syzbot


panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:LINE (3)

Status: auto-obsoleted due to no activity on 2024/02/14 01:12
Reported-by: syzbot+6791c253e2f44cf6d6e0@syzkaller.appspotmail.com
First crash: 214d, last: 214d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:LINE (4) 2 71d 75d 0/2 upstream: reported on 2024/04/02 20:13
freebsd panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:LINE (2) 2 789d 856d 0/2 auto-closed as invalid on 2022/07/19 03:48
freebsd panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:LINE syz 19 1112d 1677d 0/2 closed as dup on 2021/09/07 21:35

Sample crash report:
panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:1188
cpuid = 1
time = 1700097071
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe006a6fb1f0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe006a6fb350
vpanic() at vpanic+0x271/frame 0xfffffe006a6fb4f0
panic() at panic+0xb5/frame 0xfffffe006a6fb5c0
_mtx_destroy() at _mtx_destroy+0x18a/frame 0xfffffe006a6fb600
sctp_inpcb_free() at sctp_inpcb_free+0x1e66/frame 0xfffffe006a6fb690
sctp_close() at sctp_close+0x219/frame 0xfffffe006a6fb770
soclose() at soclose+0x3d0/frame 0xfffffe006a6fb860
_fdrop() at _fdrop+0x58/frame 0xfffffe006a6fb890
closef() at closef+0x655/frame 0xfffffe006a6fba70
fdescfree() at fdescfree+0xa99/frame 0xfffffe006a6fbc50
exit1() at exit1+0x880/frame 0xfffffe006a6fbcf0
sys_exit() at sys_exit+0x28/frame 0xfffffe006a6fbd10
ia32_syscall() at ia32_syscall+0x46e/frame 0xfffffe006a6fbf30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffffd72c
KDB: enter: panic
[ thread pid 19671 tid 116761 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x217e337(%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         0xffffffff815d6515  printf+0xf5
rdx                        0x1
rbx         0xffffffff826e7000  .str.28
rsp         0xfffffe006a6fb330
rbp         0xfffffe006a6fb350
rsi                          0
rdi         0xffffffff815d6576  printf+0x156
r8                           0
r9                  0xffffffff
r10            0x1000000000d09
r11                        0x6
r12                          0
r13         0xfffffe0074770000
r14         0xffffffff826e7000  .str.28
r15                          0
rip         0xffffffff815c555e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x217e337(%rip)
db> show proc
Process 19671 (syz-executor.0) at 0xfffffe0074df8b00:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 770 at 0xfffffe0054236b00
 ABI: FreeBSD ELF32
 flag: 0x10002000  flag2: 0x40000
 arguments: /root/syz-executor.0 exec
 reaper: 0xfffffe0054236040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0074eb8738
   (map 0xfffffe0074eb8738)
   (map.pmap 0xfffffe0074eb87f8)
   (pmap 0xfffffe0074eb8868)
 threads: 1
116761                   Run     CPU 1                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
19671   770   770     0  RE      CPU 1                       syz-executor.0
19670   779   779     0  S       (threaded)                  syz-executor.2
117068                   S       nanslp  0xffffffff83724c80  syz-executor.2
128906                   S       uwait   0xfffffe00578f8800  syz-executor.2
128908                   S       connec  0xfffffe0074c34c1a  syz-executor.2
128910                   S       uwait   0xfffffe0073f36000  syz-executor.2
128912                   S       uwait   0xfffffe0007dfd800  syz-executor.2
19669   775   775     0  S       (threaded)                  syz-executor.3
116748                   S       nanslp  0xffffffff83724c80  syz-executor.3
128901                   S       uwait   0xfffffe0073f35e80  syz-executor.3
128902                   S       connec  0xfffffe0074c3085a  syz-executor.3
128904                   S       uwait   0xfffffe006d278a80  syz-executor.3
128907                   S       uwait   0xfffffe0073f35080  syz-executor.3
128909                   S       uwait   0xfffffe0073f35380  syz-executor.3
19667   771   771     0  S       (threaded)                  syz-executor.1
116743                   S       nanslp  0xffffffff83724c80  syz-executor.1
128896                   S       uwait   0xfffffe0073f35c80  syz-executor.1
128898                   S       connec  0xfffffe0074c270da  syz-executor.1
128900                   S       uwait   0xfffffe006d278e80  syz-executor.1
15917     1   779     0  S       uwait   0xfffffe0007dfdd80  syz-executor.2
15913     1   771     0  S       uwait   0xfffffe006d27a400  syz-executor.1
15910     1   771     0  S       uwait   0xfffffe0007dfd200  syz-executor.1
15908     1   771     0  S       uwait   0xfffffe006d27af00  syz-executor.1
15906     1   771     0  S       uwait   0xfffffe006d27a300  syz-executor.1
15901     1   779     0  S       uwait   0xfffffe00079f2700  syz-executor.2
15900     1   771     0  S       uwait   0xfffffe00578f8b00  syz-executor.1
15897     1   779     0  S       uwait   0xfffffe0007dfd300  syz-executor.2
15896     1   771     0  S       uwait   0xfffffe00079f2400  syz-executor.1
15889     1   771     0  S       uwait   0xfffffe00578f8180  syz-executor.1
