syzbot


panic: ASan: Invalid access, NUM-byte write at ADDR, StackMiddle(f2)

Status: auto-closed as invalid on 2022/03/13 10:25
Reported-by: syzbot+4d16cfa76eb13c31a32e@syzkaller.appspotmail.com
First crash: 888d, last: 888d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte write at ADDR, StackMiddle(f2) (2) 1 780d 780d 2/2 fixed on 2022/04/02 08:59
freebsd panic: ASan: Invalid access, NUM-byte write at ADDR, StackMiddle(f2) (3) 4274 410d 411d 2/2 fixed on 2023/04/05 06:23

Sample crash report:
panic: ASan: Invalid access, 8-byte write at 0xfffffe009e814560, StackMiddle(f2)
cpuid = 1
time = 1639391048
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009e814110
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009e814270
vpanic() at vpanic+0x2b8/frame 0xfffffe009e814350
panic() at panic+0xb5/frame 0xfffffe009e814420
kasan_report() at kasan_report+0xdc/frame 0xfffffe009e8144f0
vn_read_from_obj() at vn_read_from_obj+0x1ab/frame 0xfffffe009e8146a0
VOP_READ_PGCACHE_APV() at VOP_READ_PGCACHE_APV+0x74/frame 0xfffffe009e8146d0
vn_read() at vn_read+0x22f/frame 0xfffffe009e8148d0
vn_io_fault_doio() at vn_io_fault_doio+0x119/frame 0xfffffe009e814a10
vn_io_fault1() at vn_io_fault1+0x3fe/frame 0xfffffe009e814c70
vn_io_fault() at vn_io_fault+0x4ac/frame 0xfffffe009e814da0
aio_process_rw() at aio_process_rw+0x245/frame 0xfffffe009e814e60
aio_daemon() at aio_daemon+0x43a/frame 0xfffffe009e814ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe009e814f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe009e814f30
--- trap 0xc, rip = 0x28b530, rsp = 0x7fffff275548, rbp = 0x7fffff275570 ---
KDB: enter: panic
[ thread pid 885 tid 100109 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x250eeda(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0x58b5a3c9c632548b
rdx                        0x1
rbx                          0
rsp         0xfffffe009e814250
rbp         0xfffffe009e814270
rsi                          0
rdi         0xffffffff8175c9aa  vprintf+0x35a
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe009e7718b0
r12         0xfffffe0058bcbac0
r13         0xfffffe009e814201
r14         0xffffffff82b3f2e0  .str.18
r15         0xffffffff82b3f2e0  .str.18
rip         0xffffffff817501bb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x250eeda(%rip)
db> show proc
Process 885 (aiod3) at 0xfffffe0056de9548:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83c028e0
 ABI: null
 flag: 0x10000204  flag2: 0
 reaper: 0xffffffff83c028e0 reapsubtree: 885
 sigparent: 20
 vmspace: 0xfffffe00a6c22000
   (map 0xfffffe00a6c22000)
   (map.pmap 0xfffffe00a6c220c0)
   (pmap 0xfffffe00a6c22128)
 threads: 1
100109                   Run     CPU 1                       [aiod3]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
16615   875   875     0  R       (threaded)                  syz-executor.3
117072                   RunQ                                syz-executor.3
117709                   S       uwait   0xfffffe00a61f8280  syz-executor.3
16316 16315   779     0  SV      uwait   0xfffffe0053ef8200  syz-executor.2
16315     1   779     0  DV      ppwait  0xfffffe00a6ff6a40  syz-executor.2
16303 16301   779     0  SV      uwait   0xfffffe0053ef8500  syz-executor.2
16301     1   779     0  DV      ppwait  0xfffffe00a685cf88  syz-executor.2
16288     1   779     0  SV      uwait   0xfffffe009c1c2c80  syz-executor.2
16072     1   875     0  S       uwait   0xfffffe009c1c1080  syz-executor.3
16069     1   875     0  S       uwait   0xfffffe009e778400  syz-executor.3
16061     1   875     0  S       uwait   0xfffffe00a61f8880  syz-executor.3
16051     1   875     0  S       uwait   0xfffffe009c1c2000  syz-executor.3
12135     1   862     0  SV      uwait   0xfffffe00a61f8a80  syz-executor.0
12126     1   862     0  SV      uwait   0xfffffe00a61f8b80  syz-executor.0
12116     1   862     0  SV      uwait   0xfffffe00a61f8580  syz-executor.0
 7193     1  7193    65  Ss      select  0xfffffe00a756f1c0  dhclient
 4860     1  4860     0  Ss      select  0xfffffe00a652b740  dhclient
 4854     1  4854     0  Ss      select  0xfffffe00a662d8c0  dhclient
 4835     1  4835    65  Ss      select  0xfffffe00a662bdc0  dhclient
 4247     1  4247     0  Ss      select  0xfffffe00a652b5c0  dhclient
 4244     1  4244     0  Ss      select  0xfffffe00a653a340  dhclient
 4223     1  4223    65  Ss      select  0xfffffe00a6630cc0  dhclient
 3902     1   875     0  S       uwait   0xfffffe009e778600  syz-executor.3
 3232     1   862     0  SV      uwait   0xfffffe009c1c1780  syz-executor.0
 2933     1  2933     0  Ss      select  0xfffffe00a61fc7c0  dhclient
 2930     1  2930     0  Ss      select  0xfffffe00a6425440  dhclient
 2911     1  2911    65  Ss      select  0xfffffe00a653cd40  dhclient
 1160     1   779     0  S       uwait   0xfffffe009c1c2600  syz-executor.2
 1158     1   779     0  S       uwait   0xfffffe009c1c1680  syz-executor.2
 1153     1   779     0  S       uwait   0xfffffe009c1c2500  syz-executor.2
