syzbot


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

Status: closed as invalid on 2021/11/03 17:32
Reported-by: syzbot+ab379bf13ff75f251d6c@syzkaller.appspotmail.com
First crash: 931d, last: 930d

Sample crash report:
panic: ASan: Invalid access, 8-byte read at 0xfffffe009bef9600, UseAfterScope(f8)
cpuid = 1
time = 1633086588
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009bef91b0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009bef9310
vpanic() at vpanic+0x2c5/frame 0xfffffe009bef93f0
panic() at panic+0xb5/frame 0xfffffe009bef94b0
__asan_load8_noabort() at __asan_load8_noabort+0x376/frame 0xfffffe009bef9570
smp_targeted_tlb_shootdown() at smp_targeted_tlb_shootdown+0x26a/frame 0xfffffe009bef9710
smp_masked_invlpg() at smp_masked_invlpg+0xe6/frame 0xfffffe009bef9810
pmap_invalidate_page() at pmap_invalidate_page+0x240/frame 0xfffffe009bef9910
pmap_remove_write() at pmap_remove_write+0xd5d/frame 0xfffffe009bef9a50
vm_object_page_clean() at vm_object_page_clean+0x347/frame 0xfffffe009bef9b50
vfs_periodic_msync_inactive() at vfs_periodic_msync_inactive+0x437/frame 0xfffffe009bef9c50
kern_sync() at kern_sync+0x1b2/frame 0xfffffe009bef9d20
sys_sync() at sys_sync+0xe/frame 0xfffffe009bef9d30
ia32_syscall() at ia32_syscall+0x41f/frame 0xfffffe009bef9f30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbffcf78
KDB: enter: panic
[ thread pid 1717 tid 100115 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28df5ea(%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         0xf44dcda34e747172
rdx                        0x1
rbx                          0
rsp         0xfffffe009bef92f0
rbp         0xfffffe009bef9310
rsi                          0
rdi         0xffffffff817be6da  vprintf+0x35a
r8                           0
r9          0xfffffe009bef8e28
r10                          0
r11         0xfffffe009e426530
r12         0xfffffe005877e720
r13         0xfffffe009bef9301
r14         0xffffffff82c82bc0  .str.18
r15         0xffffffff82c82bc0  .str.18
rip         0xffffffff817b204b  kdb_enter+0x6b
rflags                0x200046  kernload+0x46
kdb_enter+0x6b: movq    $0,0x28df5ea(%rip)
db> show proc
Process 1717 (syz-executor.3) at 0xfffffe009e9cba70:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 1715 at 0xfffffe009eab1a70
 ABI: FreeBSD ELF32
 flag: 0x10000000  flag2: 0
 arguments: /root/syz-executor.3 exec
 reaper: 0xfffffe0053d59538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009ea3c000
   (map 0xfffffe009ea3c000)
   (map.pmap 0xfffffe009ea3c0c0)
   (pmap 0xfffffe009ea3c120)
 threads: 1
100115                   Run     CPU 1                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1717  1715   794     0  R       CPU 1                       syz-executor.3
 1716   783   783     0  R                                   syz-executor.0
 1715   794   794     0  R       (threaded)                  syz-executor.3
100138                   RunQ                                syz-executor.3
101211                   S       uwait   0xfffffe0058850a00  syz-executor.3
 1704     1   794     0  S       uwait   0xfffffe005884c180  syz-executor.3
 1151  1145  1151     0  Ss      select  0xfffffe0057559ec0  dhclient
 1148     1  1148     0  Ss      select  0xfffffe009e41acc0  dhclient
 1145  1138   436    65  S       select  0xfffffe009e42aec0  dhclient
 1138   436   436     0  S       wait    0xfffffe009eab1538  sh
 1006     0     0     0  DL      mdwait  0xfffffe009ea43000  [md0]
  794   780   794     0  Ss      nanslp  0xffffffff8405e501  syz-executor.3
  789   780   789     0  Ss      piperd  0xfffffe009ea105d0  syz-executor.2
  784   780   784     0  Rs      CPU 0                       syz-executor.1
  783   780   783     0  Rs                                  syz-executor.0
  780   778   778     0  D       (threaded)                  syz-fuzzer
100112                   S       uwait   0xfffffe0057599080  syz-fuzzer
100118                   S       nanslp  0xffffffff8405e501  syz-fuzzer
100119                   S       kqread  0xfffffe00575e0a00  syz-fuzzer
100120                   S       uwait   0xfffffe005885f200  syz-fuzzer
100121                   S       uwait   0xfffffe0058859680  syz-fuzzer
100122                   S       uwait   0xfffffe005885f300  syz-fuzzer
100123                   S       uwait   0xfffffe005885f400  syz-fuzzer
100124                   S       uwait   0xfffffe005885f500  syz-fuzzer
100125                   D       vmpfw   0xfffffe00016b2f98  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe009e9cb0b0  csh
  776   694   776     0  Ss      select  0xfffffe00588b00c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe005700f8b0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00575f48b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00575f10b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00575f18b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00575ed0b0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00575ed8b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00575e70b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00575e78b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe005757b0b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8405e501  cron
  694     1   694     0  Ss      select  0xfffffe009e42af40  sshd
  507     1   507     0  Ss      select  0xfffffe009e30f240  syslogd
  436     1   436     0  Ss      wait    0xfffffe0058b29000  devd
  435     1   435    65  Ss      select  0xfffffe009e42ab40  dhclient
  350     1   350     0  Ss      select  0xfffffe009e30f0c0  dhclient
  347     1   347     0  Ss      select  0xfffffe009e42adc0  dhclient
   23     0     0     0  DL      syncer  0xffffffff841868e0  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe005877ca70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100085                   D       qsleep  0xffffffff841845e0  [bufdaemon]
100088                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100096                   D       sdflush 0xfffffe005883c0e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841bcb00  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100083                   D       psleep  0xffffffff841b0638  [dom0]
