syzbot


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

Status: auto-obsoleted due to no activity on 2022/08/26 13:43
Reported-by: syzbot+a5898c11651b423b501f@syzkaller.appspotmail.com
First crash: 952d, last: 933d
Last patch testing requests (2)
Created Duration User Patch Repo Result
2022/08/26 13:27 0m retest repro freebsd-src error OK
2022/08/26 13:27 0m retest repro freebsd-src error OK

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe009bf652e0, UseAfterScope(f8)
cpuid = 1
time = 1635155624
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009bf64b70
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009bf64cd0
vpanic() at vpanic+0x2c5/frame 0xfffffe009bf64db0
panic() at panic+0xb5/frame 0xfffffe009bf64e70
__asan_load4_noabort() at __asan_load4_noabort+0x216/frame 0xfffffe009bf64f30
kvprintf() at kvprintf+0x2674/frame 0xfffffe009bf65110
vlog() at vlog+0x1a7/frame 0xfffffe009bf652b0
log() at log+0xce/frame 0xfffffe009bf653c0
sigexit() at sigexit+0x63e/frame 0xfffffe009bf65d30
postsig() at postsig+0x2c4/frame 0xfffffe009bf65ec0
ast() at ast+0xc2e/frame 0xfffffe009bf65f30
doreti_ast() at doreti_ast+0x1f/frame 0x7fffdfffdfb0
KDB: enter: panic
[ thread pid 901 tid 100245 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28df96a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0x43eea872fa71e089
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe009bf64cb0
rbp         0xfffffe009bf64cd0
rsi                        0x1
rdi                          0
r8                         0x3
r9          0xfffffe009bf647e8
r10                          0
r11                          0
r12         0xfffffe009e9d7e40
r13         0xfffffe009bf64d01
r14         0xffffffff82c87700  .str.18
r15         0xffffffff82c87700  .str.18
rip         0xffffffff817b414b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28df96a(%rip)
db> show proc
Process 901 (syz-executor1530738) at 0xfffffe009e9ffa70:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 899 at 0xfffffe0058949000
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: ./syz-executor153073823
 reaper: 0xfffffe0053d5c538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009ea093f0
   (map 0xfffffe009ea093f0)
   (map.pmap 0xfffffe009ea094b0)
   (pmap 0xfffffe009ea09518)
 threads: 1
100245                   Run     CPU 1                       syz-executor1530738
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  901   899   778     0  R       CPU 1                       syz-executor1530738
  900   899   778     0  T       (threaded)                  syz-executor1530738
100240                   s                                   syz-executor1530738
100255                   RunQ                                syz-executor1530738
  899   780   778     0  R       (threaded)                  syz-executor1530738
100227                   Run     CPU 0                       syz-executor1530738
100254                   S       uwait   0xfffffe0058839980  syz-executor1530738
  898     1   778     0  R                                   syz-executor1530738
  895     1   778     0  R                                   syz-executor1530738
  892     1   778     0  R                                   syz-executor1530738
  889     1   778     0  R                                   syz-executor1530738
  886     1   778     0  R                                   syz-executor1530738
  883     1   778     0  S       uwait   0xfffffe0058839d80  syz-executor1530738
  881     1   778     0  R                                   syz-executor1530738
  880     1   778     0  R                                   syz-executor1530738
  878     1   778     0  R                                   syz-executor1530738
  877     1   778     0  R                                   syz-executor1530738
  872     1   778     0  R                                   syz-executor1530738
  868     1   778     0  R                                   syz-executor1530738
  865     1   778     0  R                                   syz-executor1530738
  862     1   778     0  R                                   syz-executor1530738
  856     1   778     0  R                                   syz-executor1530738
  780   778   778     0  S       nanslp  0xffffffff84060981  syz-executor1530738
  778   776   778     0  Ss      pause   0xfffffe009e9b9b20  csh
  776   689   776     0  Ss      select  0xfffffe009e46b940  sshd
  755     1   755     0  Ss+     ttyin   0xfffffe00570040b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583e10b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583e18b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00575fc0b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00575fc8b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00575f80b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00575f88b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00575cb0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00575cb8b0  getty
  745     1    19     0  S+      piperd  0xfffffe00588b82e8  logger
  744   743    19     0  S+      nanslp  0xffffffff84060980  sleep
  743     1    19     0  S+      wait    0xfffffe005893b538  sh
  693     1   693     0  Ss      nanslp  0xffffffff84060980  cron
  689     1   689     0  Ss      select  0xfffffe0058b676c0  sshd
  502     1   502     0  Ss      select  0xfffffe0058b679c0  syslogd
  431     1   431     0  Ss      select  0xfffffe0058b67bc0  devd
  430     1   430    65  Ss      select  0xfffffe005888f540  dhclient
  345     1   345     0  Ss      select  0xfffffe005754b040  dhclient
  342     1   342     0  Ss      select  0xfffffe005754b0c0  dhclient
   18     0     0     0  DL      vlruwt  0xfffffe0058769538  [vnlru]
   17     0     0     0  DL      syncer  0xffffffff84188de0  [syncer]
