syzbot


panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)

Status: closed as dup on 2021/07/28 15:50
Reported-by: syzbot+72fbf64ada542fbb8713@syzkaller.appspotmail.com
First crash: 1053d, last: 1051d
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 0xfffffe00a5692a60, StackLeft(f1)
cpuid = 0
time = 1625826115
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a5692470
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a56925d0
vpanic() at vpanic+0x2c5/frame 0xfffffe00a56926b0
panic() at panic+0xb5/frame 0xfffffe00a5692770
__asan_load8_noabort() at __asan_load8_noabort+0x36f/frame 0xfffffe00a5692830
handleevents() at handleevents+0x6b/frame 0xfffffe00a5692890
hardclockintr() at hardclockintr+0x1fc/frame 0xfffffe00a5692970
ipi_bitmap_handler() at ipi_bitmap_handler+0x191/frame 0xfffffe00a5692b20
Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe00a5692b20
--- interrupt, rip = 0xffffffff821a64b0, rsp = 0xfffffe00a5692bf8, rbp = 0x7fffffffe480 ---
trap_check() at trap_check/frame 0x7fffffffe480
KDB: enter: panic
[ thread pid 8424 tid 104981 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f9d2a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0x7e6ab75e9e62c27f
rdx                        0x1
rbx                          0
rsp         0xfffffe00a56925b0
rbp         0xfffffe00a56925d0
rsi                          0
rdi         0xffffffff8179b2e9  vprintf+0x319
r8                         0x3
r9          0xfffffe00a5692108
r10                          0
r11                0x800372038
r12         0xfffffe00a484de40
r13         0xfffffe00a5692601
r14         0xffffffff82c416a0  .str.18
r15         0xffffffff82c416a0  .str.18
rip         0xffffffff8178ed0b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28f9d2a(%rip)
db> show proc
Process 8424 (syz-executor.3) at 0xfffffe00a7b4e000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 785 at 0xfffffe009bcfe538
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: /root/syz-executor.3
 reaper: 0xfffffe0053d51538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00a482f000
   (map 0xfffffe00a482f000)
   (map.pmap 0xfffffe00a482f0c0)
   (pmap 0xfffffe00a482f120)
 threads: 1
104981                   Run     CPU 0                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 8424   785   785     0  R       CPU 0                       syz-executor.3
 8423   787   787     0  R       (threaded)                  syz-executor.1
107886                   RunQ                                syz-executor.1
112265                   RunQ                                syz-executor.1
 8422   783   783     0  RE                                  syz-executor.0
 8417   784   784     0  S       (threaded)                  syz-executor.2
110988                   S       nanslp  0xffffffff84055901  syz-executor.2
112257                   S       connec  0xfffffe00a7deb0e0  syz-executor.2
112260                   S       uwait   0xfffffe009e35b180  syz-executor.2
112261                   S       uwait   0xfffffe009e462e80  syz-executor.2
 4133     1   783     0  S       uwait   0xfffffe009e994280  syz-executor.0
 4130     1   783     0  S       uwait   0xfffffe009e35b380  syz-executor.0
 4127     1   783     0  S       uwait   0xfffffe00a4821400  syz-executor.0
 4124     1   783     0  S       uwait   0xfffffe00a4852080  syz-executor.0
 4121     1   783     0  S       uwait   0xfffffe00a7220e00  syz-executor.0
 4118     1   783     0  S       uwait   0xfffffe00a4805d00  syz-executor.0
 4115     1   783     0  S       uwait   0xfffffe00a7332c00  syz-executor.0
 4109     1   783     0  S       uwait   0xfffffe009e35b100  syz-executor.0
 4106     1   783     0  S       uwait   0xfffffe009e462a80  syz-executor.0
 4103     1   783     0  S       uwait   0xfffffe00a4805b00  syz-executor.0
 4100     1   783     0  S       umtxn   0xfffffe00a7220f00  syz-executor.0
 4097     1   783     0  S       uwait   0xfffffe00a4852380  syz-executor.0
 4091     1   783     0  S       uwait   0xfffffe009e462880  syz-executor.0
 4089     1   783     0  S       uwait   0xfffffe00a7220a00  syz-executor.0
 3257     1   787     0  S       uwait   0xfffffe009e35b200  syz-executor.1
 3242     1   787     0  S       uwait   0xfffffe009e994780  syz-executor.1
 3237     1   785     0  S       uwait   0xfffffe00a7282f00  syz-executor.3
 3230     1   787     0  S       uwait   0xfffffe009e462900  syz-executor.1
 3227     1   783     0  S       uwait   0xfffffe009e35bc80  syz-executor.0
 3224     1   784     0  S       uwait   0xfffffe00a4852d00  syz-executor.2
 3223     1   785     0  S       uwait   0xfffffe00a4805c00  syz-executor.3
 3218     1   787     0  S       uwait   0xfffffe00a4805f00  syz-executor.1
 3213     1   783     0  S       uwait   0xfffffe00a4805800  syz-executor.0
 3209     1   784     0  S       uwait   0xfffffe009e35b780  syz-executor.2
 3207     1   787     0  S       uwait   0xfffffe00a4828680  syz-executor.1
 3203     1   785     0  S       uwait   0xfffffe00a4805a00  syz-executor.3
 3202     1   783     0  S       uwait   0xfffffe00a7220c00  syz-executor.0
 3201     1   784     0  S       uwait   0xfffffe00a4805700  syz-executor.2
 3197     1   787     0  S       uwait   0xfffffe00a7220b00  syz-executor.1
 3186     1   787     0  S       uwait   0xfffffe00a4852c00  syz-executor.1
 3183     1   787     0  S       uwait   0xfffffe009e994a80  syz-executor.1
 2408     1  2408    65  Ss      select  0xfffffe00a73329c0  dhclient
 1924     1  1924     0  Ss      select  0xfffffe00a48285c0  dhclient