100089                   D       launds  0xffffffff841b0644  [laundry: dom0]
100090                   D       umarcl  0xffffffff81eb6530  [uma]
   18     0     0     0  DL      -       0xffffffff83e14b20  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff8487d6e0  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84a482f0  [pf purge]
   15     0     0     0  DL      -       0xffffffff8417f800  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8417f800  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8417f800  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8417f800  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100048                   D       -       0xffffffff83c9a3c0  [doneq0]
100049                   D       -       0xffffffff83c9a340  [async]
100082                   D       -       0xffffffff83c9a1c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056ac6888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe0053e06880  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe0053e06830  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841aa6e0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100039                   D       -       0xffffffff84031a00  [g_event]
100040                   D       -       0xffffffff84031a40  [g_up]
100041                   D       -       0xffffffff84031a80  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100029                   D       -       0xfffffe0053df9b00  [thr_0]
100030                   D       -       0xfffffe0053df9b80  [thr_1]
100031                   D       -       0xffffffff84180b88  [alloc_0]
   12     0     0     0  WL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi3: vm]
100034                   I                                   [swi4: clock (0)]
100035                   I                                   [swi4: clock (1)]
100036                   I                                   [swi1: hpts]
100037                   I                                   [swi1: hpts]
100050                   I                                   [irq24: virtio_pci0]
100051                   I                                   [irq25: virtio_pci0]
100052                   I                                   [irq26: virtio_pci0]
100053                   I                                   [irq27: virtio_pci0]
100054                   I                                   [irq28: virtio_pci1]
100055                   I                                   [irq29: virtio_pci1]
100056                   I                                   [irq30: virtio_pci1]
100057                   I                                   [irq31: virtio_pci1]
100058                   I                                   [irq32: virtio_pci1]
100063                   I                                   [irq10: virtio_pci2]
100065                   I                                   [irq1: atkbd0]
100066                   I                                   [irq12: psm0]
100067                   I                                   [swi0: uart uart++]
100075                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d59538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841ab680  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84032900  [swapper]
100005                   D       -       0xfffffe0053df2e00  [softirq_0]
100006                   D       -       0xfffffe0053df2d00  [softirq_1]
100007                   D       -       0xfffffe0053df2c00  [if_io_tqg_0]
100008                   D       -       0xfffffe0053df2b00  [if_io_tqg_1]
100009                   D       -       0xfffffe0053df2a00  [if_config_tqg_0]
100010                   D       -       0xfffffe0053df2900  [deferred_unmount ta]
100013                   D       -       0xfffffe0053df2600  [thread taskq]
100015                   D       -       0xfffffe0053df2400  [linuxkpi_irq_wq]
100016                   D       -       0xfffffe0053df2300  [kqueue_ctx taskq]
100017                   D       -       0xfffffe0053df2200  [pci_hp taskq]
100018                   D       -       0xfffffe0053df2100  [aiod_kick taskq]
100019                   D       -       0xfffffe0053df2000  [inm_free taskq]
100020                   D       -       0xfffffe0053e06e00  [in6m_free taskq]
100021                   D       -       0xfffffe0053e06d00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053e06d00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053e06d00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053e06d00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053e06c00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053e06c00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053e06c00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053e06c00  [linuxkpi_long_wq_3]
100038                   D       -       0xfffffe0053e06b00  [firmware taskq]
100042                   D       -       0xfffffe0053e06900  [crypto_0]
100043                   D       -       0xfffffe0053e06900  [crypto_1]
100059                   D       -       0xfffffe0053e06600  [vtnet0 rxq 0]
100060                   D       -       0xfffffe0053e06500  [vtnet0 txq 0]
100061                   D       -       0xfffffe0053e06400  [vtnet0 rxq 1]
100062                   D       -       0xfffffe0053e06300  [vtnet0 txq 1]
100064                   D       vtbslp  0xfffffe0056ff6e80  [virtio_balloon]
100068                   D       -       0xfffffe0053e06200  [mca taskq]
100073                   D       -       0xffffffff82c89b41  [deadlkres]
100077                   D       -       0xfffffe00575e0c00  [acpi_task_0]
100078                   D       -       0xfffffe00575e0c00  [acpi_task_1]
100079                   D       -       0xfffffe00575e0c00  [acpi_task_2]
100081                   D       -       0xfffffe0053e06700  [CAM taskq]
db> show all locks
Process 1717 (syz-executor.3) thread 0xfffffe005877e720 (100115)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe005895b120) locked @ /syzkaller/managers/i386/kernel/sys/amd64/amd64/pmap.c:8628
