syzbot


panic: Assertion uio->uio_resid < NUM failed at /syzkaller/managers/i386/kernel/sys/netlink/netlink_domain.c:LINE

Status: upstream: reported on 2025/09/22 20:46
Reported-by: syzbot+89b8c55dd34d81f44a53@syzkaller.appspotmail.com
First crash: 10d, last: 10d

Sample crash report:
panic: Assertion uio->uio_resid < 0 failed at /syzkaller/managers/i386/kernel/sys/netlink/netlink_domain.c:808
cpuid = 1
time = 1758573931
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056f8c490
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056f8c5f0
vpanic() at vpanic+0x257/frame 0xfffffe0056f8c7b0
panic() at panic+0xb5/frame 0xfffffe0056f8c870
nl_soreceive() at nl_soreceive+0xc3b/frame 0xfffffe0056f8c9b0
soreceive() at soreceive+0xd8/frame 0xfffffe0056f8ca10
kern_recvit() at kern_recvit+0x521/frame 0xfffffe0056f8cbd0
sys_recvfrom() at sys_recvfrom+0x208/frame 0xfffffe0056f8cd10
ia32_syscall() at ia32_syscall+0x4d2/frame 0xfffffe0056f8cf30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xdfffcf98
KDB: enter: panic
[ thread pid 1106 tid 100727 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x259e0f7(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xfffffe006e800000
rdx                    0x7ffff
rbx         0xffffffff828086a0  .str.27
rsp         0xfffffe0056f8c5d0
rbp         0xfffffe0056f8c5f0
rsi                    0x80001
rdi         0xffffffff81644349  printf+0x149
r8                           0
r9                  0xffffffff
r10                        0x3
r11         0xfffffe0054197cd0
r12         0xfffffe0054197780
r13         0xfffffffffffffffd
r14         0xffffffff828086a0  .str.27
r15                          0
rip         0xffffffff8162da9e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x259e0f7(%rip)
db> show proc
Process 1106 (syz-executor) at 0xfffffe005419e560:
 state: NORMAL
 uid: 0 gid: 0 supp gids: 0, 5
 parent: pid 764 at 0xfffffe00540f5558
 ABI: FreeBSD ELF32
 flag: 0x10000080  flag2: 0
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00541676d8
   (map 0xfffffe00541676d8)
   (map.pmap 0xfffffe0054167778)
   (pmap 0xfffffe00541677e8)
 threads: 2
100635                   RunQ                                syz-executor
100727                   Run     CPU 1                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1107   763   763     0  R       (threaded)                  syz-executor
100706                   RunQ                                syz-executor
100726                   S       uwait   0xfffffe00584ea200  syz-executor
 1106   764   764     0  R       (threaded)                  syz-executor
100635                   RunQ                                syz-executor
100727                   Run     CPU 1                       syz-executor
 1105   765   765     0  R       (threaded)                  syz-executor
100704                   RunQ                                syz-executor
100723                   S       lockf   0xfffffe0007786e80  syz-executor
100724                   Run     CPU 0                       syz-executor
100725                   S       uwait   0xfffffe0077590300  syz-executor
 1104     1   765     0  S       uwait   0xfffffe007746f000  syz-executor
 1102     1   765     0  S       uwait   0xfffffe0077471480  syz-executor
 1101   766   766     0  S       (threaded)                  syz-executor
100648                   S       nanslp  0xffffffff83bacc40  syz-executor
100714                   S       aiowc   0xfffffe005419e390  syz-executor
100715                   S       aiowc   0xfffffe005419e390  syz-executor
100716                   S       uwait   0xfffffe007758f300  syz-executor
 1094     1   763     0  S       uwait   0xfffffe007746ec80  syz-executor
 1090     1   765     0  S       uwait   0xfffffe0077470000  syz-executor
 1088     1   763     0  S       uwait   0xfffffe007746f980  syz-executor
 1079     1   766 60929  S       uwait   0xfffffe006ddefb80  syz-executor
 1077     1   765     0  S       uwait   0xfffffe006ddef680  syz-executor
 1076     1   765     0  S       uwait   0xfffffe007746ee80  syz-executor
 1075     1   764     0  S       uwait   0xfffffe006ddef780  syz-executor
 1066     1   766     0  S       uwait   0xfffffe007746fe80  syz-executor
 1058     1   765     0  S       uwait   0xfffffe00584ea400  syz-executor
 1056     1   764     0  S       uwait   0xfffffe007758fe00  syz-executor
 1050     1   763     0  S       uwait   0xfffffe00584ea280  syz-executor
 1048     1   764     0  S       uwait   0xfffffe007746fa80  syz-executor
 1039     1   765     0  S       uwait   0xfffffe006ddef980  syz-executor
 1035     1   764     0  S       uwait   0xfffffe0077590580  syz-executor
 1034     1   766     0  S       uwait   0xfffffe007758fd00  syz-executor
 1031     1   763     0  S       uwait   0xfffffe0077907880  syz-executor
 1025     1   766     0  S       uwait   0xfffffe0077470d80  syz-executor
 1022     1   766     0  S       uwait   0xfffffe0057d94500  syz-executor
 1020     1   766     0  S       uwait   0xfffffe007758fc00  syz-executor
 1018     1   763     0  S       uwait   0xfffffe007758f980  syz-executor
 1015     1   763     0  S       uwait   0xfffffe00584ea380  syz-executor
  999     1   764     0  S       uwait   0xfffffe0077470200  syz-executor
  995     1   766     0  S       uwait   0xfffffe0077470b80  syz-executor
  990     1   764     0  S       uwait   0xfffffe006ddef080  syz-executor