 1921     1  1921     0  Ss      select  0xfffffe00a7282640  dhclient
 1902     1  1902    65  Ss      select  0xfffffe00a7282740  dhclient
 1691     0     0     0  DL      aiordy  0xfffffe00a7259000  [aiod4]
 1690     0     0     0  DL      aiordy  0xfffffe00a7259538  [aiod3]
 1688     0     0     0  DL      aiordy  0xfffffe00a7272a70  [aiod2]
 1687     0     0     0  DL      aiordy  0xfffffe00a7259a70  [aiod1]
 1516     1  1516     0  Ss      select  0xfffffe009e462a40  dhclient
 1513     1  1513     0  Ss      select  0xfffffe009e994740  dhclient
 1488     1  1488    65  Ss      select  0xfffffe009e35b2c0  dhclient
 1244     1  1244     0  Ss      select  0xfffffe009e462f40  dhclient
 1241     1  1241     0  Ss      select  0xfffffe009e994840  dhclient
 1222     1  1222    65  Ss      select  0xfffffe00a4821240  dhclient
 1112     1   783     0  SV      uwait   0xfffffe009e35b880  syz-executor.0
 1103     1   784     0  SV      uwait   0xfffffe009e994080  syz-executor.2
 1097     1   783     0  SV      uwait   0xfffffe00a4828080  syz-executor.0
 1096     1   787     0  SV      uwait   0xfffffe00a4852a00  syz-executor.1
 1095     1   784     0  SV      uwait   0xfffffe00a4828e00  syz-executor.2
 1085     1   787     0  SV      uwait   0xfffffe00a4828f00  syz-executor.1
 1084     1   784     0  SV      uwait   0xfffffe00a4805900  syz-executor.2
 1083     1   783     0  SV      uwait   0xfffffe00a4852e00  syz-executor.0
 1078     1   787     0  SV      uwait   0xfffffe009e462b00  syz-executor.1
 1069     1   787     0  SV      uwait   0xfffffe00a4805600  syz-executor.1
 1065     1   787     0  SV      uwait   0xfffffe00a4828d00  syz-executor.1
  974     1   974     0  Ss      select  0xfffffe00a4821340  dhclient
  971     1   971     0  Ss      select  0xfffffe00a48211c0  dhclient
  787   780   787     0  Ss      nanslp  0xffffffff84055901  syz-executor.1
  785   780   785     0  Ss      nanslp  0xffffffff84055900  syz-executor.3
  784   780   784     0  Ss      nanslp  0xffffffff84055901  syz-executor.2
  783   780   783     0  Rs                                  syz-executor.0
  780   778   778     0  S       (threaded)                  syz-fuzzer
100104                   S       uwait   0xfffffe00573d9400  syz-fuzzer
100119                   S       uwait   0xfffffe005834c080  syz-fuzzer
100120                   S       kqread  0xfffffe009e3af700  syz-fuzzer
100121                   S       uwait   0xfffffe005834c280  syz-fuzzer
100122                   S       uwait   0xfffffe009e994c80  syz-fuzzer
100123                   S       uwait   0xfffffe009e994d80  syz-fuzzer
100124                   S       uwait   0xfffffe009e994e80  syz-fuzzer
100125                   S       uwait   0xfffffe005874e000  syz-fuzzer
100343                   S       uwait   0xfffffe00a4828380  syz-fuzzer
104997                   S       uwait   0xfffffe00a4852480  syz-fuzzer
104998                   S       uwait   0xfffffe00a4828480  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe009e34db20  csh
  776   694   776     0  Ss      select  0xfffffe009e462bc0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ed0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ed4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ed8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583edcb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583950b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583954b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583958b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058395cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84055901  cron
  694     1   694     0  Ss      select  0xfffffe009bd121c0  sshd
  507     1   507     0  Ss      select  0xfffffe009e35b5c0  syslogd
  436     1   436     0  Ss      select  0xfffffe009e35b540  devd
  435     1   435    65  Ss      select  0xfffffe009e35b340  dhclient
  350     1   350     0  Ss      select  0xfffffe009e35b4c0  dhclient
  347     1   347     0  Ss      select  0xfffffe005874e1c0  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0058747a70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   D       sdflush 0xfffffe009bd20ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b1c80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a57b8  [dom0]
100087                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100088                   D       umarcl  0xffffffff81e7e510  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84a1c3c0  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84743d30  [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       -       0xfffffe000791a500  [thread taskq]
100013                   D       -       0xfffffe000791a400  [inm_free taskq]
100015                   D       -       0xfffffe000791a200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe000791a100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe000791a000  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053df6a00  [firmware taskq]
100040                   D       -       0xfffffe0053df6900  [crypto_0]
100041                   D       -       0xfffffe0053df6900  [crypto_1]
100057                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100059                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056fc0380  [virtio_balloon]
100066                   D       -       0xfffffe0053df6300  [mca taskq]
100071                   D       -       0xffffffff82c48621  [deadlkres]
100076                   D       -       0xfffffe0058394e00  [acpi_task_0]
100077                   D       -       0xfffffe0058394e00  [acpi_task_1]