 1146     1   779     0  S       uwait   0xfffffe009c1c2700  syz-executor.2
 1138     1   779     0  S       uwait   0xfffffe009c1c3000  syz-executor.2
 1127     1   779     0  S       uwait   0xfffffe009e779900  syz-executor.2
 1116     1   779     0  S       uwait   0xfffffe009e778500  syz-executor.2
 1108     1   779     0  S       uwait   0xfffffe009c1c3700  syz-executor.2
 1096     1   779     0  S       uwait   0xfffffe009c1c3200  syz-executor.2
 1088     1   779     0  S       umtxn   0xfffffe009e779a00  syz-executor.2
 1076     1   779     0  S       uwait   0xfffffe0053c0bc80  syz-executor.2
 1067     1   779     0  SV      uwait   0xfffffe009c1c3600  syz-executor.2
 1064     1   779     0  S       uwait   0xfffffe009e779700  syz-executor.2
 1053     1   779     0  SV      uwait   0xfffffe009c1c2800  syz-executor.2
 1052     1   779     0  S       uwait   0xfffffe009e778800  syz-executor.2
 1041     1   779     0  SV      uwait   0xfffffe009e778b00  syz-executor.2
 1040     1   779     0  S       uwait   0xfffffe009c1c3800  syz-executor.2
 1031     1   779     0  SV      uwait   0xfffffe009c1c3500  syz-executor.2
 1030     1   779     0  S       uwait   0xfffffe009c1c3400  syz-executor.2
 1020     1   779     0  SV      uwait   0xfffffe009c1c2e80  syz-executor.2
 1019     1   779     0  S       uwait   0xfffffe009c1c3100  syz-executor.2
 1001     1   779     0  SV      uwait   0xfffffe0053c0b680  syz-executor.2
 1000     1   779     0  S       uwait   0xfffffe009e778900  syz-executor.2
  990     1   779     0  SV      uwait   0xfffffe009e779800  syz-executor.2
  989     1   779     0  S       uwait   0xfffffe009c1c4180  syz-executor.2
  978     1   779     0  SV      uwait   0xfffffe009c1c3b00  syz-executor.2
  977     1   779     0  S       uwait   0xfffffe0053c0a280  syz-executor.2
  969     1   779     0  SV      uwait   0xfffffe009e778a00  syz-executor.2
  966     1   779     0  S       uwait   0xfffffe009c1c3a00  syz-executor.2
  955     1   779     0  SV      uwait   0xfffffe0053c0bb80  syz-executor.2
  954     1   779     0  S       uwait   0xfffffe0053c0a800  syz-executor.2
  945     1   779     0  SV      uwait   0xfffffe009e779600  syz-executor.2
  943     1   779     0  S       uwait   0xfffffe009c1c3f00  syz-executor.2
  942     1   862     0  SV      sigwait 0xfffffe009eba50b0  syz-executor.0
  941     1   862     0  S       uwait   0xfffffe009c1c4280  syz-executor.0
  931   773   931     0  Rs                                  syz-executor.1
  929     1   929     0  Ss      select  0xfffffe0053c04c40  dhclient
  926     1   926     0  Ss      select  0xfffffe0053c04ec0  dhclient
  886     0     0     0  DL      aiordy  0xfffffe009eba6548  [aiod4]
  885     0     0     0  RL      CPU 1                       [aiod3]
  884     0     0     0  DL      aiordy  0xfffffe00a0ed3000  [aiod2]
  883     0     0     0  DL      aiordy  0xfffffe009f104000  [aiod1]
  875   773   875     0  Ss      nanslp  0xffffffff83c2c780  syz-executor.3
  871     1   862     0  SV      uwait   0xfffffe0053c0af00  syz-executor.0
  870     1   862     0  S       uwait   0xfffffe009c1c3d00  syz-executor.0
  862   773   862     0  Rs      CPU 0                       syz-executor.0
  779   773   779     0  Ss      nanslp  0xffffffff83c2c781  syz-executor.2
  773   771   771     0  S       (threaded)                  syz-fuzzer
100088                   S       uwait   0xfffffe0053c0b880  syz-fuzzer
100111                   S       uwait   0xfffffe0053c0eb80  syz-fuzzer
100112                   S       kqread  0xfffffe0053c99c00  syz-fuzzer
100113                   S       uwait   0xfffffe009e77a180  syz-fuzzer
100114                   S       uwait   0xfffffe009e77a280  syz-fuzzer
100115                   S       uwait   0xfffffe0053c0ad00  syz-fuzzer
100116                   S       uwait   0xfffffe009e77a380  syz-fuzzer
100118                   S       uwait   0xfffffe0053c0a180  syz-fuzzer
100120                   S       uwait   0xfffffe0053c0a380  syz-fuzzer
  771   769   771     0  Ss      pause   0xfffffe009f1065f8  csh
  769   687   769     0  Ss      select  0xfffffe0053c050c0  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00573494b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe005845a0b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe005845a4b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe005845a8b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe005845acb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe005845b0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005845b4b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005845b8b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005845bcb0  getty
  691     1   691     0  Ss      nanslp  0xffffffff83c2c780  cron
  687     1   687     0  Ss      select  0xfffffe0056d9a440  sshd
  500     1   500     0  Ss      select  0xfffffe0053c056c0  syslogd
  429     1   429     0  Ss      select  0xfffffe0053c05740  devd
