syzbot


panic: executing segment marked as unreachable at /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:LINE (in_pcbremlb

Status: upstream: reported on 2025/04/19 17:49
Reported-by: syzbot+4feacbd82d8ebcf1a9f5@syzkaller.appspotmail.com
First crash: 41d, last: 41d

Sample crash report:
panic: executing segment marked as unreachable at /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:511 (in_pcbremlbgrouphash)

cpuid = 0
time = 1745084883
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00574cc0f0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00574cc250
vpanic() at vpanic+0x257/frame 0xfffffe00574cc410
panic() at panic+0xb5/frame 0xfffffe00574cc4d0
in_pcbremlbgrouphash() at in_pcbremlbgrouphash+0x3e4/frame 0xfffffe00574cc530
in_pcbremhash_locked() at in_pcbremhash_locked+0xb2/frame 0xfffffe00574cc570
in_pcbdrop() at in_pcbdrop+0x98/frame 0xfffffe00574cc590
tcp_close() at tcp_close+0x177/frame 0xfffffe00574cc660
tcp_disconnect() at tcp_disconnect+0x1ef/frame 0xfffffe00574cc690
tcp_usr_close() at tcp_usr_close+0x189/frame 0xfffffe00574cc770
soclose() at soclose+0x3d0/frame 0xfffffe00574cc860
_fdrop() at _fdrop+0x58/frame 0xfffffe00574cc890
closef() at closef+0x655/frame 0xfffffe00574cca70
fdescfree() at fdescfree+0xa5e/frame 0xfffffe00574ccc50
exit1() at exit1+0x887/frame 0xfffffe00574cccf0
sys_exit() at sys_exit+0x28/frame 0xfffffe00574ccd10
amd64_syscall() at amd64_syscall+0x4af/frame 0xfffffe00574ccf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00574ccf30
--- syscall (1, FreeBSD ELF64, exit), rip = 0x3a1d1a, rsp = 0x820b98418, rbp = 0x820b98420 ---
KDB: enter: panic
[ thread pid 826 tid 100139 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23e7bb7(%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                          0
rbx         0xffffffff82752f40  .str.27
rsp         0xfffffe00574cc230
rbp         0xfffffe00574cc250
rsi                          0
rdi         0xffffffff815dbb59  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x43
r12         0xfffffe0054924740
r13         0xfffffffffffffffe
r14         0xffffffff82752f40  .str.27
r15                          0
rip         0xffffffff815c64de  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23e7bb7(%rip)
db> show proc
Process 826 (syz-executor) at 0xfffffe0054909ae0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 764 at 0xfffffe00548e6000
 ABI: FreeBSD ELF64
 flag: 0x10002000  flag2: 0x40000
 arguments: ./syz-executor exec
 reaper: 0xfffffe0008007040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe000800ddb0
   (map 0xfffffe000800ddb0)
   (map.pmap 0xfffffe000800de50)
   (pmap 0xfffffe000800dec0)
 threads: 1
100139                   Run     CPU 0                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  826   764   764     0  RE      CPU 0                       syz-executor
  825     0     0     0  DL      aiordy  0xfffffe005490a040  [aiod4]
  824     0     0     0  DL      aiordy  0xfffffe00548e7020  [aiod3]
  823     0     0     0  DL      aiordy  0xfffffe005490a5a0  [aiod2]
  822     0     0     0  DL      aiordy  0xfffffe005490ab00  [aiod1]
  820   814   765     0  S       uwait   0xfffffe0058a9c700  syz-executor
  819   807   819     0  Ss      select  0xfffffe0058cefe40  dhclient
  816   767   767     0  S       (threaded)                  syz-executor
100090                   S       nanslp  0xffffffff8398f401  syz-executor
100128                   S       kqread  0xfffffe006be88300  syz-executor
100135                   S       uwait   0xfffffe0058a9a380  syz-executor
  815     1   815     0  Ss      select  0xfffffe0058cefd40  dhclient
  814   765   765     0  R       (threaded)                  syz-executor
100121                   Run     CPU 1                       syz-executor
100127                   D       biowr   0xfffffe00084ebda0  syz-executor
100129                   S       uwait   0xfffffe006eb1a600  syz-executor
  811   766   766     0  S       (threaded)                  syz-executor
100099                   S       nanslp  0xffffffff8398f401  syz-executor
100126                   S       connec  0xfffffe006beda0da  syz-executor
100131                   S       uwait   0xfffffe0058cf0900  syz-executor
100133                   S       uwait   0xfffffe0058cf0a00  syz-executor
  807   786   424    65  S       select  0xfffffe006eb1ac40  dhclient
  786   424   424     0  S       wait    0xfffffe00548e85a0  sh
  767   763   767     0  R                                   syz-executor
  766   763   766     0  S       nanslp  0xffffffff8398f401  syz-executor
  765   763   765     0  S       nanslp  0xffffffff8398f401  syz-executor
  764   763   764     0  S       nanslp  0xffffffff8398f401  syz-executor
  763   761   761     0  S       select  0xfffffe005859cb40  syz-executor
  761   759   761     0  Ss      pause   0xfffffe00548db110  csh
  759   682   759     0  Ss      select  0xfffffe0058cf0340  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe000826d8b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0058e218b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0058e21cb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0058e220b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0058e224b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0058e228b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0058e22cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0058e230b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0058e234b0  getty
  738     1    18     0  S+      piperd  0xfffffe006bc12e60  logger
  737   736    18     0  S+      nanslp  0xffffffff8398f401  sleep
  736     1    18     0  S+      wait    0xfffffe00548db5c0  sh
  686     1   686     0  Ss      nanslp  0xffffffff8398f400  cron