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe000775ff80) locked @ /syzkaller/managers/i386/kernel/sys/amd64/amd64/pmap.c:8602
exclusive rw vm object (vm object) r = 0 (0xfffffe009e4d9000) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_subr.c:4840
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009ea0f930) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_subr.c:2993
Process 784 (syz-executor.1) thread 0xfffffe00587803a0 (100106)
exclusive rw vm object (vm object) r = 0 (0xfffffe009ea2bd68) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_map.c:4335
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe009eabe440) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_map.c:4272
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe009e470440) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_map.c:4268
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4242
          tcp_hpts            6         3201K            6
         sysctloid        35292         2079K        35363
             vtbuf           24         1968K           46
              kobj          326         1304K          492
            newblk            8         1026K         1937
          vfscache            3         1025K            3
               pcb           78          574K         2373
          inodedep           12          517K          940
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          129          252K         1791
            acpica         1674          184K        55237
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          355          140K          383
           pagedep            9          130K          836
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
          filedesc           14          105K         1653
               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
              umtx          352           44K          352
           kdtrace          205           41K         2931
               BPF           22           36K           22
              temp           35           35K         2210
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
            ifaddr           68           20K           70
          routetbl          145           19K          558
           lltable           53           17K           67
         ufs_mount            4           17K            5
              proc            3           17K            3
         sctp_stro           16           16K          330
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           34           15K         1691
       ether_multi          157           13K          167
            KTRACE          100           13K          100
         sctp_atcl           33           13K         1396
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          133           12K          133
              GEOM           68           11K          533
         CAM queue            5           11K         1528
              rman           84           10K          425
         in6_multi           71            9K           71
         bmsafemap            2            9K          909
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           37
         sctp_timw           32            8K           32
               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          204
            kqueue           58            6K         1729
            plimit           21            6K          349
       ufs_dirhash           24            5K           24
          pf_ifnet           12            5K           44
            DEVFSP           74            5K          238
               UMA          271            5K          271
                vt           11            5K           11
           md_disk            2            5K            2
          pf_table            2            4K           30
           memdesc            1            4K            1
               MCA           32            4K           32
        md_sectors            1            4K            1
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
           pwddesc           56            4K         1741
             hhook           15            4K           17
           session           25            4K           38
          terminal           11            3K           11
         proc-args           44            3K          590
           uidinfo            3            3K            7
         sctp_atky           49            3K         1763
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
            dirrem            8            2K          852
         ipsec-saq            2            2K            2
             lockf           19            2K           29
             selfd           31            2K        46294
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           15
           CAM XPT           22            2K          543
            Unitno           25            2K           83
          in_multi            6            2K            8
       vnodemarker            3            2K           57
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
            select           10            2K           41
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
       inpcbpolicy           33            2K          642
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
      NFSD session            1            1K            1
             mkdir            7            1K         1646
        CAM periph            4            1K          271
          freework            4            1K         1010
             ipsec            3            1K            3
          sctp_ifn            6            1K           15
          freeblks            3            1K          853
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
               osd           26            1K          400
            crypto            4            1K           85
 encap_export_host           12            1K           12
