syzbot


panic: ASan: Invalid access, 8-byte read in callout_process

Status: auto-closed as invalid on 2022/01/16 14:10
Reported-by: syzbot+e6aff69f3c70db35eca8@syzkaller.appspotmail.com
First crash: 399d, last: 299d

Sample crash report:
Jul 13 20:22:47 ci-freebsd-main-panic: ASan: Invalid access, 8-byte read at 0xfffffe009ae44850, UMAUseAfterFree(fd)
cpuid = 0
time = 1626207795
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0057677cd0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0057677e30
vpanic() at vpanic+0x2c5/frame 0xfffffe0057677f10
panic() at panic+0xb5/frame 0xfffffe0057677fd0
__asan_load8_noabort() at __asan_load8_noabort+0x36f/frame 0xfffffe0057678090
callout_process() at callout_process+0x1e9/frame 0xfffffe0057678150
handleevents() at handleevents+0x3c7/frame 0xfffffe00576781b0
timercb() at timercb+0x3c1/frame 0xfffffe0057678270
lapic_handle_timer() at lapic_handle_timer+0x143/frame 0xfffffe00576782b0
Xtimerint() at Xtimerint+0xb1/frame 0xfffffe00576782b0
--- interrupt, rip = 0xffffffff8175b287, rsp = 0xfffffe0057678380, rbp = 0xfffffe0057678430 ---
__asan_load1_noabort() at __asan_load1_noabort+0x17/frame 0xfffffe0057678430
witness_unlock() at witness_unlock+0x53/frame 0xfffffe00576784b0
__mtx_unlock_flags() at __mtx_unlock_flags+0xeb/frame 0xfffffe0057678570
pmap_ts_referenced() at pmap_ts_referenced+0x84b/frame 0xfffffe00576786f0
vm_pageout_worker() at vm_pageout_worker+0x18dc/frame 0xfffffe0057678b60
vm_pageout() at vm_pageout+0x2cf/frame 0xfffffe0057678bb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0057678bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0057678bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 19 tid 100081 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28fa0fa(%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         0x6cc29c553d1bc1b7
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0057677e10
rbp         0xfffffe0057677e30
rsi                        0x1
rdi         0xffffffff840860c0  cov_trace_pc
r8                         0x3
r9          0xfffffe0057677968
r10                          0
r11         0xfffffe00587b2fd0
r12         0xfffffe0058389000
r13         0xfffffe0057677e01
r14         0xffffffff82c418c0  .str.18
r15         0xffffffff82c418c0  .str.18
rip         0xffffffff8178e93b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28fa0fa(%rip)
db> show proc
Process 19 (pagedaemon) at 0xfffffe0058559a70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff84029dc0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff84029dc0 reapsubtree: 19
 sigparent: 20
 vmspace: 0xffffffff8402ad40
   (map 0xffffffff8402ad40)
   (map.pmap 0xffffffff8402ae00)
   (pmap 0xffffffff8402ae60)
 threads: 3
100081                   Run     CPU 0                       [dom0]
100084                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100085                   D       umarcl  0xffffffff81e7e190  [uma]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 4430   797   797     0  RE      CPU 1                       syz-executor.3
 3819     1   788     0  S       uwait   0xfffffe005834c180  syz-executor.2
 3817     1   788     0  S       uwait   0xfffffe00920af080  syz-executor.2
 3815     1   788     0  S       uwait   0xfffffe0058ac6f00  syz-executor.2
 3813     1   788     0  S       uwait   0xfffffe009aafad80  syz-executor.2
 3812     1   788     0  S       uwait   0xfffffe0092590600  syz-executor.2
 3337     1   788     0  S       uwait   0xfffffe009960d000  syz-executor.2
 3333     1   784     0  S       uwait   0xfffffe009960dd00  syz-executor.1
 3328     1   788     0  S       uwait   0xfffffe009259cf00  syz-executor.2
 3322     1   784     0  S       uwait   0xfffffe009259c100  syz-executor.1
 3317     1   788     0  S       uwait   0xfffffe009960d300  syz-executor.2
 3315     1   784     0  S       uwait   0xfffffe009960d680  syz-executor.1
 3308     1   784     0  S       uwait   0xfffffe00997fec80  syz-executor.1
 3303     1   784     0  S       uwait   0xfffffe0091e60480  syz-executor.1
 2450     1   797     0  SV      uwait   0xfffffe00997fed80  syz-executor.3
 2440     1   797     0  SV      uwait   0xfffffe0091e60380  syz-executor.3
 2436     1   784     0  SV      uwait   0xfffffe00920af480  syz-executor.1
 2434     1   783     0  SV      uwait   0xfffffe0091e60280  syz-executor.0
 2430     1   784     0  SV      uwait   0xfffffe0091e60080  syz-executor.1
 2427     1   783     0  SV      uwait   0xfffffe005889f780  syz-executor.0
 2422     1   784     0  SV      uwait   0xfffffe009960de00  syz-executor.1
 2421     1   783     0  SV      uwait   0xfffffe0092590380  syz-executor.0
 2414     1   783     0  SV      uwait   0xfffffe0056fde200  syz-executor.0
 2406     1   783     0  SV      uwait   0xfffffe00920aff00  syz-executor.0
 2042     1  2042    65  Ss      select  0xfffffe00925907c0  dhclient
 1760     1  1760     0  Ss      select  0xfffffe00920af340  dhclient
 1757     1  1757     0  Ss      select  0xfffffe009aafa2c0  dhclient
 1714     1  1714    65  Ss      select  0xfffffe009aafa4c0  dhclient
 1381     1  1381     0  Ss      select  0xfffffe009960d840  dhclient
 1378     1  1378     0  Rs                                  dhclient
 1359     1  1359    65  Ss      select  0xfffffe009aafa8c0  dhclient
 1042     1  1042     0  Ss      select  0xfffffe009aafa840  dhclient
 1039     1  1039     0  Ss      select  0xfffffe009aafa7c0  dhclient
 1011     1  1011    65  Ss      select  0xfffffe0092590f40  dhclient
  910     0     0     0  DL      aiordy  0xfffffe00997d4a70  [aiod4]
  909     0     0     0  RL                                  [aiod3]
  908     0     0     0  RL                                  [aiod2]
  907     0     0     0  RL                                  [aiod1]