  985     1   765     0  S       uwait   0xfffffe0077590080  syz-executor
  974     1   766     0  S       uwait   0xfffffe00584e9680  syz-executor
  969     1   765     0  S       uwait   0xfffffe00584e9380  syz-executor
  967     1   764     0  S       umtxn   0xfffffe0077470380  syz-executor
  964     1   765     0  S       uwait   0xfffffe007746fc80  syz-executor
  959     1   766     0  S       uwait   0xfffffe00584e9580  syz-executor
  956     1   763     0  S       uwait   0xfffffe0077470a80  syz-executor
  953     1   764     0  S       uwait   0xfffffe007746fb80  syz-executor
  951     1   766     0  S       uwait   0xfffffe00584ece00  syz-executor
  941     1   765     0  S       uwait   0xfffffe00584ea700  syz-executor
  939     1   765     0  S       uwait   0xfffffe0077470e80  syz-executor
  937     1   764     0  S       uwait   0xfffffe0057d00800  syz-executor
  932     1   765     0  S       uwait   0xfffffe007758fb00  syz-executor
  929     1   766     0  SV      sigwait 0xfffffe00541410b8  syz-executor
  924     1   765     0  S       uwait   0xfffffe00584ec880  syz-executor
  923     1   766     0  S       uwait   0xfffffe00584ecb80  syz-executor
  920     0     0     0  DL      (threaded)                  [so_splice]
100281                   D       -       0xfffffe005858dc80  [thr_0]
100330                   D       -       0xfffffe005858dcc0  [thr_1]
  916     1   766     0  S       uwait   0xfffffe0057d91c00  syz-executor
  895     1   763     0  S       uwait   0xfffffe0077471500  syz-executor
  892     1   763     0  S       uwait   0xfffffe00584ec500  syz-executor
  891     1   764     0  S       uwait   0xfffffe006ddeec80  syz-executor
  884     1   766     0  S       uwait   0xfffffe00584ec680  syz-executor
  880     1   764     0  SV      uwait   0xfffffe0077470880  syz-executor
  879     1   764     0  S       uwait   0xfffffe00584ecc80  syz-executor
  877     1   766     0  S       uwait   0xfffffe00584ec780  syz-executor
  874     0     0     0  DL      -       0xffffffff83cbce00  [soaiod4]
  873     0     0     0  DL      -       0xffffffff83cbce00  [soaiod3]
  872     0     0     0  DL      -       0xffffffff83cbce00  [soaiod2]
  871     0     0     0  DL      -       0xffffffff83cbce00  [soaiod1]
  869     1   764     0  S       uwait   0xfffffe00584e9280  syz-executor
  864     1   765     0  S       uwait   0xfffffe006ddece00  syz-executor
  861     1   766     0  S       uwait   0xfffffe00584eb180  syz-executor
  859     1   763     0  S       uwait   0xfffffe0057d91800  syz-executor
  854     1   766     0  S       uwait   0xfffffe00584e9180  syz-executor
  851     1   765     0  S       uwait   0xfffffe006ddec480  syz-executor
  847     1   766     0  S       uwait   0xfffffe006ddecd00  syz-executor
  844     1   765     0  S       uwait   0xfffffe006ddecc00  syz-executor
  839     1   763     0  S       uwait   0xfffffe00584eaf00  syz-executor
  835     1   764     0  S       uwait   0xfffffe006dded280  syz-executor
  831     1   766     0  S       uwait   0xfffffe006dded200  syz-executor
  829     1   766     0  S       uwait   0xfffffe006ddec580  syz-executor
  828     1   765     0  SV      uwait   0xfffffe006ddec380  syz-executor
  826     1   765     0  S       uwait   0xfffffe006ddecf00  syz-executor
  822   814   822     0  Ss      select  0xfffffe0058613240  dhclient
  820     1   766     0  S       uwait   0xfffffe00584e9080  syz-executor
  818     1   764     0  S       uwait   0xfffffe00584eb380  syz-executor
  817     1   817     0  Ss      select  0xfffffe0057df7340  dhclient
  814   794   423    65  S       select  0xfffffe0057ddba40  dhclient
  810     0     0     0  DL      aiordy  0xfffffe0054112568  [aiod4]
  809     0     0     0  DL      aiordy  0xfffffe0054112ac0  [aiod3]
  808     0     0     0  DL      aiordy  0xfffffe00540cb018  [aiod2]
  807     0     0     0  DL      aiordy  0xfffffe00540f8570  [aiod1]
  794   423   423     0  S       wait    0xfffffe00540ca568  sh
  766   762   766     0  S       nanslp  0xffffffff83bacc41  syz-executor
  765   762   765     0  S       nanslp  0xffffffff83bacc41  syz-executor
  764   762   764     0  S       nanslp  0xffffffff83bacc40  syz-executor
  763   762   763     0  S       nanslp  0xffffffff83bacc41  syz-executor
  762   760   760     0  S       select  0xfffffe0057df78c0  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe00540c9610  csh
  758   681   758     0  Ss      select  0xfffffe0057df79c0  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe0058279cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00582784b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005862fcb0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00586300b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00582788b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0058278cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00586304b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00586308b0  getty
  739     1   739     0  Ss+     ttyin   0xfffffe0058630cb0  getty
  737     1    17     0  S+      piperd  0xfffffe005983eb80  logger
  736   735    17     0  S+      nanslp  0xffffffff83bacc40  sleep
  735     1    17     0  S+      wait    0xfffffe00540c9008  sh
  685     1   685     0  Ss      nanslp  0xffffffff83bacc40  cron
