syzbot


Fatal trap NUM: general protection fault in m_free

Status: closed as dup on 2024/04/09 03:50
Reported-by: syzbot+e9e969d66ce52f2b6cbf@syzkaller.appspotmail.com
First crash: 229d, last: 228d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: Unaligned free of ADDR from zone ADDR(mbuf) slab ADDR(NUM) C 28 228d 229d

Sample crash report:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer	= 0x20:0xffffffff81480bfe
stack pointer	        = 0x28:0xfffffe006d2066e0
frame pointer	        = 0x28:0xfffffe006d206710
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		= 773 (syz-executor4143839)
rdi: 1fffffc00da40d1c rsi: 0000000000000000 rdx: 000000000da40d0e
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 0000000000000009
rax: fffffe00033eee30 rbx: 1fffffc00da40d1c rbp: fffffe006d206710
r10: 0000000000000000 r11: fffffe006d0f1520 r12: fffffe006d206870
r13: fffffe006d2068b0 r14: 1fffffc00da40d1c r15: 0000000000000009
trap number		= 9
panic: general protection fault
cpuid = 1
time = 1712631164
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe006d205f30
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe006d206090
vpanic() at vpanic+0x26a/frame 0xfffffe006d206250
panic() at panic+0xb5/frame 0xfffffe006d206310
trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe006d206430
trap() at trap+0xc12/frame 0xfffffe006d206610
calltrap() at calltrap+0x8/frame 0xfffffe006d206610
--- trap 0x9, rip = 0xffffffff81480bfe, rsp = 0xfffffe006d2066e0, rbp = 0xfffffe006d206710 ---
m_free() at m_free+0x1e/frame 0xfffffe006d206710
m_freem() at m_freem+0x48/frame 0xfffffe006d206730
uipc_sosend_stream_or_seqpacket() at uipc_sosend_stream_or_seqpacket+0x1237/frame 0xfffffe006d2069a0
sousrsend() at sousrsend+0x117/frame 0xfffffe006d206a30
kern_sendit() at kern_sendit+0x4fc/frame 0xfffffe006d206b90
sendit() at sendit+0x15f/frame 0xfffffe006d206bf0
sys_sendto() at sys_sendto+0x181/frame 0xfffffe006d206d10
amd64_syscall() at amd64_syscall+0x4cb/frame 0xfffffe006d206f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe006d206f30
--- syscall (0, FreeBSD ELF64, syscall), rip = 0x233d5a, rsp = 0x82048e6b8, rbp = 0x82048e6d0 ---
KDB: enter: panic
[ thread pid 773 tid 100112 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe00033eee30
rdx         0xdffff7c000000000
rbx         0xffffffff826ed680  .str.27
rsp         0xfffffe006d206070
rbp         0xfffffe006d206090
rsi                          0
rdi         0xffffffff82e004b0  panicstr
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe006d0f1000
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 773 (syz-executor4143839) at 0xfffffe006d67e000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 771 at 0xfffffe00579eeb00
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: ./syz-executor4143839324
 reaper: 0xfffffe005420b040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0058aa3c08
   (map 0xfffffe0058aa3c08)
   (map.pmap 0xfffffe0058aa3cc8)
   (pmap 0xfffffe0058aa3d38)
 threads: 1
100112                   Run     CPU 1                       syz-executor4143839
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  773   771   771     0  R       CPU 1                       syz-executor4143839
  771   769   771     0  Ss      pause   0xfffffe00579eebb0  csh
  769   682   769     0  Ss      select  0xfffffe0007877540  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe0007d1e4b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005874a8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005874b0b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005874b8b0  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     1    18     0  S+      piperd  0xfffffe0058aabe38  logger
  737   736    18     0  S+      nanslp  0xffffffff83956481  sleep
  736     1    18     0  S+      wait    0xfffffe00579ee040  sh
  686     1   686     0  Ss      nanslp  0xffffffff83956481  cron
  682     1   682     0  Ss      select  0xfffffe0007877a40  sshd
  495     1   495     0  Ss      select  0xfffffe0007877bc0  syslogd
  424     1   424     0  Ss      select  0xfffffe006ce3d1c0  devd
  423     1   423    65  Ss      select  0xfffffe006ce3d140  dhclient
  338     1   338     0  Ss      select  0xfffffe006ce3ce40  dhclient
  335     1   335     0  Ss      select  0xfffffe0007877dc0  dhclient
   17     0     0     0  DL      syncer  0xffffffff83a73ba0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0007cea060  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83a72180  [bufdaemon]
100082                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058977ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83abb680  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83aa34f8  [dom0]
100080                   D       launds  0xffffffff83aa3504  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d508d0  [uma]
    7     0     0     0  DL      -       0xffffffff836d3cb0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84489bb0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84823760  [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                   Run     CPU 0                       [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]
db> show all locks
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          854         1238K          871
          vfscache            3         1025K            3
               pcb           23          669K           42
          inodedep           50          531K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          100          200K          100
           subproc          107          186K          841
            acpica         1674          184K        60830
           tidhash            3          141K            3
              vmem            3          134K            4
           pagedep           14          132K           18
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
        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
              temp           18           37K         1566
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
           kdtrace          153           31K          887
               msg            4           30K            4
              umtx          240           30K          240
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1687
      eventhandler          162           14K          162
              kenv           95           12K           95
            ifaddr           30           12K           32
              GEOM           61           11K          481
