syzbot


panic: mbuf:ADDR len:NUM rsm:ADDR oml:NUM soff:NUM

Status: fixed on 2023/10/05 00:18
Reported-by: syzbot+f5061a372f74f021ec02@syzkaller.appspotmail.com
Fix commit: 8818f0f1124e TCP: Fix a rack bug that skyzall found which results in a crash.
First crash: 466d, last: 416d

Sample crash report:
panic: mbuf:0xfffffe006fd9c700 len:175 rsm:0xfffffe0070418b80 oml:350 soff:0

cpuid = 0
time = 1696385193
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0053fb6830
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0053fb6990
vpanic() at vpanic+0x271/frame 0xfffffe0053fb6b30
panic() at panic+0xb5/frame 0xfffffe0053fb6c00
rack_adjust_orig_mlen() at rack_adjust_orig_mlen+0x534/frame 0xfffffe0053fb6c90
rack_adjust_sendmap_head() at rack_adjust_sendmap_head+0x372/frame 0xfffffe0053fb6dd0
rack_process_ack() at rack_process_ack+0xbd4/frame 0xfffffe0053fb6f30
rack_do_fin_wait_1() at rack_do_fin_wait_1+0x6a8/frame 0xfffffe0053fb70a0
rack_do_segment_nounlock() at rack_do_segment_nounlock+0x58e6/frame 0xfffffe0053fb7820
rack_do_segment() at rack_do_segment+0x1ce/frame 0xfffffe0053fb78f0
tcp_input_with_port() at tcp_input_with_port+0x20b7/frame 0xfffffe0053fb7bb0
tcp_input() at tcp_input+0x1f/frame 0xfffffe0053fb7bd0
ip_input() at ip_input+0xac9/frame 0xfffffe0053fb7cf0
swi_net() at swi_net+0x2f3/frame 0xfffffe0053fb7d90
ithread_loop() at ithread_loop+0x4eb/frame 0xfffffe0053fb7ef0
fork_exit() at fork_exit+0xc9/frame 0xfffffe0053fb7f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053fb7f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100031 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x217bc57(%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         0xffffffff826e0a40  .str.28
rsp         0xfffffe0053fb6970
rbp         0xfffffe0053fb6990
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                        0x2
r11                        0x1
r12                          0
r13         0xfffffe00542ed560
r14         0xffffffff826e0a40  .str.28
r15                          0
rip         0xffffffff815c4c3e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x217bc57(%rip)
db> show proc
Process 12 (intr) at 0xfffffe005422a580:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff836cafa0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff836cafa0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff836cbf40
   (map 0xffffffff836cbf40)
   (map.pmap 0xffffffff836cc000)
   (pmap 0xffffffff836cc070)
 threads: 22
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   Run     CPU 0                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   Run     CPU 1                       [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]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  991   773   771     0  RE                                  syz-executor2038039
  773   771   771     0  R                                   syz-executor2038039
  771   769   771     0  Ss      pause   0xfffffe006ff7c0d0  csh
  769   682   769     0  Ss      select  0xfffffe006fe8a2c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe00576c2cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005876a0b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005876a4b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005876a8b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe005876acb0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe005876b0b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe005876b4b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe005876b8b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe005876bcb0  getty
  738     1    18     0  S+      piperd  0xfffffe0058a1c5b0  logger
  737   736    18     0  S+      nanslp  0xffffffff83721c40  sleep
  736     1    18     0  S+      wait    0xfffffe006d7ddae0  sh
  686     1   686     0  Ss      nanslp  0xffffffff83721c40  cron
  682     1   682     0  Ss      select  0xfffffe00571a6440  sshd
  495     1   495     0  Ds      bo_wwai 0xfffffe006ff86da8  syslogd
  424     1   424     0  Ss      select  0xfffffe006fe8a640  devd
  423     1   423    65  Ss      select  0xfffffe006fe8a5c0  dhclient
  338     1   338     0  Ss      select  0xfffffe006fe8a540  dhclient
  335     1   335     0  Ss      select  0xfffffe00571a6540  dhclient
   17     0     0     0  DL      syncer  0xffffffff8383f360  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe00571d7040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff8383d980  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100095                   D       sdflush 0xfffffe00085fd8e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff838b0540  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff838983f8  [dom0]
100083                   D       launds  0xffffffff83898404  [laundry: dom0]
100084                   D       umarcl  0xffffffff81d4f890  [uma]
    7     0     0     0  DL      -       0xffffffff834b6c28  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff844743d0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff841514e0  [sctp_iterator]
    4     0     0     0  RL      (threaded)                  [cam]
100044                   RunQ                                [doneq0]
100045                   D       -       0xffffffff834812c0  [async]
100076                   D       -       0xffffffff83481140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83893c60  [crypto]
100042                   D       crypto_ 0xfffffe00540c6d30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe00540c6d80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00570f5488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836ca5e0  [g_event]
100036                   D       -       0xffffffff836ca600  [g_up]
100037                   D       -       0xffffffff836ca620  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   Run     CPU 0                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   Run     CPU 1                       [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    0xfffffe005422b040  [init]
   10     0     0     0  DL      audit_w 0xffffffff838946a0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836cafa0  [swapper]
100005                   D       -       0xfffffe00540da700  [softirq_0]
100006                   D       -       0xfffffe00540da600  [softirq_1]
100007                   D       -       0xfffffe00540da500  [if_io_tqg_0]
100008                   D       -       0xfffffe00540da400  [if_io_tqg_1]
100009                   D       -       0xfffffe00540da300  [if_config_tqg_0]
100010                   D       -       0xfffffe00079eee00  [pci_hp taskq]
100011                   D       -       0xfffffe00079eec00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00079ee600  [thread taskq]
100016                   D       -       0xfffffe00079ee200  [aiod_kick taskq]
100017                   D       -       0xfffffe00079ee000  [deferred_unmount ta]
100018                   D       -       0xfffffe00079edd00  [inm_free taskq]