15879     1   771     0  S       uwait   0xfffffe006d279300  syz-executor.1
15870     1   771     0  S       uwait   0xfffffe0007dfbb00  syz-executor.1
15861     1   771     0  S       uwait   0xfffffe006d27b180  syz-executor.1
15852     1   771     0  S       uwait   0xfffffe0007dfcd80  syz-executor.1
15847     1   771     0  S       uwait   0xfffffe0007dfa680  syz-executor.1
15839     1   779     0  S       uwait   0xfffffe006d27aa00  syz-executor.2
15837     1   771     0  S       uwait   0xfffffe0007dfdc00  syz-executor.1
15835     1   771     0  S       uwait   0xfffffe0007dfd600  syz-executor.1
15544     1   775     0  S       uwait   0xfffffe006d27a000  syz-executor.3
15542     1   775     0  S       uwait   0xfffffe00578f8c00  syz-executor.3
15540     1   775     0  S       uwait   0xfffffe0007dfd500  syz-executor.3
15538     1   775     0  S       uwait   0xfffffe00578f8080  syz-executor.3
15532     1   775     0  S       uwait   0xfffffe006d27a600  syz-executor.3
15523     1   775     0  S       uwait   0xfffffe006d27a900  syz-executor.3
15514     1   775     0  S       uwait   0xfffffe006d27ac00  syz-executor.3
15505     1   775     0  S       uwait   0xfffffe0007dfda00  syz-executor.3
15496     1   775     0  S       uwait   0xfffffe006d27a100  syz-executor.3
15486     1   775     0  S       uwait   0xfffffe006d279980  syz-executor.3
15480     1   775     0  S       uwait   0xfffffe00578f8a00  syz-executor.3
15471     1   775     0  S       uwait   0xfffffe00079f2800  syz-executor.3
15456     1   775     0  S       uwait   0xfffffe006d279b80  syz-executor.3
11049     1   779     0  S       uwait   0xfffffe0073f36300  syz-executor.2
11040     1   779     0  S       uwait   0xfffffe0073f36100  syz-executor.2
10828     1 10828    65  Ss      select  0xfffffe007473fac0  dhclient
 7727     1  7727     0  Ss      select  0xfffffe0074919a40  dhclient
 7724     1  7724     0  Ss      select  0xfffffe00748e8840  dhclient
 7705     1  7705    65  Ss      select  0xfffffe00747ab0c0  dhclient
 7067     1  7067     0  Ss      select  0xfffffe00748aca40  dhclient
 7064     1  7064     0  Ss      select  0xfffffe00748e8a40  dhclient
 7045     1  7045    65  Ss      select  0xfffffe0073cefdc0  dhclient
 5213     1   770     0  S       uwait   0xfffffe006d27ab00  syz-executor.0
 5206     1   770     0  S       uwait   0xfffffe00079f2a00  syz-executor.0
 5198     1   770     0  S       uwait   0xfffffe0007dfa080  syz-executor.0
 5192     1   770     0  S       uwait   0xfffffe006d27a500  syz-executor.0
 4871     1   771     0  S       uwait   0xfffffe006d27ad00  syz-executor.1
 3792     1  3792     0  Ss      select  0xfffffe00079d6c40  dhclient
 3783     1  3783     0  Ss      select  0xfffffe006d3c7e40  dhclient
 3738     1  3738    65  Ss      select  0xfffffe0073ca1040  dhclient
 1604     1  1604     0  Ss      select  0xfffffe0073ce2bc0  dhclient
 1601     1  1601     0  Ss      select  0xfffffe0073ce10c0  dhclient
 1462     1   779     0  S       uwait   0xfffffe0007dfb100  syz-executor.2
 1454     1   779     0  S       uwait   0xfffffe006d27ae00  syz-executor.2
 1447     1   779     0  S       uwait   0xfffffe00578f9380  syz-executor.2
 1440     1   779     0  S       uwait   0xfffffe006d27b080  syz-executor.2
 1435     1   779     0  S       uwait   0xfffffe0007dfae00  syz-executor.2
 1285     0     0     0  DL      aiordy  0xfffffe006d3acac0  [aiod4]
 1284     0     0     0  DL      aiordy  0xfffffe006d3ad580  [aiod3]
 1283     0     0     0  DL      aiordy  0xfffffe006d3adae0  [aiod2]
 1282     0     0     0  DL      aiordy  0xfffffe0057a2bac0  [aiod1]
  779   768   779     0  Ss      nanslp  0xffffffff83724c80  syz-executor.2
  775   768   775     0  Rs                                  syz-executor.3
  771   768   771     0  Rs                                  syz-executor.1
  770   768   770     0  Ss      nanslp  0xffffffff83724c80  syz-executor.0
  768   766   766     0  S       (threaded)                  syz-fuzzer
100101                   S       wait    0xfffffe006cd53040  syz-fuzzer
100120                   S       uwait   0xfffffe00578f9700  syz-fuzzer
100121                   S       uwait   0xfffffe00578f9800  syz-fuzzer
100122                   S       wait    0xfffffe006cd53040  syz-fuzzer
100123                   S       uwait   0xfffffe00578f9a00  syz-fuzzer
100124                   S       uwait   0xfffffe00578f9b00  syz-fuzzer
100125                   S       uwait   0xfffffe0007dfb280  syz-fuzzer
100126                   S       wait    0xfffffe006cd53040  syz-fuzzer
100127                   S       wait    0xfffffe006cd53040  syz-fuzzer
100128                   S       kqread  0xfffffe0058924800  syz-fuzzer
100129                   S       uwait   0xfffffe00079f2300  syz-fuzzer
100167                   S       uwait   0xfffffe00578fa900  syz-fuzzer
101255                   S       uwait   0xfffffe0007dfc080  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe0057a2c0d0  csh
