syzbot


panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)

Status: closed as dup on 2021/09/07 21:43
Reported-by: syzbot+5ca7b3ec4dad787fb840@syzkaller.appspotmail.com
First crash: 1175d, last: 1172d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: ASan: Invalid access, NUM-byte read in strncmp C 12 1171d 1175d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb) (2) 6 402d 414d 2/2 fixed on 2023/10/17 20:37
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb) (3) 1 184d 184d 0/2 auto-obsoleted due to no activity on 2024/08/19 05:52
freebsd panic: ASan: Invalid access, 16-byte read at ADDR, MallocRedZone(fb) 20 1180d 1233d 0/2 closed as dup on 2021/07/10 00:25

Sample crash report:
login: panic: ASan: Invalid access, 16-byte read at 0xfffffe0007942f80, MallocRedZone(fb)
cpuid = 1
time = 1630636138
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b38490
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b385f0
vpanic() at vpanic+0x2c5/frame 0xfffffe0053b386d0
panic() at panic+0xb5/frame 0xfffffe0053b387a0
kasan_memmove() at kasan_memmove+0x313/frame 0xfffffe0053b38870
g_label_generic_taste() at g_label_generic_taste+0x12d/frame 0xfffffe0053b38990
g_label_taste() at g_label_taste+0x320/frame 0xfffffe0053b38b10
g_new_provider_event() at g_new_provider_event+0x40e/frame 0xfffffe0053b38b50
g_run_events() at g_run_events+0x1c3/frame 0xfffffe0053b38bb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0053b38bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053b38bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 13 tid 100039 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28e355a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0x9e3a195838df7fd1
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0053b385d0
rbp         0xfffffe0053b385f0
rsi                        0x1
rdi         0xffffffff8408b9c0  cov_trace_pc
r8                         0x3
r9          0xfffffe0053b38108
r10                          0
r11         0xfffffe005893e530
r12         0xfffffe0053e23e40
r13         0xfffffe0053b38601
r14         0xffffffff82c754c0  .str.18
r15         0xffffffff82c754c0  .str.18
rip         0xffffffff817aaddb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28e355a(%rip)
db> show proc
Process 13 (geom) at 0xfffffe0053df1000:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8402f6c0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8402f6c0 reapsubtree: 13
 sigparent: 20
 vmspace: 0xffffffff84030640
   (map 0xffffffff84030640)
   (map.pmap 0xffffffff84030700)
   (pmap 0xffffffff84030760)
 threads: 3
100039                   Run     CPU 1                       [g_event]
100040                   D       -       0xffffffff8402e800  [g_up]
100041                   D       -       0xffffffff8402e840  [g_down]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  786     0     0     0  DL      mdwait  0xfffffe009e9de000  [md0]
  785   783   783     0  D       g_waiti 0xffffffff8402e400  syz-executor6012533
  783   781   783     0  Ss      pause   0xfffffe0058b335e8  csh
  781   694   781     0  Ss      select  0xfffffe0056b8c8c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056ff9cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00575f7cb0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583eb0b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583eb4b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583eb8b0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583ebcb0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00574750b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00574754b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00574758b0  getty
  750     1    24     0  S+      piperd  0xfffffe009e4098b8  logger
  749   748    24     0  S+      nanslp  0xffffffff8405b201  sleep
  748     1    24     0  S+      wait    0xfffffe0058b75a70  sh
  698     1   698     0  Ss      nanslp  0xffffffff8405b200  cron
  694     1   694     0  Ss      select  0xfffffe0056b8c9c0  sshd
  507     1   507     0  Ss      select  0xfffffe005740ba40  syslogd
  436     1   436     0  Ss      select  0xfffffe0056b8cc40  devd
  435     1   435    65  Ss      select  0xfffffe005740bc40  dhclient
  350     1   350     0  Ss      select  0xfffffe0056b8cd40  dhclient
  347     1   347     0  Ss      select  0xfffffe0056b8ccc0  dhclient
   23     0     0     0  DL      syncer  0xffffffff841835e0  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe005875da70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100085                   D       qsleep  0xffffffff841812e0  [bufdaemon]
100088                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   D       sdflush 0xfffffe00575ff8e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b9800  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100083                   D       psleep  0xffffffff841ad338  [dom0]
100089                   D       launds  0xffffffff841ad344  [laundry: dom0]
100090                   D       umarcl  0xffffffff81eaa4c0  [uma]
   18     0     0     0  DL      -       0xffffffff83e12320  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84b8f560  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84748e20  [pf purge]
   15     0     0     0  DL      -       0xffffffff8417c500  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8417c500  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8417c500  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8417c500  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100048                   D       -       0xffffffff83c97ac0  [doneq0]
100049                   D       -       0xffffffff83c97a40  [async]
100082                   D       -       0xffffffff83c978c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe000791a888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541b1d80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541b1d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841a73e0  [crypto]
   13     0     0     0  RL      (threaded)                  [geom]
100039                   Run     CPU 1                       [g_event]