  681     1   681     0  Ss      select  0xfffffe0057de0240  sshd
  494     1   494     0  Ss      select  0xfffffe0057ddbd40  syslogd
  423     1   423     0  Ss      wait    0xfffffe00540ad018  devd
  422     1   422    65  Ss      select  0xfffffe0058613740  dhclient
  337     1   337     0  Ss      select  0xfffffe0057ddbf40  dhclient
  334     1   334     0  Ss      select  0xfffffe00586137c0  dhclient
   16     0     0     0  DL      syncer  0xffffffff83cca820  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a018  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cc8d60  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe005862ece8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d13cc0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83cf9d88  [dom0]
100080                   D       launds  0xffffffff83cf9d94  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e13ce0  [uma]
    7     0     0     0  DL      -       0xffffffff839255d8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84543f20  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8482a700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838ef340  [doneq0]
100046                   D       -       0xffffffff838ef2c0  [async]
100075                   D       -       0xffffffff838ef140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83cf5660  [crypto]
100043                   D       crypto_ 0xfffffe0053ee4d30  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0053ee4d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b55640  [g_event]
100038                   D       -       0xffffffff83b55660  [g_up]
100039                   D       -       0xffffffff83b55680  [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]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   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    0xfffffe0007809010  [init]
   10     0     0     0  DL      audit_w 0xffffffff83cf6100  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c51ff0  [swapper]
100005                   D       -       0xfffffe0053ea0100  [softirq_0]
100006                   D       -       0xfffffe0053ea0000  [softirq_1]
100007                   D       -       0xfffffe0053e9fe00  [if_io_tqg_0]
100008                   D       -       0xfffffe0053e9fd00  [if_io_tqg_1]
100009                   D       -       0xfffffe0053e9fc00  [if_config_tqg_0]
100010                   D       -       0xfffffe000776aa00  [kqueue_ctx taskq]
100011                   D       -       0xfffffe000776a900  [jail_remove taskq]
100012                   D       -       0xfffffe000776a800  [bus taskq]
100015                   D       -       0xfffffe000776a500  [thread taskq]
100017                   D       -       0xfffffe000776a300  [aiod_kick taskq]
100018                   D       -       0xfffffe000776a200  [deferred_unmount ta]
100019                   D       -       0xfffffe000776a100  [inm_free taskq]
100020                   D       -       0xfffffe000776a000  [in6m_free taskq]
100021                   D       -       0xfffffe0007769e00  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007769d00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007769d00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007769d00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007769d00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007769c00  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007769c00  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007769c00  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007769c00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0007769a00  [firmware taskq]
100040                   D       -       0xfffffe0007769900  [crypto_0]
100041                   D       -       0xfffffe0007769900  [crypto_1]
100056                   D       -       0xfffffe0057de6d00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0057de6c00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0057de6b00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0057de6a00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057de0380  [virtio_balloon]
100065                   D       -       0xffffffff8280cd80  [deadlkres]
100069                   D       -       0xfffffe00593fd500  [acpi_task_0]
100070                   D       -       0xfffffe00593fd500  [acpi_task_1]
100071                   D       -       0xfffffe00593fd500  [acpi_task_2]
100073                   D       -       0xfffffe000776ab00  [mca taskq]
100074                   D       -       0xfffffe0007769700  [CAM taskq]
100076                   D       -       0xfffffe000776c500  [ipsec_offload]
100127                   D       -       0xfffffe0059aaf500  [netlink_socket (PID]
100179                   D       -       0xfffffe0059aafe00  [netlink_socket (PID]
100201                   D       -       0xfffffe00593fb800  [netlink_socket (PID]
100260                   D       -       0xfffffe00593fac00  [netlink_socket (PID]
100333                   D       -       0xfffffe00593fde00  [netlink_socket (PID]
100372                   D       -       0xfffffe00593fb600  [netlink_socket (PID]
100467                   D       -       0xfffffe00593fd400  [netlink_socket (PID]
100529                   D       -       0xfffffe0059ab1000  [netlink_socket (PID]
100647                   D       -       0xfffffe00593fda00  [netlink_socket (PID]
