcp_log_node    120       0      66           4       0     126       7920        0
        sctp_readq    152       0      52         120       0     254       7904        0
               AIO    208       0      38           6       0      62       7904        0
            itimer    352       0      22           9       0      30       7744        0
             AIOCB    552       0      14           9       0      16       7728        0
        malloc-384    384       1      19         349       0      30       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       0       1           2       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           1       0      62       4048        0
   sctp_asconf_ack     48       0      84          11       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
              AIOP     32       4     122           4       0     254       4032        0
      ktls_session    192       2      19           2       0      62       4032        0
       UMA Slabs 1    176       9      13           9       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     40       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    304       0       0           0       0     254          0        0
          pf mtags     48       0       0           0       0     254          0        0
          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
            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
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    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-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-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (199):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/10 09:31 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 18:16 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 17:12 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 15:05 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 12:09 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 10:59 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 09:00 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 06:31 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 05:25 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 04:19 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 01:48 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 16:55 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 15:37 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 14:36 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 09:12 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 06:13 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 04:58 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 03:28 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 01:03 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 21:26 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 21:25 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 20:38 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 20:13 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 07:32 freebsd-src da2f833f7a0b 4846d5c1 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 19:22 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 15:58 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 13:51 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 10:25 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 07:49 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 03:44 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/09 00:47 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 23:01 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 22:52 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 21:46 freebsd-src e88c3b1b02a6 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 20:30 freebsd-src e88c3b1b02a6 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 19:27 freebsd-src e88c3b1b02a6 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 18:03 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 13:33 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 10:39 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 09:19 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 07:59 freebsd-src 48b4fe050328 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/08 02:33 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 23:25 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 22:21 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 21:57 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 21:49 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 20:51 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
2021/07/07 20:02 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)
* Struck through repros no longer work on HEAD.