syzbot


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

Status: fixed on 2021/09/07 21:38
Reported-by: syzbot+f52918174cdf193ae29c@syzkaller.appspotmail.com
Fix commit: 5402baa5b5d1 g_label: Handle small sector sizes when tasting
First crash: 521d, last: 516d
duplicates (3):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(2) C 43 516d 579d 0/2 closed as dup on 2021/09/07 17:09
panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb) C 5 518d 521d 0/2 closed as dup on 2021/09/07 21:43
panic: ASan: Invalid access, NUM-byte read in g_label_ext2fs_taste C 2 520d 520d 0/2 closed as dup on 2021/09/07 21:41

Sample crash report:
login: panic: ASan: Invalid access, 1-byte read at 0xfffffe0007942f63, RedZonePartial(2)
cpuid = 1
time = 1630651448
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b38530
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b38690
vpanic() at vpanic+0x2c5/frame 0xfffffe0053b38770
panic() at panic+0xb5/frame 0xfffffe0053b38830
__asan_load1_noabort() at __asan_load1_noabort+0x121/frame 0xfffffe0053b388f0
strncmp() at strncmp+0x4d/frame 0xfffffe0053b38930
g_label_ntfs_taste() at g_label_ntfs_taste+0x8e/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         0xff65aa1313295782
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0053b38670
rbp         0xfffffe0053b38690
rsi                        0x1
rdi         0xffffffff8408b9c0  cov_trace_pc
r8                         0x3
r9          0xfffffe0053b381a8
r10                          0
r11         0xfffffe00589298b0
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
  790     0     0     0  DL      mdwait  0xfffffe009e9e9000  [md0]
  789   787   787     0  D       g_waiti 0xffffffff8402e400  syz-executor6827494
  787   785   787     0  Ss      pause   0xfffffe0058b62b20  csh
  785   694   785     0  Ss      select  0xfffffe0056b8b7c0  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  0xfffffe009e4cbba0  logger
  749   748    24     0  S+      nanslp  0xffffffff8405b201  sleep
  748     1    24     0  S+      wait    0xfffffe0058b27a70  sh
  698     1   698     0  Ss      nanslp  0xffffffff8405b201  cron
  694     1   694     0  Ss      select  0xfffffe0056b8c8c0  sshd
  507     1   507     0  Ss      select  0xfffffe0056b8ca40  syslogd
  436     1   436     0  Ss      select  0xfffffe0056b8cbc0  devd
  435     1   435    65  Ss      select  0xfffffe0056b8ce40  dhclient
  350     1   350     0  Ss      select  0xfffffe0056b8cd40  dhclient
  347     1   347     0  Ss      select  0xfffffe0057405a40  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]
100099                   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 0xffffffff84d81560  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff8497ce20  [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]
100069                   D       -       0xffffffff82c7c440  [deadlkres]
100078                   D       -       0xfffffe00573fa900  [acpi_task_0]
100079                   D       -       0xfffffe00573fa900  [acpi_task_1]
100080                   D       -       0xfffffe00573fa900  [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          710         1202K          728
          vfscache            3         1025K            3
               pcb           23          537K           77
          inodedep           50          531K           72
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          108          211K          852
            acpica         1674          184K        55752
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          356          140K          384
           pagedep           15          132K           19
        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          173           35K          917
              umtx          264           33K          264
              temp           18           33K         1629
         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          524
              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           42
              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          243
       ufs_dirhash           24            5K           24
               UMA          271            5K          271
            dirrem           17            5K           28
            plimit           17            5K          337
                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
            diradd           26            4K           37
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
            kqueue           47            3K          793
           pwddesc           47            3K          791
          terminal           11            3K           11
           session           20            3K           32
           uidinfo            3            3K            9
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           27            2K        11156
         proc-args           39            2K          494
            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         3482
          filecaps            4            1K           70
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           36
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
        vegas data            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            4
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          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
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
            mqdata            0            0K            0
        dctcp data            0            0K            0
          cdg data            0            0K            0
        cubic data            0            0K            0
          chd data            0            0K            0
         htcp data            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
     vm_fictitious            0            0K            0
            vtfont            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
           UMAHash            0            0K            0
            ata_da            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           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
      audit_evname            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
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            ip6opt            0            0K            3
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         80211node            0            0K            0
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              zlib            0            0K            0
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            twsbuf            0            0K            0
            statfs            0            0K          197
     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     991       14730       0     254   38137856        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8578     992       17961       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       11342       0     126    1448320        0
       malloc-4096   4096     328       3         589       0       2    1355776        0
       UMA Slabs 0    112   10113       0       10113       0     126    1132656        0
         vmem btag     56   15412      43       15412       0     254     865480        0
         FFS inode   1160     501      17         510       0       8     600880        0
        RADIX NODE    144    3043     144       21286       0      62     458928        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     319        5170       0     254     270144        0
       malloc-4096   4096      59       3         814       0       2     253952        0
        256 Bucket   2048     107      17       10914       0       8     253952        0
         VM OBJECT    264     893      67       12765       0      30     253440        0
             VNODE    448     532      17         543       0      30     245952        0
            THREAD   1808     125       7         125       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     744      21         811       0      62     195840        0
         malloc-32     32    5576     346        6154       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     501       9         510       0      62     130560        0
       malloc-1024   1024     114       6         283       0      16     122880        0
          ksiginfo    112      42    1002          57       0     126     116928        0
         MAP ENTRY     96     836     340       38252       0     126     112896        0
       S VFS Cache    104     975      78        1014       0     126     109512        0
