syzbot


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

Status: closed as invalid on 2022/04/17 13:27
Reported-by: syzbot+ded1bb1c5c55db9da7c4@syzkaller.appspotmail.com
First crash: 689d, last: 606d

Sample crash report:
login: panic: ASan: Invalid access, 8-byte read at 0xfffffe009ea03c88, UMAUseAfterFree(fd)
cpuid = 0
time = 1630933956
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009bf21890
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009bf219f0
vpanic() at vpanic+0x2c5/frame 0xfffffe009bf21ad0
panic() at panic+0xb5/frame 0xfffffe009bf21b90
__asan_load8_noabort() at __asan_load8_noabort+0x376/frame 0xfffffe009bf21c50
__mtx_lock_sleep() at __mtx_lock_sleep+0x4ea/frame 0xfffffe009bf21d90
__mtx_lock_flags() at __mtx_lock_flags+0x22e/frame 0xfffffe009bf21e80
sctp_findassociation_ep_addr() at sctp_findassociation_ep_addr+0x2c9/frame 0xfffffe009bf21f10
sctp_lower_sosend() at sctp_lower_sosend+0xc91/frame 0xfffffe009bf22400
sctp_sosend() at sctp_sosend+0x716/frame 0xfffffe009bf226a0
sosend() at sosend+0x11e/frame 0xfffffe009bf22710
kern_sendit() at kern_sendit+0x58d/frame 0xfffffe009bf22880
sendit() at sendit+0x2b0/frame 0xfffffe009bf228d0
sys_sendto() at sys_sendto+0x182/frame 0xfffffe009bf229f0
amd64_syscall() at amd64_syscall+0x425/frame 0xfffffe009bf22bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe009bf22bf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x289eea, rsp = 0x7fffdfffdf08, rbp = 0x7fffdfffdf70 ---
KDB: enter: panic
[ thread pid 886 tid 100168 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28e30aa(%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          0xb78928a4ce5c60a
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe009bf219d0
rbp         0xfffffe009bf219f0
rsi                        0x1
rdi         0xffffffff8408b740  cov_trace_pc
r8                         0x3
r9          0xfffffe009bf21508
r10                          0
r11         0xfffffe009e9fbfd0
r12         0xfffffe009e9fbac0
r13         0xfffffe009bf21a01
r14         0xffffffff82c76240  .str.18
r15         0xffffffff82c76240  .str.18
rip         0xffffffff817ab00b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28e30aa(%rip)
db> show proc
Process 886 (syz-executor.0) at 0xfffffe009ea26000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 794 at 0xfffffe00588a3000
 ABI: FreeBSD ELF64
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.0
 reaper: 0xfffffe0053d52538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009e9ea3e0
   (map 0xfffffe009e9ea3e0)
   (map.pmap 0xfffffe009e9ea4a0)
   (pmap 0xfffffe009e9ea500)
 threads: 3
100167                   RunQ                                syz-executor.0
100168                   Run     CPU 0                       syz-executor.0
100169                   Run     uwait   0xfffffe009e4ee180  syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  886   794   794     0  R       (threaded)                  syz-executor.0
100167                   RunQ                                syz-executor.0
100168                   Run     CPU 0                       syz-executor.0
100169                   Run     uwait   0xfffffe009e4ee180  syz-executor.0
  884     1   884     0  Ss      select  0xfffffe0057410ac0  rtsol
  882     1   882     0  Ss      select  0xfffffe0056b8d240  rtsol
  880     1   880     0  Ss      select  0xfffffe0056b8d2c0  rtsol
  876   803   436     0  S       kqread  0xfffffe005700b400  rtsol
  803   797   436     0  S       wait    0xfffffe0058b2e538  sh
  797   436   436     0  S       wait    0xfffffe009e4bd538  sh
  794   792   794     0  Ss      nanslp  0xffffffff8405af81  syz-executor.0
  792   790   790     0  S       (threaded)                  syz-execprog
100111                   S       uwait   0xfffffe009e486c00  syz-execprog
100124                   S       uwait   0xfffffe0058941a80  syz-execprog
100125                   S       kqread  0xfffffe0058b1a100  syz-execprog
100126                   S       uwait   0xfffffe009e4eea80  syz-execprog
100127                   S       uwait   0xfffffe009e4eeb80  syz-execprog
100128                   S       uwait   0xfffffe009e4eec80  syz-execprog
100129                   S       uwait   0xfffffe009e9d0b80  syz-execprog
  790   788   790     0  Ss      pause   0xfffffe00587580b0  csh
  788   694   788     0  Ss      select  0xfffffe0056b8d3c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056ff8cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00575f8cb0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583e50b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583e54b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583e58b0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583e5cb0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00574770b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00574774b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00574778b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8405af81  cron
  694     1   694     0  Ss      select  0xfffffe0056b8b840  sshd
  507     1   507     0  Ss      select  0xfffffe0056b8b8c0  syslogd
  436     1   436     0  Ss      wait    0xfffffe0058925000  devd
  435     1   435    65  Ss      select  0xfffffe0057410c40  dhclient
  350     1   350     0  Ss      select  0xfffffe0056b8bb40  dhclient
  347     1   347     0  Ss      select  0xfffffe0056b8bd40  dhclient
   23     0     0     0  DL      vlruwt  0xfffffe0058758538  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff84183360  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100085                   D       qsleep  0xffffffff84181060  [bufdaemon]
100088                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffffe00584d88e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b9580  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100083                   D       psleep  0xffffffff841ad0b8  [dom0]
