syzbot


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

Status: fixed on 2022/01/01 08:42
Reported-by: syzbot+fb44dbf6734ff492c337@syzkaller.appspotmail.com
Fix commit: 6b95cf5bdedc callout: Wait for the softclock thread to switch before rescheduling
First crash: 844d, last: 844d
Duplicate bugs (1)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: mutex blocked lock not owned at /syzkaller/managers/i386/kernel/sys/kern/sched_ule.c:LINE 31 844d 844d 0/2 closed as dup on 2021/12/31 22:13

Sample crash report:
login: panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:2685
cpuid = 0
time = 1640958354
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0054182130
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0054182290
vpanic() at vpanic+0x2b8/frame 0xfffffe0054182370
panic() at panic+0xb5/frame 0xfffffe0054182440
__mtx_assert() at __mtx_assert+0x224/frame 0xfffffe0054182490
sched_add() at sched_add+0x68/frame 0xfffffe00541824d0
handleevents() at handleevents+0x3c7/frame 0xfffffe0054182530
hardclockintr() at hardclockintr+0x1fc/frame 0xfffffe0054182610
ipi_bitmap_handler() at ipi_bitmap_handler+0x1a8/frame 0xfffffe00541827c0
Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe00541827c0
--- interrupt, rip = 0xffffffff81723d83, rsp = 0xfffffe0054182890, rbp = 0xfffffe00541828a0 ---
__asan_load8_noabort() at __asan_load8_noabort+0x23/frame 0xfffffe00541828a0
__rw_assert() at __rw_assert+0x102/frame 0xfffffe00541828f0
vm_fault() at vm_fault+0xf04/frame 0xfffffe0054182bc0
vm_fault_trap() at vm_fault_trap+0xba/frame 0xfffffe0054182c10
trap_pfault() at trap_pfault+0x4f6/frame 0xfffffe0054182d50
trap() at trap+0xe2b/frame 0xfffffe0054182f30
calltrap() at calltrap+0x8/frame 0xfffffe0054182f30
--- trap 0xc, rip = 0x2a365e, rsp = 0x7fffffffe950, rbp = 0x7fffffffe9e0 ---
KDB: enter: panic
[ thread pid 780 tid 100113 ]
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         0xd011186c6d14749a
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0054182270
rbp         0xfffffe0054182290
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11                      0x246
r12         0xfffffe00543db560
r13         0xfffffe0054182201
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 780 (syz-executor2594939) at 0xfffffe0092e07000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 779 at 0xfffffe0058c2a548
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: ./syz-executor259493993
 reaper: 0xfffffe0053df6000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00927283f0
   (map 0xfffffe00927283f0)
   (map.pmap 0xfffffe00927284b0)
   (pmap 0xfffffe0092728518)
 threads: 1
100113                   Run     CPU 0                       syz-executor2594939
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  780   779   777     0  R       CPU 0                       syz-executor2594939
  779   777   777     0  S       nanslp  0xffffffff83c32941  syz-executor2594939
  777   775   777     0  Ss      pause   0xfffffe0092e075f8  csh
  775   688   775     0  Ss      select  0xfffffe00928e4cc0  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00572330b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00543f64b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00543f6cb0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00079674b0  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
  744     1    18     0  S+      piperd  0xfffffe0058b3b2e8  logger
  743   742    18     0  S+      nanslp  0xffffffff83c32941  sleep
  742     1    18     0  S+      wait    0xfffffe009003b000  sh
  692     1   692     0  Ss      nanslp  0xffffffff83c32940  cron
  688     1   688     0  Ss      select  0xfffffe00928e5040  sshd
  501     1   501     0  Ss      select  0xfffffe00081e52c0  syslogd
  430     1   430     0  Ss      select  0xfffffe00081e53c0  devd
  429     1   429    65  Ss      select  0xfffffe00081e51c0  dhclient
  344     1   344     0  Ss      select  0xfffffe00571d78c0  dhclient
  341     1   341     0  Ss      select  0xfffffe00081e5340  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe0058828548  [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]
100094                   D       sdflush 0xfffffe00079630e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d89c40  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83d7daf8  [dom0]
100079                   D       launds  0xffffffff83d7db04  [laundry: dom0]
100080                   D       umarcl  0xffffffff81e53a50  [uma]
    7     0     0     0  DL      -       0xffffffff839ee808  [rand_harvestq]
    6     0     0     0  DL      waiting 0xffffffff84681300  [sctp_iterator]
    5     0     0     0  DL      pftm    0xffffffff84391530  [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                   CanRun                              [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       -       0xffffffff82b5a2a0  [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
Process 780 (syz-executor2594939) thread 0xfffffe00543db560 (100113)
exclusive rw vm object (vm object) r = 0 (0xfffffe0092a47948) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_fault.c:1495
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe0092728450) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4935
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            6         4801K            6
            devbuf         4213         4323K         4238
         sysctloid        35454         2089K        35525
             vtbuf           24         1968K           46
              kobj          322         1288K          481
            newblk          692         1197K          719
          vfscache            3         1025K            3
               pcb           19          537K           38
          inodedep           30          523K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc           99          186K          839
            acpica         1674          184K        56282
         vnet_data            1          168K            1
           tidhash            3          141K            3
              vmem            3          138K            4
            linker          354          134K          382
           pagedep           13          131K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
               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
              temp           17           33K         1606
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          155           32K          895
            DEVFS3          124           31K          134
              umtx          242           31K          242
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           93           15K           93
            bus-sc           34           15K         1651