  682     1   682     0  Ss      select  0xfffffe0058cf0440  sshd
  495     1   495     0  Ss      select  0xfffffe0058a9c940  syslogd
  424     1   424     0  Ss      wait    0xfffffe0008008060  devd
  423     1   423    65  Ss      select  0xfffffe0058a9c8c0  dhclient
  338     1   338     0  Ss      select  0xfffffe0058a9cac0  dhclient
  335     1   335     0  Ss      select  0xfffffe0058a9c7c0  dhclient
   17     0     0     0  DL      syncer  0xffffffff83aacca0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0008026040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       psleep  0xffffffff83aab260  [bufdaemon]
100083                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100096                   D       sdflush 0xfffffe006bcc4ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83af6240  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100078                   D       psleep  0xffffffff83adc1b8  [dom0]
100081                   D       launds  0xffffffff83adc1c4  [laundry: dom0]
100082                   D       umarcl  0xffffffff81d89660  [uma]
    7     0     0     0  DL      -       0xffffffff8370cbd0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff8464b710  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8429e580  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff836d7340  [doneq0]
100047                   D       -       0xffffffff836d72c0  [async]
100076                   D       -       0xffffffff836d7140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100043                   D       crypto_ 0xffffffff83ad79e0  [crypto]
100044                   D       crypto_ 0xfffffe0008278d30  [crypto returns 0]
100045                   D       crypto_ 0xfffffe0008278d80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00584cb488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83937de0  [g_event]
100038                   D       -       0xffffffff83937e00  [g_up]
100039                   D       -       0xffffffff83937e20  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100031                   I                                   [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: 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    0xfffffe0008007040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ad8480  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84a16ff0  [swapper]
100005                   D       -       0xfffffe0008bde900  [softirq_0]
100006                   D       -       0xfffffe0008bde800  [softirq_1]
100007                   D       -       0xfffffe0008bde700  [if_io_tqg_0]
100008                   D       -       0xfffffe0008bde600  [if_io_tqg_1]
100009                   D       -       0xfffffe0008bde500  [if_config_tqg_0]
100010                   D       -       0xfffffe0008bde400  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0008bde300  [jail_remove taskq]
100012                   D       -       0xfffffe0008bde200  [bus taskq]
100015                   D       -       0xfffffe0008bdde00  [thread taskq]
100017                   D       -       0xfffffe0008bddc00  [aiod_kick taskq]
100018                   D       -       0xfffffe0008bddb00  [deferred_unmount ta]
100019                   D       -       0xfffffe0008bdda00  [inm_free taskq]
100020                   D       -       0xfffffe0008bdd900  [in6m_free taskq]
100021                   D       -       0xfffffe0008bdd800  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0008bdd700  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0008bdd700  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0008bdd700  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0008bdd700  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0008bdd600  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0008bdd600  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0008bdd600  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0008bdd600  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0008bdd400  [firmware taskq]
100041                   D       -       0xfffffe0008bdc800  [crypto_0]
100042                   D       -       0xfffffe0008bdc800  [crypto_1]
100057                   D       -       0xfffffe00585ea100  [vtnet0 rxq 0]
100058                   D       -       0xfffffe00585ea000  [vtnet0 txq 0]
100059                   D       -       0xfffffe00585e9e00  [vtnet0 rxq 1]
100060                   D       -       0xfffffe00585e9d00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0058599680  [virtio_balloon]
100066                   D       -       0xffffffff82758280  [deadlkres]
100070                   D       -       0xfffffe0008bdc300  [acpi_task_0]
100071                   D       -       0xfffffe0008bdc300  [acpi_task_1]
100072                   D       -       0xfffffe0008bdc300  [acpi_task_2]
100074                   D       -       0xfffffe0008bdea00  [mca taskq]
100075                   D       -       0xfffffe0008bdc100  [CAM taskq]
100077                   D       -       0xfffffe0058c45a00  [ipsec_offload]
100141                   D       -       0xfffffe006ead2900  [netlink_socket (PID]
db> show all locks
Process 826 (syz-executor) thread 0xfffffe0054924740 (100139)
exclusive sleep mutex tcphash (tcphash) r = 0 (0xfffffe0007feca70) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:2717
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe006e6e1aa0) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:1313
Process 814 (syz-executor) thread 0xfffffe005491d740 (100127)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe00084ebe20) locked @ /syzkaller/managers/main/kernel/sys/ufs/ffs/ffs_vnops.c:328
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006eada598) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:3373