100089                   D       launds  0xffffffff841ad0c4  [laundry: dom0]
100090                   D       umarcl  0xffffffff81eabff0  [uma]
   18     0     0     0  DL      -       0xffffffff83e120a0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84d89560  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84a9de20  [pf purge]
   15     0     0     0  DL      -       0xffffffff8417c280  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8417c280  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8417c280  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8417c280  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100048                   D       -       0xffffffff83c97840  [doneq0]
100049                   D       -       0xffffffff83c977c0  [async]
100082                   D       -       0xffffffff83c97640  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe000791a888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541b0d80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541b0d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841a7160  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100039                   D       -       0xffffffff8402e540  [g_event]
100040                   D       -       0xffffffff8402e580  [g_up]
100041                   D       -       0xffffffff8402e5c0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100029                   D       -       0xfffffe00081ecb00  [thr_0]
100030                   D       -       0xfffffe00081ecb80  [thr_1]
100031                   D       -       0xffffffff8417d608  [alloc_0]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: netisr 0]
100035                   I                                   [swi3: vm]
100036                   I                                   [swi1: hpts]
100037                   I                                   [swi1: hpts]
100050                   I                                   [irq24: virtio_pci0]
100051                   I                                   [irq25: virtio_pci0]
100052                   I                                   [irq26: virtio_pci0]
100053                   I                                   [irq27: virtio_pci0]
100054                   I                                   [irq28: virtio_pci1]
100055                   I                                   [irq29: virtio_pci1]
100056                   I                                   [irq30: virtio_pci1]
100057                   I                                   [irq31: virtio_pci1]
100058                   I                                   [irq32: virtio_pci1]
100063                   I                                   [irq10: virtio_pci2]
100065                   I                                   [irq1: atkbd0]
100066                   I                                   [irq12: psm0]
100067                   I                                   [swi0: uart uart++]
100075                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d52538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a8100  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402f440  [swapper]
100005                   D       -       0xfffffe00081f4800  [if_config_tqg_0]
100006                   D       -       0xfffffe00081f4600  [softirq_0]
100007                   D       -       0xfffffe00081f4400  [softirq_1]
100008                   D       -       0xfffffe00081f4200  [if_io_tqg_0]
100009                   D       -       0xfffffe00081f4000  [if_io_tqg_1]
100010                   D       -       0xfffffe0053deed00  [in6m_free taskq]
100011                   D       -       0xfffffe0053deeb00  [deferred_unmount ta]
100014                   D       -       0xfffffe0053dee500  [thread taskq]
100016                   D       -       0xfffffe0053dee100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0053df8e00  [kqueue_ctx taskq]
100018                   D       -       0xfffffe0053df8c00  [pci_hp taskq]
100019                   D       -       0xfffffe0053df8a00  [aiod_kick taskq]
100020                   D       -       0xfffffe0053df8800  [inm_free taskq]
100021                   D       -       0xfffffe0053df8600  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053df8600  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053df8600  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053df8600  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053df8100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053df8100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053df8100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053df8100  [linuxkpi_long_wq_3]
100038                   D       -       0xfffffe0053e00200  [firmware taskq]
100042                   D       -       0xfffffe0054188c00  [crypto_0]
100043                   D       -       0xfffffe0054188c00  [crypto_1]
100059                   D       -       0xfffffe0056eabd00  [vtnet0 rxq 0]
100060                   D       -       0xfffffe0056eabc00  [vtnet0 txq 0]
100061                   D       -       0xfffffe0056eabb00  [vtnet0 rxq 1]
100062                   D       -       0xfffffe0056eaba00  [vtnet0 txq 1]
100064                   D       vtbslp  0xfffffe0056b8be80  [virtio_balloon]
100068                   D       -       0xfffffe0056feaa00  [mca taskq]
100073                   D       -       0xffffffff82c7d1c0  [deadlkres]
100077                   D       -       0xfffffe0057407a00  [acpi_task_0]
100078                   D       -       0xfffffe0057407a00  [acpi_task_1]
100079                   D       -       0xfffffe0057407a00  [acpi_task_2]
100081                   D       -       0xfffffe0054188500  [CAM taskq]
db> show all locks
Process 886 (syz-executor.0) thread 0xfffffe009e9fbac0 (100168)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe009ea1a468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1422