100688                   D       -       0xfffffe00593fc700  [netlink_socket (PID]
100728                   D       -       0xfffffe0057de8900  [netlink_socket (PID]
  890     1   766     0  Z                                   syz-executor
db> show all locks
Process 1106 (syz-executor) thread 0xfffffe0054197780 (100727)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffffe00598c45c0) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_socket.c:4835
Process 1105 (syz-executor) thread 0xfffffe005415f780 (100724)
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe00541844f0) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_map.c:4998
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          384         5188K          576
          tcp_hpts            7         4801K            7
            devbuf         4187         4324K         4212
         sysctloid        35242         2076K        35317
             vtbuf           24         1968K           46
              kobj          331         1324K          497
          filedesc          148         1179K          619
            newblk           64         1040K         1474
          vfscache            3         1025K            3
               pcb           60          681K          239
           subproc          271          562K         1255
          inodedep           53          532K          479
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K        12646
            acpica         1674          184K        54450
              vmem            5          144K            6
           tidhash            3          141K            3
           pagedep           29          135K          257
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          106          106K          123
        gtaskqueue           18           98K           18
               bus         1005           82K         5097
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          523           66K          525
       ddb_capture            1           64K            1
           kdtrace          345           63K         1838
              umtx          464           58K          464
               BPF           27           38K           72
               shm            3           36K           16
         hostcache            1           32K            1
            DEVFS3          125           32K          135
               msg            4           30K            4
            kbdmux            6           28K            6
             mount           56           24K         1010
              temp           32           21K         2070
        DEVFS_RULE           56           20K           56
          routetbl          139           19K          441
            ifaddr           66           19K           68
               LRO           18           19K           18
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           90           15K           90
            CC Mem          115           15K          571
            bus-sc           34           15K         1660
      eventhandler          163           14K          163
           lltable           43           14K           53
             ifnet            7           13K            7
            plimit           31           12K          359
              kenv           95           12K           95
            kqueue          139           11K         1337
              cred           29           11K          295
       ether_multi          134           11K          151
         taskqueue          102           11K          132
              GEOM           49           11K          431
         CAM queue            5           11K         1528
              rman           82           10K          447
               rpc            8            9K            8
            crypto           24            9K           66
         bmsafemap            2            9K          442
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K           11
             shmfd            1            8K            8
       pfs_vncache            1            8K            1
           pwddesc          126            8K         1122
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             selfd           48            3K        21652
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8340    1058       15073       0     254   38494208        0
              mbuf    256    8996     666       22784       0     254    2473472        0
           tcp_log    416    5349     240        9611       0     254    2325024        0
          BUF TRIE    152     365   11439        1251       0      62    1794208        0
        RADIX NODE    152   11015     342       41938       0      62    1726264        0
        malloc-384    384    4140      60        4173       0      30    1612800        0
        malloc-128    128   11585     133       11601       0     126    1499904        0
       malloc-4096   4096     334       4         580       0       2    1384448        0
       UMA Slabs 0    112   11107      11       11107       0     126    1245216        0
      malloc-16384  16384      73       0         307       0       1    1196032        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
      malloc-65536  65536      14       1          18       0       1     983040        0
