syzbot


Fatal trap NUM: page fault in m_free

Status: auto-obsoleted due to no activity on 2024/07/07 23:43
Reported-by: syzbot+ff49b1f07ea3023b19ca@syzkaller.appspotmail.com
First crash: 184d, last: 184d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x4
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81480bfe
stack pointer	        = 0x0:0xfffffe0073f8e6a0
frame pointer	        = 0x0:0xfffffe0073f8e6d0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 1857 (syz-executor.3)
rdi: 0000000000000004 rsi: 0000000000000354 rdx: 0000000000000353
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 0000000000000101
rax: fffffe00033eee30 rbx: 0000000000000004 rbp: fffffe0073f8e6d0
r10: 0000000000000001 r11: 0000000000000007 r12: fffffe0073f8e830

r13: fffffe0073f8e870 r14: 0000000000000004 r15: 000000000000002d
trap number		= 12
panic: page fault
cpuid = 1
time = 1712619735
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0073f8ddd0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0073f8df30
vpanic() at vpanic+0x26a/frame 0xfffffe0073f8e0f0
panic() at panic+0xb5/frame 0xfffffe0073f8e1b0
trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe0073f8e2d0
trap_pfault() at trap_pfault+0x179/frame 0xfffffe0073f8e3f0
trap() at trap+0x648/frame 0xfffffe0073f8e5d0
calltrap() at calltrap+0x8/frame 0xfffffe0073f8e5d0
--- trap 0xc, rip = 0xffffffff81480bfe, rsp = 0xfffffe0073f8e6a0, rbp = 0xfffffe0073f8e6d0 ---
m_free() at m_free+0x1e/frame 0xfffffe0073f8e6d0
m_freem() at m_freem+0x48/frame 0xfffffe0073f8e6f0
uipc_sosend_stream_or_seqpacket() at uipc_sosend_stream_or_seqpacket+0x126d/frame 0xfffffe0073f8e960
sousrsend() at sousrsend+0x117/frame 0xfffffe0073f8e9f0
kern_sendit() at kern_sendit+0x4fc/frame 0xfffffe0073f8eb50
freebsd32_sendmsg() at freebsd32_sendmsg+0x515/frame 0xfffffe0073f8ed10
ia32_syscall() at ia32_syscall+0x4aa/frame 0xfffffe0073f8ef30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xdfffcf9c
KDB: enter: panic
[ thread pid 1857 tid 101073 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
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         0xfffffe0072493000
rdx                    0x3ffff
rbx         0xffffffff826ed680  .str.27
rsp         0xfffffe0073f8df10
rbp         0xfffffe0073f8df30
rsi                    0x40001
rdi         0xffffffff815c0059  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe006d5ff000
r13         0xfffffffffffffffd
r14         0xffffffff826ed680  .str.27
r15                          0
rip         0xffffffff815acc1e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
db> show proc
Process 1857 (syz-executor.3) at 0xfffffe006d4c4ac0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 776 at 0xfffffe006d4c4000
 ABI: FreeBSD ELF32
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.3 exec
 reaper: 0xfffffe005420b040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0074767268
   (map 0xfffffe0074767268)
   (map.pmap 0xfffffe0074767328)
   (pmap 0xfffffe0074767398)
 threads: 2
100180                   RunQ                                syz-executor.3
101073                   Run     CPU 1                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1857   776   776     0  R       (threaded)                  syz-executor.3
100180                   RunQ                                syz-executor.3
101073                   Run     CPU 1                       syz-executor.3
 1854   770   770     0  R       (threaded)                  syz-executor.0
100962                   RunQ                                syz-executor.0
101069                   S       connec  0xfffffe006a840c1a  syz-executor.0
101070                   S       uwait   0xfffffe006d491800  syz-executor.0
 1853   772   772     0  R       (threaded)                  syz-executor.2
100125                   RunQ                                syz-executor.2
101067                   S       connec  0xfffffe006a83bc1a  syz-executor.2
 1852   771   771     0  R       (threaded)                  syz-executor.1
101040                   RunQ                                syz-executor.1
101065                   S       connec  0xfffffe006a84949a  syz-executor.1
101068                   S       uwait   0xfffffe006d492000  syz-executor.1
 1670     1   772     0  S       uwait   0xfffffe006d491d80  syz-executor.2
 1661     1   776     0  S       uwait   0xfffffe006d492c00  syz-executor.3
 1650     1   770     0  S       uwait   0xfffffe006d492100  syz-executor.0
 1649     1   772     0  S       uwait   0xfffffe006d491300  syz-executor.2
 1648     1   771     0  S       uwait   0xfffffe006d492e00  syz-executor.1
 1643     1   776     0  S       uwait   0xfffffe0057370b00  syz-executor.3
 1636     1   770     0  S       uwait   0xfffffe0057370a00  syz-executor.0
 1635     1   776     0  S       uwait   0xfffffe006d490d00  syz-executor.3
 1630     1   771     0  S       uwait   0xfffffe006d491e80  syz-executor.1
 1626     1   770     0  S       uwait   0xfffffe006d492d00  syz-executor.0
 1617     1   776     0  S       uwait   0xfffffe00578c9700  syz-executor.3
 1612     1   771     0  S       uwait   0xfffffe006d490800  syz-executor.1
 1609     1   772     0  S       uwait   0xfffffe006d492700  syz-executor.2
 1590     1   772     0  S       uwait   0xfffffe006d491700  syz-executor.2
 1368  1361  1368     0  Ss      select  0xfffffe0007876cc0  dhclient
 1365     1  1365     0  Ss      select  0xfffffe0007876e40  dhclient
 1361  1352   424    65  S       select  0xfffffe006ce319c0  dhclient
 1352   424   424     0  S       wait    0xfffffe006d0975c0  sh
 1120     1   776     0  S       uwait   0xfffffe00578c9600  syz-executor.3
  828     0     0     0  DL      aiordy  0xfffffe006d4c6b00  [aiod4]
  827     0     0     0  DL      aiordy  0xfffffe006d096b00  [aiod3]
  825     0     0     0  DL      aiordy  0xfffffe0007ce7ac0  [aiod2]
  824     0     0     0  DL      aiordy  0xfffffe0007ce7560  [aiod1]