shared rw sctp-info (sctp-info) r = 0 (0xfffffe00081b6428) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1291
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4217         4339K         4245
          tcp_hpts            6         3201K            6
         sysctloid        34389         2031K        34460
             vtbuf           24         1968K           46
              kobj          326         1304K          485
            newblk            9         1026K          622
          vfscache            3         1025K            3
               pcb           34          546K          258
          inodedep           30          523K          100
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          112          227K          948
            acpica         1674          184K        55623
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          355          140K          383
           pagedep            5          129K           44
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          116
               bus          986           80K         3488
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              umtx          308           39K          308
           kdtrace          186           37K         1057
          filedesc            5           37K           59
              temp           23           33K         1763
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           11           18K           11
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           34           15K         1693
            ifaddr           39           13K           41
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          133           12K          133
          routetbl           62           11K          222
         CAM queue            5           11K         1528
              GEOM           61           10K          489
              rman           84           10K          425
         bmsafemap            2            9K           67
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
            kqueue           55            8K          893
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
         taskqueue           63            7K           63
             ifnet            4            7K            4
            sglist            5            7K            5
           CAM DEV            3            6K          510
         sctp_timw           23            6K           23
              cred           23            6K          254
           lltable           19            6K           19
       ether_multi           68            6K           78
            dirrem           21            6K           49
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
         in6_multi           35            5K           35
            plimit           17            5K          360
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          pf_ifnet            7            4K           10
           acpisem           28            4K           28
             hhook           15            4K           17
           pwddesc           51            4K          887
           session           23            3K           37
          terminal           11            3K           11
          freefile           21            3K           47
         proc-args           43            3K          534
           uidinfo            3            3K           10
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           32            2K         9295
             lockf           16            2K           26
            Unitno           27            2K           41
           CAM XPT           22            2K          543
         sctp_atcl            4            2K          132
            select           11            2K           35
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           36
      NFSD session            1            1K            1
            ip6ndp            6            1K            7
          sctp_ifa            7            1K            8
            diradd            7            1K           64
        CAM periph            4            1K          271
             ipsec            3            1K            3
             mkdir            6            1K           64
          in_multi            3            1K            5
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          indirdep            2            1K            4
              pfil            4            1K            4
          procdesc            4            1K           10
              cdev            2            1K            2
          sctp_ifn            3            1K            8
         newdirblk            3            1K           32
       inpcbpolicy           12            1K          163
               mld            3            1K            3
              igmp            3            1K            3
    chacha20random            1            1K            1
               osd            7            1K           18
               tun            4            1K            4
            DEVFSP            5            1K           10
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
            soname            5            1K         3572
         sctp_atky            4            1K          176
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K           49
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
          sctp_vrf            1            1K            1
         sctp_athm            4            1K          132
              vnet            1            1K            1
           entropy            2            1K           40
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           47
          p1003.1b            1            1K            1