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          136           12K          136
            ifaddr           30           12K           32
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
              cred           37           10K          234
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
         bmsafemap            1            8K           40
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
       ufs_dirhash           24            5K           24
               UMA          272            5K          272
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
            kqueue           44            4K          786
             hhook           15            4K           17
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
           pwddesc           41            3K          781
           session           20            3K           31
           uidinfo            3            3K            8
         proc-args           63            3K         1721
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
            dirrem            8            2K           28
         ipsec-saq            2            2K            2
             selfd           27            2K        10954
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
            diradd           11            2K           36
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
          freefile            9            2K           18
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
               osd            7            1K           18
       inpcbpolicy           10            1K          139
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
            CC Mem            3            1K            7
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
             xform            2            1K           49
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
            soname            4            1K         3471
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
          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           26
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            4
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          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
           filemon            0            0K            0
     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
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
            DEVFS4            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            DEVFS2            0            0K            0
            xenbus            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
     vm_fictitious            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
           UMAHash            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           18
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freeblks            0            0K           25
          freefrag            0            0K            1
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
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           ata_dma            0            0K            0
       ata_generic            0            0K            0
           scsi_da            0            0K           69
            pvscsi            0            0K            0
            ata_da            0            0K            0
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               agp            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
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        MLX5EEPROM            0            0K            0
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            lkpifw            0            0K            0
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               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
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            ip6opt            0            0K            3
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             frag6            0            0K            0
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               LRO            0            0K            0
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              ipid            0            0K            0
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        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
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              zlib            0            0K            0
           fadvise            0            0K            0
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            statfs            0            0K          195
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       export_host            0            0K            0
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agtiapi_MemAlloc malloc            0            0K            0
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          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       14427       0     254   38494208        0
              mbuf    256    8578    1084       17228       0     254    2473472        0
              pbuf   2624       0     778           0       0       2    2041472        0
          BUF TRIE    144     184   11604         599       0      62    1697472        0
        malloc-384    384    4164       6        4164       0      30    1601280        0
       malloc-4096   4096     369       3        1889       0       2    1523712        0
        malloc-128    128   11628      90       11687       0     126    1499904        0
       UMA Slabs 0    112   10566      12       10566       0     126    1184736        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   16366      89       16366       0     254     921480        0
         FFS inode   1160     490      28         508       0       8     600880        0
             tcpcb   1096       3     508           7       0     254     560056        0
        RADIX NODE    144    3294     201       19827       0      62     503280        0
            socket    960      18     490        1335       0     254     487680        0
         VM OBJECT    264    1414      86       24230       0      30     396000        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
        256 Bucket   2048     136      18        1023       0       8     315392        0
         malloc-64     64    3890     205        3951       0     254     262080        0
             VNODE    448     520      56         540       0      30     258048        0
         malloc-16     16   14667     333       14802       0     254     240000        0
