syzbot


panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE

Status: closed as dup on 2021/12/31 22:13
Reported-by: syzbot+da6ac5b701edd8742342@syzkaller.appspotmail.com
First crash: 1058d, last: 1057d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE C 33 1057d 1058d

Sample crash report:
panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:2685
cpuid = 0
time = 1641004120
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b515b0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b51710
vpanic() at vpanic+0x2b8/frame 0xfffffe0053b517f0
panic() at panic+0xb5/frame 0xfffffe0053b518c0
__mtx_assert() at __mtx_assert+0x224/frame 0xfffffe0053b51910
sched_add() at sched_add+0x68/frame 0xfffffe0053b51950
handleevents() at handleevents+0x3c7/frame 0xfffffe0053b519b0
hardclockintr() at hardclockintr+0x1fc/frame 0xfffffe0053b51a90
ipi_bitmap_handler() at ipi_bitmap_handler+0x1a8/frame 0xfffffe0053b51c30
Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe0053b51c30
--- interrupt, rip = 0xffffffff82128cad, rsp = 0xfffffe0053b51d00, rbp = 0xfffffe0053b51d30 ---
spinlock_exit() at spinlock_exit+0xcd/frame 0xfffffe0053b51d30
sched_idletd() at sched_idletd+0xc21/frame 0xfffffe0053b51ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0053b51f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053b51f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 11 tid 100003 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x250ff3a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xe52d648fbca93895
rdx                        0x1
rbx                          0
rsp         0xfffffe0053b516f0
rbp         0xfffffe0053b51710
rsi                          0
rdi         0xffffffff81761dfa  vprintf+0x35a
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe009ea5a190
r12         0xfffffe0053df93a0
r13         0xfffffe0053b51701
r14         0xffffffff82b547c0  .str.18
r15         0xffffffff82b547c0  .str.18
rip         0xffffffff8175535b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x250ff3a(%rip)
db> show proc
Process 11 (idle) at 0xfffffe0053df5a90:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83c08aa0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83c08aa0 reapsubtree: 11
 sigparent: 20
 vmspace: 0xffffffff83c09a40
   (map 0xffffffff83c09a40)
   (map.pmap 0xffffffff83c09b00)
   (pmap 0xffffffff83c09b68)
 threads: 2
100003                   Run     CPU 0                       [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 8134   777  8134     0  Ss      (threaded)                  syz-executor.0
100765                   S       nanslp  0xffffffff83c32941  syz-executor.0
108082                   S       connec  0xfffffe0058c7b49a  syz-executor.0
108088                   S       uwait   0xfffffe009ea5e280  syz-executor.0
 8131   811   811     0  S       (threaded)                  syz-executor.3
106537                   S       nanslp  0xffffffff83c32941  syz-executor.3
108079                   S       connec  0xfffffe0058c7b0da  syz-executor.3
108086                   S       uwait   0xfffffe009ea5df00  syz-executor.3
 7181     1  7181    65  Ss      select  0xfffffe009eb71e40  dhclient
 6083     1  6083     0  Ss      select  0xfffffe009eb724c0  dhclient
 6080     1  6080     0  Ss      select  0xfffffe009eb72040  dhclient
 6061     1  6061    65  Ss      select  0xfffffe009eb721c0  dhclient
 3546     1  3546     0  Ss      select  0xfffffe009eb73040  dhclient
 3543     1  3543     0  Ss      select  0xfffffe009eb733c0  dhclient
 3513     1  3513    65  Ss      select  0xfffffe00081e54c0  dhclient
 2239     1   777     0  S       uwait   0xfffffe009eb23300  syz-executor.0
 2238     1   777     0  S       uwait   0xfffffe009ea5ee80  syz-executor.0
 2229     1   777     0  S       uwait   0xfffffe009ea5e480  syz-executor.0
 2228     1   777     0  S       umtxn   0xfffffe009ea5e780  syz-executor.0
 1986     1  1986     0  Ss      select  0xfffffe00081e50c0  dhclient
 1983     1  1983     0  Ss      select  0xfffffe009eb72c40  dhclient
 1964     1  1964    65  Ss      select  0xfffffe009eb739c0  dhclient
 1298     1  1298     0  Ss      select  0xfffffe00571d7940  dhclient
 1295     1  1295     0  Ss      select  0xfffffe009eb734c0  dhclient
  851     0     0     0  DL      aiordy  0xfffffe009ec4da90  [aiod4]
  848     0     0     0  DL      aiordy  0xfffffe009ea67000  [aiod3]
  847     0     0     0  DL      aiordy  0xfffffe009ec4f000  [aiod2]
  845     0     0     0  DL      aiordy  0xfffffe0058cbda90  [aiod1]
  811   774   811     0  Ss      nanslp  0xffffffff83c32941  syz-executor.3
  786   774   786     0  Ss      piperd  0xfffffe0058bb02e8  syz-executor.2
  778   774   778     0  Ss      piperd  0xfffffe0058bb2000  syz-executor.1
  777   774   777     0  Ss      nanslp  0xffffffff83c32940  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100091                   S       uwait   0xfffffe0007971000  syz-fuzzer
100111                   S       uwait   0xfffffe009ea60180  syz-fuzzer
100112                   S       uwait   0xfffffe009ea60280  syz-fuzzer
100113                   S       uwait   0xfffffe0007970980  syz-fuzzer
100114                   S       uwait   0xfffffe0007970a80  syz-fuzzer
100115                   S       uwait   0xfffffe0007970b80  syz-fuzzer
100116                   S       uwait   0xfffffe009ea5f000  syz-fuzzer
100117                   S       uwait   0xfffffe009ea5f100  syz-fuzzer
100979                   S       uwait   0xfffffe009ea5e880  syz-fuzzer
101316                   S       kqread  0xfffffe0053fac900  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffffe009ea67b40  csh