  776   768   776     0  Rs                                  syz-executor.3
  772   768   772     0  Rs                                  syz-executor.2
  771   768   771     0  Rs                                  syz-executor.1
  770   768   770     0  Rs                                  syz-executor.0
  768   766   766     0  S       (threaded)                  syz-fuzzer
100095                   S       uwait   0xfffffe00578cb080  syz-fuzzer
100113                   S       uwait   0xfffffe00578ca300  syz-fuzzer
100114                   S       uwait   0xfffffe00578ca400  syz-fuzzer
100115                   S       uwait   0xfffffe00578ca500  syz-fuzzer
100116                   S       wait    0xfffffe00579ee5a0  syz-fuzzer
100117                   S       uwait   0xfffffe00578ca700  syz-fuzzer
100118                   S       wait    0xfffffe00579ee5a0  syz-fuzzer
100119                   S       wait    0xfffffe00579ee5a0  syz-fuzzer
100122                   S       wait    0xfffffe00579ee5a0  syz-fuzzer
100124                   S       uwait   0xfffffe0007980480  syz-fuzzer
100132                   S       kqread  0xfffffe0007c82b00  syz-fuzzer
100141                   S       uwait   0xfffffe0007980a00  syz-fuzzer
100338                   S       uwait   0xfffffe006d491c80  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe006cf2db90  csh
  764   682   764     0  Ss      select  0xfffffe0007877240  sshd
  748     1   748     0  Rs+     CPU 0                       getty
  747     1   747     0  Ss+     ttyin   0xfffffe00587470b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00574c30b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00587478b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0056ec00b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0056ec08b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0056ec10b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0056ec18b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0056ec20b0  getty
  738   736    18     0  S+      nanslp  0xffffffff83956480  sleep
  737     1    18     0  S+      piperd  0xfffffe0058b535b0  logger
  736     1    18     0  S+      wait    0xfffffe00579ef5c0  sh
  686     1   686     0  Ss      nanslp  0xffffffff83956481  cron
  682     1   682     0  Ss      select  0xfffffe0007877540  sshd
  495     1   495     0  Ss      select  0xfffffe00078776c0  syslogd
  424     1   424     0  Ss      wait    0xfffffe00579eeb00  devd
  423     1   423    65  Ss      select  0xfffffe00078778c0  dhclient
  338     1   338     0  Ss      select  0xfffffe00078779c0  dhclient
  335     1   335     0  Ss      select  0xfffffe0007877ac0  dhclient
   17     0     0     0  DL      syncer  0xffffffff83a73ba0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0007ce9040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83a72180  [bufdaemon]
100080                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100092                   D       sdflush 0xfffffe0058a3ace8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83abb680  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83aa34f8  [dom0]
100081                   D       launds  0xffffffff83aa3504  [laundry: dom0]
100082                   D       umarcl  0xffffffff81d508d0  [uma]
    7     0     0     0  DL      -       0xffffffff836d3cb0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84190bb0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff844d3760  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff8369e340  [doneq0]
100045                   D       -       0xffffffff8369e2c0  [async]
100076                   D       -       0xffffffff8369e140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83a9ed20  [crypto]
100042                   D       crypto_ 0xfffffe0007c85030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0007c85080  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe0056f60c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff838fee00  [g_event]
100036                   D       -       0xffffffff838fee20  [g_up]
100037                   D       -       0xffffffff838fee40  [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    0xfffffe005420b040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83a9f780  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff838ff7e0  [swapper]
100005                   D       -       0xfffffe00085f7d00  [softirq_0]
100006                   D       -       0xfffffe00085f7c00  [softirq_1]
100007                   D       -       0xfffffe00085f7b00  [if_io_tqg_0]
100008                   D       -       0xfffffe00085f7a00  [if_io_tqg_1]
100009                   D       -       0xfffffe00085f7900  [if_config_tqg_0]
100010                   D       -       0xfffffe00085f7800  [pci_hp taskq]
100011                   D       -       0xfffffe00085f7700  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00085f7400  [thread taskq]
100016                   D       -       0xfffffe00085f7200  [aiod_kick taskq]
100017                   D       -       0xfffffe00085f7100  [deferred_unmount ta]
100018                   D       -       0xfffffe00085f7000  [inm_free taskq]
100019                   D       -       0xfffffe00085f6e00  [in6m_free taskq]
100020                   D       -       0xfffffe00085f6d00  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00085f6a00  [firmware taskq]
100039                   D       -       0xfffffe00085f6700  [crypto_0]
100040                   D       -       0xfffffe00085f6700  [crypto_1]
100055                   D       -       0xfffffe00085f6500  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00085f6400  [vtnet0 txq 0]
100057                   D       -       0xfffffe00085f6300  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00085f6200  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0007cbc380  [virtio_balloon]
100066                   D       -       0xffffffff826f28c1  [deadlkres]