            DEVCTL   1024       0     220         126       0       0     225280        0
            THREAD   1808     113       8         113       0       8     218768        0
         tcp_inpcb    424       3     510           7       0     254     217512        0
         udp_inpcb    424       6     507         128       0     254     217512        0
        malloc-256    256     693     117         738       0      62     207360        0
      malloc-65536  65536       1       2          47       0       1     196608        0
         MAP ENTRY     96    1577     439       83801       0     126     193536        0
         UMA Zones    768     244       0         244       0      16     187392        0
         malloc-32     32    5345     325        5424       0     254     181440        0
        malloc-128    128    1303      92       26734       0     126     178560        0
       malloc-1024   1024     132      12         158       0      16     147456        0
       FFS2 dinode    256     490      80         508       0      62     145920        0
      malloc-65536  65536       0       2         136       0       1     131072        0
             unpcb    256       7     503        1179       0     254     130560        0
       mbuf_packet    256       0     508          93       0     254     130048        0
          ksiginfo    112      37    1007          53       0     126     116928        0
       malloc-8192   8192      13       1          15       0       1     114688        0
       malloc-2048   2048      10      46         517       0       8     114688        0
     FPU_save_area    832     115      20         128       0      16     112320        0
             ripcb    424       1     260           4       0     254     110664        0
       S VFS Cache    104     966      48        1005       0     126     105456        0
        malloc-128    128     583     192        1231       0     126      99200        0
       malloc-4096   4096      21       1          32       0       2      90112        0
          UMA Kegs    384     230       3         230       0      30      89472        0
        128 Bucket   1024      46      37         478       0      16      84992        0
            clpbuf   2624       0      32          23       0      16      83968        0
              PROC   1352      40      17         780       0       8      77064        0
           VMSPACE   2552      24       6         765       0       4      76560        0
         malloc-64     64     661     410       15798       0     254      68544        0
        malloc-128    128     302     225         336       0     126      67456        0
        malloc-128    128     301     226         475       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       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-32768  32768       0       2         120       0       1      65536        0
       malloc-2048   2048       6      26         530       0       8      65536        0
        malloc-256    256     179      76         851       0      62      65280        0
             g_bio    408       0     150        4642       0      30      61200        0
         filedesc0   1072      41      15         781       0       8      60032        0
        malloc-384    384     115      35         465       0      30      57600        0
         malloc-64     64     466     353         917       0     254      52416        0
        malloc-128    128     144     259        3484       0     126      51584        0
        malloc-256    256     116      79         402       0      62      49920        0
        malloc-256    256      78     117         513       0      62      49920        0
        malloc-256    256     133      62         471       0      62      49920        0
         32 Bucket    256      47     148       15561       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       12227       0      16      49152        0
      malloc-16384  16384       2       1          17       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        1380       0      16      49152        0
          syncache    168       0     264           5       0     254      44352        0
       Mountpoints   2752       2      12           2       0       4      38528        0
              pipe    744       7      43         284       0      16      37200        0
            pcpu-8      8    4253     355        4281       0     254      36864        0
         64 Bucket    512      63       9        1584       0      30      36864        0
         malloc-64     64      10     557          15       0     254      36288        0
         malloc-64     64     103     464       12304       0     254      36288        0
         malloc-64     64     275     292         299       0     254      36288        0
         malloc-64     64      48     519         795       0     254      36288        0
         malloc-64     64       3     564          19       0     254      36288        0
        malloc-128    128      18     261          28       0     126      35712        0
        malloc-128    128      14     265         268       0     126      35712        0
     routing nhops    256      10     125          17       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      29      61          71       0      30      34560        0
        malloc-256    256      24     111         181       0      62      34560        0
        malloc-256    256       4     131          30       0      62      34560        0
        malloc-256    256      36      99         659       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048       0      16          12       0       8      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-2048   2048       3      13          27       0       8      32768        0
       malloc-2048   2048       2      14          61       0       8      32768        0
       malloc-2048   2048       5      11         196       0       8      32768        0
       malloc-2048   2048       2      14           4       0       8      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          12       0      16      32768        0
        malloc-512    512       1      63         119       0      30      32768        0
        malloc-512    512       1      63          10       0      30      32768        0
        malloc-512    512       6      58          64       0      30      32768        0
        malloc-512    512       9      55          10       0      30      32768        0
           pcpu-64     64     482      30         482       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
         16 Bucket    144      46     150         227       0      62      28224        0