100078                   D       -       0xfffffe0058394e00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
Process 8422 (syz-executor.0) thread 0xfffffe00a721be40 (104986)
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe000775b1c0) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8233
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe00a7641120) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8153
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          137         1058K        13851
          vfscache            3         1025K            3
               pcb          363          913K        19888
          filedesc          100          794K        14671
          inodedep           37          526K         7997
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
           subproc          236          484K         8564
              intr            4          472K            4
              vmem            3          274K            5
            acpica         1674          184K        54806
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          357          140K          525
           pagedep            9          130K         7430
        tfo_ccache            1          128K            1
         sctp_stro          108          108K         4116
            DEVFS1          107          107K          124
               sem            4          106K            4
         sctp_atcl          275          104K        13865
               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          484           61K          484
           kdtrace          317           59K        20691
              temp           36           35K         3369
         hostcache            1           32K            1
               shm            1           32K           25
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
          routetbl          139           19K          528
          freework           74           19K         9317
         sctp_atky          396           18K        18647
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
           lltable           47           15K          337
            bus-sc           33           14K         1684
            KTRACE          100           13K         1236
             ifnet            7           13K            7
       ether_multi          152           13K          178
              ksem           31           12K           72
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
              cred           37           10K          510
            kqueue          111           10K         8502
         in6_multi           65            9K           65
         bmsafemap            2            9K         7930
            DEVFSP          129            9K         1120
              UART           12            9K           12
           devstat            4            9K            4
         sctp_timw           32            8K           32
               rpc            2            8K            2
             shmfd            1            8K           60
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
           pwddesc          108            7K         8436
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          675
            dirrem           22            6K         7673
          pf_ifnet           15            6K          202
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
           session           35            5K           75
         sctp_athm          275            5K        14291
                vt           11            5K           11
          pf_table            2            4K           27
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
             lockf           33            4K          158
           acpisem           28            4K           28
             selfd           55            4K       110571
          sctp_map          216            4K         8140
             hhook           15            4K           17
          freefile           26            4K         7567
          freeblks           13            4K         7604
             xform           51            4K         1861
       fpukern_ctx            3            3K            3
         proc-args           52            3K          763
          terminal           11            3K           11
            select           19            3K          436
           uidinfo            4            3K           75
           pf_osfp           18            3K           18
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
            Unitno           31            2K           61
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K           16
          indirdep            5            2K         1941
       ipsecpolicy            2            2K            2
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1113      305487       0     254   38637568        0
           tcp_log    416       0   14166      317781       0     254    5893056        0
              mbuf    256    8972    3553     2113815       0     254    3206400        0
              pbuf   2624       0     941           0       0       2    2469184        0
        RADIX NODE    144   10180    1911      246973       0      63    1741104        0
          BUF TRIE    144     356   11404       15441       0      62    1693440        0
        malloc-384    384    4267      53        4569       0      30    1658880        0