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          376         5023K          497
          tcp_hpts            7         4801K            7
            devbuf         4188         4324K         4213
         sysctloid        34737         2046K        34812
             vtbuf           24         1968K           46
              kobj          330         1320K          494
            newblk          408         1126K          458
          vfscache            3         1025K            3
               pcb           32          676K           59
          inodedep           71          539K          111
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          124          254K          895
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K          106
            acpica         1674          184K        54408
          filedesc           20          153K           79
              vmem            5          144K            6
           tidhash            3          141K            3
           pagedep           23          134K           36
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus          994           81K         5040
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          520           65K          520
       ddb_capture            1           64K            1
              temp           36           38K         1842
           kdtrace          193           38K          971
              umtx          288           36K          288
               BPF           22           36K           22
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          128           32K          138
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
               LRO           18           19K           18
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           90           15K           90
            bus-sc           34           15K         1637
      eventhandler          163           14K          163
           lltable           43           14K           43
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
              GEOM           61           11K          477
         CAM queue            5           11K         1528
              rman           82           10K          437
               rpc            8            9K            8
            plimit           23            9K          334
         in6_multi           65            9K           65
         bmsafemap            3            9K           73
           devstat            4            9K            4
              UART           12            9K           12
           filemon            1            8K            1
              ksem            1            8K            3
             shmfd            1            8K            5
       pfs_vncache            1            8K            1
     audit_evclass          239            8K          301
         taskqueue           72            8K           72
              cred           26            7K          190
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
            dirrem           20            5K           49
       ufs_dirhash           24            5K           24
            diradd           36            5K           70
               UMA          265            5K          265
          pf_ifnet           10            5K           19
                vt           11            5K           11
            kqueue           59            5K          835
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
             mount           36            4K          168
           pwddesc           56            4K          828
           acpisem           28            4K           28
             selfd           48            3K         7291
            DEVFSP           47            3K           50
          terminal           11            3K           11
           session           22            3K           33
         proc-args           83            3K         1871
          indirdep           10            3K           10
           acpidev           20            3K           20
             lockf           22            3K           32
             hhook            8            3K           10
             clone            9            3K            9
           uidinfo            3            3K            7
          kcovinfo           36            3K           36
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
            Unitno           31            2K           50
             mkdir           14            2K           44
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
         sctp_atcl            4            2K            4
          in_multi            6            2K            8
               tun            4            2K            4
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
            select           11            2K           30
         newdirblk           10            2K           22
               msi            9            2K            9
           netlink            2            2K           71
         sctp_stro            1            1K            1
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
            CC Mem            7            1K            9
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
               mld            6            1K            6
              igmp            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            6
          pci_link           10            1K           10
               osd           12            1K           25
            crypto            4            1K            4
 encap_export_host           12            1K           12
       inpcbpolicy           16            1K          160