100040                   D       -       0xffffffff8402e800  [g_up]
100041                   D       -       0xffffffff8402e840  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100029                   D       -       0xfffffe00081ecb00  [thr_0]
100030                   D       -       0xfffffe00081ecb80  [thr_1]
100031                   D       -       0xffffffff8417d888  [alloc_0]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: netisr 0]
100035                   I                                   [swi3: vm]
100036                   I                                   [swi1: hpts]
100037                   I                                   [swi1: hpts]
100050                   I                                   [irq24: virtio_pci0]
100051                   I                                   [irq25: virtio_pci0]
100052                   I                                   [irq26: virtio_pci0]
100053                   I                                   [irq27: virtio_pci0]
100054                   I                                   [irq28: virtio_pci1]
100055                   I                                   [irq29: virtio_pci1]
100056                   I                                   [irq30: virtio_pci1]
100057                   I                                   [irq31: virtio_pci1]
100058                   I                                   [irq32: virtio_pci1]
100063                   I                                   [irq10: virtio_pci2]
100065                   I                                   [irq1: atkbd0]
100066                   I                                   [irq12: psm0]
100067                   I                                   [swi0: uart uart++]
100075                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   Run     CPU 0                       [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d52538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a8380  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402f6c0  [swapper]
100005                   D       -       0xfffffe00081f4800  [if_config_tqg_0]
100006                   D       -       0xfffffe00081f4600  [softirq_0]
100007                   D       -       0xfffffe00081f4400  [softirq_1]
100008                   D       -       0xfffffe00081f4200  [if_io_tqg_0]
100009                   D       -       0xfffffe00081f4000  [if_io_tqg_1]
100010                   D       -       0xfffffe0053defd00  [in6m_free taskq]
100011                   D       -       0xfffffe0053defb00  [deferred_unmount ta]
100014                   D       -       0xfffffe0053def500  [thread taskq]
100016                   D       -       0xfffffe0053def100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0053df9e00  [kqueue_ctx taskq]
100018                   D       -       0xfffffe0053df9c00  [pci_hp taskq]
100019                   D       -       0xfffffe0053df9a00  [aiod_kick taskq]
100020                   D       -       0xfffffe0053df9800  [inm_free taskq]
100021                   D       -       0xfffffe0053df9600  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053df9600  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053df9600  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053df9600  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053df9100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053df9100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053df9100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053df9100  [linuxkpi_long_wq_3]
100038                   D       -       0xfffffe0053e01200  [firmware taskq]
100042                   D       -       0xfffffe0054188c00  [crypto_0]
100043                   D       -       0xfffffe0054188c00  [crypto_1]
100059                   D       -       0xfffffe0056eacd00  [vtnet0 rxq 0]
100060                   D       -       0xfffffe0056eacc00  [vtnet0 txq 0]
100061                   D       -       0xfffffe0056eacb00  [vtnet0 rxq 1]
100062                   D       -       0xfffffe0056eaca00  [vtnet0 txq 1]
100064                   D       vtbslp  0xfffffe0056b8ce80  [virtio_balloon]
100068                   D       -       0xfffffe0056feba00  [mca taskq]
100073                   D       -       0xffffffff82c7c440  [deadlkres]
100078                   D       -       0xfffffe0057401900  [acpi_task_0]
100079                   D       -       0xfffffe0057401900  [acpi_task_1]
100080                   D       -       0xfffffe0057401900  [acpi_task_2]
100081                   D       -       0xfffffe0054188500  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4217         4339K         4243
          tcp_hpts            6         3201K            6
         sysctloid        34503         2038K        34574
             vtbuf           24         1968K           46
              kobj          327         1308K          495
            newblk          709         1201K          727
          vfscache            3         1025K            3
               pcb           23          537K           77
          inodedep           50          531K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          105          210K          845
            acpica         1674          184K        55752
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          356          140K          384
           pagedep           14          132K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
               bus          989           81K         3490
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
           kdtrace          169           34K          909
              umtx          264           33K          264
              temp           18           33K         1617
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          123           31K          133
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           34           15K         1693
            KTRACE          100           13K          100
              GEOM           73           12K          525
              kenv           95           12K           95
