syzbot


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

Status: auto-closed as invalid on 2022/03/05 21:53
Reported-by: syzbot+3967b32a8dee005d3817@syzkaller.appspotmail.com
First crash: 875d, last: 866d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, StackLeft(f1) (2) 1 661d 661d 0/2 auto-obsoleted due to no activity on 2022/09/26 19:12

Sample crash report:
panic: ASan: Invalid access, 8-byte read at 0xfffffe00541bc6e0, StackLeft(f1)
cpuid = 0
time = 1638741122
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00541bc2b0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00541bc410
vpanic() at vpanic+0x2b8/frame 0xfffffe00541bc4f0
panic() at panic+0xb5/frame 0xfffffe00541bc5c0
kasan_report() at kasan_report+0xdc/frame 0xfffffe00541bc690
__cap_rights_is_set() at __cap_rights_is_set+0x1cb/frame 0xfffffe00541bc7b0
fget_fcntl() at fget_fcntl+0xdb/frame 0xfffffe00541bc8b0
kern_fcntl() at kern_fcntl+0x485/frame 0xfffffe00541bcbf0
kern_fcntl_freebsd() at kern_fcntl_freebsd+0x289/frame 0xfffffe00541bcd30
amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe00541bcf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00541bcf30
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x28a2da, rsp = 0x43f08, rbp = 0x43f70 ---
KDB: enter: panic
[ thread pid 883 tid 100103 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x250eeda(%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         0x9c7237259681de31
rdx                        0x1
rbx                          0
rsp         0xfffffe00541bc3f0
rbp         0xfffffe00541bc410
rsi                          0
rdi         0xffffffff8175c9aa  vprintf+0x35a
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0058aa1e10
r12         0xfffffe0058aa1900
r13         0xfffffe00541bc401
r14         0xffffffff82b3f2e0  .str.18
r15         0xffffffff82b3f2e0  .str.18
rip         0xffffffff817501bb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x250eeda(%rip)
db> show proc
Process 883 (syz-executor.1) at 0xfffffe009c100000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 880 at 0xfffffe009f12a548
 ABI: FreeBSD ELF64
 flag: 0x10000010  flag2: 0
 arguments: /root/syz-executor.1 exec
 reaper: 0xfffffe0053de2000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009f6e6000
   (map 0xfffffe009f6e6000)
   (map.pmap 0xfffffe009f6e60c0)
   (pmap 0xfffffe009f6e6128)
 threads: 1
100103                   Run     CPU 0                       syz-executor.1
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  883   880   873     0  RV      CPU 0                       syz-executor.1
  882   881   873     0  S       uwait   0xfffffe009e8ae680  syz-executor.1
  881   880   873     0  SV      sigwait 0xfffffe009f12a0b0  syz-executor.1
  880   873   873     0  R       (threaded)                  syz-executor.1
100131                   Run     CPU 1                       syz-executor.1
100138                   D       ppwait  0xfffffe009f12a4f8  syz-executor.1
100141                   D       ppwait  0xfffffe009c1004f8  syz-executor.1
  873   773   873     0  Rs                                  syz-executor.1
  862   773   862     0  Ss      piperd  0xfffffe0058a288b8  syz-executor.2
  856     1   856     0  Ss      select  0xfffffe0053c049c0  rtsol
  855     1   855     0  Ss      select  0xfffffe0053c04ac0  rtsol
  854     1   854     0  Ss      select  0xfffffe0053c04bc0  rtsol
  851   788   429     0  S       kqread  0xfffffe00589a0900  rtsol
  788   782   429     0  S       wait    0xfffffe009ea94548  sh
  782   429   429     0  S       wait    0xfffffe009ea94000  sh
  778   773   778     0  Ss      piperd  0xfffffe0058a28ba0  syz-executor.0
  773   771   771     0  S       (threaded)                  syz-fuzzer
100114                   S       uwait   0xfffffe0053c0a400  syz-fuzzer
100115                   S       uwait   0xfffffe0053c0a900  syz-fuzzer
100116                   S       uwait   0xfffffe0053c0aa00  syz-fuzzer
100117                   S       uwait   0xfffffe0053c0ab00  syz-fuzzer
100118                   S       kqread  0xfffffe0053c97600  syz-fuzzer
100119                   S       uwait   0xfffffe0053c0ad00  syz-fuzzer
100120                   S       uwait   0xfffffe0053c0a500  syz-fuzzer
100121                   S       uwait   0xfffffe009e8ae980  syz-fuzzer
100123                   S       uwait   0xfffffe009c1bce00  syz-fuzzer
  771   769   771     0  Ss      pause   0xfffffe009ea94b40  csh
  769   687   769     0  Ss      select  0xfffffe0053c057c0  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00573494b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe005845a0b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe005845a4b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe005845a8b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe005845acb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe005845b0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005845b4b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005845b8b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005845bcb0  getty
  691     1   691     0  Ss      nanslp  0xffffffff83c2c781  cron
  687     1   687     0  Ss      select  0xfffffe0053c05bc0  sshd
  500     1   500     0  Ss      select  0xfffffe0053c060c0  syslogd
  429     1   429     0  Ss      wait    0xfffffe0058a9d000  devd
  428     1   428    65  Ss      select  0xfffffe0056d9a240  dhclient
  343     1   343     0  Ss      select  0xfffffe0053c06040  dhclient
  340     1   340     0  Ss      select  0xfffffe0056d9a940  dhclient
   16     0     0     0  DL      syncer  0xffffffff83d51f40  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe0058604000  [vnlru]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff83d50560  [bufdaemon]
100081                   D       -       0xffffffff83011f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058b2bce8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff83d83a00  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83d778b8  [dom0]
100082                   D       launds  0xffffffff83d778c4  [laundry: dom0]
100083                   D       umarcl  0xffffffff81e41410  [uma]
    6     0     0     0  DL      -       0xffffffff839e8688  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff8447d1c0  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff84961530  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff8388a640  [doneq0]
100046                   D       -       0xffffffff8388a5c0  [async]