          routetbl           50           11K          176
              rman           86           11K          451
         CAM queue            5           11K         1528
         bmsafemap            4            9K           39
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          238            8K          300
         taskqueue           63            7K           63
            sglist            6            7K            6
           CAM DEV            3            6K          510
              cred           23            6K          274
         pfs_nodes           22            6K           22
             hhook           15            5K           17
       ufs_dirhash           24            5K           24
               UMA          267            5K          267
            dirrem           17            5K           28
            plimit           17            5K          322
             ifnet            3            5K            3
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
          filedesc            1            4K            1
             evdev            4            4K            4
           acpisem           28            4K           28
       ether_multi           40            4K           50
            diradd           25            4K           36
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
           session           20            3K           31
            kqueue           40            3K          776
           pwddesc           40            3K          774
             clone            9            3K            9
           uidinfo            3            3K            8
         proc-args           62            3K         1696
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K        13130
            Unitno           27            2K           41
           CAM XPT           22            2K          543
             lockf           15            2K           22
               msi           12            2K           12
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
            select            7            1K           29
        CAM periph            4            1K          271
             ipsec            3            1K            3
          indirdep            3            1K            3
            CC Mem            3            1K            7
             nhops            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
           netlink            2            1K           12
          in_multi            2            1K            4
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
               osd            8            1K           20
    chacha20random            1            1K            1
            biobuf            1            1K            1
       inpcbpolicy           10            1K          139
          sctp_ifn            2            1K            6
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          procdesc            1            1K            6
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         3328
          filecaps            4            1K           66
          sctp_vrf            1            1K            1
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            4
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            mqdata            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
      tcp_pcm_rack            0            0K            0
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            0            0K            0
           filemon            0            0K            0
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
               ixl            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
        aesni_data            0            0K            0
            xenbus            0            0K            0
     vm_fictitious            0            0K            0
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           15
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            2
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefile            0            0K            9
          freeblks            0            0K           25
          freefrag            0            0K            6
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
          ktls_ocf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
      MLX5E_TLS_RX            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
       simple_attr            0            0K            0
          seq_file            0            0K            0
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               idr            0            0K            0
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            lkpifw            0            0K            0
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               NLM            0            0K            0
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            tcplog            0            0K            0
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              ipid            0            0K            0
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        80211power            0            0K            0
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            statfs            0            0K          195
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filedesc_to_leader            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       15762       0     254   38494208        0
              mbuf    256    8578    1084       18950       0     254    2473472        0
          BUF TRIE    144     227   11561         580       0      62    1697472        0
        malloc-384    384    4200      30        4213       0      30    1624320        0
       malloc-4096   4096     372       4        1822       0       2    1540096        0
        malloc-128    128   11444     150       11505       0     126    1484032        0
       UMA Slabs 0    112   10671      15       10671       0     126    1196832        0
      malloc-65536  65536      15       1          18       0       1    1048576        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   15388      59       15388       0     254     865032        0
         FFS inode   1168     515      24         526       0       8     629552        0
              pbuf   2624       0     202           0       0       2     530048        0