      mbuf_cluster   2048     750       0         750       0     254    1536000        0
        malloc-128    128   11357      82       11804       0     126    1464192        0
       malloc-4096   4096     327       3         810       0       2    1351680        0
       UMA Slabs 0    112   11091      30       11091       0     126    1245552        0
         vmem btag     56   19846      73       19846       0     254    1115464        0
      malloc-16384  16384      50       5        7334       0       1     901120        0
       tcp_bbr_map    128     747    5577      307374       0     127     809472        0
    ertt_txseginfo     40    2603   17092      910098       0     254     787800        0
        256 Bucket   2048     310      24       20043       0       8     684032        0
         FFS inode   1160     560      28        8128       0       8     682080        0
        malloc-256    256     365    1960       39036       0      62     595200        0
       malloc-4096   4096     132       5        8980       0       2     561152        0
         VM OBJECT    264    1947      78      125089       0      30     534600        0
         sctp_asoc   2288     108      97        4070       0     254     469040        0
       malloc-2048   2048     169      53        9206       0       8     454656        0
            THREAD   1808     207      35       12265       0       8     437536        0
         MAP ENTRY     96    3959     325      491889       0     126     411264        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
           sctp_ep   1280     167     106        9202       0     254     349440        0
             VNODE    448     599      94        8169       0      30     310464        0
         malloc-64     64    4195     467      115158       0     254     298368        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-32768  32768       0       8         214       0       1     262144        0
            socket    944     136     116       15994       0     254     237888        0
         malloc-16     16   14247     253       27127       0     254     232000        0
           VMSPACE   2544      81       9        8383       0       4     228960        0
            DEVCTL   1024       0     220         153       0       0     225280        0
       malloc-2048   2048       7      97       27944       0       8     212992        0
      malloc-65536  65536       1       2          88       0       1     196608        0
      malloc-32768  32768       0       6        1578       0       1     196608        0
       malloc-1024   1024     116      76        4693       0      16     196608        0
       mbuf_packet    256     152     598       35175       0     254     192000        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-128    128    1264     131       17611       0     126     178560        0
         malloc-32     32    5364      54        6057       0     254     173376        0
        malloc-128    128    1264      69       37537       0     126     170624        0
              PROC   1336     108      18        8424       0       8     168336        0
            clpbuf   2624       0      64        3246       0      16     167936        0
        sctp_raddr    736     108     112        4717       0     254     161920        0
        malloc-384    384     275     145       13896       0      30     161280        0
             g_bio    408       0     380       97480       0      32     155040        0
       FFS2 dinode    256     560      40        8128       0      62     153600        0
       S VFS Cache    104    1085     319        8953       0     126     146016        0
         filedesc0   1072     108      18        8436       0       8     135072        0
        malloc-256    256     220     305       27521       0      62     134400        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         692       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          27       0       1     131072        0
          ksiginfo    112     111     933        1433       0     126     116928        0
       malloc-1024   1024     110       2         127       0      16     114688        0
         tcp_inpcb    496      16     200        1966       0     254     107136        0
        128 Bucket   1024      74      29        2378       0      16     105472        0
      malloc-16384  16384       4       2         179       0       1      98304        0
        malloc-384    384      36     214        8039       0      30      96000        0
        malloc-128    128     330     383        8042       0     126      91264        0
             tcpcb   1080      16      68        1966       0     254      90720        0
          UMA Kegs    384     227       6         227       0      30      89472        0
       malloc-8192   8192       5       5         142       0       1      81920        0
         64 Bucket    512     109      51        8552       0      30      81920        0
        malloc-256    256     226      89        9916       0      62      80640        0
        sctp_chunk    152      83     437        3438       0     254      79040        0
             Files     80     441     459       34609       0     126      72000        0
      malloc-32768  32768       2       0           2       0       1      65536        0
         32 Bucket    256      67     143       12421       0      62      53760        0
       malloc-4096   4096      12       1          23       0       2      53248        0