          UMA Kegs    384     228       5         228       0      30      89472        0
        malloc-128    128     629      53        3946       0     126      87296        0
           VMSPACE   2544      23      10         768       0       4      83952        0
        malloc-128    128     598      53        1142       0     126      83328        0
              PROC   1336      46      14         790       0       8      80160        0
       malloc-8192   8192       7       2         110       0       1      73728        0
             g_bio    408       0     180        4487       0      30      73440        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        2519       0     254      60480        0
         filedesc0   1072      47       9         791       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      39      16         609       0      16      56320        0
        malloc-256    256     163      47         524       0      62      53760        0
       malloc-4096   4096      11       2         551       0       2      53248        0
        malloc-256    256     175      20        1252       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         453       0      62      42240        0
         32 Bucket    256      49     116        4778       0      62      42240        0
            clpbuf   2624       0      16          22       0      16      41984        0
           DIRHASH   1024      34       6          34       0      16      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-1024   1024       4      36         532       0      16      40960        0
             NAMEI   1024       0      36       12333       0      16      36864        0
            pcpu-8      8    4237     371        4265       0     254      36864        0
         64 Bucket    512      57      15        1285       0      30      36864        0
        malloc-384    384      83       7          83       0      30      34560        0
            da_ccb    544       0      63        1237       0      16      34272        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
        malloc-128    128      21     227         280       0     126      31744        0
       malloc-1024   1024      22       6         898       0      16      28672        0
        malloc-384    384      66       4          76       0      30      26880        0
        malloc-384    384      49      21          90       0      30      26880        0
            socket    944      19       9        1335       0     254      26432        0
       malloc-4096   4096       6       0           6       0       2      24576        0
       malloc-1024   1024      18       6          22       0      16      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
         TURNSTILE    136     133      35         133       0      62      22848        0
              pipe    744       7      23         287       0      16      22320        0
       malloc-2048   2048      10       0          11       0       8      20480        0
       malloc-1024   1024       4      16          48       0      16      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      40      35         487       0      62      19200        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       11293       0     254      16128        0
         16 Bucket    144      43      69         304       0      62      16128        0
        malloc-128    128      90      34         542       0     126      15872        0
             tcpcb   1080       3      11           7       0     254      15120        0
        SLEEPQUEUE     88     133      27         133       0     126      14080        0
       malloc-4096   4096       1       2         199       0       2      12288        0
       malloc-4096   4096       3       0           4       0       2      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      11      13          12       0      30      12288        0
    ertt_txseginfo     40       1     302         287       0     254      12120        0
         malloc-32     32     112     266        3925       0     254      12096        0
         malloc-16     16     497     253        1842       0     254      12000        0
          8 Bucket     80      38     112         440       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           7       0       2       8192        0
       malloc-2048   2048       4       0           4       0       8       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         118       0      30       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          32       0     126       8096        0
          rl_entry     40      34     168          34       0     254       8080        0
             udpcb     32       6     246         126       0     254       8064        0
              ertt     72       3     109           7       0     126       8064        0
               PWD     32      10     242         102       0     254       8064        0
         malloc-64     64      25     101       13455       0     254       8064        0
         malloc-64     64      30      96          46       0     254       8064        0
         malloc-64     64      21     105         281       0     254       8064        0
         malloc-32     32      21     231          79       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         193       0     254       8064        0
         malloc-32     32      19     233          23       0     254       8064        0
          4 Bucket     48       6     162          47       0     254       8064        0
          2 Bucket     32      49     203         503       0     254       8064        0
      vtnet_tx_hdr     24       0     334        2313       0     254       8016        0
             KNOTE    160       0      50           8       0      62       8000        0
             Files     80      73      27        6625       0     126       8000        0
         malloc-16     16      15     485          95       0     254       8000        0
         malloc-16     16      18     482          25       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      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          26       0     126       7936        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       8      22        1181       0     254       7680        0
       mbuf_packet    256       0      30         102       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
        sctp_laddr     48       0      84           4       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-64     64       2      61           2       0     254       4032        0
         malloc-32     32      18     108         112       0     254       4032        0
         malloc-16     16       0     250           6       0     254       4000        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      2       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_rack_pcb    832       0       0           0       0      16          0        0
      tcp_rack_map    112       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       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
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    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 (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/09/03 06:46 freebsd-src cc2d08d3880c f62a5829 console log report syz C panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/07 19:18 freebsd-src 94d9439b6be6 6ca60148 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/07 18:20 freebsd-src 94d9439b6be6 6ca60148 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/04 22:18 freebsd-src 88a3af4da1aa d236a457 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/03 19:53 freebsd-src a0c64a443e4c d236a457 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/03 14:20 freebsd-src a0c64a443e4c d236a457 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/03 14:01 freebsd-src a0c64a443e4c d236a457 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/03 08:13 freebsd-src cc2d08d3880c f62a5829 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-main 2021/09/03 06:33 freebsd-src cc2d08d3880c f62a5829 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-i386 2021/09/07 06:55 freebsd-src 936f4a42fa2a 6ca60148 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-i386 2021/09/07 03:53 freebsd-src 936f4a42fa2a 6ca60148 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
ci-freebsd-i386 2021/09/06 20:06 freebsd-src bd11e253a9a4 6ca60148 console log report panic: ASan: Invalid access, NUM-byte read in strncmp
* Struck through repros no longer work on HEAD.