          lkpicurr    168       2    3094           2       0      62     520128        0
        RADIX NODE    144    3428     179       23713       0      62     519408        0
            socket    960      20     488        1316       0     254     487680        0
        256 Bucket   2048     119      17         968       0       8     278528        0
         malloc-64     64    3803     292        3815       0     254     262080        0
         VM OBJECT    264     940      50       14136       0      30     261360        0
             VNODE    448     545      31         558       0      30     258048        0
        malloc-256    256     865      65         902       0      62     238080        0
         malloc-16     16   14403      97       14500       0     254     232000        0
       malloc-2048   2048     105       7         106       0       8     229376        0
            DEVCTL   1024       0     220         123       0       0     225280        0
            THREAD   1824     112       8         112       0       8     218880        0
        malloc-128    128    1285     234       28869       0     126     194432        0
         UMA Zones    768     239       0         239       0      16     183552        0
         malloc-32     32    5279     391        5310       0     254     181440        0
            lkpimm     56       1    3095           1       0     254     173376        0
       malloc-1024   1024     133      27         161       0      16     163840        0
       FFS2 dinode    256     515      55         524       0      62     145920        0
      malloc-65536  65536       0       2          54       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
             unpcb    256       9     501        1160       0     254     130560        0
       mbuf_packet    256       0     508         117       0     254     130048        0
       S VFS Cache    104     982     188        1023       0     126     121680        0
         MAP ENTRY     96     893     367       40280       0     126     120960        0
          ksiginfo    112      35    1009          50       0     126     116928        0
        malloc-128    128     600     299        1561       0     126     115072        0
       malloc-2048   2048       9      47        1074       0       9     114688        0
     FPU_save_area    832     114      21         126       0      16     112320        0
      malloc-32768  32768       3       0           3       0       1      98304        0
        malloc-256    256     323      52         982       0      62      96000        0
              PROC   1376      39      27         773       0       8      90816        0
          UMA Kegs    384     226       7         226       0      30      89472        0
       malloc-8192   8192       8       1          10       0       1      73728        0
       malloc-4096   4096      16       2          30       0       2      73728        0
        128 Bucket   1024      42      25         239       0      16      68608        0
         malloc-64     64     631     440       15008       0     254      68544        0
        malloc-128    128     293     234         430       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       1       1          12       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-16384  16384       4       0           5       0       1      65536        0
             g_bio    408       0     150        4732       0      30      61200        0
         filedesc0   1072      40      16         774       0       8      60032        0
         malloc-64     64     308     511        1854       0     254      52416        0
         malloc-64     64     467     352         895       0     254      52416        0
        malloc-128    128     298     105         320       0     126      51584        0
        malloc-256    256      65     130         730       0      62      49920        0
        malloc-256    256      74     121         197       0      62      49920        0
        malloc-256    256      66     129         626       0      62      49920        0
         32 Bucket    256      51     144        1373       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       12092       0      16      49152        0
       malloc-8192   8192       6       0           7       0       1      49152        0
       malloc-4096   4096       9       3          18       0       2      49152        0
       malloc-1024   1024      10      38        1375       0      16      49152        0
          syncache    168       0     264           5       0     254      44352        0
           VMSPACE    616      23      43         758       0      16      40656        0
         udp_inpcb    416       6      84         128       0      30      37440        0
            pcpu-8      8    4275     333        4303       0     254      36864        0
         64 Bucket    512      65       7        1035       0      30      36864        0
         malloc-64     64      39     528       13166       0     254      36288        0
         malloc-64     64      53     514         693       0     254      36288        0
         malloc-64     64      54     513         799       0     254      36288        0
         malloc-64     64      25     542          29       0     254      36288        0
        malloc-128    128       5     274           6       0     126      35712        0
        malloc-128    128      38     241        3304       0     126      35712        0
        malloc-128    128      67     212          72       0     126      35712        0
     routing nhops    256      10     125          17       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      62      28          83       0      30      34560        0
        malloc-384    384      68      22         411       0      30      34560        0
        malloc-256    256      42      93         166       0      62      34560        0
        malloc-256    256       7     128         108       0      62      34560        0
        malloc-256    256       8     127         344       0      62      34560        0
      malloc-16384  16384       2       0           2       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-8192   8192       3       1          29       0       1      32768        0
       malloc-2048   2048       4      12          16       0       8      32768        0