  831     1   831     0  Ss      select  0xfffffe0092590840  dhclient
  819     1   819     0  Ss      select  0xfffffe0092590e40  dhclient
  797   780   797     0  Rs                                  syz-executor.3
  788   780   788     0  Rs                                  syz-executor.2
  784   780   784     0  Rs                                  syz-executor.1
  783   780   783     0  Rs                                  syz-executor.0
  780   778   778     0  R       (threaded)                  syz-fuzzer
100093                   S       uwait   0xfffffe005889fb80  syz-fuzzer
100116                   RunQ                                syz-fuzzer
100117                   S       uwait   0xfffffe00587b5d00  syz-fuzzer
100118                   RunQ                                syz-fuzzer
100119                   S       uwait   0xfffffe00587b5f00  syz-fuzzer
100120                   S       uwait   0xfffffe005834c080  syz-fuzzer
100121                   S       uwait   0xfffffe00920afc00  syz-fuzzer
100122                   S       uwait   0xfffffe00920afd00  syz-fuzzer
100124                   S       uwait   0xfffffe005834c280  syz-fuzzer
101814                   S       kqread  0xfffffe00587ebb00  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe0091fb4b20  csh
  776   694   776     0  Ss      select  0xfffffe0058ac6340  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ed0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ed4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ed8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583edcb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583950b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583954b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583958b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058395cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84055901  cron
  694     1   694     0  Ss      select  0xfffffe0058ac66c0  sshd
  507     1   507     0  Ss      select  0xfffffe0058ac67c0  syslogd
  436     1   436     0  Ss      select  0xfffffe0058ac6940  devd
  435     1   435    65  Ss      select  0xfffffe0091e60cc0  dhclient
  350     1   350     0  Ss      select  0xfffffe0058ac6840  dhclient
  347     1   347     0  Ss      select  0xfffffe0091e60d40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe00587aea70  [vnlru]
   21     0     0     0  RL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   RunQ                                [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b1c80  [vmdaemon]
   19     0     0     0  RL      (threaded)                  [pagedaemon]
100081                   Run     CPU 0                       [dom0]
100084                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100085                   D       umarcl  0xffffffff81e7e190  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84b6b460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff8485cd30  [pf purge]
   15     0     0     0  RL                                  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84174dc0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84174dc0  [soaiod2]
    7     0     0     0  RL                                  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c92240  [doneq0]
100047                   D       -       0xffffffff83c921c0  [async]
100080                   D       -       0xffffffff83c92040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056aadc88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541abd80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541abd30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8419f860  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff84028ec0  [g_event]
100038                   D       -       0xffffffff84028f00  [g_up]
100039                   D       -       0xffffffff84028f40  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e16e00  [thr_0]
100029                   D       -       0xfffffe0053e16e80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   RunQ                                [swi1: hpts]
100035                   RunQ                                [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   RunQ                                [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   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    0xfffffe0053d51538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a0800  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84029dc0  [swapper]
100005                   D       -       0xfffffe0053c0d800  [softirq_0]
100006                   RunQ                                [softirq_1]
100007                   D       -       0xfffffe0053c0d400  [if_io_tqg_0]
100008                   D       -       0xfffffe0053c0d200  [if_io_tqg_1]
100009                   D       -       0xfffffe0053c0d000  [if_config_tqg_0]
100012                   RunQ                                [thread taskq]
100013                   D       -       0xfffffe0007919400  [inm_free taskq]
100015                   D       -       0xfffffe0007919200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe0007919100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0007919000  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053df6a00  [firmware taskq]
100040                   D       -       0xfffffe0053df6900  [crypto_0]
100041                   D       -       0xfffffe0053df6900  [crypto_1]
100057                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100059                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056fc0380  [virtio_balloon]
100066                   D       -       0xfffffe0053df6300  [mca taskq]
100071                   RunQ                                [deadlkres]