          filecaps            1            1K           82
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            6
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K            6
         sctp_aadr            0            0K            0
         sctp_stro            0            0K           44
         sctp_stri            0            0K            0
          sctp_map            0            0K           88
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
         htcp data            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        dctcp data            0            0K            0
          chd data            0            0K            0
        cubic data            0            0K            0
          cdg data            0            0K            0
        vegas data            0            0K            0
            mqdata            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
     vm_fictitious            0            0K            0
            vtfont            0            0K            0
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          savedino            0            0K           18
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lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     977       13323       0     254   38080512        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8587     968       16029       0     254    2446080        0
          BUF TRIE    144     172   11588         523       0      62    1693440        0
        malloc-384    384    4152       8        4152       0      30    1597440        0
        malloc-128    128   11277      38       11309       0     126    1448320        0
       malloc-4096   4096     327       3         579       0       2    1351680        0
       UMA Slabs 0    112   10114      35       10114       0     126    1136688        0
         vmem btag     56   15456      71       15456       0     254     869512        0
         FFS inode   1160     494      24         542       0       8     600880        0
        RADIX NODE    144    3223     132       23843       0      62     483120        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
      malloc-65536  65536       5       0           5       0       1     327680        0
            THREAD   1808     134      20         169       0       8     278432        0
       malloc-4096   4096      63       4         910       0       2     274432        0
         malloc-64     64    3893     391        5256       0     254     274176        0
         VM OBJECT    264     992      43       14252       0      30     273240        0
             VNODE    448     526      59         576       0      30     262080        0
        256 Bucket   2048     111      11       10819       0       8     249856        0
         malloc-16     16   14029     221       14089       0     254     228000        0
            DEVCTL   1024       4     216         132       0       0     225280        0
      malloc-65536  65536       1       2          57       0       1     196608        0
      malloc-65536  65536       3       0           3       0       1     196608        0
         malloc-32     32    5560     362        6134       0     254     189504        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-128    128    1337      27       26316       0     126     174592        0
        malloc-256    256      36     594         735       0      62     161280        0
       FFS2 dinode    256     494      31         541       0      62     134400        0
      malloc-65536  65536       0       2         136       0       1     131072        0
       malloc-1024   1024     114       6         330       0      16     122880        0
          ksiginfo    112      43    1001          82       0     126     116928        0
      malloc-16384  16384       3       4          30       0       1     114688        0
       S VFS Cache    104     998      94        1060       0     126     113568        0
         MAP ENTRY     96    1024     152       42205       0     126     112896        0
        malloc-128    128     682      31        4025       0     126      91264        0
          UMA Kegs    384     227       6         227       0      30      89472        0
            clpbuf   2624       0      32          20       0      16      83968        0
           VMSPACE   2544      28       5         865       0       4      83952        0
             g_bio    408       0     200        4962       0      30      81600        0
              PROC   1336      50      10         886       0       8      80160        0
        malloc-128    128     581      39        1258       0     126      79360        0
         filedesc0   1072      51      19         887       0       8      75040        0
       malloc-8192   8192       7       2         110       0       1      73728        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-16384  16384       4       0           4       0       1      65536        0
       malloc-2048   2048       4      28         541       0       8      65536        0
        128 Bucket   1024      38      21         612       0      16      60416        0
        malloc-256    256     191      34         650       0      62      57600        0
       malloc-8192   8192       7       0           7       0       1      57344        0
       malloc-2048   2048      11      17         859       0       8      57344        0
         malloc-64     64     816      66        2720       0     254      56448        0
        malloc-256    256     184      26        1319       0      62      53760        0
       malloc-4096   4096      11       2         551       0       2      53248        0
      malloc-16384  16384       1       2         161       0       1      49152        0