  428     1   428    65  Ss      select  0xfffffe0053c059c0  dhclient
  343     1   343     0  Ss      select  0xfffffe0056d9a540  dhclient
  340     1   340     0  Ss      select  0xfffffe0053c05bc0  dhclient
   16     0     0     0  DL      syncer  0xffffffff83d51f40  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe0058604000  [vnlru]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff83d50560  [bufdaemon]
100081                   D       -       0xffffffff83011f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058b26ce8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff83d83a00  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83d778b8  [dom0]
100082                   D       launds  0xffffffff83d778c4  [laundry: dom0]
100083                   D       umarcl  0xffffffff81e41410  [uma]
    6     0     0     0  DL      -       0xffffffff839e8688  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff845811c0  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff84961530  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff8388a640  [doneq0]
100046                   D       -       0xffffffff8388a5c0  [async]
100075                   D       -       0xffffffff8388a440  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0053fc0c88  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83d73100  [crypto]
100042                   D       crypto_ 0xfffffe00543d2030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe00543d2080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83c01e80  [g_event]
100037                   D       -       0xffffffff83c01ea0  [g_up]
100038                   D       -       0xffffffff83c01ec0  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100020                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi3: vm]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053de2000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d73be0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83c028e0  [swapper]
100005                   D       -       0xfffffe0007966300  [if_config_tqg_0]
100006                   D       -       0xfffffe0007966200  [softirq_0]
100007                   D       -       0xfffffe0007966100  [softirq_1]
100008                   D       -       0xfffffe0007966000  [if_io_tqg_0]
100009                   D       -       0xfffffe0007965e00  [if_io_tqg_1]
100010                   D       -       0xfffffe0007965d00  [aiod_kick taskq]
100011                   D       -       0xfffffe0007965c00  [deferred_unmount ta]
100012                   D       -       0xfffffe0007965b00  [thread taskq]
100014                   D       -       0xfffffe0007965900  [linuxkpi_irq_wq]
100015                   D       -       0xfffffe0007965800  [kqueue_ctx taskq]
100016                   D       -       0xfffffe0007965700  [pci_hp taskq]
100018                   D       -       0xfffffe0007965500  [inm_free taskq]
100019                   D       -       0xfffffe0007965400  [in6m_free taskq]
100021                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0007965200  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0007965100  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0056da1300  [firmware taskq]
100039                   D       -       0xfffffe0056da1200  [crypto_0]
100040                   D       -       0xfffffe0056da1200  [crypto_1]
100056                   D       -       0xfffffe0056da1000  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0056da0e00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0056da0d00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0056da0c00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0056d9ae80  [virtio_balloon]
100065                   D       -       0xfffffe0056da0b00  [mca taskq]
100066                   D       -       0xffffffff82b44dc0  [deadlkres]
100071                   D       -       0xfffffe0056da0900  [acpi_task_0]
100072                   D       -       0xfffffe0056da0900  [acpi_task_1]
100073                   D       -       0xfffffe0056da0900  [acpi_task_2]
100074                   D       -       0xfffffe0056da1100  [CAM taskq]
16612   779   779     0  Z                                   syz-executor.2
db> show all locks
Process 931 (syz-executor.1) thread 0xfffffe009e7713a0 (100141)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe009eba7b20) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7849
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe009e7f8518) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7848
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe009e7f8450) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4274
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe009eba7a58) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4270
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4241
          tcp_hpts            6         3201K            6