      eventhandler          133           12K          133
            ifaddr           30           12K           32
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              rman           84           10K          425
         bmsafemap            4            9K           41
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          234
       ufs_dirhash           24            5K           24
               UMA          271            5K          271
            dirrem           17            5K           28
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           md_disk            2            5K            2
           memdesc            1            4K            1
               MCA           32            4K           32
        md_sectors            1            4K            1
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
             hhook           15            4K           17
       ether_multi           40            4K           50
            diradd           25            4K           36
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
            kqueue           47            3K          789
           pwddesc           47            3K          787
          terminal           11            3K           11
           session           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           27            2K        10751
         proc-args           39            2K          489
            Unitno           27            2K           41
           CAM XPT           22            2K          543
             lockf           15            2K           22
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
               osd            7            1K           18
       inpcbpolicy           10            1K          137
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K           49
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
            soname            4            1K         3480
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
         htcp data            0            0K            0
            mqdata            0            0K            0
          cdg data            0            0K            0
        cubic data            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            4
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
        vegas data            0            0K            0
        dctcp data            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
          chd data            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
     vm_fictitious            0            0K            0
            vtfont            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
           UMAHash            0            0K            0
            ata_da            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           13
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            2
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefile            0            0K            9
          freeblks            0            0K           25
          freefrag            0            0K            7
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
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         80211node            0            0K            0
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            twsbuf            0            0K            0
            statfs            0            0K          195
     namei_tracker            0            0K            0
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          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     982       14676       0     254   38100992        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8578     992       17866       0     254    2449920        0
          BUF TRIE    144     184   11576         500       0      62    1693440        0
        malloc-384    384    4152       8        4152       0      30    1597440        0
        malloc-128    128   11311       4       11341       0     126    1448320        0
       malloc-4096   4096     328       4         589       0       2    1359872        0
       UMA Slabs 0    112   10106       7       10106       0     126    1132656        0
         vmem btag     56   15389      66       15389       0     254     865480        0
         FFS inode   1160     499      19         508       0       8     600880        0
        RADIX NODE    144    3035     180       21168       0      62     462960        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
      malloc-65536  65536       5       0           5       0       1     327680        0
         malloc-64     64    3902     445        5168       0     254     278208        0
       malloc-4096   4096      59       4         810       0       2     258048        0
        256 Bucket   2048     109      13       10796       0       8     249856        0
         VM OBJECT    264     891      54       12688       0      30     249480        0
             VNODE    448     530      19         541       0      30     245952        0
            THREAD   1808     121      11         121       0       8     238656        0
         malloc-16     16   14077     173       14137       0     254     228000        0
            DEVCTL   1024       0     220         128       0       0     225280        0
      malloc-65536  65536       1       2          47       0       1     196608        0
      malloc-65536  65536       3       0           3       0       1     196608        0
        malloc-256    256     742       8         809       0      62     192000        0
         malloc-32     32    5576     346        6152       0     254     189504        0
         UMA Zones    768     243       1         243       0      16     187392        0
        malloc-128    128    1329      35       26369       0     126     174592        0
      malloc-65536  65536       0       2         136       0       1     131072        0