100070                   D       -       0xfffffe005797ab00  [acpi_task_0]
100071                   D       -       0xfffffe005797ab00  [acpi_task_1]
100072                   D       -       0xfffffe005797ab00  [acpi_task_2]
100074                   D       -       0xfffffe00085f8100  [mca taskq]
100075                   D       -       0xfffffe00085f6600  [CAM taskq]
 1858  1857   776     0  Z                                   syz-executor.3
db> show all locks
Process 748 (getty) thread 0xfffffe006cffe740 (100111)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffffe0007d1e408) locked @ /syzkaller/managers/i386/kernel/sys/kern/tty.c:217
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            linker          371         4934K          481
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4217
         sysctloid        34865         2055K        34936
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk           16         1028K         1619
          vfscache            3         1025K            3
               pcb          144          804K         1861
          inodedep           63          536K         1023
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          filedesc           48          377K         1965
           subproc          161          322K         1948
              vmem            3          266K            6
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K          954
            acpica         1674          184K        60830
           tidhash            3          141K            3
           pagedep           11          131K          857
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus          985           81K         5155
          mtx_pool            2           72K            2
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          513           65K          513
       ddb_capture            1           64K            1
         sctp_stro           60           60K          386
           kdtrace          239           47K         2933
              umtx          368           46K          368
         sctp_atcl          120           45K         1309
              temp           35           37K         2070
               BPF           23           36K           28
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          128           32K          138
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
               LRO           18           19K           18
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           97           16K           97
            bus-sc           34           15K         1687
           lltable           45           14K           46
      eventhandler          162           14K          162
            dirrem           49           13K          934
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
              GEOM           61           11K          481
              rman           86           11K          451
         CAM queue            5           11K         1528
         in6_multi           65            9K           65
         bmsafemap            2            9K          982
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K           13
         sctp_timw           32            8K           32
             shmfd            1            8K            3
       pfs_vncache            1            8K            1
         sctp_atky          180            8K         1794
     audit_evclass          238            8K          300
            kqueue           74            7K         1898
         taskqueue           63            7K           63
              cred           25            7K          293
          freefile           49            7K          911
            sglist            6            7K            6
           CAM DEV            3            6K          510
            plimit           22            6K          348
         pfs_nodes           22            6K           22
             hhook           15            5K           17
       ufs_dirhash           24            5K           24
           pwddesc           71            5K         1889
               UMA          267            5K          267
          pf_ifnet           10            5K           19
      tcp_fsb_rack            2            5K          122
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
            DEVFSP           63            4K          326
           acpisem           28            4K           28
           session           26            4K           54
          kcovinfo           52            4K           52
         proc-args           95            3K         2977
          terminal           11            3K           11
           uidinfo            4            3K           35
             clone            9            3K            9
          freework            9            3K          864
        local_apic            1            2K            1
           io_apic            1            2K            1
          freeblks            8            2K          863
         ipsec-saq            2            2K            2
            CC Mem            8            2K          297
             lockf           19            2K           29
             selfd           31            2K        22791
         sctp_athm          120            2K         1390
          sctp_map          120            2K          802
            ip6ndp           12            2K           14
            Unitno           31            2K           49
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
               msi           12            2K           12
          in_multi            6            2K            8
               tun            4            2K            4
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
            select           10            2K           41
           acpidev           20            2K           20