  764   682   764     0  Ss      select  0xfffffe00079d65c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe00574f34b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0057a458b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0057a45cb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0057a460b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0057a464b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0057a468b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0057a46cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0057a470b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0057a474b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff83724c81  cron
  682     1   682     0  Ss      select  0xfffffe00079d6ec0  sshd
  495     1   495     0  Ss      select  0xfffffe00079d6940  syslogd
  424     1   424     0  Ss      select  0xfffffe00079d7340  devd
  423     1   423    65  Ss      select  0xfffffe00079d6b40  dhclient
  338     1   338     0  Ss      select  0xfffffe00079d6640  dhclient
  335     1   335     0  Ss      select  0xfffffe00079d6ac0  dhclient
   17     0     0     0  DL      syncer  0xffffffff838423a0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0057216040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83840980  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058b9ace8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff838b35c0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff8389b438  [dom0]
100080                   D       launds  0xffffffff8389b444  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d53e90  [uma]
    7     0     0     0  DL      -       0xffffffff834b9c30  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff8449da30  [pf purge]
    5     0     0     0  RL      CPU 0                       [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83484340  [doneq0]
100045                   D       -       0xffffffff834842c0  [async]
100076                   D       -       0xffffffff83484140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83896c60  [crypto]
100042                   D       crypto_ 0xfffffe0057170e30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0057170e80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00085f9488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836cd600  [g_event]
100036                   D       -       0xffffffff836cd620  [g_up]
100037                   D       -       0xffffffff836cd640  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0054236040  [init]
   10     0     0     0  DL      audit_w 0xffffffff838976c0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836cdfe0  [swapper]
100005                   D       -       0xfffffe00079c3b00  [softirq_0]
100006                   D       -       0xfffffe00079c3200  [softirq_1]
100007                   D       -       0xfffffe00079c3100  [if_io_tqg_0]
100008                   D       -       0xfffffe00079c3000  [if_io_tqg_1]
100009                   D       -       0xfffffe00079c2e00  [if_config_tqg_0]
100010                   D       -       0xfffffe00085e1400  [pci_hp taskq]
100011                   D       -       0xfffffe00085e1200  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00085e0900  [thread taskq]
100016                   D       -       0xfffffe00085e0400  [aiod_kick taskq]
100017                   D       -       0xfffffe00085e0200  [deferred_unmount ta]
100018                   D       -       0xfffffe00085e0000  [inm_free taskq]
100019                   D       -       0xfffffe0054308200  [in6m_free taskq]
100020                   D       -       0xfffffe0054308000  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe0054307d00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0054307d00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0054307d00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0054307d00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0054307800  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0054307800  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0054307800  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0054307800  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe0054306900  [firmware taskq]
100039                   D       -       0xfffffe0054306300  [crypto_0]
100040                   D       -       0xfffffe0054306300  [crypto_1]
100055                   D       -       0xfffffe0054305100  [vtnet0 rxq 0]
100056                   D       -       0xfffffe0054305000  [vtnet0 txq 0]
100057                   D       -       0xfffffe00085e4e00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00085e4d00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe00079d7b00  [virtio_balloon]
100066                   D       -       0xffffffff826ec280  [deadlkres]
100070                   D       -       0xfffffe0057901300  [acpi_task_0]
100071                   D       -       0xfffffe0057901300  [acpi_task_1]
100072                   D       -       0xfffffe0057901300  [acpi_task_2]
100074                   D       -       0xfffffe00085e3a00  [mca taskq]