  770   688   770     0  Ss      select  0xfffffe009eb73dc0  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00572330b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00543f5cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00543f64b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00543f6cb0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00543f74b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00543f7cb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00543f84b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00543f8cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00576da4b0  getty
  692     1   692     0  Ss      nanslp  0xffffffff83c32941  cron
  688     1   688     0  Ss      select  0xfffffe00081e52c0  sshd
  501     1   501     0  Ss      select  0xfffffe00571d78c0  syslogd
  430     1   430     0  Ss      select  0xfffffe00081e53c0  devd
  429     1   429    65  Ss      select  0xfffffe00571d77c0  dhclient
  344     1   344     0  Ss      select  0xfffffe00081e51c0  dhclient
  341     1   341     0  Ss      select  0xfffffe00081e5340  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe00587b0548  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff83d58140  [syncer]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff83d56760  [bufdaemon]
100081                   D       -       0xffffffff83011f80  [bufspacedaemon-0]
100090                   D       sdflush 0xfffffe00079644e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d89c40  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83d7daf8  [dom0]
100082                   D       launds  0xffffffff83d7db04  [laundry: dom0]
100083                   D       umarcl  0xffffffff81e53a90  [uma]
    7     0     0     0  DL      -       0xffffffff839ee808  [rand_harvestq]
    6     0     0     0  DL      waiting 0xffffffff846b3300  [sctp_iterator]
    5     0     0     0  DL      pftm    0xffffffff84964530  [pf purge]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838907c0  [doneq0]
100046                   D       -       0xffffffff83890740  [async]
100075                   D       -       0xffffffff838905c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe00570d2488  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83d79340  [crypto]
100042                   D       crypto_ 0xfffffe0053fad030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053fad080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83c08000  [g_event]
100037                   D       -       0xffffffff83c08020  [g_up]
100038                   D       -       0xffffffff83c08040  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100029                   CanRun                              [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100020                   I                                   [swi6: task queue]
100031                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi3: busdma]
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++]
100067                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   Run     CPU 0                       [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053df6000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d79e20  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83c08aa0  [swapper]
100005                   D       -       0xfffffe00081dc500  [if_io_tqg_0]
100006                   D       -       0xfffffe00081dc400  [if_io_tqg_1]
100007                   D       -       0xfffffe00081dc300  [if_config_tqg_0]
100008                   D       -       0xfffffe00081dc200  [softirq_0]
100009                   D       -       0xfffffe00081dc100  [softirq_1]
100011                   D       -       0xfffffe00081dbd00  [aiod_kick taskq]
100012                   D       -       0xfffffe00081dbc00  [linuxkpi_irq_wq]
100013                   D       -       0xfffffe00081dbb00  [inm_free taskq]
100014                   D       -       0xfffffe00081dba00  [in6m_free taskq]
100015                   D       -       0xfffffe00081db900  [deferred_unmount ta]
100016                   D       -       0xfffffe00081db800  [thread taskq]
100018                   D       -       0xfffffe00081db500  [kqueue_ctx taskq]
100019                   D       -       0xfffffe00081db400  [pci_hp taskq]
100021                   D       -       0xfffffe00081db100  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00081db100  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00081db100  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00081db100  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00081db000  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00081db000  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00081db000  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00081db000  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0053f0ad00  [firmware taskq]
100039                   D       -       0xfffffe0053f0ac00  [crypto_0]
100040                   D       -       0xfffffe0053f0ac00  [crypto_1]
100056                   D       -       0xfffffe0053f0a400  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0053f0a300  [vtnet0 txq 0]
100058                   D       -       0xfffffe0053f0a200  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0053f0a100  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe00571b3580  [virtio_balloon]
100065                   D       -       0xffffffff82b5a2a1  [deadlkres]
100070                   D       -       0xfffffe0053f09300  [acpi_task_0]
100071                   D       -       0xfffffe0053f09300  [acpi_task_1]
100072                   D       -       0xfffffe0053f09300  [acpi_task_2]
100073                   D       -       0xfffffe00081de100  [mca taskq]
100074                   D       -       0xfffffe0053f0a900  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            6         4801K            6
            devbuf         4213         4323K         4241
         sysctloid        35454         2089K        35525
             vtbuf           24         1968K           46
              kobj          322         1288K          481
            newblk           10         1027K         7741