100075                   D       -       0xffffffff8388a440  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0053fc0c88  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83d73100  [crypto]
100042                   D       crypto_ 0xfffffe00543d2030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe00543d2080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83c01e80  [g_event]
100037                   D       -       0xffffffff83c01ea0  [g_up]
100038                   D       -       0xffffffff83c01ec0  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100020                   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    0xfffffe0053de2000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d73be0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83c028e0  [swapper]
100005                   D       -       0xfffffe0007966300  [if_config_tqg_0]
100006                   D       -       0xfffffe0007966200  [softirq_0]
100007                   D       -       0xfffffe0007966100  [softirq_1]
100008                   D       -       0xfffffe0007966000  [if_io_tqg_0]
100009                   D       -       0xfffffe0007965e00  [if_io_tqg_1]
100010                   D       -       0xfffffe0007965d00  [aiod_kick taskq]
100011                   D       -       0xfffffe0007965c00  [deferred_unmount ta]
100012                   D       -       0xfffffe0007965b00  [thread taskq]
100014                   D       -       0xfffffe0007965900  [linuxkpi_irq_wq]
100015                   D       -       0xfffffe0007965800  [kqueue_ctx taskq]
100016                   D       -       0xfffffe0007965700  [pci_hp taskq]
100018                   D       -       0xfffffe0007965500  [inm_free taskq]
100019                   D       -       0xfffffe0007965400  [in6m_free taskq]
100021                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0056da1300  [firmware taskq]
100039                   D       -       0xfffffe0056da1200  [crypto_0]
100040                   D       -       0xfffffe0056da1200  [crypto_1]
100056                   D       -       0xfffffe0056da1000  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0056da0e00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0056da0d00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0056da0c00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0056d9ae80  [virtio_balloon]
100065                   D       -       0xfffffe0056da0b00  [mca taskq]
100066                   D       -       0xffffffff82b44dc0  [deadlkres]
100071                   D       -       0xfffffe0056da0900  [acpi_task_0]
100072                   D       -       0xfffffe0056da0900  [acpi_task_1]
100073                   D       -       0xfffffe0056da0900  [acpi_task_2]
100074                   D       -       0xfffffe0056da1100  [CAM taskq]
db> show all locks
Process 880 (syz-executor.1) thread 0xfffffe009f126740 (100131)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe009f6e6060) 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         4241
          tcp_hpts            6         3201K            6
         sysctloid        34994         2061K        35065
             vtbuf           24         1968K           46
              kobj          322         1288K          481
            newblk           33         1032K          777
          vfscache            3         1025K            3
               pcb           32          542K          101
          inodedep           23          521K          127
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          107          218K          942
            acpica         1674          184K        56282
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          353          134K          381
           pagedep           11          131K           55
        tfo_ccache            1          128K            1
          filedesc           16          121K           98
            DEVFS1          108          108K          123
               sem            4          106K            4
               bus          973           80K         3426
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          505           64K          505
           kdtrace          180           36K         1026
              umtx          286           36K          286
              temp           30           33K         2968
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          127           32K          137
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           13           18K           15
         ufs_mount            4           17K            5
            ifaddr           57           17K           59
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
          routetbl           98           15K          327
            bus-sc           34           15K         1651
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          136           12K          136
           lltable           35           11K           35
             ifnet            6           11K            6
         CAM queue            5           11K         1528
              GEOM           61           10K          490
       ether_multi          124           10K          134
              rman           84           10K          425
         bmsafemap            2            9K          105
              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
            kqueue           53            8K          890
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
         in6_multi           55            8K           55
         taskqueue           63            7K           63
            DEVFSP          103            7K          442
            sglist            5            7K            5
           CAM DEV            3            6K          510
          kcovinfo           96            6K          429
              cred           23            6K          210
            plimit           19            5K          392
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
                vt           11            5K           11
          pf_ifnet            9            4K           16
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
             hhook           15            4K           17
           session           25            4K           46
           pwddesc           49            4K          884
         proc-args           78            3K         1963
          terminal           11            3K           11