100075                   D       -       0xfffffe0054305c00  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4220
         sysctloid        34926         2058K        34997
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk           96         1048K       156473
          vfscache            3         1025K            3
          filedesc          104          826K        37323
               pcb          109          761K        50344
          inodedep           23          521K        24971
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          226          462K        19794
              vmem            3          268K            7
         vnet_data            2          224K            2
          acpitask            1          224K            1
            acpica         1674          184K        60310
           tidhash            3          141K            3
           pagedep           10          131K        18631
            linker          352          130K          418
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
        gtaskqueue           18           98K           18
               BPF           46           88K          431
               bus          985           81K         5155
         sctp_timw          305           77K          305
          mtx_pool            2           72K            2
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          512           64K          512
       ddb_capture            1           64K            1
           kdtrace          320           61K        48587
              umtx          464           58K          464
              temp           35           37K        22676
         hostcache            1           32K            1
               shm            1           32K           14
            DEVFS3          128           32K          138
               msg            4           30K            4
            kbdmux            6           28K            6
            ifaddr           71           21K           73
        DEVFS_RULE           56           20K           56
         sctp_atcl           47           18K        34293
         ufs_mount            4           17K            5
              proc            3           17K            3
           filemon            2           16K         2560
          routetbl          136           16K          428
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1687
           lltable           44           14K           85
      eventhandler          161           14K          161
       ether_multi          157           13K          167
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           95
              GEOM           61           11K          481
              rman           86           11K          429
         CAM queue            5           11K         1528
         in6_multi           71            9K           71
            kqueue          106            9K        19689
         bmsafemap            2            9K        26730
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K           24
             shmfd            1            8K           31
       pfs_vncache            1            8K            1
     audit_evclass          238            8K          300
         taskqueue           63            7K           63
              cred           26            7K          343
           pwddesc          103            7K        19672
            sglist            6            7K            6
         sctp_stro            6            6K         8972
            plimit           24            6K          529
           CAM DEV            3            6K          510
         pfs_nodes           20            5K           20
             hhook           15            5K           17
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
           session           35            5K           92
            DEVFSP           70            5K         3784
          pf_ifnet           10            5K           19
                vt           11            5K           11
         proc-args          135            5K        21089
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          freework           16            4K        74720
           acpisem           28            4K           28
             selfd           55            4K       274383
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8326    1072      767305       0     254   38494208        0
              mbuf    256    9963   16710     3175562       0     254    6828288        0
        RADIX NODE    144   14293     346      531015       0      63    2108016        0
          BUF TRIE    144     484   11332      145949       0      62    1701504        0
        malloc-384    384    4118      52        4118       0      30    1601280        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11516     357       25345       0     126    1519744        0