          vfscache            3         1025K            3
               pcb          407          969K        16894
          inodedep          333          637K         7268
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          145          283K         8222
              vmem            3          274K            5
            acpica         1674          184K        56282
          filedesc           22          169K        14343
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          354          134K          382
           pagedep            9          130K         7174
        tfo_ccache            1          128K            1
         sctp_stro          122          122K         2847
         sctp_atcl          315          119K        11392
            DEVFS1          109          109K          126
               sem            4          106K            4
               BPF           46           88K           53
            dirrem          323           81K         7186
               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
              cred          217           55K         1032
           kdtrace          224           45K        16228
              umtx          352           44K          352
          freefile          323           41K         7182
              temp           34           33K         3832
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K            4
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           71           21K           73
        DEVFS_RULE           56           20K           56
         sctp_atky          437           18K        14573
         sctp_timw           68           17K           68
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          135           16K          427
           ithread           93           15K           93
            bus-sc           34           15K         1651
           lltable           45           14K           65
       ether_multi          157           13K          167
            KTRACE          100           13K          100
             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
         in6_multi           71            9K           71
         bmsafemap            2            9K         7236
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            8
               rpc            2            8K            2
             shmfd            1            8K            9
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
            kqueue           65            7K         8149
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          409
         sctp_athm          315            5K        11542
       ufs_dirhash           24            5K           24
           session           36            5K          671
               UMA          272            5K          272
          pf_ifnet           10            5K           19
            DEVFSP           68            5K          287
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           pwddesc           63            4K         8139
          sctp_map          244            4K         5694
           acpisem           28            4K           28
         proc-args           94            4K         9457
             selfd           55            4K       117806
             lockf           32            4K           54
             hhook           15            4K           17
          kcovinfo           52            4K           52
          terminal           11            3K           11
            select           19            3K           58
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           15
            Unitno           27            2K           47
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K         7163
           softdep            1            1K            1
             mkdir            8            1K        14310
          freeblks            4            1K         7162
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           34
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           15
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           18
       inpcbpolicy           19            1K         2085
         sctp_stri            1            1K          260
         newdirblk            4            1K         7155
            diradd            4            1K         7225
            CC Mem            8            1K         1822
              pfil            4            1K            4
              cdev            2            1K            2
               osd           12            1K         1833
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
            soname            6            1K        13295
           tcp_fsb            1            1K          861
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
             xform            2            1K          254
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
          filecaps            5            1K          112
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           42
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         4433
         sctp_iter            0            0K           12
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           12
         sctp_aadr            0            0K            4
            tcp_do            0            0K            0
           filemon            0            0K           24
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
               ixl            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
          xen_intr            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
           xen_hvm            0            0K            0
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tiDeviceHandle_t * malloc            0            0K            0