   16     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff84186ae0  [bufdaemon]
100081                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058899ce8  [/ worker]
   15     0     0     0  DL      psleep  0xffffffff841bf000  [vmdaemon]
    9     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff841b2af8  [dom0]
100082                   D       launds  0xffffffff841b2b04  [laundry: dom0]
100083                   D       umarcl  0xffffffff81eb90b0  [uma]
    8     0     0     0  DL      -       0xffffffff83e16be0  [rand_harvestq]
    7     0     0     0  DL      waiting 0xffffffff84fa1760  [sctp_iterator]
    6     0     0     0  DL      pftm    0xffffffff84961060  [pf purge]
    5     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83c9c3c0  [doneq0]
100046                   D       -       0xffffffff83c9c340  [async]
100075                   D       -       0xffffffff83c9c1c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056ab4c88  [sequencer 00]
    4     0     0     0  DL      crypto_ 0xfffffe00541bed80  [crypto returns 1]
    3     0     0     0  DL      crypto_ 0xfffffe00541bed30  [crypto returns 0]
    2     0     0     0  DL      crypto_ 0xffffffff841acba0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff84033b40  [g_event]
100037                   D       -       0xffffffff84033b80  [g_up]
100038                   D       -       0xffffffff84033bc0  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100018                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi3: vm]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d5c538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841adb40  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84034a40  [swapper]
100005                   D       -       0xfffffe0053df0600  [if_config_tqg_0]
100006                   D       -       0xfffffe0053df0500  [softirq_0]
100007                   D       -       0xfffffe0053df0400  [softirq_1]
100008                   D       -       0xfffffe0053df0300  [if_io_tqg_0]
100009                   D       -       0xfffffe0053df0200  [if_io_tqg_1]
100010                   D       -       0xfffffe0053df0100  [inm_free taskq]
100011                   D       -       0xfffffe0053df0000  [deferred_unmount ta]
100012                   D       -       0xfffffe0053dfae00  [thread taskq]
100014                   D       -       0xfffffe0053dfab00  [pci_hp taskq]
100015                   D       -       0xfffffe0053dfaa00  [linuxkpi_irq_wq]
100016                   D       -       0xfffffe0053dfa900  [kqueue_ctx taskq]
100019                   D       -       0xfffffe0053dfa400  [aiod_kick taskq]
100020                   D       -       0xfffffe0053dfa300  [in6m_free taskq]
100021                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe000811a800  [firmware taskq]
100039                   D       -       0xfffffe00541a3d00  [crypto_0]
100040                   D       -       0xfffffe00541a3d00  [crypto_1]
100056                   D       -       0xfffffe00541a3200  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00541a3100  [vtnet0 txq 0]
100058                   D       -       0xfffffe00541a3000  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0056ee2e00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0056b94980  [virtio_balloon]
100065                   D       -       0xfffffe0056ee2700  [mca taskq]
100066                   D       -       0xffffffff82c8e6c1  [deadlkres]
100071                   D       -       0xfffffe00541a3a00  [acpi_task_0]
100072                   D       -       0xfffffe00541a3a00  [acpi_task_1]
100073                   D       -       0xfffffe00541a3a00  [acpi_task_2]
100074                   D       -       0xfffffe00541a3700  [CAM taskq]
db> show all locks
Process 899 (syz-executor1530738) thread 0xfffffe009e466020 (100227)
exclusive rw vm object (vm object) r = 0 (0xfffffe009ea03210) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_fault.c:1354
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe009ea09450) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4937
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4238
          tcp_hpts            6         3201K            6
         sysctloid        34970         2060K        35041
             vtbuf           24         1968K           46
              kobj          326         1304K          486
            newblk          824         1230K          866
          vfscache            3         1025K            3
          inodedep           92          547K          117
               pcb           23          537K           79
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          122          246K          890
            acpica         1674          184K        55237
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          355          140K          383
           pagedep           29          135K           61
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          104          104K          113
               bus          986           80K         3474
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
           kdtrace          192           37K         1159
              umtx          286           36K          286
              temp           17           33K         1604
         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
            dirrem           58           15K           69
            bus-sc           34           15K         1691
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          133           12K          133
            ifaddr           30           12K           32
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              GEOM           61           10K          492
              rman           84           10K          425