         vmem btag     56   17308      83       17308       0     254     973896        0
         FFS inode   1168     601      29         901       0       8     735840        0
           sctp_ep   1152       4     507          33       0     254     588672        0
         sctp_asoc   2256       0     255           1       0     254     575280        0
       malloc-4096   4096     137       3        1113       0       2     573440        0
         VM OBJECT    248    2019      93       17271       0      62     523776        0
            socket   1024     209     299        2271       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     182           0       0       2     477568        0
            THREAD   1860     217      15         728       0       8     431520        0
         malloc-64     64     687    4668       31551       0     254     342720        0
         MAP ENTRY     96    3333     195       56673       0     126     338688        0
             VNODE    440     639      81         941       0      30     316800        0
        256 Bucket   2048     148       4        1124       0       8     311296        0
         tcp_inpcb   1304     116     100         571       0       8     281664        0
         malloc-64     64    3869     226        3876       0     254     262080        0
       malloc-2048   2048     111       9         385       0       8     245760        0
         malloc-16     16   14521     229       14606       0     254     236000        0
            DEVCTL   1024      20     196         147       0       0     221184        0
     FPU_save_area    832     219      42         949       0      16     217152        0
              PROC   1368     126      17        1108       0       8     195624        0
        sctp_raddr    736       0     264           2       0     254     194304        0
         UMA Zones    768     241       3         241       0      16     187392        0
         malloc-32     32    5340     330        5388       0     254     181440        0
        malloc-128    128    1227     168       25739       0     126     178560        0
       FFS2 dinode    256     601      89         901       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320      27     489        1278       0     254     165120        0
      malloc-32768  32768       2       3          15       0       1     163840        0
      malloc-32768  32768       0       5         241       0       1     163840        0
         filedesc0   1072     126      14        1122       0       8     150080        0
        malloc-128    128     976     171        5217       0     126     146816        0
       S VFS Cache    104    1015     389        1452       0     126     146016        0
        malloc-256    256     133     437        1721       0      62     145920        0
      malloc-65536  65536       0       2          50       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
      malloc-16384  16384       5       3          11       0       1     131072        0
       malloc-1024   1024     117      11         309       0      16     131072        0
       mbuf_packet    256      43     465         510       0     254     130048        0
          ksiginfo    112     121     923         218       0     126     116928        0
        malloc-128    128     646     129        1991       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
      malloc-32768  32768       0       3           3       0       1      98304        0
       malloc-2048   2048       8      40        1053       0       8      98304        0
             g_bio    408       0     240        9486       0      30      97920        0
        malloc-256    256     265     110         837       0      62      96000        0
       malloc-8192   8192       8       3          12       0       1      90112        0
       malloc-8192   8192       9       2          93       0       1      90112        0
          UMA Kegs    384     228       5         228       0      30      89472        0
        128 Bucket   1024      49      34         273       0      16      84992        0
         malloc-64     64     900     423        3093       0     254      84672        0
       malloc-4096   4096      15       5         217       0       2      81920        0
         64 Bucket    512      91      69        2966       0      30      81920        0
        malloc-384    384     102     108         883       0      30      80640        0
        malloc-256    256     208     107        1647       0      62      80640        0
        malloc-256    256     164     151         929       0      62      80640        0
           VMSPACE    584     101      32        1082       0      16      77672        0
       malloc-4096   4096      12       6         501       0       2      73728        0
        malloc-384    384     150      30         150       0      30      69120        0
           DIRHASH   1024      34      30          52       0      16      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-2048   2048      19      13          77       0       8      65536        0
       malloc-1024   1024      26      38         559       0      16      65536        0
         32 Bucket    256      86     169        1114       0      62      65280        0