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ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8326    1072     1002611       0     254   38494208        0
           tcp_log    416      17   10144       61475       0     254    4226976        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8853     810     1631664       0     254    2473728        0
        malloc-384    384    4479     141       15556       0      30    1774080        0
        RADIX NODE    144   11392     475      226481       0      63    1708848        0
       malloc-4096   4096     408       8        9267       0       2    1703936        0
          BUF TRIE    144     181   11607         761       0      62    1697472        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11641      77       11712       0     126    1499904        0
       UMA Slabs 0    112   11000      10       11000       0     126    1233120        0
         sctp_asoc   2288     122     388        2847       0     254    1166880        0
         vmem btag     56   19655      40       19655       0     254    1102920        0
         FFS inode   1160     516      30        7698       0       8     633360        0
           sctp_ep   1208     192     318        8413       0     254     616080        0
         VM OBJECT    264    2122     188      131592       0      30     609840        0
        malloc-384    384     332    1168        7889       0      30     576000        0
             tcpcb   1096       8     503        1822       0     254     560056        0
        256 Bucket   2048     245      19        3998       0       8     540672        0
       malloc-2048   2048     194      54        9691       0       8     507904        0
            socket    960     116     392       11789       0     254     487680        0
        malloc-256    256     523    1217       15382       0      62     445440        0
       tcp_bbr_map    128    2150    1260       10357       0     126     436480        0
        malloc-256    256      11    1549       14379       0      62     399360        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
        sctp_raddr    736     127     390        3067       0     254     380512        0
       malloc-1024   1024     258      62        3018       0      16     327680        0
         tcp_inpcb    424       8     757        1822       0     254     324360        0
            THREAD   1808     160      16        8088       0       8     318208        0
         MAP ENTRY     96    2695     581      312946       0     126     314496        0
             VNODE    448     554     112        7738       0      30     298368        0
      malloc-16384  16384      11       6        7170       0       1     278528        0
         malloc-64     64    3894     453        4039       0     254     278208        0
        malloc-128    128     719    1327       14860       0     126     261888        0
    ertt_txseginfo     40    2158    4205       45526       0     254     254520        0
         malloc-16     16   14672     328       19547       0     254     240000        0
            DEVCTL   1024       0     220         155       0       0     225280        0
             ripcb    424       5     508          21       0     254     217512        0
     udplite_inpcb    424       0     513          39       0     254     217512        0
         udp_inpcb    424       6     507         203       0     254     217512        0
      malloc-65536  65536       1       2          37       0       1     196608        0
      malloc-65536  65536       1       2         195       0       1     196608        0
       mbuf_packet    256      79     683       11267       0     254     195072        0
        malloc-128    128    1365     154       28820       0     126     194432        0
         UMA Zones    768     244       0         244       0      16     187392        0
         malloc-32     32    5345     325        6216       0     254     181440        0
     FPU_save_area    832     162      54       12133       0      16     179712        0
       FFS2 dinode    256     516     114        7698       0      62     161280        0
       S VFS Cache    104    1014     390        8619       0     126     146016        0
           VMSPACE   2552      42      15        8124       0       4     145464        0
             unpcb    256      20     490        1253       0     254     130560        0
       malloc-8192   8192      12       3          38       0       1     122880        0
        128 Bucket   1024      84      31        1996       0      16     117760        0
          ksiginfo    112      71     973        4177       0     126     116928        0
       malloc-2048   2048      10      46         517       0       8     114688        0
        malloc-256    256     299     136        8520       0      62     111360        0
        malloc-256    256     237     198        9166       0      62     111360        0
              PROC   1352      62      19        8138       0       8     109512        0
        malloc-128    128     591     184        1496       0     126      99200        0
         filedesc0   1072      63      28        8139       0       8      97552        0
        malloc-256    256     260     115        8576       0      62      96000        0
       malloc-4096   4096      21       1          32       0       2      90112        0
          UMA Kegs    384     230       3         230       0      30      89472        0
         64 Bucket    512     120      48        5411       0      30      86016        0
        malloc-384    384     158      52         540       0      30      80640        0
        sctp_readq    152       2     518         213       0     254      79040        0
        sctp_chunk    152      93     427         535       0     254      79040        0