100019                   D       -       0xfffffe00079edb00  [in6m_free taskq]
100020                   D       -       0xfffffe00079ed900  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00079ed700  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00079ed700  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00079ed700  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00079ed700  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00079ed200  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00079ed200  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00079ed200  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00079ed200  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00079ec600  [firmware taskq]
100039                   D       -       0xfffffe0054368900  [crypto_0]
100040                   D       -       0xfffffe0054368900  [crypto_1]
100055                   D       -       0xfffffe0057232500  [vtnet0 rxq 0]
100056                   D       -       0xfffffe0057232400  [vtnet0 txq 0]
100057                   D       -       0xfffffe0057232300  [vtnet0 rxq 1]
100058                   D       -       0xfffffe0057232200  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe005756f000  [virtio_balloon]
100066                   D       -       0xffffffff826e5c00  [deadlkres]
100070                   D       -       0xfffffe00079ec000  [acpi_task_0]
100071                   D       -       0xfffffe00079ec000  [acpi_task_1]
100072                   D       -       0xfffffe00079ec000  [acpi_task_2]
100074                   D       -       0xfffffe00079efa00  [mca taskq]
100075                   D       -       0xfffffe0054366c00  [CAM taskq]
db> show all locks
Process 991 (syz-executor2038039) thread 0xfffffe005895c000 (100111)
exclusive sleep mutex vm reserv (vm reserv) r = 0 (0xfffff8007c7e5660) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_reserv.c:1310
exclusive rw vmobject (vmobject) r = 0 (0xfffffe007002ee70) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_object.c:872
exclusive rw vmobject (vmobject) r = 0 (0xfffffe0070031420) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_object.c:586
Process 495 (syslogd) thread 0xfffffe005895f900 (100099)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006ff86cb0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3549
Process 12 (intr) thread 0xfffffe00542ed560 (100031)
exclusive sleep mutex so_snd (so_snd) r = 0 (0xfffffe0058ac1520) locked @ /syzkaller/managers/main/kernel/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:12311
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe006ffc8020) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:1457
Process 12 (intr) thread 0xfffffe0054318ac0 (100033)
exclusive sleep mutex tcp_hpts_lck (hpts) r = 0 (0xfffffe005424be00) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_hpts.c:1389
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4217
         sysctloid        34926         2058K        34997
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk          832         1232K          844
          vfscache            3         1025K            3
               pcb           23          669K           42
          inodedep           49          530K           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
           subproc           97          185K         1048
            acpica         1674          184K        60310
           tidhash            3          141K            3
              vmem            3          134K            4
           pagedep           14          132K           18
            linker          352          130K          385
        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          512           64K          512
       ddb_capture            1           64K            1
              temp           18           37K         1566
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
           kdtrace          153           31K         1104
              umtx          242           31K          242
               msg            4           30K            4
            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          161           14K          161
            KTRACE          100           13K          100
              kenv           95           12K           95
            ifaddr           30           12K           32
              rman           88           11K          431
              GEOM           61           11K          481
          routetbl           50           11K          176
         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           20            5K           20
             hhook           15            5K           17
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
            dirrem           17            5K           28
            plimit           17            5K          322
           tcp_fsb            2            5K          450
             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
            kqueue           41            3K          994
           session           20            3K           31
           pwddesc           40            3K          992
             clone            9            3K            9
           uidinfo            3            3K            8
         proc-args           63            3K         1914
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            Unitno           27            2K           41
           CAM XPT           22            2K          543
             lockf           15            2K           22
               msi           12            2K           12
         toponodes            6            2K            6
             selfd           22            2K        15646
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
            CC Mem            4            1K          225
       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
             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
          in_multi            2            1K            4
              cdev            2            1K            2
               osd            9            1K          238
    chacha20random            1            1K            1
            biobuf            1            1K            1
       inpcbpolicy           11            1K          357
          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
       lkpikmalloc            5            1K            6
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
           netlink            1            1K            1
          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         3839
          filecaps            4            1K           66
               tun            3            1K            3
          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
          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_do            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            4