         bmsafemap            4            9K           83
              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
            plimit           18            5K          328
               UMA          268            5K          268
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
            kqueue           59            4K          904
          freefile           28            4K           37
           acpisem           28            4K           28
           pwddesc           55            4K          823
            diradd           27            4K           79
             hhook           15            4K           17
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
           session           20            3K           31
         newdirblk           19            3K           51
           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        13614
         proc-args           39            2K          488
            Unitno           27            2K           39
           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
filedesc_to_leader           18            2K          120
           softdep            1            1K            1
             mkdir            8            1K          102
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
    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
            feeder            7            1K            7
           tcpfunc            3            1K            3
      newreno data            3            1K            7
        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         3471
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           36
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           54
          p1003.1b            1            1K            1
        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
            mqdata            0            0K            0
          chd data            0            0K            0
        dctcp data            0            0K            0
        vegas data            0            0K            0
          cdg data            0            0K            0
        cubic data            0            0K            0
         htcp data            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            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
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            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
              iavf            0            0K            0
               ixl            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
          xen_intr            0            0K            0
            DEVFS2            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
         BACKLIGHT            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
               xnb            0            0K            0
            xenbus            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
     vm_fictitious            0            0K            0
          sysmouse            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
           UMAHash            0            0K            0
           scsi_da            0            0K           69
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           15
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
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          freeblks            0            0K           53
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           mactemp            0            0K            0
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            statfs            0            0K          236
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ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
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     973       15334       0     254   38064128        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8578     962       18528       0     254    2442240        0
          BUF TRIE    144     193   11567         538       0      62    1693440        0
       malloc-4096   4096     389       0        1317       0       2    1593344        0
        malloc-384    384    4117      13        4118       0      30    1585920        0
        malloc-128    128   11498      34       11627       0     126    1476096        0
       UMA Slabs 0    112   10087      26       10087       0     126    1132656        0
         vmem btag     56   15472      55       15472       0     254     869512        0
         FFS inode   1160     514      11         551       0       8     609000        0
        RADIX NODE    144    3327      84       21978       0      62     491184        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
         VM OBJECT    264    1066      14       13202       0      30     285120        0
        malloc-256    256    1026      24        1371       0      62     268800        0
             VNODE    448     544      50         583       0      30     266112        0
      malloc-65536  65536       4       0           4       0       1     262144        0
            THREAD   1808     132      11         256       0       8     258544        0
         malloc-64     64    3877     155       17521       0     254     258048        0
        256 Bucket   2048     109      15       10861       0       8     253952        0
         malloc-16     16   14458     292       14562       0     254     236000        0
            DEVCTL   1024       0     220         126       0       0     225280        0
      malloc-65536  65536       1       2         137       0       1     196608        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5536     134        5610       0     254     181440        0