              pipe    744      23      77         514       0      16      74400        0
             g_bio    408       0     180        6209       0      30      73440        0
         malloc-64     64     741     330       25823       0     254      68544        0
        malloc-128    128     312     215        7752       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       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-2048   2048       7      25         535       0       8      65536        0
         32 Bucket    256     100     155       17429       0      62      65280        0
sctp_stream_msg_out    112      34     506         342       0     254      60480        0
         malloc-64     64     154     665      126639       0     254      52416        0
         malloc-64     64     462     357        3685       0     254      52416        0
         malloc-64     64     476     343        1061       0     254      52416        0
             Files     80     299     351       29733       0     126      52000        0
        malloc-128    128     163     240       17819       0     126      51584        0
        malloc-128    128      12     391         268       0     126      51584        0
        malloc-256    256     105      90        7708       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       47530       0      16      49152        0
      malloc-16384  16384       3       0          18       0       1      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       3       3          31       0       1      49152        0
       malloc-1024   1024       3      45        1715       0      16      49152        0
       tcp_bbr_pcb    832       3      51         712       0      16      44928        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16          22       0      16      41984        0
            pcpu-8      8    4738     382        4936       0     254      40960        0
       Mountpoints   2752       2      12           2       0       4      38528        0
            da_ccb    544       0      70        1663       0      16      38080        0
         malloc-64     64      62     505         251       0     254      36288        0
         malloc-64     64      75     492        9968       0     254      36288        0
         malloc-64     64       3     564          47       0     254      36288        0
        malloc-128    128      32     247         907       0     126      35712        0
     routing nhops    256      27     108          35       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      24     111         790       0      62      34560        0
        malloc-256    256       8     127        7172       0      62      34560        0
         TURNSTILE    136     177      75         177       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       0       1         120       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       4       4        7357       0       2      32768        0
       malloc-2048   2048       0      16          12       0       8      32768        0
       malloc-2048   2048       7       9           7       0       8      32768        0
       malloc-2048   2048       3      13          64       0       8      32768        0
       malloc-2048   2048       1      15          75       0       8      32768        0
       malloc-2048   2048       5      11         263       0       8      32768        0
       malloc-1024   1024       2      30          45       0      16      32768        0
       malloc-1024   1024      12      20         169       0      16      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
       malloc-1024   1024       8      24          25       0      16      32768        0
        malloc-512    512       1      63         119       0      30      32768        0
        malloc-512    512       1      63         633       0      30      32768        0
        malloc-512    512       2      62         261       0      30      32768        0
        malloc-512    512      14      50         102       0      30      32768        0
        malloc-512    512       9      55          10       0      30      32768        0
           pcpu-64     64     482      30         482       0     254      32768        0
      tcp_rack_pcb    896       1      35         861       0      16      32256        0
             KNOTE    160      28     172       72381       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
      tcp_rack_map    120       2     262        1605       0     126      31680        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48     116     472        1905       0     254      28224        0
         tcp_inpcb     32       4     878        1536       0     254      28224        0
              ertt     72       8     384        1822       0     126      28224        0
               PWD     32      22     860        7247       0     254      28224        0
         malloc-32     32      66     816         559       0     254      28224        0
         malloc-32     32     414     468       12585       0     254      28224        0
         malloc-32     32     253     629       11415       0     254      28224        0
          4 Bucket     48       7     581         202       0     254      28224        0
               AIO    208       0     133          11       0      62      27664        0
       malloc-8192   8192       3       0           3       0       1      24576        0
           rtentry    176      31     107          35       0      62      24288        0
              PGRP     88      36     240         671       0     126      24288        0
          rl_entry     40      48     558          48       0     254      24240        0
          8 Bucket     80      55     245        1974       0     126      24000        0