            socket    944      32      20        1475       0     254      49088        0
         malloc-64     64     534     159        1721       0     254      44352        0
        malloc-256    256     143      22         502       0      62      42240        0
         32 Bucket    256      51     114        5491       0      62      42240        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-1024   1024       4      36         533       0      16      40960        0
         64 Bucket    512      66      14        1304       0      30      40960        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       13078       0      16      36864        0
            pcpu-8      8    4347     261        4407       0     254      36864        0
        malloc-384    384      83       7          83       0      30      34560        0
            da_ccb    544       0      63        1355       0      16      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       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-1024   1024      22      10         969       0      16      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
        malloc-128    128      25     223         285       0     126      31744        0
           sctp_ep   1280       4      20          88       0     254      30720        0
        malloc-384    384      70      10          82       0      30      30720        0
              pipe    744      10      30         335       0      16      29760        0
        malloc-384    384      29      41         121       0      30      26880        0
       malloc-8192   8192       0       3          28       0       1      24576        0
       malloc-4096   4096       6       0           6       0       2      24576        0
       malloc-2048   2048      12       0          13       0       8      24576        0
       malloc-1024   1024      18       6          22       0      16      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
         sctp_asoc   2288       0      10          44       0     254      22880        0
         TURNSTILE    136     155      13         155       0      62      22848        0
       malloc-1024   1024       4      16          44       0      16      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      35      40         487       0      62      19200        0
        SLEEPQUEUE     88     155      37         155       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
        sctp_raddr    736       0      22          44       0     254      16192        0
         malloc-64     64     156      96        9437       0     254      16128        0
         16 Bucket    144      43      69         308       0      62      16128        0
         udp_inpcb    496       6      26         150       0     254      15872        0
        malloc-128    128      89      35         563       0     126      15872        0
       malloc-4096   4096       1       2         233       0       2      12288        0
       malloc-4096   4096       3       0           4       0       2      12288        0
       malloc-2048   2048       5       1           5       0       8      12288        0
       malloc-2048   2048       2       4          15       0       8      12288        0
       malloc-2048   2048       2       4           4       0       8      12288        0
        malloc-512    512      11      13          12       0      30      12288        0
    ertt_txseginfo     40       0     303         227       0     254      12120        0
         malloc-32     32     135     243         907       0     254      12096        0
         malloc-32     32     119     259        4061       0     254      12096        0
             Files     80     102      48        7275       0     126      12000        0
         malloc-16     16     496     254        1888       0     254      12000        0
          8 Bucket     80      42     108         655       0     126      12000        0
              kenv    258      15      30        1032       0      30      11610        0
             unpcb    256      14      31        1204       0     254      11520        0
        malloc-384    384       5      25         473       0      30      11520        0
        malloc-256    256      16      29         108       0      62      11520        0
       malloc-4096   4096       0       2           6       0       2       8192        0
       malloc-1024   1024       2       6           6       0      16       8192        0
        malloc-512    512       2      14           2       0      30       8192        0
        malloc-512    512       0      16          11       0      30       8192        0
        malloc-512    512       2      14          61       0      30       8192        0
        malloc-512    512       2      14          37       0      30       8192        0
           rtentry    176      17      29          21       0      62       8096        0
              PGRP     88      23      69          37       0     126       8096        0
          rl_entry     40      34     168          34       0     254       8080        0
        sctp_laddr     48       0     168          50       0     254       8064        0
             udpcb     32       6     246         150       0     254       8064        0
               PWD     32      12     240         128       0     254       8064        0
         malloc-64     64      24     102       13714       0     254       8064        0
         malloc-64     64      30      96          58       0     254       8064        0
         malloc-64     64      24     102         310       0     254       8064        0
         malloc-32     32      18     234         112       0     254       8064        0
         malloc-32     32      25     227         113       0     254       8064        0