        malloc-256    256     159      36         741       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-2048   2048       4      20         511       0       8      49152        0
         malloc-64     64     621     135       28577       0     254      48384        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4801     319        9435       0     254      40960        0
        malloc-256    256     114      36        1380       0      62      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       49758       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
               PWD     32      59    1075        7380       0     254      36288        0
         malloc-64     64     478      89         690       0     254      36288        0
        malloc-384    384      79      11         189       0      30      34560        0
         TURNSTILE    136     243       9         243       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       3       5        7539       0       2      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
     udplite_inpcb    496      11      53        2409       0     254      31744        0
       tcp_bbr_pcb    832       1      35         886       0      16      29952        0
      tcp_rack_pcb    832       0      36         456       0      16      29952        0
              pipe    744      23      17         686       0      16      29760        0
       malloc-4096   4096       2       5          38       0       2      28672        0
       malloc-2048   2048       2      12         679       0       8      28672        0
       malloc-2048   2048       6       8         457       0       8      28672        0
       malloc-2048   2048      12       2         208       0       8      28672        0
       malloc-1024   1024      13      15        1614       0      16      28672        0
         malloc-64     64     303     138       17039       0     254      28224        0
         malloc-64     64     178     263        8267       0     254      28224        0
             KNOTE    160      28     147       75601       0      62      28000        0
          8 Bucket     80      64     286        4099       0     126      28000        0
       malloc-8192   8192       2       1           4       0       1      24576        0
         malloc-32     32     358     398       21858       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-256    256      43      47         510       0      62      23040        0
        SLEEPQUEUE     88     243      13         243       0     126      22528        0
       malloc-1024   1024      17       3          17       0      16      20480        0
         malloc-32     32     304     326       14187       0     254      20160        0
        malloc-128    128      90      65        7503       0     126      19840        0
        malloc-128    128       7     148         763       0     126      19840        0
            itimer    352       0      55         100       0      30      19360        0
       Mountpoints   2752       2       5           2       0       4      19264        0
             unpcb    256      20      55        1651       0     254      19200        0
        malloc-384    384      35      15          37       0      30      19200        0
        malloc-384    384      36      14          41       0      30      19200        0
        malloc-256    256      29      46        7713       0      62      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2          89       0       2      16384        0
       malloc-1024   1024       8       8          17       0      16      16384        0
       malloc-1024   1024      11       5          16       0      16      16384        0
        malloc-512    512       0      32         956       0      30      16384        0
sctp_stream_msg_out    112      31     113        1141       0     254      16128        0
        sctp_laddr     48      68     268        3042       0     254      16128        0
         malloc-64     64     136     116        1128       0     254      16128        0
         malloc-64     64     158      94         217       0     254      16128        0
         16 Bucket    144      72      40         733       0      62      16128        0
      vtnet_tx_hdr     24       0     668      744008       0     254      16032        0
         udp_inpcb    496       6      26         401       0     254      15872        0
        malloc-256    256      34      26        2407       0      62      15360        0
       malloc-2048   2048       4       2          29       0       8      12288        0
        malloc-512    512      10      14         201       0      30      12288        0
      tcp_rack_map    112       0     108        1101       0     126      12096        0
              ertt     72      16     152        1966       0     126      12096        0
          2 Bucket     32      64     314        1529       0     254      12096        0
         malloc-16     16     346     404         640       0     254      12000        0
         malloc-16     16     283     467       14657       0     254      12000        0
             ripcb    496       5      19         287       0     254      11904        0
        malloc-128    128      12      81         549       0     126      11904        0
        sctp_readq    152       0      78         645       0     254      11856        0
              kenv    258      15      30        1042       0      30      11610        0