        malloc-384    384      25      35          28       0      30      23040        0
        malloc-384    384       1      59          42       0      30      23040        0
        SLEEPQUEUE     88     177      79         177       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         242       0     254      20160        0
         udp_inpcb     32       3     627          33       0     254      20160        0
              AIOP     32       4     626           4       0     254      20160        0
         malloc-32     32      80     550         104       0     254      20160        0
         malloc-32     32     161     469        1046       0     254      20160        0
         malloc-32     32      85     545        5084       0     254      20160        0
         malloc-32     32      32     598         128       0     254      20160        0
         16 Bucket    144      72      68         347       0      62      20160        0
          2 Bucket     32      51     579         976       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       0       1         160       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       1       1         102       0       1      16384        0
       malloc-4096   4096       0       4           5       0       2      16384        0
       malloc-4096   4096       2       2           5       0       2      16384        0
       malloc-4096   4096       1       3           5       0       2      16384        0
       malloc-1024   1024       4      12           4       0      16      16384        0
       malloc-1024   1024       4      12           4       0      16      16384        0
        malloc-512    512       0      32          68       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
          tcpreass     48       0     336           2       0     254      16128        0
      vtnet_tx_hdr     24       0     668      506647       0     254      16032        0
         malloc-16     16     353     647       11634       0     254      16000        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       7     504           7       0     254      12264        0
         malloc-16     16      15     735          54       0     254      12000        0
         malloc-16     16     327     423         518       0     254      12000        0
         malloc-16     16       7     743        6051       0     254      12000        0
         malloc-16     16     232     518       10162       0     254      12000        0
         malloc-16     16     269     481       33226       0     254      12000        0
         malloc-16     16      17     733          32       0     254      12000        0
            itimer    352       0      33           1       0      30      11616        0
             AIOCB    552       0      21          22       0      16      11592        0
        malloc-384    384      11      19          11       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   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
    IPsec SA lft_c     16       0       0           0       0     254          0        0
             ripcb     32       0       0           0       0     254          0        0
     udplite_inpcb     32       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
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     72       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
            AIOLIO    272       0       0           0       0      30          0        0
           NCLNODE    608       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       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 (31):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/01 02:29 freebsd-src 58101517cb3b e1768e9c console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 00:34 freebsd-src 58101517cb3b e1768e9c console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 22:57 freebsd-src 58101517cb3b e1768e9c console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 19:53 freebsd-src 58101517cb3b e1768e9c console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 19:41 freebsd-src 58101517cb3b e1768e9c console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 18:36 freebsd-src 58101517cb3b e1768e9c console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 16:23 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 15:29 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 15:28 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 15:25 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 15:16 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 15:03 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:56 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:52 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:51 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:38 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:32 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:26 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 14:02 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:47 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:37 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:31 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:26 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:24 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:22 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:20 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:10 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:07 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:06 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:02 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:00 freebsd-src 58101517cb3b 36bd2e48 console log report ci-freebsd-i386 panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE
* Struck through repros no longer work on HEAD.