          4 Bucket     48       6     582          57       0     254      28224        0
            da_ccb    544       0      49        1281       0      16      26656        0
         TURNSTILE    136     122      67         122       0      62      25704        0
       malloc-8192   8192       1       2         102       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       3       3         198       0       2      24576        0
           rtentry    176      13     125          17       0      62      24288        0
              PGRP     88      20     256          31       0     126      24288        0
    ertt_txseginfo     40       1     605         245       0     254      24240        0
          rl_entry     40      29     577          29       0     254      24240        0
             Files     80      72     228        6581       0     126      24000        0
          8 Bucket     80      43     257         231       0     126      24000        0
        malloc-384    384      11      49          11       0      30      23040        0
        malloc-384    384       8      52          11       0      30      23040        0
        malloc-384    384       1      59          20       0      30      23040        0
        SLEEPQUEUE     88     122     134         122       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         128       0     254      20160        0
         udp_inpcb     32       3     627          40       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
               PWD     32      10     620         100       0     254      20160        0
         malloc-32     32      80     550         108       0     254      20160        0
         malloc-32     32      66     564         613       0     254      20160        0
         malloc-32     32      75     555        1133       0     254      20160        0
         malloc-32     32     243     387         310       0     254      20160        0
         malloc-32     32      82     548         935       0     254      20160        0
         malloc-32     32      51     579        2933       0     254      20160        0
         malloc-32     32      31     599          92       0     254      20160        0
          2 Bucket     32      47     583         290       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       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           2       0       2      16384        0
       malloc-1024   1024       2      14          45       0      16      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       1      31           1       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
        sctp_laddr     48       0     336           4       0     254      16128        0
              kenv    258      15      45        1029       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
         tcp_inpcb     32       1     377           1       0     254      12096        0
      vtnet_tx_hdr     24       0     501        1933       0     254      12024        0
             KNOTE    160       1      74           9       0      62      12000        0
         malloc-16     16      15     735          29       0     254      12000        0
         malloc-16     16     311     439         474       0     254      12000        0
         malloc-16     16      38     712          58       0     254      12000        0
         malloc-16     16       5     745         164       0     254      12000        0
         malloc-16     16     212     538        2608       0     254      12000        0
         malloc-16     16      17     733       25612       0     254      12000        0
         malloc-16     16      13     737          20       0     254      12000        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       8      14           8       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
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
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1208       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_rack_pcb    896       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          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
     udplite_inpcb    424       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     72       0       0           0       0     254          0        0
               ipq     56       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
           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 (33):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/12/31 13:48 freebsd-src cb65d4432aed 36bd2e48 console log report syz C ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 07:54 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 07:22 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 07:00 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 04:49 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 02:41 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 02:00 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 01:00 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 00:31 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2022/01/01 00:00 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 23:00 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 22:49 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 20:55 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 19:19 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 18:45 freebsd-src cb65d4432aed e1768e9c console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:58 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:55 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:37 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:31 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:25 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:25 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:23 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:18 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:08 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:04 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 13:01 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:57 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:50 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:46 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:42 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:35 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:31 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
2021/12/31 12:27 freebsd-src cb65d4432aed 36bd2e48 console log report ci-freebsd-main panic: mutex blocked lock not owned at /syzkaller/managers/main/kernel/sys/kern/sched_ule.c:LINE
* Struck through repros no longer work on HEAD.