             AIOCB    552       0      21          91       0      16      11592        0
     routing nhops    256      27      18          34       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2          13       0       2       8192        0
       malloc-1024   1024       2       6          15       0      16       8192        0
       malloc-1024   1024       1       7         191       0      16       8192        0
        malloc-512    512       3      13         557       0      30       8192        0
        malloc-512    512      12       4          12       0      30       8192        0
           rtentry    176      30      16          34       0      62       8096        0
             tcptw     88       0      92          11       0     254       8096        0
              PGRP     88      35      57          75       0     126       8096        0
          rl_entry     40     118      84         118       0     254       8080        0
   sctp_asconf_ack     48       0     168          15       0     254       8064        0
             udpcb     32      17     235        2810       0     254       8064        0
              AIOP     32       4     248           4       0     254       8064        0
         malloc-64     64      12     114         117       0     254       8064        0
         malloc-32     32     137     115         211       0     254       8064        0
         malloc-32     32       0     252          16       0     254       8064        0
         malloc-32     32     160      92         279       0     254       8064        0
         malloc-32     32      25     227          75       0     254       8064        0
         malloc-32     32      38     214         936       0     254       8064        0
          4 Bucket     48       5     163         173       0     254       8064        0
         malloc-16     16      18     482        1973       0     254       8000        0
         malloc-16     16      16     484          19       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      30     470       32510       0     254       8000        0
        malloc-128    128      25      37         124       0     126       7936        0
      tcp_log_node    120       0      66           5       0     126       7920        0
               AIO    208       0      38          58       0      62       7904        0
           cryptop    280       0      28         121       0      30       7840        0
        malloc-384    384       1      19         349       0      30       7680        0
            AIOLIO    272       0      28           7       0      30       7616        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55          16       0     126       6448        0
         domainset     40       0     126           7       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       1       7          12       0      30       4096        0
        malloc-512    512       4       4           4       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
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        malloc-384    384       1       9          17       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       0          0        0
           pf tags    104       0       0           0       0     126          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
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
        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-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 (22):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/09 10:22 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/09 10:12 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/09 03:53 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/09 01:18 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/09 01:04 freebsd-src 25a66f1fb177 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 20:47 freebsd-src e88c3b1b02a6 1b20171a console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 18:20 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 17:22 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 01:04 freebsd-src da2f833f7a0b 95793bce console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 13:57 freebsd-src da2f833f7a0b 4846d5c1 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 09:15 freebsd-src da2f833f7a0b 4846d5c1 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 07:26 freebsd-src da2f833f7a0b 4846d5c1 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 07:17 freebsd-src da2f833f7a0b 4846d5c1 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/09 10:33 freebsd-src a65fe39d5418 281e815f console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/09 07:26 freebsd-src bf3a385217ce 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 21:45 freebsd-src e88c3b1b02a6 1b20171a console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 17:50 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/08 09:49 freebsd-src e88c3b1b02a6 1aade754 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 20:47 freebsd-src 48b4fe050328 95793bce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 17:56 freebsd-src a7b05eb16c9d 4846d5c1 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 14:01 freebsd-src a7b05eb16c9d 4846d5c1 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
2021/07/07 12:54 freebsd-src a7b05eb16c9d 4846d5c1 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1)
* Struck through repros no longer work on HEAD.