               pcb         1796         2526K        20071
         sysctloid        34994         2061K        35065
             vtbuf           24         1968K           46
              kobj          322         1288K          481
            newblk            7         1026K        18870
          vfscache            3         1025K            3
          filedesc          114          906K        31308
         sctp_stro          872          872K         3294
         sctp_atcl         1756          659K        11365
          inodedep           12          517K        16770
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
           subproc          230          482K        16738
              intr            4          472K            4
              vmem            3          274K            5
            acpica         1674          184K        56282
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          353          134K          381
           pagedep            8          130K        15626
        tfo_ccache            1          128K            1
         sctp_atky         2628          110K        14725
            DEVFS1          109          109K          126
               sem            4          106K            4
               BPF           46           88K           68
               bus          973           80K         3426
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          505           64K          505
              umtx          462           58K          462
           kdtrace          308           57K        34329
              temp           34           33K         3459
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K           17
               msg            4           30K            4
         sctp_athm         1756           28K        11369
          sctp_map         1744           28K         6588
        gtaskqueue           18           26K           18
           pf_osfp          181           23K          181
         sctp_timw           88           22K           88
            kbdmux            6           22K            6
            ifaddr           71           21K           73
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
          routetbl          134           16K          428
            bus-sc           34           15K         1651
           lltable           43           14K           70
            KTRACE          101           13K          747
       ether_multi          157           13K          167
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          136           12K          136
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
            kqueue          111           10K        16688
         in6_multi           71            9K           71
         bmsafemap            2            9K        17349
              UART           12            9K           12
           devstat            4            9K            4
           pf_rule            4            8K            6
              ksem            1            8K          789
               rpc            2            8K            2
             shmfd            1            8K          103
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
           pwddesc          108            7K        16617
         taskqueue           63            7K           63
              cred           26            7K          246
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          504
       ufs_dirhash           24            5K           24
          pf_ifnet           11            5K           23
            DEVFSP           70            5K        10443
           session           35            5K          112
               UMA          268            5K          268
         proc-args          140            5K        17979
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
             lockf           33            4K          118
           acpisem           28            4K           28
             selfd           55            4K       249954
             hhook           15            4K           17
          kcovinfo           52            4K          247
          terminal           11            3K           11
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078     1657276       0     254   38494208        0
         sctp_asoc   2288     872    1163        3294       0     254    4656080        0
       malloc-2048   2048     885    1107        8206       0       8    4079616        0
        RADIX NODE    144   19872     367      391113       0      63    2914416        0
           sctp_ep   1272     884    1402        8067       0     254    2907792        0
              mbuf    256    9442    1227     2663453       0     254    2731264        0
              pbuf   2624       0     989           0       0       2    2595136        0
           tcp_log    416       0    5589      150517       0     254    2325024        0