100076                   D       -       0xfffffe0058394e00  [acpi_task_0]
100077                   D       -       0xfffffe0058394e00  [acpi_task_1]
100078                   D       -       0xfffffe0058394e00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
Process 4430 (syz-executor.3) thread 0xfffffe009c1d7560 (104520)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe009c986500) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8153
Process 783 (syz-executor.0) thread 0xfffffe0058ac31e0 (100104)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007a56368) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3928
shared lockmgr ufs (ufs) r = 0 (0xfffffe0091fe35b0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:4171
Process 780 (syz-fuzzer) thread 0xfffffe00587b1c80 (100118)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe009201f9e0) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:467
Process 19 (pagedaemon) thread 0xfffffe0058389000 (100081)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe0092058b10) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8601
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe000775c240) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8591
Process 0 (kernel) thread 0xfffffe0053df21e0 (100012)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff840aa580) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          326         1304K          486
          vfscache            3         1025K            3
            newblk            1         1024K         9193
               pcb          267          790K        10398
            linker          380          582K          425
          inodedep            2          513K         3912
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          filedesc           56          441K         7019
           subproc          193          388K         4538
              vmem            3          274K            6
            acpica         1674          184K        54806
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            2          129K         3544
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
         sctp_stro           94           94K         2241
               BPF           46           88K           52
               bus          986           80K         3469
         sctp_atcl          207           78K         7244
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          511           64K          511
              umtx          418           53K          418
           kdtrace          266           51K        10187
              temp           36           35K         2831
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
          routetbl          139           19K          621
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1684
           lltable           43           14K          201
            KTRACE          100           13K          102
         sctp_atky          301           13K        10025
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
         in6_multi           65            9K           65
         sctp_timw           34            9K           34
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           82
               rpc            2            8K            2
         bmsafemap            1            8K         3829
             shmfd            1            8K           44
       pfs_vncache            1            8K            1
            kqueue           89            8K         4470
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
              cred           26            7K          274
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          517
           pwddesc           86            6K         4451
            DEVFSP           80            5K          631
          pf_ifnet           13            5K          100
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
           session           35            5K           52
                vt           11            5K           11
          pf_table            2            4K           51
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
             lockf           32            4K           60
             selfd           54            4K        69896
             hhook           15            4K           17
         sctp_athm          207            4K         7440
       fpukern_ctx            3            3K            3
          sctp_map          188            3K         4482
         proc-args           52            3K          676
          terminal           11            3K           11
            select           19            3K          159
           uidinfo            3            3K           14
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
       inpcbpolicy           58            2K         2498
            Unitno           29            2K           63
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
           tcp_fsb           12            2K          406
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          280
      NFSD session            1            1K            1
        CAM periph            4            1K          271
               osd           39            1K         1122
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
               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
         sctp_aadr           11            1K           29
            crypto            4            1K          273
 encap_export_host           12            1K           12
          procdesc            5            1K           14
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            5