            diradd           21            3K           93
          indirdep            9            3K           20
           uidinfo            3            3K            8
         sctp_stro            2            2K            2
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           32            2K        49740
          freework            8            2K          103
             mkdir           14            2K           88
            Unitno           29            2K           45
             lockf           16            2K           66
           CAM XPT           22            2K          543
            ip6ndp           10            2K           12
         sctp_atcl            4            2K            7
          sctp_ifa           11            2K           12
            select           11            2K           32
       ipsecpolicy            2            2K            2
          in_multi            5            2K            7
           acpidev           20            2K           20
               msi            9            2K            9
         newdirblk            9            2K           44
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           20
      NFSD session            1            1K            1
        CAM periph            4            1K          271
               tun            6            1K            6
             ipsec            3            1K            3
          freeblks            3            1K           62
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifn            5            1K           12
            crypto            4            1K            4
               mld            5            1K            5
 encap_export_host           12            1K           12
              igmp            5            1K            5
            dirrem            2            1K           65
              pfil            4            1K            4
          procdesc            4            1K           10
              cdev            2            1K            2
       inpcbpolicy           14            1K          183
               osd            8            1K           25
    chacha20random            1            1K            1
         sctp_atky            6            1K            9
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
          freefile            2            1K           62
            CC Mem            4            1K           14
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            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
             xform            2            1K           42
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K         3472
          sctp_vrf            1            1K            1
         sctp_athm            4            1K            7
          sctp_map            4            1K            4
              vnet            1            1K            1
           entropy            2            1K           47
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          filecaps            1            1K           78
          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
            mqdata            0            0K            0
           filemon            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            2
         sctp_iter            0            0K           10
         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_a_it            0            0K           10
         sctp_aadr            0            0K            0
         sctp_stri            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
               ixl            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
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            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
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
            DEVFS4            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
            DEVFS2            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
            gntdev            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
       privcmd_dev            0            0K            0
            xenbus            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         scsi_pass            0            0K            0
     vm_fictitious            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
         BACKLIGHT            0            0K            0
           ath_hal            0            0K            0
           UMAHash            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           19
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            5
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
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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    1078     1702920       0     254   38494208        0
        RADIX NODE    144   18698     225      123189       0      62    2724912        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8619    1043     2568584       0     254    2473472        0
          BUF TRIE    144     183   11605         635       0      62    1697472        0
        malloc-384    384    4117      23        4117       0      30    1589760        0
        malloc-128    128   11515     203       11646       0     126    1499904        0
       malloc-4096   4096     329       1        1028       0       2    1351680        0
       UMA Slabs 0    112   10581      33       10581       0     126    1188768        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   17278     113       17299       0     254     973896        0
           sctp_ep   1272       2     508           5       0     254     648720        0
         FFS inode   1160     504      28         566       0       8     617120        0
         sctp_asoc   2288       2     253           2       0     254     583440        0
             tcpcb   1096       4     507          14       0     254     560056        0
         VM OBJECT    264    1979      31       28358       0      30     530640        0
            socket    960      30     478        1414       0     254     487680        0
          lkpicurr    168       2    2350           2       0      62     395136        0
      malloc-65536  65536       6       0           6       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
        256 Bucket   2048     141      11        5071       0       8     311296        0