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            mqdata            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            1
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            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       15534       0     254   38494208        0
              mbuf    256    8580    1082       19361       0     254    2473472        0
          BUF TRIE    144     192   11624         542       0      62    1701504        0
        malloc-384    384    4173      27        4519       0      30    1612800        0
        malloc-128    128   11486     232       11509       0     126    1499904        0
       malloc-4096   4096     326       2         488       0       2    1343488        0
       UMA Slabs 0    112   10582      32       10582       0     126    1188768        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   15487     104       15487       0     254     873096        0
              pbuf   2624       0     249           0       0       2     653376        0
         FFS inode   1160     499      19         508       0       8     600880        0
            lkpimm    168       1    3095           1       0      62     520128        0
          lkpicurr    168       2    3094           2       0      62     520128        0
        RADIX NODE    144    3274     221       27192       0      62     503280        0
            socket    960      19     489        1532       0     254     487680        0
      malloc-65536  65536       5       2         161       0       1     458752        0
        malloc-256    256    1222      83        2140       0      62     334080        0
        256 Bucket   2048     119      17         967       0       8     278528        0
         malloc-64     64    4056      39        5057       0     254     262080        0
         VM OBJECT    264     925      65       15860       0      30     261360        0
             VNODE    448     529      47         540       0      30     258048        0
         malloc-16     16   14456     294       14537       0     254     236000        0
            DEVCTL   1024       0     220         123       0       0     225280        0
            THREAD   1824     111      10         111       0       8     220704        0
       malloc-4096   4096      43       3         994       0       2     188416        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5326     344        6810       0     254     181440        0
       malloc-2048   2048       7      81         514       0       8     180224        0
        malloc-128    128    1192     203       28156       0     126     178560        0
       malloc-1024   1024     121      39        1702       0      16     163840        0
       FFS2 dinode    256     499      71         508       0      62     145920        0
         MAP ENTRY     96     898     488       42901       0     126     133056        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
             unpcb    256       7     503        1158       0     254     130560        0
       mbuf_packet    256       1     507         131       0     254     130048        0
       S VFS Cache    104     966     204        1007       0     126     121680        0
          ksiginfo    112      34    1010          49       0     126     116928        0
        malloc-128    128     675     224        1660       0     126     115072        0
     FPU_save_area    832     113      22         125       0      16     112320        0
        malloc-128    128     540     235        3896       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
      malloc-32768  32768       3       0           3       0       1      98304        0
          UMA Kegs    384     227       6         227       0      30      89472        0
        128 Bucket   1024      46      37         262       0      16      84992        0
      malloc-16384  16384       4       1         164       0       1      81920        0
              PROC   1376      40      15         991       0       8      75680        0
         filedesc0   1072      40      30         992       0       8      75040        0
             g_bio    408       4     176        4504       0      30      73440        0
         malloc-64     64     558     513        2623       0     254      68544        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-4096   4096      14       2         220       0       2      65536        0
       malloc-8192   8192       5       2         132       0       1      57344        0
         64 Bucket    512      61      43        1238       0      30      53248        0
         malloc-64     64     556     263       17962       0     254      52416        0
        malloc-128    128     159     244         433       0     126      51584        0
        malloc-256    256      89     106         702       0      62      49920        0
        malloc-256    256      43     152         394       0      62      49920        0
         32 Bucket    256      58     137        3061       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       12073       0      16      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-2048   2048       1      23         524       0       8      49152        0
          syncache    168       0     264           5       0     254      44352        0
         tcp_inpcb   1304       4      29         225       0       8      43032        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-4096   4096       8       2          12       0       2      40960        0
           VMSPACE    616      24      42         976       0      16      40656        0
         udp_inpcb    424       6      84         128       0      30      38160        0
            da_ccb    544       1      69        1258       0      16      38080        0
            pcpu-8      8    4289     319        4317       0     254      36864        0
         malloc-64     64      34     533       13552       0     254      36288        0
         malloc-64     64     160     407         160       0     254      36288        0
         malloc-64     64      15     552          19       0     254      36288        0
      tcp_rack_map    128       4     275         682       0     126      35712        0
        malloc-128    128      87     192          98       0     126      35712        0
        malloc-128    128       2     277         383       0     126      35712        0
        malloc-128    128      11     268          11       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      55      35          79       0      30      34560        0
        malloc-384    384      57      33          57       0      30      34560        0
        malloc-256    256       4     131         403       0      62      34560        0
        malloc-256    256      16     119          19       0      62      34560        0