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
    chacha20random            1            1K            1
            biobuf            1            1K            1
            vnodes            1            1K            1
          procdesc            2            1K            8
        loginclass            4            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
         sctp_atky            5            1K            5
           tcpfunc            3            1K            3
            prison            6            1K            6
            soname            5            1K         3311
         cryptodev            2            1K           35
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
               aio            4            1K            4
          pmchooks            1            1K            1
          filecaps            5            1K           72
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          sctp_vrf            1            1K            1
         sctp_athm            4            1K            4
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           33
          acpiintr            1            1K            1
          sctp_map            2            1K            2
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           30
          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
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
            mqdata            0            0K            0
      tcp_pcm_rack            0            0K            0
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            1
         sctp_iter            0            0K           12
         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_a_it            0            0K           12
         sctp_aadr            0            0K            0
         sctp_stri            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
      NMI handlers            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
      amdiommu_dom            0            0K            0
      amdiommu_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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       12210       0     254   38494208        0
              mbuf    256    8612    1050       14501       0     254    2473472        0
          BUF TRIE    152     214   11590         448       0      62    1794208        0
        malloc-384    384    4173      27        4517       0      30    1612800        0
        malloc-128    128   11513      81       11586       0     126    1484032        0
       malloc-4096   4096     330       4         494       0       2    1368064        0
       UMA Slabs 0    112   10879      23       10879       0     126    1221024        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
        RADIX NODE    152    6294     175       26344       0      62     983288        0
         vmem btag     56   15746     133       15746       0     254     889224        0
      malloc-65536  65536       9       1          12       0       1     655360        0
         FFS inode   1168     540      20         557       0       8     654080        0
         sctp_asoc   2256       1     254           1       0     254     575280        0
              pbuf   2624       0     202           0       0       2     530048        0
            socket   1024      34     474        1358       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
      malloc-65536  65536       4       2         174       0       1     393216        0
         VM OBJECT    264    1132      38       13404       0      30     308880        0
           sctp_ep   1152       3     256           3       0     254     298368        0
      malloc-16384  16384      13       4         221       0       1     278528        0
         malloc-64     64    4087     260        4913       0     254     278208        0
             VNODE    440     577      53         596       0      30     277200        0
            THREAD   1824     135       9         142       0       8     262656        0
        256 Bucket   2048     113      15         964       0       8     262144        0
       malloc-4096   4096      58       4         829       0       2     253952        0
         malloc-16     16   14340     410       14434       0     254     236000        0
       malloc-2048   2048     101      11         125       0       8     229376        0
            DEVCTL   1024      21     199         148       0       0     225280        0
        malloc-128    128    1224     295       25616       0     126     194432        0
        sctp_raddr    736       1     263           1       0     254     194304        0
        malloc-256    256     683      67        1653       0      62     192000        0
         UMA Zones    768     237       2         237       0      16     183552        0
         malloc-32     32    5348     322        6593       0     254     181440        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320      12     504        1168       0     254     165120        0
      malloc-32768  32768       3       2         123       0       1     163840        0
       malloc-1024   1024     125      35        1856       0      16     163840        0
       FFS2 dinode    256     540      30         556       0      62     145920        0
         MAP ENTRY     96    1289      97       41683       0     126     133056        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       mbuf_packet    256       1     507         134       0     254     130048        0
       S VFS Cache    104    1001     169        1051       0     126     121680        0