       malloc-4096   4096      67       3         998       0       2     286720        0
             VNODE    448     541      89         605       0      30     282240        0
         malloc-64     64    4073     274        4368       0     254     278208        0
            THREAD   1808     130      13         141       0       8     258544        0
         MAP ENTRY     96    2254     392       97083       0     126     254016        0
             ripcb    496       4     508          10       0     254     253952        0
         tcp_inpcb    496       4     508          14       0     254     253952        0
         udp_inpcb    496       6     506         159       0     254     253952        0
         malloc-16     16   14529     221       15980       0     254     236000        0
            DEVCTL   1024      16     204         144       0       0     225280        0
           tcp_log    416       0     513          88       0     254     213408        0
      malloc-16384  16384      10       3         205       0       1     212992        0
         malloc-32     32    5610     564        5866       0     254     197568        0
        malloc-128    128    1268     251       30034       0     126     194432        0
        sctp_raddr    736       2     262           2       0     254     194304        0
        malloc-256    256      92     658         904       0      62     192000        0
         UMA Zones    768     240       4         240       0      16     187392        0
       FFS2 dinode    256     504      66         566       0      62     145920        0
       S VFS Cache    104    1002     285        1098       0     126     133848        0
      malloc-65536  65536       0       2         136       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
      malloc-65536  65536       0       2          62       0       1     131072        0
       malloc-1024   1024     108      20         136       0      16     131072        0
             unpcb    256      14     496        1202       0     254     130560        0
       mbuf_packet    256       0     508         119       0     254     130048        0
     FPU_save_area    832     132      12        5423       0      16     119808        0
       malloc-2048   2048      10      48        1233       0       9     118784        0
          ksiginfo    112      44    1000        5332       0     126     116928        0
        malloc-128    128     656     119         893       0     126      99200        0
           VMSPACE   2552      31       5         867       0       4      91872        0
          UMA Kegs    384     226       7         226       0      30      89472        0
        128 Bucket   1024      51      32         516       0      16      84992        0
        malloc-256    256     239      76         598       0      62      80640        0
              PROC   1352      48       9         883       0       8      77064        0
         filedesc0   1072      49      21         884       0       8      75040        0
       malloc-8192   8192       9       0           9       0       1      73728        0
             g_bio    408       0     180        5531       0      30      73440        0
         64 Bucket    512      76      60       10083       0      30      69632        0
         malloc-64     64     343     728       50794       0     254      68544        0
         malloc-64     64     518     553       15199       0     254      68544        0
        malloc-128    128     287     240         287       0     126      67456        0
        malloc-128    128     317     210         928       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       3       5         132       0       1      65536        0
         malloc-64     64     476     343         675       0     254      52416        0
         malloc-64     64      24     795         803       0     254      52416        0
        malloc-256    256     135      60         154       0      62      49920        0
        malloc-256    256      81     114         859       0      62      49920        0
         32 Bucket    256      50     145       34726       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       13774       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-1024   1024      28      20          37       0      16      49152        0
       malloc-1024   1024      10      38        2371       0      16      49152        0
        malloc-384    384      67      53         214       0      30      46080        0
          syncache    168       0     264           4       0     254      44352        0
             Files     80     216     334        7746       0     126      44000        0
            clpbuf   2624       0      16          21       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-4096   4096       8       2           8       0       2      40960        0
            pcpu-8      8    4542     578        4680       0     254      40960        0
        sctp_chunk    152       2     258           2       0     254      39520        0
       Mountpoints   2752       2      12           2       0       4      38528        0
            da_ccb    544       0      70        1498       0      16      38080        0
         malloc-64     64      49     518         885       0     254      36288        0
         malloc-64     64     108     459         998       0     254      36288        0
         malloc-64     64      94     473         976       0     254      36288        0
       tcp_bbr_map    128       0     279          12       0     126      35712        0
        malloc-128    128      11     268          12       0     126      35712        0
        malloc-128    128     137     142         679       0     126      35712        0
        malloc-128    128      76     203         218       0     126      35712        0
     routing nhops    256      22     113          29       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      59      31         399       0      30      34560        0
        malloc-256    256      39      96          43       0      62      34560        0
        malloc-256    256      48      87         729       0      62      34560        0
        malloc-256    256      31     104         818       0      62      34560        0
        malloc-256    256      10     125         334       0      62      34560        0