        malloc-128    128    1192      48       25784       0     126     158720        0
       malloc-1024   1024     123       9         132       0      16     135168        0
     FPU_save_area    832     134      28         271       0      16     134784        0
       FFS2 dinode    256     514      11         551       0      62     134400        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          52       0       1     131072        0
          ksiginfo    112      53     991         172       0     126     116928        0
       S VFS Cache    104     968     124        1050       0     126     113568        0
         MAP ENTRY     96    1076     100       38781       0     126     112896        0
           VMSPACE   2552      37       2         806       0       4      99528        0
        malloc-128    128     707      37        4067       0     126      95232        0
          UMA Kegs    384     226       7         226       0      30      89472        0
              PROC   1336      58       8         901       0       8      88176        0
       malloc-4096   4096      17       2          30       0       2      77824        0
         filedesc0   1072      55       8         823       0       8      67536        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
       malloc-8192   8192       5       3          33       0       1      65536        0
       malloc-2048   2048      11      19         527       0       8      61440        0
             g_bio    408       0     150        4625       0      30      61200        0
        malloc-128    128     295     170        1064       0     126      59520        0
        128 Bucket   1024      38      13         618       0      16      52224        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
        malloc-128    128     353      19         505       0     126      47616        0
        malloc-384    384     111       9         113       0      30      46080        0
        malloc-256    256     154      26         285       0      62      46080        0
        malloc-256    256     146      34         322       0      62      46080        0
       malloc-2048   2048       1      21         574       0       8      45056        0
         malloc-64     64     576     117        2503       0     254      44352        0
         32 Bucket    256      45     120        5828       0      62      42240        0
            clpbuf   2624       0      16          25       0      16      41984        0
       malloc-1024   1024       5      35         555       0      16      40960        0
        malloc-384    384      92       8         118       0      30      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       12397       0      16      36864        0
            pcpu-8      8    4226     382        4254       0     254      36864        0
         64 Bucket    512      57      15        1312       0      30      36864        0
         malloc-64     64     145     422        2295       0     254      36288        0
         malloc-64     64     463     104         902       0     254      36288        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
      malloc-16384  16384       2       0          17       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       3       1         104       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
        malloc-256    256      89      31         675       0      62      30720        0
            socket    960      18      10        1333       0     254      26880        0
        malloc-384    384      52      18          52       0      30      26880        0
       malloc-8192   8192       3       0           3       0       1      24576        0
         malloc-64     64     320      58         464       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
            da_ccb    544       0      42        1286       0      16      22848        0
         TURNSTILE    136     144      24         144       0      62      22848        0
       malloc-4096   4096       3       2           6       0       2      20480        0
       malloc-4096   4096       3       2         870       0       2      20480        0
       malloc-1024   1024      13       7          14       0      16      20480        0
       malloc-1024   1024      12       8          19       0      16      20480        0
        malloc-128    128     110      45         614       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
              pipe    744       7      18         284       0      16      18600        0
        SLEEPQUEUE     88     144      48         144       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-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       1       1           3       0       1      16384        0
       malloc-2048   2048       8       0           8       0       8      16384        0
       malloc-2048   2048       3       5          29       0       8      16384        0
        malloc-512    512       1      31         120       0      30      16384        0
         malloc-32     32      70     434         622       0     254      16128        0
         16 Bucket    144      40      72         324       0      62      16128        0
          8 Bucket     80      39     161         538       0     126      16000        0
         udp_inpcb    496       6      26         126       0     254      15872        0
        malloc-384    384      22      18         380       0      30      15360        0
             tcpcb   1096       3      11           7       0     254      15344        0
       malloc-4096   4096       1       2           4       0       2      12288        0