      mbuf_cluster   2048    1016       0        1016       0     254    2080768        0
       malloc-1024   1024     880    1008        6399       0      16    1933312        0
          BUF TRIE    144     199   11589        3484       0      62    1697472        0
        malloc-384    384    4117      23        4117       0      30    1589760        0
        malloc-128    128   11529     189       14920       0     126    1499904        0
        sctp_raddr    736     872    1163        3309       0     254    1497760        0
        malloc-384    384    1757    2113       11427       0      30    1486080        0
       malloc-4096   4096     345       1        1044       0       2    1417216        0
       UMA Slabs 0    112   12525      33       12525       0     126    1406496        0
         vmem btag     56   23011      68       23011       0     254    1292424        0
      malloc-16384  16384      59       7       15807       0       1    1081344        0
         VM OBJECT    264    3435     210      363903       0      31     962280        0
        malloc-384    384      68    1942       16917       0      30     771840        0
         FFS inode   1160     553      28       17118       0       8     673960        0
             tcpcb   1096       4     507        4918       0     254     560056        0
        malloc-256    256      80    2095       40727       0      62     556800        0
       malloc-4096   4096     127       7       16737       0       2     548864        0
         MAP ENTRY     96    5161     509      894469       0     126     544320        0
        malloc-256    256     980    1135        9447       0      62     541440        0
        256 Bucket   2048     250      14        6077       0       8     540672        0
        malloc-256    256      70    1985       35657       0      62     526080        0
            socket    960      81     427       16123       0     254     487680        0
            THREAD   1808     197      34       17710       0       8     417648        0
          lkpicurr    168       2    2350           2       0      62     395136        0
      malloc-65536  65536       6       0           6       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
         tcp_inpcb    496       5     763        4918       0     254     380928        0
        malloc-128    128     688    2102       18364       0     126     357120        0
        sctp_chunk    152     915    1139        1954       0     254     312208        0
             VNODE    448     594      99       17161       0      30     310464        0
       tcp_bbr_map    128       0    2294       15141       0     126     293632        0
         malloc-64     64    4081     266        4472       0     254     278208        0
       mbuf_packet    256     355     661       27860       0     254     260096        0
             ripcb    496       5     507        1154       0     254     253952        0
     udplite_inpcb    496       0     512          72       0     254     253952        0
         udp_inpcb    496       6     506         339       0     254     253952        0
           VMSPACE   2552      87       9       16577       0       4     244992        0
         malloc-16     16   14584     416       31861       0     254     240000        0
            DEVCTL   1024       0     220         155       0       0     225280        0
     FPU_save_area    832     199      44       24857       0      16     202176        0
      malloc-32768  32768       0       6         857       0       1     196608        0
        malloc-128    128    1242     277       78567       0     126     194432        0
         malloc-32     32    5613     309        5898       0     254     189504        0
         UMA Zones    768     240       4         240       0      16     187392        0
       FFS2 dinode    256     553     137       17118       0      62     176640        0
              PROC   1352     109      11       16617       0       8     162240        0
        128 Bucket   1024      99      48        4606       0      16     150528        0
         malloc-64     64     894    1437        7965       0     254     149184        0
       S VFS Cache    104    1022     382       18103       0     126     146016        0
         filedesc0   1072     108      25       16617       0       8     142576        0
    ertt_txseginfo     40       0    3333       70409       0     254     133320        0
         malloc-32     32    1776    2382       13173       0     254     133056        0
      malloc-65536  65536       1       1           9       0       1     131072        0
      malloc-65536  65536       0       2         199       0       1     131072        0
       malloc-1024   1024     109      19         246       0      16     131072        0
             unpcb    256      46     464        1531       0     254     130560        0