         TURNSTILE    136     144     108         144       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2          10       0       1      32768        0
      malloc-16384  16384       1       1          16       0       1      32768        0
       malloc-2048   2048      11       5          74       0       8      32768        0
       malloc-2048   2048       2      14          25       0       8      32768        0
       malloc-2048   2048       7       9           7       0       8      32768        0
       malloc-2048   2048       3      13         105       0       8      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
       malloc-1024   1024      12      20         206       0      16      32768        0
       malloc-1024   1024       2      30          18       0      16      32768        0
       malloc-1024   1024       2      30           2       0      16      32768        0
        malloc-512    512       2      62           2       0      30      32768        0
        malloc-512    512       5      59          25       0      30      32768        0
        malloc-512    512       8      56          32       0      30      32768        0
           pcpu-64     64     479      33         479       0     254      32768        0
    ertt_txseginfo     40       0     808        9336       0     254      32320        0
sctp_stream_msg_out    112       0     288           2       0     254      32256        0
             KNOTE    160      25     175       67599       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
       tcp_bbr_pcb    832       0      36           4       0      16      29952        0
            cpuset    104       7     272           7       0     126      29016        0
          4 Bucket     48       6     582          45       0     254      28224        0
              pipe    744      16      19         373       0      16      26040        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
           rtentry    176      25     113          29       0      62      24288        0
              PGRP     88      25     251          46       0     126      24288        0
          rl_entry     40      36     570          36       0     254      24240        0
          8 Bucket     80      34     266         751       0     126      24000        0
        malloc-384    384      52       8          52       0      30      23040        0
        malloc-384    384      27      33          27       0      30      23040        0
        malloc-384    384       1      59           2       0      30      23040        0
        malloc-384    384       5      55           9       0      30      23040        0
        SLEEPQUEUE     88     144     112         144       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         159       0     254      20160        0
              ertt     72       4     276          14       0     126      20160        0
               PWD     32      14     616         132       0     254      20160        0
         malloc-32     32      35     595          43       0     254      20160        0
         malloc-32     32      83     547         186       0     254      20160        0
         malloc-32     32      56     574         228       0     254      20160        0
         malloc-32     32     122     508         319       0     254      20160        0
         malloc-32     32      38     592         728       0     254      20160        0
         malloc-32     32      40     590        2773       0     254      20160        0
         malloc-32     32      24     606        1540       0     254      20160        0
         16 Bucket    144      53      87         274       0      62      20160        0
          2 Bucket     32      49     581         318       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-4096   4096       2       2         218       0       2      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-1024   1024       8       8           9       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       2      30         169       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       3     508           3       0     254      16352        0
        sctp_laddr     48       0     336          10       0     254      16128        0
      vtnet_tx_hdr     24       0     668      852302       0     254      16032        0
              kenv    258      15      45        1031       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       3     508           3       0     254      12264        0
         malloc-16     16      12     738          27       0     254      12000        0
         malloc-16     16      29     721         182       0     254      12000        0
         malloc-16     16     293     457         444       0     254      12000        0
         malloc-16     16      11     739          13       0     254      12000        0
         malloc-16     16     183     567        1269       0     254      12000        0
         malloc-16     16      15     735       25780       0     254      12000        0
         malloc-16     16      42     708         111       0     254      12000        0
        malloc-384    384      22       8          22       0      30      11520        0
       malloc-4096   4096       0       2           1       0       2       8192        0
       malloc-4096   4096       0       2           5       0       2       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        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
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       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
     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
          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
           NCLNODE    608       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           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-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       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-512    512       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 (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/12/05 21:52 freebsd-src dabd8bf9145a a617004c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackLeft(f1)
2021/11/26 00:03 freebsd-src bebff615877e 63eeac02 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackLeft(f1)
* Struck through repros no longer work on HEAD.