       FFS2 dinode    256     499      11         508       0      62     130560        0
       malloc-1024   1024     114       6         283       0      16     122880        0
          ksiginfo    112      38    1006          53       0     126     116928        0
         MAP ENTRY     96     836     382       38041       0     126     116928        0
       S VFS Cache    104     966      87        1004       0     126     109512        0
          UMA Kegs    384     228       5         228       0      30      89472        0
        malloc-128    128     629      22        3945       0     126      83328        0
        malloc-128    128     597      23        1137       0     126      79360        0
              PROC   1336      46      11         786       0       8      76152        0
       malloc-8192   8192       7       2         110       0       1      73728        0
             g_bio    408       0     180        4493       0      30      73440        0
           VMSPACE   2544      23       4         764       0       4      68688        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-16384  16384       4       0           4       0       1      65536        0
         malloc-64     64     799     146        2511       0     254      60480        0
         filedesc0   1072      47       9         787       0       8      60032        0
       malloc-8192   8192       7       0           7       0       1      57344        0
       malloc-2048   2048       7      21         761       0       8      57344        0
        128 Bucket   1024      40      15         616       0      16      56320        0
       malloc-4096   4096      11       2         551       0       2      53248        0
        malloc-256    256     163      32         515       0      62      49920        0
        malloc-256    256     171      24        1232       0      62      49920        0
      malloc-16384  16384       1       2         161       0       1      49152        0
       malloc-2048   2048       4      20         535       0       8      49152        0
         malloc-64     64     533     160        1674       0     254      44352        0
        malloc-256    256     138      27         452       0      62      42240        0
         32 Bucket    256      49     116        2411       0      62      42240        0
            clpbuf   2624       0      16          22       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-1024   1024       4      36         532       0      16      40960        0
            da_ccb    544       0      70        1238       0      16      38080        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       12233       0      16      36864        0
            pcpu-8      8    4237     371        4265       0     254      36864        0
        malloc-384    384      83       7          83       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       1       1          16       0       1      32768        0
       malloc-8192   8192       0       4          36       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
         64 Bucket    512      59       5        1293       0      30      32768        0
        malloc-128    128      21     227         280       0     126      31744        0
       malloc-1024   1024      22       6         890       0      16      28672        0
            ttyinq    160     135      40         300       0      62      28000        0
        malloc-384    384      63       7          73       0      30      26880        0
        malloc-384    384      49      21          89       0      30      26880        0
       malloc-4096   4096       6       0           6       0       2      24576        0
       malloc-2048   2048      10       2          11       0       8      24576        0
       malloc-1024   1024      18       6          22       0      16      24576        0
           ttyoutq    256      72      18         160       0      62      23040        0
            socket    944      19       5        1334       0     254      22656        0
       malloc-1024   1024       4      16          48       0      16      20480        0
         TURNSTILE    136     133      14         133       0      62      19992        0
        malloc-128    128      90      65         541       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      40      35         485       0      62      19200        0
              pipe    744       7      18         284       0      16      18600        0
        SLEEPQUEUE     88     133      59         133       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
         malloc-64     64     147     105       10888       0     254      16128        0
         16 Bucket    144      42      70         306       0      62      16128        0
             tcpcb   1080       3      11           7       0     254      15120        0
       malloc-4096   4096       1       2         197       0       2      12288        0
       malloc-4096   4096       3       0           4       0       2      12288        0
       malloc-2048   2048       4       2           4       0       8      12288        0
       malloc-2048   2048       2       4          11       0       8      12288        0
       malloc-2048   2048       2       4           4       0       8      12288        0
        malloc-512    512       0      24         118       0      30      12288        0
        malloc-512    512      11      13          12       0      30      12288        0
    ertt_txseginfo     40       1     302         264       0     254      12120        0
         malloc-32     32     112     266        3925       0     254      12096        0
             Files     80      73      77        6582       0     126      12000        0
         malloc-16     16     497     253        1841       0     254      12000        0
          8 Bucket     80      37     113         677       0     126      12000        0
         udp_inpcb    496       6      18         126       0     254      11904        0