       malloc-4096   4096     349       1         988       0       2    1433600        0
       UMA Slabs 0    112   11322      12       11322       0     126    1269408        0
         sctp_asoc   2256       6     504        8972       0     254    1150560        0
         vmem btag     56   19981      74       19981       0     254    1123080        0
        malloc-384    384      78    2742       25122       0      30    1082880        0
      malloc-16384  16384      53       4       18821       0       1     933888        0
        sctp_chunk    152     366    5744       63708       0     254     928720        0
           sctp_ep   1176      42     728       25126       0     254     905520        0
       malloc-2048   2048      43     397       25218       0       8     901120        0
           tcp_log    416       0    2034       39276       0     254     846144        0
         FFS inode   1160     636      29       24485       0       8     771400        0
        malloc-256    256     102    2823      161566       0      62     748800        0
            socket    960      79     685       33852       0     254     733440        0
        malloc-256    256     161    2704      207280       0      62     733440        0
        256 Bucket   2048     293      29       12170       0       8     659456        0
         VM OBJECT    264    2005      95      238719       0      30     554400        0
       malloc-4096   4096     123       5       19784       0       2     524288        0
            lkpimm    168       1    3095           1       0      62     520128        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        malloc-128    128     643    2891       24791       0     126     452352        0
            THREAD   1824     215      17       28914       0       8     423168        0
      malloc-65536  65536       6       0           6       0       1     393216        0
        sctp_raddr    736       6     511        8972       0     254     380512        0
             VNODE    448     677     106       24528       0      30     350784        0
       malloc-8192   8192       3      34        2561       0       1     303104        0
         MAP ENTRY     96    2874     276      626338       0     126     302400        0
         malloc-64     64    4055     544       14795       0     254     294336        0
       malloc-2048   2048      10     126        1238       0       8     278528        0
    ertt_txseginfo     40       0    6666     1444143       0     254     266640        0
        malloc-384    384      74     616       34321       0      30     264960        0
       malloc-1024   1024      10     246        9486       0      16     262144        0
         malloc-16     16   14500     750       49194       0     254     244000        0
      malloc-32768  32768       0       7       80076       0       1     229376        0
            DEVCTL   1024       0     220         152       0       0     225280        0
     FPU_save_area    832     217      44       33201       0      16     217152        0
         malloc-32     32    5599    1079       40570       0     254     213696        0
        malloc-128    128    1318     325       93331       0     126     210304        0
       FFS2 dinode    256     636     174       24485       0      62     207360        0
      malloc-65536  65536       1       2         111       0       1     196608        0
       mbuf_packet    256      76     686       40898       0     254     195072        0
         UMA Zones    768     240       4         240       0      16     187392        0
              PROC   1376     103      18       19671       0       8     166496        0
      malloc-32768  32768       5       0           5       0       1     163840        0
       tcp_bbr_map    128       0    1271       42242       0     126     162688        0
       S VFS Cache    104    1082     439       34488       0     126     158184        0
         64 Bucket    512     167      97       53656       0      30     135168        0
         filedesc0   1072     104      22       19672       0       8     135072        0
        128 Bucket   1024      97      34        4394       0      16     134144        0
      malloc-65536  65536       0       2         356       0       1     131072        0
       malloc-1024   1024     109      19         159       0      16     131072        0
             unpcb    256      20     490        1898       0     254     130560        0
        malloc-256    256     360     150       29500       0      62     130560        0
        malloc-256    256     330     180        9437       0      62     130560        0
        malloc-256    256      71     439       28754       0      62     130560        0
         tcp_inpcb   1312       7      83        6110       0       8     118080        0
          ksiginfo    112     111     933        4495       0     126     116928        0
      malloc-32768  32768       3       0           3       0       1      98304        0