           softdep            1            1K            1
             mkdir            8            1K         1684
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           30
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
         newdirblk            6            1K          842
               mld            6            1K            6
        ip_msource           12            1K           40
              igmp            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            6
             mount           16            1K          469
          pci_link           10            1K           10
            diradd            5            1K          968
            crypto            4            1K           18
 encap_export_host           12            1K           12
           netlink            2            1K           29
       inpcbpolicy           16            1K          630
               osd           13            1K          303
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
          freefrag            3            1K            7
    chacha20random            1            1K            1
            biobuf            1            1K            1
      tcp_pcm_rack            1            1K           61
            vnodes            1            1K            1
          procdesc            2            1K           12
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
            soname            7            1K         4285
        loginclass            3            1K            6
            prison            6            1K            6
         cryptodev            2            1K          313
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
               aio            4            1K            4
          pmchooks            1            1K            1
          filecaps            5            1K           90
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       34806       0     254   38494208        0
              mbuf    256    8809   10754      269864       0     254    5008128        0
          BUF TRIE    144     231   11557         783       0      62    1697472        0
       malloc-4096   4096     409       3        2972       0       2    1687552        0
        malloc-384    384    4342      38        5545       0      30    1681920        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11445     149       11511       0     126    1484032        0
       UMA Slabs 0    112   11017      29       11017       0     126    1237152        0
         sctp_asoc   2256      60     450         364       0     254    1150560        0
      malloc-65536  65536      15       1          18       0       1    1048576        0
         vmem btag     56   17397     138       17397       0     254     981960        0
        RADIX NODE    144    6421     182       51126       0      62     950832        0
         FFS inode   1168     538      36        1449       0       8     670432        0
           sctp_ep   1144      60     451         864       0     254     584584        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
      malloc-16384  16384      27       4         985       0       1     507904        0
            socket    960      35     473        2871       0     254     487680        0
        256 Bucket   2048     208      16        1849       0       8     458752        0
        sctp_raddr    736      60     457         481       0     254     380512        0
         VM OBJECT    264    1362      78       25752       0      30     380160        0
        sctp_chunk    152      89    2199       26038       0     254     347776        0
            THREAD   1824     166      18        1073       0       8     335616        0
             VNODE    448     576     117        1489       0      30     310464        0
        malloc-384    384      75     645        1035       0      30     276480        0
        malloc-256    256     446     619        2937       0      62     272640        0
         malloc-64     64    3855     240        3867       0     254     262080        0
       malloc-2048   2048     106      14         134       0       8     245760        0
         malloc-16     16   14408     342       14787       0     254     236000        0
       malloc-1024   1024     197      27         495       0      16     229376        0
            DEVCTL   1024      21     199         148       0       0     225280        0
           tcp_log    416       0     513         398       0     254     213408        0
        malloc-256    256      27     783        1724       0      62     207360        0
       mbuf_packet    256      58     704       22345       0     254     195072        0
        malloc-128    128    1289     230       30590       0     126     194432        0
         MAP ENTRY     96    1713     303       77724       0     126     193536        0
         UMA Zones    768     239       0         239       0      16     183552        0
         malloc-32     32    5279     391        5330       0     254     181440        0
        malloc-128    128     707     688        2724       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
     FPU_save_area    832     168      30        1405       0      16     164736        0
       FFS2 dinode    256     538      92        1449       0      62     161280        0
       malloc-2048   2048      62      10         866       0       8     147456        0
       S VFS Cache    104    1021     383        1969       0     126     146016        0
      malloc-65536  65536       0       2          78       0       1     131072        0
      malloc-65536  65536       0       2          10       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
             unpcb    256      17     493        1313       0     254     130560        0
             g_bio    408       0     300        6614       0      30     122400        0