         sctp_athm           33            1K         1424
         sctp_stri            1            1K           72
          sctp_map           32            1K          638
         newdirblk            4            1K          823
            diradd            4            1K          885
              pfil            4            1K            4
              cdev            2            1K            2
          freefile            3            1K          849
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
          procdesc            2            1K           12
            feeder            7            1K            7
           pf_osfp            2            1K            2
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
           tcp_fsb            1            1K          126
           pf_rule            1            1K           19
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K          303
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K         4525
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           39
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           92
          p1003.1b            1            1K            1
        cubic data            0            0K            5
            tcp_do            0            0K            0
          cdg data            0            0K            8
          chd data            0            0K            8
        vegas data            0            0K            0
            mqdata            0            0K            0
        dctcp data            0            0K            5
         htcp data            0            0K           16
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          703
         sctp_iter            0            0K           12
         sctp_mvrf            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           12
         sctp_aadr            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
        madt_table            0            0K            2
          smartpqi            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
            NFS fh            0            0K            0
              iavf            0            0K            0
               ixl            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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     982     1401498       0     254   38100992        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8836     734     2254258       0     254    2449920        0
           tcp_log    416     248    5008        5462       0     254    2186496        0
        RADIX NODE    144   14684     263       92885       0      62    2152368        0
          BUF TRIE    144     192   11568        1111       0      62    1693440        0
        malloc-384    384    4151       9        4151       0      30    1597440        0
        malloc-128    128   11670      48       15108       0     126    1499904        0
       malloc-4096   4096     336       1        1133       0       2    1380352        0
       UMA Slabs 0    112   10515      30       10515       0     126    1181040        0
      mbuf_cluster   2048     570       2         570       0     254    1171456        0
         vmem btag     56   17206      49       17206       0     254     966280        0
    ertt_txseginfo     40      32   15724      143497       0     254     630240        0
         FFS inode   1160     506      33        1355       0       8     625240        0
       tcp_bbr_map    128      12    4204       41972       0     126     539648        0
        256 Bucket   2048     216      16       20239       0       8     475136        0
      malloc-65536  65536       6       1          14       0       1     458752        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
            THREAD   1808     147      29        1211       0       8     318208        0
         VM OBJECT    264    1095     105       26231       0      30     316800        0
             VNODE    448     545      76        1396       0      30     278208        0
       malloc-4096   4096      60       5        2721       0       2     266240        0
      malloc-32768  32768       2       6         249       0       1     262144        0
         malloc-64     64    3996      99        7650       0     254     262080        0
      malloc-16384  16384       9       6         827       0       1     245760        0
         malloc-16     16   14619     131       15476       0     254     236000        0
            DEVCTL   1024      24     196         154       0       0     225280        0
      malloc-65536  65536       1       2         137       0       1     196608        0
         UMA Zones    768     243       1         243       0      16     187392        0
         malloc-32     32    5643     153        6906       0     254     185472        0
        malloc-256    256       8     652        2581       0      62     168960        0
        malloc-128    128    1272      30       26199       0     126     166656        0
         MAP ENTRY     96    1336     344       90816       0     126     161280        0
     FPU_save_area    832     149      40        5790       0      16     157248        0
       mbuf_packet    256      64     506        3479       0     254     145920        0
       malloc-1024   1024     136       4         157       0      16     143360        0
       FFS2 dinode    256     506      34        1355       0      62     138240        0
       S VFS Cache    104    1003     323        1874       0     126     137904        0
      malloc-65536  65536       0       2          74       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
        malloc-128    128     618     343        2431       0     126     123008        0
        malloc-256    256     203     277        1392       0      62     122880        0
        malloc-384    384      31     279         959       0      30     119040        0
          ksiginfo    112      56     988        4650       0     126     116928        0