         32 Bucket    256     189     186       17193       0      62      96000        0
          UMA Kegs    384     227       6         227       0      30      89472        0
             g_bio    408       0     210     1097269       0      30      85680        0
         malloc-64     64     573     750       31140       0     254      84672        0
        malloc-128    128     500     151        1429       0     126      83328        0
           VMSPACE    616      83      49       19657       0      16      81312        0
        sctp_readq    152       0     520         268       0     254      79040        0
       malloc-8192   8192       8       1         135       0       1      73728        0
       malloc-4096   4096       8      10        4202       0       2      73728        0
              pipe    728      23      76         751       0      16      72072        0
        malloc-128    128     298     229         310       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
        malloc-256    256      60     195       26879       0      62      65280        0
             Files     80     334     466       77490       0     126      64000        0
sctp_stream_msg_out    112       6     534        3601       0     254      60480        0
        malloc-384    384     123      27         468       0      30      57600        0
       malloc-8192   8192       7       0           7       0       1      57344        0
         malloc-64     64     104     715       19674       0     254      52416        0
         malloc-64     64     309     510      278426       0     254      52416        0
         malloc-64     64     459     360         664       0     254      52416        0
      tcp_rack_map    128       0     403       13330       0     126      51584        0
        malloc-128    128     139     264       19333       0     126      51584        0
        malloc-256    256     147      48         185       0      62      49920        0
      tcp_rack_pcb   1024       0      48        4194       0      16      49152        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48      125094       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
            da_ccb    544       0      84      274432       0      16      45696        0
            pcpu-8      8    4836     796        7687       0     254      45056        0
       tcp_bbr_pcb    832       0      54        1233       0      16      44928        0
          syncache    168       0     264           4       0     254      44352        0
         TURNSTILE    136     233      82         233       0      62      42840        0
     udplite_inpcb    424       0      90         111       0      30      38160        0
         udp_inpcb    424       6      84         246       0      30      38160        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64     114     453       19751       0     254      36288        0
         malloc-64     64     149     418       19777       0     254      36288        0
         malloc-64     64      41     526         705       0     254      36288        0
         16 Bucket    144      91     161       11422       0      62      36288        0
        malloc-128    128       5     274           6       0     126      35712        0
        malloc-128    128      69     210         191       0     126      35712        0
             ripcb    392       5      85         306       0      30      35280        0
     routing nhops    256      27     108          35       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256       3     132           3       0      62      34560        0
        SLEEPQUEUE     88     233     151         233       0     126      33792        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048       2      14          10       0       8      32768        0
       malloc-2048   2048       9       7          74       0       8      32768        0
       malloc-2048   2048       2      14         308       0       8      32768        0
       malloc-2048   2048       5      11          18       0       8      32768        0
       malloc-1024   1024      10      22         220       0      16      32768        0
       malloc-1024   1024      27       5          40       0      16      32768        0
       malloc-1024   1024       9      23          10       0      16      32768        0
       malloc-1024   1024       5      27           5       0      16      32768        0
       malloc-1024   1024       8      24        1379       0      16      32768        0
        malloc-512    512       3      61         170       0      30      32768        0
        malloc-512    512       2      62          30       0      30      32768        0
        malloc-512    512       3      61         393       0      30      32768        0
        malloc-512    512      13      51         476       0      30      32768        0
        malloc-512    512       8      56        3209       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