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
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            ip6opt            0            0K          104
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            statfs            0            0K         3675
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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    8321    1131     1009946       0     254   38715392        0
           tcp_log    416       0   20007      194506       0     254    8322912        0
              mbuf    256    9894    1626     2284498       0     254    2949120        0
        RADIX NODE    144   14245    1010      161473       0      62    2196720        0
              pbuf   2624       0     762           0       0       2    1999488        0
          BUF TRIE    144     356   11404        8091       0      62    1693440        0
        malloc-384    384    4242      48        4401       0      30    1647360        0
        malloc-128    128   11314      32       11651       0     126    1452288        0
       malloc-4096   4096     327       3         657       0       2    1351680        0
      mbuf_cluster   2048     645       1         645       0     254    1323008        0
       UMA Slabs 0    112   10937       4       10937       0     126    1225392        0
         vmem btag     56   19566      65       19566       0     254    1099336        0
    ertt_txseginfo     40    4783   16023      480742       0     254     832240        0
         FFS inode   1160     539      21        4192       0       8     649600        0
        256 Bucket   2048     289      15       19191       0       8     622592        0
      malloc-16384  16384      28       8        3508       0       1     589824        0
       tcp_bbr_map    128      24    4502      176474       0     126     579328        0
       malloc-4096   4096     110       7        4986       0       2     479232        0
         VM OBJECT    264    1595     100       66484       0      30     447480        0
            THREAD   1808     178      31        5753       0       8     377872        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
         sctp_asoc   2288      94      51        2241       0     254     331760        0
         MAP ENTRY     96    2747     403      256772       0     126     302400        0
       malloc-2048   2048     114      32        4740       0       8     299008        0
         malloc-64     64    4192     407       74415       0     254     294336        0
             VNODE    448     578      70        4233       0      30     290304        0
      malloc-65536  65536       2       2          48       0       1     262144        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-16     16   14221     529       21172       0     254     236000        0
           sctp_ep   1280     113      70        4736       0     254     234240        0
      malloc-32768  32768       0       7        1079       0       1     229376        0
            DEVCTL   1024       0     220         153       0       0     225280        0
      malloc-65536  65536       0       3         476       0       1     196608        0
        malloc-256    256     110     655       22332       0      62     195840        0
         UMA Zones    768     242       2         242       0      16     187392        0
           VMSPACE   2544      59      13        4395       0       4     183168        0
         malloc-32     32    5366     178        5682       0     254     177408        0
        malloc-128    128    1261     103       33084       0     126     174592        0
            socket    944      91      85        8785       0     254     166144        0
       mbuf_packet    256      85     560       17643       0     254     165120        0
        malloc-128    128    1191      49        9477       0     126     158720        0
       FFS2 dinode    256     539      31        4192       0      62     145920        0
       malloc-2048   2048       4      66         511       0       8     143360        0
       malloc-1024   1024     102      38        2768       0      16     143360        0
       S VFS Cache    104    1029     336        4780       0     126     141960        0
              PROC   1336      86      19        4432       0       8     140280        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          21       0       1     131072        0
        sctp_raddr    736     101      75        2642       0     254     129536        0
            clpbuf   2624       0      48         833       0      16     125952        0
        128 Bucket   1024      89      30        2348       0      16     121856        0
        malloc-256    256     190     275       13312       0      62     119040        0
       malloc-1024   1024     110       6         127       0      16     118784        0
          ksiginfo    112      88     956        2891       0     126     116928        0
        malloc-384    384       1     299        3953       0      30     115200        0
         filedesc0   1072      86      19        4451       0       8     112560        0
       malloc-2048   2048       8      46       12124       0       8     110592        0
        malloc-384    384     207      73        7260       0      30     107520        0
      malloc-32768  32768       0       3         130       0       1      98304        0
      malloc-32768  32768       3       0           3       0       1      98304        0
      malloc-16384  16384       4       2         179       0       1      98304        0
        sctp_chunk    152     561      37        2095       0     254      90896        0