       malloc-4096   4096       2       1           3       0       2      12288        0
       malloc-2048   2048       3       3         194       0       8      12288        0
       malloc-1024   1024       4       8         167       0      16      12288        0
       malloc-1024   1024       8       4           8       0      16      12288        0
    ertt_txseginfo     40       1     302         354       0     254      12120        0
         malloc-32     32      23     355        1073       0     254      12096        0
             Files     80      71      79        6619       0     126      12000        0
        malloc-128    128      81      12         175       0     126      11904        0
              kenv    258      15      30        1024       0      30      11610        0
        malloc-384    384      14      16          24       0      30      11520        0
        malloc-256    256      15      30        1280       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2          15       0       8       8192        0
       malloc-1024   1024       1       7         885       0      16       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
        malloc-512    512       3      13          12       0      30       8192        0
        malloc-512    512       3      13          62       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      32     170          32       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      25     227         143       0     254       8064        0
         malloc-64     64      29      97          51       0     254       8064        0
         malloc-64     64      47      79       13478       0     254       8064        0
         malloc-64     64      16     110          44       0     254       8064        0
         malloc-32     32       9     243          93       0     254       8064        0
         malloc-32     32     101     151         128       0     254       8064        0
         malloc-32     32      74     178        1092       0     254       8064        0
         malloc-32     32      47     205          76       0     254       8064        0
         malloc-32     32      46     206        2716       0     254       8064        0
          4 Bucket     48       6     162          58       0     254       8064        0
          2 Bucket     32      47     205         509       0     254       8064        0
      vtnet_tx_hdr     24       0     334        2219       0     254       8016        0
         malloc-16     16      24     476         169       0     254       8000        0
         malloc-16     16      36     464         244       0     254       8000        0
         malloc-16     16     209     291        1447       0     254       8000        0
         malloc-16     16      35     465          48       0     254       8000        0
         malloc-16     16     275     225       25340       0     254       8000        0
         malloc-16     16      11     489          61       0     254       8000        0
         tcp_inpcb    496       3      13           7       0     254       7936        0
        malloc-128    128       2      60           4       0     126       7936        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       7      23        1179       0     254       7680        0
       mbuf_packet    256       0      30          93       0     254       7680        0
        malloc-256    256       2      28          50       0      62       7680        0
        malloc-256    256       6      24         388       0      62       7680        0
        malloc-256    256      23       7          27       0      62       7680        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
        malloc-512    512       3       5           3       0      30       4096        0
        malloc-512    512       4       4           4       0      30       4096        0
        malloc-512    512       0       8          10       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
             KNOTE    160       0      25           7       0      62       4000        0
         malloc-16     16       7     243           8       0     254       4000        0
             ripcb    496       1       7           4       0     254       3968        0
       UMA Slabs 1    176       8      14           8       0      62       3872        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
       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   1272       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    896       0       0           0       0      16          0        0
      tcp_rack_map    120       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
        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     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-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-4096   4096       0       0           0       0       2          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          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
2021/10/25 09:57 freebsd-src eab5358b9080 4f0000ee console log report syz C ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in kvprintf
2021/10/13 08:42 freebsd-src d1b6fef0751b 08362356 console log report syz ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in kvprintf
2021/11/01 20:43 freebsd-src e18fbe6f19ed 098b5d53 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in kvprintf
2021/10/25 09:15 freebsd-src eab5358b9080 4f0000ee console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in kvprintf
2021/10/13 05:41 freebsd-src d1b6fef0751b 08362356 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in kvprintf
* Struck through repros no longer work on HEAD.