              PROC   1376      71      17        1858       0       8     121088        0
          ksiginfo    112      71     973         672       0     126     116928        0
      malloc-32768  32768       3       0           3       0       1      98304        0
       malloc-8192   8192       6       6          91       0       1      98304        0
       malloc-2048   2048      12      36        1113       0       8      98304        0
         filedesc0   1072      71      20        1889       0       8      97552        0
          UMA Kegs    384     226       7         226       0      30      89472        0
        128 Bucket   1024      58      25         290       0      16      84992        0
       malloc-8192   8192       9       1          11       0       1      81920        0
       malloc-4096   4096      16       4          33       0       2      81920        0
        sctp_readq    152       0     520          75       0     254      79040        0
         malloc-64     64     644     427       15972       0     254      68544        0
        malloc-128    128     419     108        1450       0     126      67456        0
        malloc-128    128     301     226        1356       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-32768  32768       2       0           2       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-256    256     133     122        1522       0      62      65280        0
sctp_stream_msg_out    112      26     514         170       0     254      60480        0
         tcp_inpcb   1304       8      34         290       0       8      54768        0
         64 Bucket    512      94      10        2045       0      30      53248        0
         malloc-64     64      99     720         820       0     254      52416        0
         malloc-64     64     490     329        5170       0     254      52416        0
         malloc-64     64     472     347         952       0     254      52416        0
           VMSPACE    616      50      34        1721       0      16      51744        0
        malloc-256    256      83     112        3506       0      62      49920        0
        malloc-256    256      75     120         202       0      62      49920        0
         32 Bucket    256     102      93        1681       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       17626       0      16      49152        0
       malloc-4096   4096      10       2          22       0       2      49152        0
       malloc-2048   2048      16       8          32       0       8      49152        0
       malloc-1024   1024      10      38        1580       0      16      49152        0
        malloc-384    384      90      30         433       0      30      46080        0
            da_ccb    544       0      84        1781       0      16      45696        0
            pcpu-8      8    4732     900        4923       0     254      45056        0
          syncache    168       0     264           4       0     254      44352        0
       malloc-8192   8192       3       2          29       0       1      40960        0
         udp_inpcb    416       6      84         214       0      30      37440        0
         malloc-64     64      43     524       22913       0     254      36288        0
         malloc-64     64      99     468        2764       0     254      36288        0
         malloc-64     64      25     542          29       0     254      36288        0
      tcp_rack_map    128       3     276          96       0     126      35712        0
       tcp_bbr_map    128       0     279          42       0     126      35712        0
        malloc-128    128       5     274          32       0     126      35712        0
        malloc-128    128      50     229        3351       0     126      35712        0
        malloc-128    128      65     214          76       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
             ripcb    384       2      88         102       0      30      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      48      87        1022       0      62      34560        0
        malloc-256    256      13     122         653       0      62      34560        0
        malloc-256    256      52      83         620       0      62      34560        0
         TURNSTILE    136     185      67         185       0      62      34272        0
        SLEEPQUEUE     88     185     199         185       0     126      33792        0
      malloc-32768  32768       1       0          12       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-2048   2048       4      12          16       0       8      32768        0
       malloc-2048   2048       0      16          48       0       8      32768        0
       malloc-2048   2048       0      16          40       0       8      32768        0
       malloc-2048   2048       3      13         231       0       8      32768        0
       malloc-1024   1024       2      30          42       0      16      32768        0
       malloc-1024   1024       1      31           6       0      16      32768        0
       malloc-1024   1024       5      27          47       0      16      32768        0
       malloc-1024   1024      10      22         175       0      16      32768        0
        malloc-512    512       9      55         127       0      30      32768        0
        malloc-512    512       3      61          39       0      30      32768        0
        malloc-512    512       4      60         198       0      30      32768        0
        malloc-512    512       1      63           5       0      30      32768        0
        malloc-512    512       7      57          63       0      30      32768        0
           pcpu-64     64     488      24         488       0     254      32768        0