        128 Bucket   1024      81      30        1197       0      16     113664        0
           VMSPACE   2544      32      10        1696       0       4     106848        0
              PROC   1336      56      16        1718       0       8      96192        0
         sctp_asoc   2288      16      24         319       0     254      91520        0
          UMA Kegs    384     228       5         228       0      30      89472        0
            socket    960      43      45        2945       0     254      84480        0
            clpbuf   2624       0      32          47       0      16      83968        0
         filedesc0   1072      56      21        1741       0       8      82544        0
       malloc-2048   2048      19      21        1032       0       8      81920        0
        malloc-256    256     216      99        3561       0      62      80640        0
           sctp_ep   1272      16      47        1029       0     254      80136        0
        malloc-128    128     504      54        2486       0     126      71424        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-16384  16384       3       1          18       0       1      65536        0
       malloc-8192   8192       4       4          42       0       1      65536        0
             g_bio    408       8     152        9994       0      30      65280        0
       malloc-8192   8192       5       2           7       0       1      57344        0
       malloc-4096   4096      12       2          15       0       2      57344        0
       malloc-1024   1024      26      30         835       0      16      57344        0
       malloc-4096   4096      12       1          23       0       2      53248        0
         64 Bucket    512      77      27        3661       0      30      53248        0
        malloc-384    384     126       4         158       0      30      49920        0
       malloc-8192   8192       4       2          14       0       1      49152        0
        sctp_raddr    736      21      45         399       0     254      48576        0
         malloc-64     64     413     343       46912       0     254      48384        0
         malloc-64     64     618     138       16158       0     254      48384        0
        malloc-128    128     301      71        2116       0     126      47616        0
         32 Bucket    256      61     119        5568       0      62      46080        0
             tcpcb   1080      22      20         389       0     254      45360        0
       malloc-2048   2048       3      19         510       0       8      45056        0
       malloc-2048   2048       0      22         573       0       8      45056        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4712     408        5532       0     254      40960        0
        malloc-384    384      35      65        1398       0      30      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       17266       0      16      36864        0
            da_ccb    544       2      61        2610       0      16      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-2048   2048      14       2          16       0       8      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
         malloc-64     64     444      60         634       0     254      32256        0
         malloc-64     64      46     458        1174       0     254      32256        0
        malloc-256    256      73      47         346       0      62      30720        0
        malloc-256    256      80      40        2515       0      62      30720        0
       malloc-2048   2048       4      10          45       0       8      28672        0
       malloc-1024   1024       2      26          55       0      16      28672        0
         TURNSTILE    136     177      33         177       0      62      28560        0
             KNOTE    160      28     147       67380       0      62      28000        0
         tcp_inpcb    496      31      25         389       0     254      27776        0
              pipe    744      20      15         376       0      16      26040        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-2048   2048       4       8         119       0       8      24576        0
       malloc-2048   2048       8       4          61       0       8      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
             Files     80     188     112       10330       0     126      24000        0
          8 Bucket     80      47     253        1732       0     126      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      36      24         149       0      30      23040        0
        malloc-256    256      76      14         187       0      62      23040        0
       tcp_bbr_pcb    832       4      23         156       0      16      22464        0
       malloc-4096   4096       3       2          12       0       2      20480        0
               PWD     32      17     613         900       0     254      20160        0
         malloc-32     32      41     589        1928       0     254      20160        0
         16 Bucket    144      61      79         415       0      62      20160        0
        SLEEPQUEUE     88     177      47         177       0     126      19712        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      53      22         856       0      62      19200        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       1       1         102       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-1024   1024      10       6         169       0      16      16384        0
        malloc-512    512       2      30         134       0      30      16384        0
         malloc-32     32     119     385        1384       0     254      16128        0
      vtnet_tx_hdr     24       0     668      746192       0     254      16032        0
        malloc-256    256      20      40        1288       0      62      15360        0