     FPU_save_area    832     137       7         154       0      16     119808        0
          ksiginfo    112      50     994          69       0     126     116928        0
        malloc-128    128     761     138        1830       0     126     115072        0
       malloc-2048   2048      10      46        1233       0       8     114688        0
        malloc-128    128     531     244        3850       0     126      99200        0
              PROC   1376      56      10         827       0       8      90816        0
          UMA Kegs    384     223       0         223       0      30      85632        0
        128 Bucket   1024      43      40         238       0      16      84992        0
         filedesc0   1072      57      13         828       0       8      75040        0
             g_bio    408       4     176        4887       0      30      73440        0
         malloc-64     64     579     492        2382       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       7       1         114       0       1      65536        0
       malloc-4096   4096      13       3          27       0       2      65536        0
        malloc-256    256     148     107         446       0      62      65280        0
         32 Bucket    256      59     196        2276       0      62      65280        0
        malloc-384    384     124      26         476       0      30      57600        0
       malloc-4096   4096       8       6         572       0       2      57344        0
         malloc-64     64     596     223        1552       0     254      52416        0
        malloc-256    256      86     109         465       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       1      47       12716       0      16      49152        0
       malloc-8192   8192       6       0           7       0       1      49152        0
          syncache    168       0     264           3       0     254      44352        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-4096   4096       8       2          13       0       2      40960        0
       malloc-4096   4096      10       0          10       0       2      40960        0
            pcpu-8      8    4707     413        4863       0     254      40960        0
            da_ccb    544       1      69        1322       0      16      38080        0
         64 Bucket    512      65       7        1699       0      30      36864        0
         udp_inpcb    408       6      84         145       0      30      36720        0
         malloc-64     64      18     549       13533       0     254      36288        0
         malloc-64     64     191     376         191       0     254      36288        0
         malloc-64     64      62     505        7363       0     254      36288        0
         malloc-64     64      73     494         845       0     254      36288        0
        malloc-128    128      69     210          70       0     126      35712        0
        malloc-128    128      46     233         218       0     126      35712        0
        malloc-128    128       0     279         144       0     126      35712        0
        malloc-128    128       9     270           9       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      73      17          73       0      30      34560        0
        malloc-256    256      11     124         410       0      62      34560        0
        malloc-256    256      34     101          71       0      62      34560        0
        malloc-256    256      78      57         216       0      62      34560        0
        malloc-256    256      28     107         195       0      62      34560        0
        malloc-256    256      35     100          49       0      62      34560        0
      malloc-32768  32768       0       1          11       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
       malloc-2048   2048       4      12           4       0       8      32768        0
       malloc-2048   2048       8       8           8       0       8      32768        0
       malloc-2048   2048       7       9         117       0       8      32768        0
       malloc-2048   2048      10       6          10       0       8      32768        0
       malloc-2048   2048       5      11          22       0       8      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-1024   1024       0      32           5       0      16      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
       malloc-1024   1024      23       9          27       0      16      32768        0
       malloc-1024   1024       9      23           9       0      16      32768        0
       malloc-1024   1024       2      30           2       0      16      32768        0
       malloc-1024   1024      15      17          19       0      16      32768        0
        malloc-512    512       3      61           9       0      30      32768        0
        malloc-512    512      11      53         182       0      30      32768        0
        malloc-512    512       2      62          23       0      30      32768        0
           pcpu-64     64     495      17         495       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     182     218        6819       0     126      32000        0
              PGRP    120      26     238          37       0     126      31680        0
           VMSPACE    584      36      13         808       0      16      28616        0
        sctp_laddr     48       1     587          13       0     254      28224        0
         malloc-32     32     467     415        1728       0     254      28224        0
         16 Bucket    144      46     150         248       0      62      28224        0