    ertt_txseginfo     40       0     808       24316       0     254      32320        0
               PWD     40      34     774         922       0     254      32320        0
             KNOTE    160      30     170       14680       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     202     198       10694       0     126      32000        0
              PGRP    120      26     238          58       0     126      31680        0
            clpbuf   2624       0      12          29       0       4      31488        0
       tcp_bbr_pcb    832       0      36         106       0      16      29952        0
   sctp_asconf_ack     48       0     588           6       0     254      28224        0
        sctp_laddr     48      44     544         153       0     254      28224        0
         malloc-32     32     277     605        3307       0     254      28224        0
         16 Bucket    144      60     136         306       0      62      28224        0
          4 Bucket     48       7     581          10       0     254      28224        0
               AIO    208       0     133         248       0      62      27664        0
     udplite_inpcb    416       0      63          24       0      30      26208        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       1       2         102       0       1      24576        0
       malloc-8192   8192       1       2          20       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       2       4         223       0       2      24576        0
          rl_entry     40      49     557          49       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
              pipe    728      21      12         392       0      16      24024        0
          8 Bucket     80      55     245         538       0     126      24000        0
        malloc-384    384      11      49          15       0      30      23040        0
        malloc-384    384       1      59           8       0      30      23040        0
        malloc-384    384       1      59          30       0      30      23040        0
        malloc-384    384      22      38          25       0      30      23040        0
       Mountpoints   2816       2       6           6       0       4      22528        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       3     627          54       0     254      20160        0
   tcp_inpcb ports     32       6     624          56       0     254      20160        0
              ertt     72       8     272         290       0     126      20160        0
         malloc-32     32      82     548         162       0     254      20160        0
         malloc-32     32     200     430        1764       0     254      20160        0
         malloc-32     32     232     398        2445       0     254      20160        0
         malloc-32     32      25     605        1188       0     254      20160        0
         malloc-32     32      59     571         958       0     254      20160        0
         malloc-32     32      30     600         138       0     254      20160        0
          2 Bucket     32      53     577         434       0     254      20160        0
             AIOCB    552       0      35         128       0      16      19320        0
       L VFS Cache    320       0      60          16       0      30      19200        0
            AIOLIO    272       0      70         134       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-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       3       1           3       0       2      16384        0
       malloc-1024   1024       8       8           8       0      16      16384        0
        malloc-512    512       0      32           4       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668       29915       0     254      16032        0
              kenv    258      17      43        1076       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_rack_pcb   1216       1       9          61       0       8      12160        0
         malloc-16     16      28     722         171       0     254      12000        0
         malloc-16     16     312     438         525       0     254      12000        0
         malloc-16     16     284     466        2522       0     254      12000        0
         malloc-16     16       3     747        1209       0     254      12000        0
         malloc-16     16     237     513        5527       0     254      12000        0
         malloc-16     16      29     721       27979       0     254      12000        0
         malloc-16     16      16     734          17       0     254      12000        0
           cryptop    280       0      42          10       0      30      11760        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           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    360       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
               ipq     56       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
udplite_inpcb ports     32       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
            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
     STS VFS Cache    144       0       0           0       0      62          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-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-4096   4096       0       0           0       0       2          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-1024   1024       0       0           0       0      16          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 (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/08 23:42 freebsd-src d80a97def9a1 f3234354 console log report ci-freebsd-i386 Fatal trap NUM: page fault in m_free
2024/04/08 23:23 freebsd-src d80a97def9a1 f3234354 console log report ci-freebsd-i386 Fatal trap NUM: page fault in m_free
* Struck through repros no longer work on HEAD.