         malloc-32     32      19     233         184       0     254       8064        0
         malloc-32     32      63     189         212       0     254       8064        0
         malloc-32     32      19     233          23       0     254       8064        0
          4 Bucket     48       5     163          46       0     254       8064        0
          2 Bucket     32      50     202         519       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1686       0     254       8016        0
             KNOTE    160      11      39         196       0      62       8000        0
         malloc-16     16      11     489         148       0     254       8000        0
         malloc-16     16      18     482          25       0     254       8000        0
         malloc-16     16      21     479          72       0     254       8000        0
         malloc-16     16      46     454       25747       0     254       8000        0
         malloc-16     16       0     500           6       0     254       8000        0
         malloc-16     16      14     486          14       0     254       8000        0
             ripcb    496       3      13           6       0     254       7936        0
        malloc-128    128      33      29          90       0     126       7936        0
        malloc-128    128      25      37          59       0     126       7936        0
     routing nhops    256      14      16          21       0      62       7680        0
       mbuf_packet    256       0      30         107       0     254       7680        0
        malloc-384    384      12       8          15       0      30       7680        0
        malloc-256    256      19      11          66       0      62       7680        0
        malloc-256    256      10      20         268       0      62       7680        0
             tcpcb   1080       3       4           7       0     254       7560        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       8      54           8       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       0       2          12       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-1024   1024       0       4           1       0      16       4096        0
       malloc-1024   1024       3       1           3       0      16       4096        0
        malloc-512    512       0       8         118       0      30       4096        0
        malloc-512    512       5       3           5       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
              ertt     72       3      53           7       0     126       4032        0
         malloc-64     64       2      61           2       0     254       4032        0
         tcp_inpcb    496       3       5           7       0     254       3968        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       0      10           1       0      30       3840        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb    832       0       0           0       0      16          0        0
      tcp_rack_map    112       0       0           0       0     126          0        0
     udplite_inpcb    496       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          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
         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-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-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 (23):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2021/09/06 13:16 freebsd-src bd11e253a9a4 6ca60148 console log report syz ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/08/13 05:12 freebsd-src c5bf58add0d5 3fd2ea69 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/08/01 03:32 freebsd-src ff01d6343f1f 6c236867 console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/08/03 17:24 freebsd-src 30e1773fdef4 6c236867 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/07/30 19:58 freebsd-src 0943200b1308 6c236867 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/07/29 06:02 freebsd-src e3707726c168 b44001ce console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/07/28 22:18 freebsd-src ac959cf54421 9a4781d4 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/07/25 16:43 freebsd-src feac06569a38 4d1b57d4 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/07/21 00:02 freebsd-src 75cb2382b84d e6a17580 console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in __mtx_lock_sleep
2021/10/11 11:26 freebsd-src dfe887b7d226 838e7e2c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/07 22:32 freebsd-src 686aa9287c6b 064c9eb7 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/06 11:19 freebsd-src bd11e253a9a4 6ca60148 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/08/31 18:51 freebsd-src 4a36122b1db1 7eb7e152 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/07 13:50 freebsd-src 94d9439b6be6 6ca60148 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/07 09:14 freebsd-src 936f4a42fa2a 6ca60148 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/06 21:40 freebsd-src bd11e253a9a4 6ca60148 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/06 17:13 freebsd-src bd11e253a9a4 6ca60148 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/05 22:50 freebsd-src bb61ccd530b7 d236a457 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/05 06:07 freebsd-src 1f7a6325fe1b d236a457 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/05 05:34 freebsd-src 1f7a6325fe1b d236a457 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/09/04 22:43 freebsd-src 88a3af4da1aa d236a457 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/08/30 21:32 freebsd-src e76c0e4f4563 8f58a0ef console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
2021/08/25 11:40 freebsd-src e62175df4ec2 b599f2fc console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in __mtx_lock_sleep
* Struck through repros no longer work on HEAD.