       malloc-2048   2048       7       9          23       0       8      32768        0
       malloc-2048   2048       0      16          40       0       8      32768        0
       malloc-2048   2048       3      13         194       0       8      32768        0
       malloc-1024   1024       2      30          42       0      16      32768        0
       malloc-1024   1024       5      27           9       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       2      62          22       0      30      32768        0
        malloc-512    512       4      60          14       0      30      32768        0
        malloc-512    512       4      60          55       0      30      32768        0
           pcpu-64     64     488      24         488       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      20     244          31       0     126      31680        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         malloc-32     32     269     613        3280       0     254      28224        0
          4 Bucket     48       4     584           5       0     254      28224        0
            da_ccb    544       0      49        1321       0      16      26656        0
         TURNSTILE    136     121      68         121       0      62      25704        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         197       0       2      24576        0
    ertt_txseginfo     40       1     605         297       0     254      24240        0
          rl_entry     40      28     578          28       0     254      24240        0
               PWD     40      10     596          99       0     254      24240        0
           rtentry    168      13     131          17       0      62      24192        0
              pipe    728       7      26         282       0      16      24024        0
             Files     80      73     227        6515       0     126      24000        0
          8 Bucket     80      35     265         226       0     126      24000        0
         tcp_inpcb   1304       3      15           7       0       8      23472        0
             ripcb    384       1      59           4       0      30      23040        0
        malloc-384    384       1      59           4       0      30      23040        0
        malloc-384    384       1      59          20       0      30      23040        0
        malloc-384    384       9      51          12       0      30      23040        0
        SLEEPQUEUE     88     121     135         121       0     126      22528        0
            clpbuf   2624       0       8          28       0       4      20992        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
         malloc-32     32      82     548          84       0     254      20160        0
         malloc-32     32     102     528        1610       0     254      20160        0
         malloc-32     32      69     561         179       0     254      20160        0
         malloc-32     32      16     614         186       0     254      20160        0
         malloc-32     32      59     571         951       0     254      20160        0
         malloc-32     32      29     601          50       0     254      20160        0
         16 Bucket    144      49      91         295       0      62      20160        0
          2 Bucket     32      50     580         305       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       3       1           3       0       2      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       1      15           4       0      16      16384        0
       malloc-1024   1024       8       8           8       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
              kenv    258      17      43        1069       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
   tcp_inpcb ports     32       1     377           1       0     254      12096        0
             KNOTE    160       0      75           8       0      62      12000        0
         malloc-16     16      28     722          67       0     254      12000        0
         malloc-16     16     292     458         456       0     254      12000        0
         malloc-16     16      34     716          76       0     254      12000        0
         malloc-16     16       2     748          91       0     254      12000        0
         malloc-16     16     209     541        4340       0     254      12000        0
         malloc-16     16      24     726       27774       0     254      12000        0
         malloc-16     16      16     734          17       0     254      12000        0
        malloc-384    384      11      19          11       0      30      11520        0
       Mountpoints   2816       2       2           2       0       4      11264        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
      vtnet_tx_hdr     24       0     334        2226       0     254       8016        0
           pcpu-16     16       4     252           4       0     254       4096        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   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
      tcp_rack_pcb   1216       0       0           0       0       8          0        0
      tcp_rack_map    128       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
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_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2256       0       0           0       0     254          0        0
           sctp_ep   1144       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
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    416       0       0           0       0      30          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
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
               AIO    208       0       0           0       0      62          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-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-2048   2048       0       0           0       0       8          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-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
2024/04/09 02:54 freebsd-src d80a97def9a1 f3234354 console log report syz C ci-freebsd-main Fatal trap NUM: general protection fault in m_free
2024/04/09 00:42 freebsd-src d80a97def9a1 f3234354 console log report syz C ci-freebsd-main Fatal trap NUM: general protection fault in m_free
* Struck through repros no longer work on HEAD.