              kenv    258      15      30        1026       0      30      11610        0
        malloc-256    256      11      34          61       0      62      11520        0
        malloc-256    256      11      34          51       0      62      11520        0
       malloc-4096   4096       1       1           6       0       2       8192        0
       malloc-1024   1024       2       6           6       0      16       8192        0
       malloc-1024   1024       3       5           3       0      16       8192        0
        malloc-512    512       0      16           9       0      30       8192        0
        malloc-512    512       2      14          61       0      30       8192        0
        malloc-512    512       2      14           9       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      20      72          31       0     126       8096        0
          rl_entry     40      29     173          29       0     254       8080        0
        sctp_laddr     48       0     168           4       0     254       8064        0
             udpcb     32       6     246         126       0     254       8064        0
              ertt     72       3     109           7       0     126       8064        0
               PWD     32      10     242         100       0     254       8064        0
         malloc-64     64      25     101       13386       0     254       8064        0
         malloc-64     64      30      96          46       0     254       8064        0
         malloc-64     64      21     105         278       0     254       8064        0
         malloc-64     64       2     124           2       0     254       8064        0
         malloc-32     32      21     231          76       0     254       8064        0
         malloc-32     32     129     123         840       0     254       8064        0
         malloc-32     32      16     236         156       0     254       8064        0
         malloc-32     32      53     199         192       0     254       8064        0
         malloc-32     32      19     233          23       0     254       8064        0
          4 Bucket     48       5     163          47       0     254       8064        0
          2 Bucket     32      49     203         508       0     254       8064        0
      vtnet_tx_hdr     24       0     334        2295       0     254       8016        0
             KNOTE    160       0      50           8       0      62       8000        0
         malloc-16     16      15     485          96       0     254       8000        0
         malloc-16     16      18     482          24       0     254       8000        0
         malloc-16     16      16     484          67       0     254       8000        0
         malloc-16     16      42     458       25600       0     254       8000        0
         malloc-16     16       0     500           6       0     254       8000        0
         malloc-16     16      14     486          14       0     254       8000        0
             ripcb    496       1      15           4       0     254       7936        0
         tcp_inpcb    496       3      13           7       0     254       7936        0
        malloc-128    128      35      27          94       0     126       7936        0
        malloc-128    128       4      58          25       0     126       7936        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       8      22        1180       0     254       7680        0
       mbuf_packet    256       0      30         101       0     254       7680        0
        malloc-384    384       9      11          12       0      30       7680        0
        malloc-384    384       1      19         348       0      30       7680        0
        malloc-256    256       8      22         264       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       8      54           8       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       1       0           1       0       2       4096        0
       malloc-2048   2048       0       2          12       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-1024   1024       0       4           1       0      16       4096        0
        malloc-512    512       2       6           2       0      30       4096        0
        malloc-512    512       5       3           5       0      30       4096        0
        malloc-512    512       0       8           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-32     32      18     108         112       0     254       4032        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       0      10           1       0      30       3840        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
               md0      8       0       0           0       0     254          0        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1280       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb    832       0       0           0       0      16          0        0
      tcp_rack_map    112       0       0           0       0     126          0        0
     udplite_inpcb    496       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        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
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-8192   8192       0       0           0       0       1          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 (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/09/03 02:31 freebsd-src cc2d08d3880c f62a5829 console log report syz C ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)
2021/09/06 07:22 freebsd-src bb61ccd530b7 d236a457 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)
2021/09/06 01:34 freebsd-src bb61ccd530b7 d236a457 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)
2021/09/04 12:17 freebsd-src cd85b97e0e70 d236a457 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)
2021/09/03 02:20 freebsd-src cc2d08d3880c f62a5829 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)
* Struck through repros no longer work on HEAD.