               PWD     40      64     744       18711       0     254      32320        0
             KNOTE    160      28     172      152026       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      35     229          92       0     126      31680        0
            clpbuf   2624       0      12          30       0       4      31488        0
        sctp_laddr     48       0     588        4275       0     254      28224        0
   tcp_inpcb ports     32       5     877        5215       0     254      28224        0
         malloc-32     32      77     805       18864       0     254      28224        0
         malloc-32     32     134     748       26989       0     254      28224        0
          4 Bucket     48       6     582          10       0     254      28224        0
          2 Bucket     32      78     804       15801       0     254      28224        0
          8 Bucket     80     116     234        5837       0     126      28000        0
               AIO    208       0     133          31       0      62      27664        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-4096   4096       2       4         398       0       2      24576        0
       malloc-4096   4096       2       4           6       0       2      24576        0
          rl_entry     40     125     481         125       0     254      24240        0
           rtentry    168      31     113          35       0      62      24192        0
        malloc-384    384      52       8          52       0      30      23040        0
        malloc-384    384       1      59       10736       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
   udp_inpcb ports     32       3     627          47       0     254      20160        0
              ertt     72       7     273        6110       0     126      20160        0
         malloc-32     32       3     627          12       0     254      20160        0
         malloc-32     32      83     547         120       0     254      20160        0
         malloc-32     32     172     458         193       0     254      20160        0
         malloc-32     32      40     590         750       0     254      20160        0
         malloc-32     32      45     585        1848       0     254      20160        0
             AIOCB    552       0      35          27       0      16      19320        0
            AIOLIO    272       0      70           8       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-4096   4096       0       4           8       0       2      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       1      15           1       0      16      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
               ipq     56       0     288           1       0     254      16128        0
      vtnet_tx_hdr     24       0     668      436295       0     254      16032        0
         malloc-16     16     132     868       53804       0     254      16000        0
              kenv    258      17      43        1085       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
udplite_inpcb ports     32       0     378           1       0     254      12096        0
         malloc-16     16      17     733        6125       0     254      12000        0
         malloc-16     16      28     722         181       0     254      12000        0
         malloc-16     16     289     461         462       0     254      12000        0
         malloc-16     16      25     725          38       0     254      12000        0
         malloc-16     16     182     568        2994       0     254      12000        0
         malloc-16     16      24     726       79136       0     254      12000        0
        malloc-384    384      13      17          13       0      30      11520        0
        malloc-384    384       1      29           2       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
       UMA Slabs 1    176      10      12          10       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
   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     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    352       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       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
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
           netlink   2048       0       0           0       0       8          0        0
            itimer    352       0       0           0       0      30          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    232       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          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    104       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      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/16 01:11 freebsd-src 257b04454818 cb976f63 console log report ci-freebsd-i386 panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:LINE
* Struck through repros no longer work on HEAD.