        malloc-256    256       8     127         231       0      62      34560        0
        malloc-256    256      25     110         328       0      62      34560        0
        malloc-256    256      19     116          24       0      62      34560        0
      tcp_rack_pcb   1024       1      31         225       0      16      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
       malloc-4096   4096       5       3         559       0       2      32768        0
       malloc-2048   2048       7       9          16       0       8      32768        0
       malloc-2048   2048       4      12          90       0       8      32768        0
       malloc-2048   2048       5      11         196       0       8      32768        0
       malloc-1024   1024       2      30          13       0      16      32768        0
       malloc-1024   1024      16      16          16       0      16      32768        0
       malloc-1024   1024      14      18          14       0      16      32768        0
        malloc-512    512       1      63          11       0      30      32768        0
        malloc-512    512       3      61         179       0      30      32768        0
        malloc-512    512       2      62           8       0      30      32768        0
        malloc-512    512       9      55           9       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      20     244          31       0     126      31680        0
            clpbuf   2624       0      12          27       0       4      31488        0
          tcpreass     48       0     588           5       0     254      28224        0
         malloc-32     32     185     697        1445       0     254      28224        0
         malloc-32     32     306     576         381       0     254      28224        0
         16 Bucket    144      49     147         264       0      62      28224        0
          4 Bucket     48       6     582           9       0     254      28224        0
         TURNSTILE    136     122      67         122       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
             ripcb    392       1      62           4       0      30      24696        0
       malloc-4096   4096       1       5         227       0       2      24576        0
       malloc-4096   4096       6       0           6       0       2      24576        0
    ertt_txseginfo     40       3     603         521       0     254      24240        0
          rl_entry     40      26     580          26       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      71     229        6731       0     126      24000        0
          8 Bucket     80      53     247         324       0     126      24000        0
        malloc-384    384       1      59          22       0      30      23040        0
        malloc-384    384      28      32          29       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     122     134         122       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
   tcp_inpcb ports     32       2     628         219       0     254      20160        0
              ertt     72       4     276         225       0     126      20160        0
         malloc-64     64       2     313          19       0     254      20160        0
         malloc-64     64       2     313           2       0     254      20160        0
         malloc-32     32      54     576         416       0     254      20160        0
         malloc-32     32       6     624          20       0     254      20160        0
         malloc-32     32      23     607        2951       0     254      20160        0
         malloc-32     32       2     628           5       0     254      20160        0
          2 Bucket     32      46     584         290       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       1       3           2       0       2      16384        0
       malloc-2048   2048       0       8           2       0       8      16384        0
       malloc-2048   2048       4       4           5       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       5      11           5       0      16      16384        0
       malloc-1024   1024       8       8           8       0      16      16384        0
       malloc-1024   1024       1      15           1       0      16      16384        0
       malloc-1024   1024       2      14           2       0      16      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
        sctp_laddr     48       0     336           4       0     254      16128        0
         malloc-16     16     508     492        3543       0     254      16000        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
         malloc-32     32       6     372          19       0     254      12096        0
             KNOTE    160       0      75           8       0      62      12000        0
         malloc-16     16      33     717        1895       0     254      12000        0
         malloc-16     16      11     739          14       0     254      12000        0
         malloc-16     16      31     719       27734       0     254      12000        0
         malloc-16     16       2     748         114       0     254      12000        0
        malloc-384    384      11      19          11       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
        malloc-384    384      13      17          13       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       0     334        2338       0     254       8016        0
         malloc-16     16       1     499           1       0     254       8000        0
         malloc-16     16       3     497           5       0     254       8000        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    352       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
       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   1176       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
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    424       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
           netlink   2048       0       0           0       0       8          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-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
           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 (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/04 02:08 freebsd-src fbb3f13b1553 65faba36 console log report syz C ci-freebsd-main panic: mbuf:ADDR len:NUM rsm:ADDR oml:NUM soff:NUM
2023/10/04 01:18 freebsd-src fbb3f13b1553 65faba36 console log report ci-freebsd-main panic: mbuf:ADDR len:NUM rsm:ADDR oml:NUM soff:NUM
2023/09/10 18:11 freebsd-src 3482f57f0fdf 6654cf89 console log report ci-freebsd-main panic: mbuf:ADDR len:NUM rsm:ADDR oml:NUM soff:NUM
2023/08/15 21:36 freebsd-src 81b41b2ef5bf 39990d51 console log report ci-freebsd-i386 panic: mbuf:ADDR len:NUM rsm:ADDR oml:NUM soff:NUM
* Struck through repros no longer work on HEAD.