          4 Bucket     48       6     582           6       0     254      28224        0
         TURNSTILE    136     145      44         145       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       3       3         187       0       2      24576        0
              pipe    736      20      13         288       0      16      24288        0
    ertt_txseginfo     40       1     605         182       0     254      24240        0
               PWD     40      18     588         103       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
          8 Bucket     80      44     256         306       0     126      24000        0
         tcp_inpcb   1304       7      11           9       0       8      23472        0
        malloc-384    384       6      54          31       0      30      23040        0
        malloc-384    384      20      40          22       0      30      23040        0
        malloc-384    384      27      33          38       0      30      23040        0
             ripcb    376       3      57           6       0      30      22560        0
       Mountpoints   2816       2       6           4       0       4      22528        0
        SLEEPQUEUE     88     145     111         145       0     126      22528        0
            clpbuf   2624       0       8          15       0       4      20992        0
         hostcache     64       1     314           1       0     254      20160        0
              ertt     72       7     273           9       0     126      20160        0
         malloc-64     64       2     313          19       0     254      20160        0
         malloc-32     32      38     592         175       0     254      20160        0
         malloc-32     32      13     617          32       0     254      20160        0
         malloc-32     32     135     495         149       0     254      20160        0
         malloc-32     32      41     589        2735       0     254      20160        0
         malloc-32     32       5     625           8       0     254      20160        0
          2 Bucket     32      55     575         336       0     254      20160        0
             KNOTE    160       1     124          10       0      62      20000        0
       L VFS Cache    320       0      60           4       0      30      19200        0
              vmem   1856       2       7           2       0       8      16704        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-16384  16384       1       0           2       0       1      16384        0
       malloc-8192   8192       0       2          19       0       1      16384        0
       malloc-4096   4096       1       3          43       0       2      16384        0
        malloc-512    512       1      31           2       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       2      30           8       0      30      16384        0
        malloc-512    512       4      28           4       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
         malloc-16     16     549     451        3540       0     254      16000        0
               AIO    208       1      75           1       0      62      15808        0
              kenv    258      17      43        1066       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
         malloc-32     32       6     372          19       0     254      12096        0
         malloc-16     16      38     712        1456       0     254      12000        0
         malloc-16     16      14     736          15       0     254      12000        0
         malloc-16     16      27     723       24807       0     254      12000        0
         malloc-16     16      10     740         123       0     254      12000        0
         malloc-16     16       9     741           9       0     254      12000        0
             AIOCB    552       0      21           1       0      16      11592        0
        malloc-384    384       1      29           1       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       0     334        1208       0     254       8016        0
         malloc-16     16      13     487          14       0     254       8000        0
       UMA Slabs 1    176       9      13           9       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    152       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    256       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 UDP mappings    104       0       0           0       0     126          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    384       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    896       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb   1088       0       0           0       0       8          0        0
      tcp_rack_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
   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    408       0       0           0       0      30          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
        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    240       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    152       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    112       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    152       0       0           0       0      62          0        0
          rl_entry     48       0       0           0       0     254          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-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/19 17:48 freebsd-src 7121e9414f29 2a20f901 console log report ci-freebsd-main panic: executing segment marked as unreachable at /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:LINE (in_pcbremlb
* Struck through repros no longer work on HEAD.