             Files     80     418     232        8748       0     126      52000        0
        malloc-256    256      37     158         621       0      62      49920        0
             NAMEI   1024       1      47       14935       0      16      49152        0
      malloc-16384  16384       1       2         191       0       1      49152        0
        malloc-384    384      80      40         105       0      30      46080        0
            da_ccb    544       0      84        2475       0      16      45696        0
          syncache    168       0     264           4       0     254      44352        0
         TURNSTILE    136     233      82         233       0      62      42840        0
            vnpbuf   2624       0      16           1       0      16      41984        0
            pcpu-8      8    4821     299        5231       0     254      40960        0
         udp_inpcb    408      14      76         181       0      30      36720        0
         malloc-64     64      22     545       13661       0     254      36288        0
         malloc-64     64      34     533          54       0     254      36288        0
         malloc-64     64     291     276        1400       0     254      36288        0
         malloc-64     64     136     431        1198       0     254      36288        0
         malloc-64     64       3     564           4       0     254      36288        0
        malloc-128    128      18     261         174       0     126      35712        0
        malloc-128    128      27     252         366       0     126      35712        0
        malloc-128    128     120     159         607       0     126      35712        0
        malloc-128    128      29     250         290       0     126      35712        0
     routing nhops    256      27     108          78       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      35      55         674       0      30      34560        0
        malloc-256    256      27     108         507       0      62      34560        0
        malloc-256    256      19     116         619       0      62      34560        0
        malloc-256    256      18     117         296       0      62      34560        0
             ripcb    376      15      75          97       0      30      33840        0
        SLEEPQUEUE     88     233     151         233       0     126      33792        0
       malloc-2048   2048       0      16          12       0       8      32768        0
       malloc-2048   2048       4      12         109       0       8      32768        0
       malloc-2048   2048       9       7          35       0       8      32768        0
       malloc-2048   2048       8       8          12       0       8      32768        0
       malloc-1024   1024       3      29          43       0      16      32768        0
       malloc-1024   1024      17      15        1011       0      16      32768        0
       malloc-1024   1024       2      30           7       0      16      32768        0
       malloc-1024   1024       3      29           8       0      16      32768        0
        malloc-512    512      15      49          85       0      30      32768        0
        malloc-512    512       0      64          14       0      30      32768        0
        malloc-512    512       2      62          51       0      30      32768        0
        malloc-512    512      10      54          42       0      30      32768        0
        malloc-512    512       2      62          19       0      30      32768        0
        malloc-512    512      10      54          47       0      30      32768        0
           pcpu-64     64     501      11         501       0     254      32768        0
sctp_stream_msg_out    112       0     288           1       0     254      32256        0
            ttyinq    160     135      65         300       0      62      32000        0
   tcp_log_id_node    120       1     263           3       0     126      31680        0
              PGRP    120      26     238          41       0     126      31680        0
            clpbuf   2624       0      12          26       0       4      31488        0
       L VFS Cache    320       0      96          74       0      30      30720        0
        sctp_laddr     48       0     588          12       0     254      28224        0
              ertt     72     115     277         571       0     126      28224        0
         malloc-32     32     184     698        1616       0     254      28224        0
         malloc-32     32     374     508        6531       0     254      28224        0
         16 Bucket    144      64     132         473       0      62      28224        0
          4 Bucket     48       6     582           9       0     254      28224        0
               AIO    208       1     132         111       0      62      27664        0
     udplite_inpcb    408      15      48          22       0      30      25704        0
            cpuset    200       7     121         343       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       3       3          47       0       2      24576        0
 tcp_log_id_bucket    176       1     137           3       0      62      24288        0