        malloc-256    256     316     194       18575       0      62     130560        0
         malloc-16     16    3538    4462       20215       0     254     128000        0
       malloc-2048   2048      10      48        1233       0       9     118784        0
         64 Bucket    512     161      71       15003       0      30     118784        0
sctp_stream_msg_out    112     246     798        1888       0     254     116928        0
          ksiginfo    112     112     932        7748       0     126     116928        0
              pipe    744      23     107        1544       0      16      96720        0
          UMA Kegs    384     226       7         226       0      30      89472        0
        malloc-128    128     498     153        1249       0     126      83328        0
         32 Bucket    256     186     129        3230       0      62      80640        0
        sctp_readq    152       0     520           3       0     254      79040        0
       malloc-8192   8192       9       0           9       0       1      73728        0
             g_bio    408       0     180       30466       0      30      73440        0
         malloc-64     64     478     593       11094       0     254      68544        0
         malloc-64     64     519     552       17854       0     254      68544        0
        malloc-128    128     317     210         983       0     126      67456        0
        malloc-128    128     292     235         455       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1         136       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2           4       0       1      65536        0
        malloc-256    256     137     118         157       0      62      65280        0
        malloc-384    384     122      28         462       0      30      57600        0
         malloc-64     64     292     527      260841       0     254      52416        0
             Files     80     265     385       58466       0     126      52000        0
        malloc-256    256      21     174       33984       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       96021       0      16      49152        0
      malloc-16384  16384       0       3          15       0       1      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       3       3         132       0       1      49152        0
       malloc-8192   8192       3       3          29       0       1      49152        0
       malloc-2048   2048      11      13          76       0       8      49152        0
       malloc-1024   1024      28      20          41       0      16      49152        0
      tcp_rack_pcb    896       0      54        3211       0      16      48384        0
       tcp_bbr_pcb    832       0      54         940       0      16      44928        0
          syncache    168       0     264           4       0     254      44352        0
         TURNSTILE    136     232      83         232       0      62      42840        0
            clpbuf   2624       0      16          25       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4765     355        5123       0     254      40960        0
            da_ccb    544       0      70        7734       0      16      38080        0
         hostcache     64       3     564           3       0     254      36288        0
               PWD     32      54    1080       15692       0     254      36288        0
         malloc-64     64     108     459       16618       0     254      36288        0
         malloc-64     64     181     386       21664       0     254      36288        0
         malloc-64     64     157     410       16727       0     254      36288        0
         16 Bucket    144     137     115         813       0      62      36288        0
          8 Bucket     80     172     278        3595       0     126      36000        0
        malloc-128    128      11     268          12       0     126      35712        0
        malloc-128    128      71     208       15807       0     126      35712        0
     routing nhops    256      27     108          35       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      52      38          52       0      30      34560        0
        malloc-256    256      45      90        1312       0      62      34560        0
        malloc-256    256      48      87         921       0      62      34560        0
        SLEEPQUEUE     88     232     152         232       0     126      33792        0
      malloc-32768  32768       0       1         120       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       1       1          16       0       1      32768        0
       malloc-4096   4096       8       0           8       0       2      32768        0
       malloc-2048   2048       6      10           8       0       8      32768        0
       malloc-2048   2048       2      14         108       0       8      32768        0