      tcp_rack_pcb    832       1      17         126       0      16      14976        0
            cpuset    104       8     116         270       0     126      12896        0
       malloc-2048   2048       2       4         193       0       8      12288        0
       malloc-1024   1024       5       7        1099       0      16      12288        0
        malloc-512    512       9      15          18       0      30      12288        0
      tcp_rack_map    112       4     104         216       0     126      12096        0
         udp_inpcb    496       6      18         193       0     254      11904        0
        sctp_chunk    152      23      55         152       0     254      11856        0
              kenv    258      15      30        1031       0      30      11610        0
             unpcb    256      11      34        1247       0     254      11520        0
        malloc-384    384      22       8          25       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           4       0       2       8192        0
       malloc-4096   4096       1       1           4       0       2       8192        0
       malloc-1024   1024       4       4          35       0      16       8192        0
        malloc-512    512       3      13          89       0      30       8192        0
        malloc-512    512       6      10          65       0      30       8192        0
        malloc-512    512       1      15          72       0      30       8192        0
           rtentry    176      31      15          35       0      62       8096        0
             tcptw     88       3      89           3       0     254       8096        0
              PGRP     88      25      67          38       0     126       8096        0
          rl_entry     40      52     150          52       0     254       8080        0
sctp_stream_msg_out    112       0      72          72       0     254       8064        0
        sctp_laddr     48      48     120         292       0     254       8064        0
             udpcb     32       6     246         233       0     254       8064        0
              ertt     72      22      90         389       0     126       8064        0
         malloc-64     64      78      48          97       0     254       8064        0
         malloc-64     64      36      90          42       0     254       8064        0
         malloc-64     64      97      29        2054       0     254       8064        0
         malloc-32     32      46     206          99       0     254       8064        0
         malloc-32     32     130     122        1048       0     254       8064        0
         malloc-32     32      34     218         746       0     254       8064        0
         malloc-32     32      38     214        2770       0     254       8064        0
          4 Bucket     48       7     161          81       0     254       8064        0
          2 Bucket     32      58     194         670       0     254       8064        0
         malloc-16     16      39     461         999       0     254       8000        0
         malloc-16     16     289     211         531       0     254       8000        0
         malloc-16     16      86     414         758       0     254       8000        0
         malloc-16     16     194     306        1419       0     254       8000        0
         malloc-16     16      24     476       25349       0     254       8000        0
         malloc-16     16      49     451        1461       0     254       8000        0
             ripcb    496       2      14          20       0     254       7936        0
     udplite_inpcb    496       0      16          40       0     254       7936        0
        malloc-128    128      24      38         109       0     126       7936        0
        malloc-128    128      42      20          62       0     126       7936        0
        malloc-128    128       3      59          32       0     126       7936        0
        sctp_readq    152       0      52          35       0     254       7904        0
           cryptop    280       0      28          19       0      30       7840        0
     routing nhops    256      27       3          35       0      62       7680        0
        malloc-384    384      11       9          11       0      30       7680        0
        malloc-384    384       1      19         341       0      30       7680        0
         domainset     40       0     126         244       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-1024   1024       4       0           4       0      16       4096        0
        malloc-512    512       5       3           6       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           4       0     254       4032        0
         malloc-32     32      80      46          80       0     254       4032        0
         malloc-16     16      10     240          10       0     254       4000        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
               md0    512       0       0           0       0      30          0        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   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
   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       0          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       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
               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
           NCLNODE    592       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     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
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-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-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
2021/10/01 11:09 freebsd-src ce73f768b764 1d849ab4 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in smp_targeted_tlb_shootdown
2021/09/29 15:06 freebsd-src 5f07d7fe408b e08fe937 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in smp_targeted_tlb_shootdown
* Struck through repros no longer work on HEAD.