              pipe    736      23      10         333       0      16      24288        0
    ertt_txseginfo     40       0     606        1109       0     254      24240        0
               PWD     40      80     526         309       0     254      24240        0
           rtentry    168      30     114          76       0      62      24192        0
          8 Bucket     80      57     243         453       0     126      24000        0
        malloc-384    384       1      59           3       0      30      23040        0
        malloc-384    384      12      48          12       0      30      23040        0
         domainset     40       0     567         334       0     254      22680        0
       Mountpoints   2816       2       6           5       0       4      22528        0
         hostcache     64       2     313           2       0     254      20160        0
         malloc-32     32     202     428        1059       0     254      20160        0
         malloc-32     32      82     548         381       0     254      20160        0
         malloc-32     32      55     575          85       0     254      20160        0
         malloc-32     32     139     491         150       0     254      20160        0
         malloc-32     32      16     614          33       0     254      20160        0
          2 Bucket     32      63     567         505       0     254      20160        0
             KNOTE    160       3     122          67       0      62      20000        0
           cryptop    280       0      70          17       0      30      19600        0
             AIOCB    552       0      35         111       0      16      19320        0
            AIOLIO    272       0      70          10       0      30      19040        0
              vmem   1856       2       7           2       0       8      16704        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       0       1           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       0       2          27       0       1      16384        0
       malloc-8192   8192       0       2          22       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       0       4           4       0       2      16384        0
       malloc-4096   4096       2       2           7       0       2      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       0      16           1       0      16      16384        0
       malloc-1024   1024       2      14           2       0      16      16384        0
        malloc-512    512       0      32         110       0      30      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
          rl_entry     48       2     334           2       0     254      16128        0
         malloc-16     16     531     469        4100       0     254      16000        0
              kenv    258      17      43        1067       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
         malloc-16     16     106     644        1768       0     254      12000        0
         malloc-16     16      10     740          16       0     254      12000        0
         malloc-16     16      41     709         159       0     254      12000        0
         malloc-16     16     154     596       27917       0     254      12000        0
         malloc-16     16      16     734          36       0     254      12000        0
         malloc-16     16      11     739          50       0     254      12000        0
            itimer    352       0      33           2       0      30      11616        0
        malloc-384    384       1      29           2       0      30      11520        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        2076       0     254       8016        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          22       0       0       3744        0
            splice    184       0       0           0       0      62          0        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 fragment node     72       0       0           0       0     126          0        0
          pf frags    232       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 Ethernet anchors   1240       0       0           0       0       1          0        0
        pf anchors   1664       0       0           0       0      64          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_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          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
  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
            skbuff   1808       0       0           0       0       8          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
        MAC labels     40       0       0           0       0     254          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
      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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/22 20:45 freebsd-src f72908c94df9 770ff59f console log report ci-freebsd-i386 panic: Assertion uio->uio_resid < NUM failed at /syzkaller/managers/i386/kernel/sys/netlink/netlink_domain.c:LINE
2025/09/22 20:45 freebsd-src f72908c94df9 770ff59f console log report ci-freebsd-i386 panic: Assertion uio->uio_resid < NUM failed at /syzkaller/managers/i386/kernel/sys/netlink/netlink_domain.c:LINE
* Struck through repros no longer work on HEAD.