       malloc-8192   8192       4       7          34       0       1      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
        malloc-128    128     303     379        4099       0     126      87296        0
             tcpcb   1080      35      42        1111       0     254      83160        0
       malloc-8192   8192       5       5         137       0       1      81920        0
       malloc-8192   8192       6       2          17       0       1      65536        0
         64 Bucket    512     100      28        6541       0      30      65536        0
        malloc-256    256     164      76        5219       0      62      61440        0
             g_bio    408       0     150       37978       0      30      61200        0
        malloc-256    256     152      58         398       0      62      53760        0
       malloc-4096   4096      12       1          23       0       2      53248        0
         32 Bucket    256      71     124       12312       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-4096   4096      11       0          11       0       2      45056        0
         malloc-64     64     599      94       21782       0     254      44352        0
        malloc-256    256     114      51        1179       0      62      42240        0
           DIRHASH   1024      34       6          34       0      16      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4769     351        7215       0     254      40960        0
        malloc-384    384      79      21         245       0      30      38400        0
       tcp_bbr_pcb    832       8      37         395       0      16      37440        0
             NAMEI   1024       0      36       30546       0      16      36864        0
           pcpu-64     64     490      86         490       0     254      36864        0
         malloc-64     64     478      89         692       0     254      36288        0
             Files     80     280     170       20502       0     126      36000        0
              pipe    744      23      22         427       0      16      33480        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
     udplite_inpcb    496      10      54         851       0     254      31744        0
         TURNSTILE    136     210      21         210       0      62      31416        0
       malloc-1024   1024      13      15        1487       0      16      28672        0
             KNOTE    160      28     147       77467       0      62      28000        0
          8 Bucket     80      55     295        2138       0     126      28000        0
         tcp_inpcb    496      37      19        1111       0     254      27776        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-4096   4096       3       3        3679       0       2      24576        0
       malloc-2048   2048       6       6         357       0       8      24576        0
       malloc-2048   2048      12       0         203       0       8      24576        0
               PWD     32      38     718        3569       0     254      24192        0
         malloc-64     64     259     119        9038       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        SLEEPQUEUE     88     210      46         210       0     126      22528        0
      tcp_rack_pcb    832      12      15         406       0      16      22464        0
       malloc-4096   4096       2       3          85       0       2      20480        0
       malloc-4096   4096       2       3           5       0       2      20480        0
       malloc-2048   2048       4       6          53       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
        malloc-128    128      85      70        3612       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      35      15          37       0      30      19200        0
        malloc-384    384      39      11          39       0      30      19200        0
        malloc-256    256      43      32         410       0      62      19200        0
        malloc-256    256      22      53        3744       0      62      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       2       6         259       0       8      16384        0
       malloc-1024   1024      11       5          31       0      16      16384        0
        malloc-512    512       0      32         449       0      30      16384        0
        sctp_laddr     48      17     319        1400       0     254      16128        0
         malloc-64     64     139     113        4667       0     254      16128        0
         malloc-32     32     356     148       12747       0     254      16128        0
         16 Bucket    144      69      43         627       0      62      16128        0
      vtnet_tx_hdr     24       1     667      761619       0     254      16032        0
         udp_inpcb    496       6      26         377       0     254      15872        0
             unpcb    256      20      40        1504       0     254      15360        0
        malloc-256    256      36      24        1579       0      62      15360        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512      10      14         208       0      30      12288        0
        malloc-512    512      12      12          16       0      30      12288        0
      tcp_rack_map    112      24      84         912       0     126      12096        0
              ertt     72      35     133        1111       0     126      12096        0
         malloc-64     64      87     102         638       0     254      12096        0
         malloc-64     64     158      31         167       0     254      12096        0
         malloc-32     32     160     218         276       0     254      12096        0