       malloc-2048   2048       7       9          23       0       8      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
       malloc-1024   1024      12      20         210       0      16      32768        0
       malloc-1024   1024       2      30          19       0      16      32768        0
       malloc-1024   1024       2      30           2       0      16      32768        0
        malloc-512    512       2      62         169       0      30      32768        0
        malloc-512    512       2      62           2       0      30      32768        0
        malloc-512    512      13      51          97       0      30      32768        0
        malloc-512    512       8      56          45       0      30      32768        0
           pcpu-64     64     479      33         479       0     254      32768        0
             KNOTE    160      28     172      175277       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
      tcp_rack_map    120       0     264        6532       0     126      31680        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48      28     560          74       0     254      28224        0
          4 Bucket     48       5     583         399       0     254      28224        0
          2 Bucket     32      61     821        2057       0     254      28224        0
               AIO    208       1     132          94       0      62      27664        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-4096   4096       2       4       16297       0       2      24576        0
           rtentry    176      31     107          35       0      62      24288        0
              PGRP     88      35     241         112       0     126      24288        0
          rl_entry     40     101     505         101       0     254      24240        0
        malloc-384    384       1      59           2       0      30      23040        0
             udpcb     32       6     624         411       0     254      20160        0
              AIOP     32       4     626           4       0     254      20160        0
              ertt     72       4     276        4918       0     126      20160        0
         malloc-32     32      45     585          56       0     254      20160        0
         malloc-32     32      83     547         230       0     254      20160        0
         malloc-32     32     111     519       15849       0     254      20160        0
         malloc-32     32     161     469        6723       0     254      20160        0
         malloc-32     32      38     592         827       0     254      20160        0
         malloc-32     32      41     589       12495       0     254      20160        0
             AIOCB    552       1      34          60       0      16      19320        0
       Mountpoints   2752       2       5           2       0       4      19264        0
            AIOLIO    272       0      70         119       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-4096   4096       0       4           6       0       2      16384        0
       malloc-4096   4096       0       4         641       0       2      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-1024   1024       8       8           9       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       0      32         145       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       3     508           3       0     254      16352        0
      vtnet_tx_hdr     24       0     668      842428       0     254      16032        0
              kenv    258      15      45        1045       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       3     508           3       0     254      12264        0
         malloc-16     16      12     738        4931       0     254      12000        0
         malloc-16     16      29     721         182       0     254      12000        0
         malloc-16     16     298     452         458       0     254      12000        0
         malloc-16     16      12     738          64       0     254      12000        0
         malloc-16     16     183     567        1653       0     254      12000        0
         malloc-16     16      15     735       39420       0     254      12000        0
        malloc-384    384      22       8          22       0      30      11520        0
        malloc-384    384      27       3          27       0      30      11520        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16       7     249           7       0     254       4096        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
           NCLNODE    608       0       0           0       0      16          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/12/13 10:24 freebsd-src dabd8bf9145a 49ca1f59 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte write at ADDR, StackMiddle(f2)
* Struck through repros no longer work on HEAD.