         malloc-32     32     233     145        7874       0     254      12096        0
          2 Bucket     32      60     318        1116       0     254      12096        0
         malloc-16     16     346     404         673       0     254      12000        0
             ripcb    496       5      19         159       0     254      11904        0
              kenv    258      15      30        1038       0      30      11610        0
     routing nhops    256      27      18          34       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-1024   1024       2       6          14       0      16       8192        0
       malloc-1024   1024       2       6          82       0      16       8192        0
        malloc-512    512       3      13         281       0      30       8192        0
        malloc-512    512       6      10           6       0      30       8192        0
           pf tags    104       0      78          30       0     126       8112        0
           rtentry    176      30      16          34       0      62       8096        0
             tcptw     88       0      92           7       0     254       8096        0
              PGRP     88      35      57          52       0     126       8096        0
          rl_entry     40      86     116          86       0     254       8080        0
   sctp_asconf_ack     48       0     168          10       0     254       8064        0
sctp_stream_msg_out    112      52      20         514       0     254       8064        0
             udpcb     32      16     236        1228       0     254       8064        0
         malloc-64     64      12     114         101       0     254       8064        0
         malloc-32     32     137     115         230       0     254       8064        0
         malloc-32     32      23     229          73       0     254       8064        0
         malloc-32     32      38     214         874       0     254       8064        0
          4 Bucket     48       6     162         111       0     254       8064        0
         malloc-16     16      37     463        1118       0     254       8000        0
         malloc-16     16      16     484          39       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      29     471       29265       0     254       8000        0
         malloc-16     16     215     285        7734       0     254       8000        0
        malloc-128    128      25      37         128       0     126       7936        0
        malloc-128    128      23      39         441       0     126       7936        0
        malloc-128    128       7      55         524       0     126       7936        0
      tcp_log_node    120       0      66          10       0     126       7920        0
               AIO    208       0      38          43       0      62       7904        0
           cryptop    280       0      28          71       0      30       7840        0
             AIOCB    552       0      14          20       0      16       7728        0
        malloc-384    384       1      19         349       0      30       7680        0
        malloc-384    384       1      19          11       0      30       7680        0
            AIOLIO    272       0      28          20       0      30       7616        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55          85       0     126       6448        0
         domainset     40       0     126          70       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       1       7           4       0      30       4096        0
        malloc-512    512       0       8           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           1       0      62       4048        0
          tcpreass     48       0      84           1       0     254       4032        0
          sackhole     32       0     126           1       0     254       4032        0
         hostcache     64       2      61           2       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
              AIOP     32       4     122           4       0     254       4032        0
        sctp_readq    152       0      26         235       0     254       3952        0
            itimer    352       0      11           2       0      30       3872        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      15      24          20       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    304       0       0           0       0     254          0        0
          pf mtags     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
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    584       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     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
        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-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-16384  16384       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-512    512       0       0           0       0      30          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-freebsd-main 2021/07/13 20:22 freebsd-src 9c1c02093b90 70168d5c log report panic: ASan: Invalid access, 8-byte read in callout_process
ci-freebsd-main 2021/07/10 06:09 freebsd-src 105b68b42dd1 8f5a7b8c log report panic: ASan: Invalid access, 8-byte read in callout_process
ci-freebsd-i386 2021/07/23 04:36 freebsd-src 95f0da5be1e3 bc5f1d88 log report panic: ASan: Invalid access, 8-byte read in callout_process
ci-freebsd-main 2021/10/18 14:10 freebsd-src d95c0a12a2dd 0c5d9412 log report panic: ASan: Invalid access, NUM-byte read in callout_process
ci-freebsd-main 2021/08/15 16:46 freebsd-src 8afe9481cfa3 2489ab88 log report panic: ASan: Invalid access, NUM-byte read in callout_process