syzbot


panic: negative vmsize for uid NUM

Status: upstream: reported on 2025/04/29 06:44
Reported-by: syzbot+7bae98bfb34acce5f04a@syzkaller.appspotmail.com
First crash: 181d, last: 33d

Sample crash report:
panic: negative vmsize for uid 60928

cpuid = 0
time = 32765
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056e6d170
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056e6d2d0
vpanic() at vpanic+0x257/frame 0xfffffe0056e6d490
panic() at panic+0xb5/frame 0xfffffe0056e6d550
swap_release_by_cred() at swap_release_by_cred+0x14f/frame 0xfffffe0056e6d590
vm_map_entry_delete() at vm_map_entry_delete+0xca/frame 0xfffffe0056e6d610
vm_map_delete() at vm_map_delete+0x530/frame 0xfffffe0056e6d750
vm_map_fixed() at vm_map_fixed+0x181/frame 0xfffffe0056e6d840
vm_mmap_object() at vm_mmap_object+0x3d6/frame 0xfffffe0056e6d8f0
vn_mmap() at vn_mmap+0x48d/frame 0xfffffe0056e6da70
kern_mmap() at kern_mmap+0x1035/frame 0xfffffe0056e6dc10
sys_mmap() at sys_mmap+0x153/frame 0xfffffe0056e6dd10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056e6df30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056e6df30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a52ba, rsp = 0x825d49f08, rbp = 0x825d49f80 ---
KDB: enter: panic
[ thread pid 1051 tid 100429 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x259e877(%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         0xfffffe0075600000
rdx                    0x7ffff
rbx         0xffffffff82808820  .str.27
rsp         0xfffffe0056e6d2b0
rbp         0xfffffe0056e6d2d0
rsi                    0x80001
rdi         0xffffffff81644bc9  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x3f
r12         0xfffffe0054148780
r13         0xfffffffffffffffe
r14         0xffffffff82808820  .str.27
r15                          0
rip         0xffffffff8162e31e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x259e877(%rip)
db> show proc
Process 1051 (syz-executor) at 0xfffffe0054110558:
 state: NORMAL
 uid: 0 gid: 0 supp gids: 0, 5
 parent: pid 766 at 0xfffffe00540d3558
 ABI: FreeBSD ELF64
 flag: 0x10000180  flag2: 0
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00540e8920
   (map 0xfffffe00540e8920)
   (map.pmap 0xfffffe00540e89c0)
   (pmap 0xfffffe00540e8a30)
 threads: 3
100163                   RunQ                                syz-executor
100427                   RunQ                                syz-executor
100429                   Run     CPU 0                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1062  1060   423     0  S       piperd  0xfffffe0059727b80  sh
 1061  1060   423     0  R                                   ps
 1060  1056   423     0  S       wait    0xfffffe0054170000  sh
 1058  1057   764     0  S       uwait   0xfffffe00584e9f00  syz-executor
 1057   764   764     0  R       (threaded)                  syz-executor
100366                   RunQ                                syz-executor
100433                   S       lockf   0xfffffe005858f980  syz-executor
100435                   RunQ                                syz-executor
 1056   780   423     0  S       piperd  0xfffffe0059732700  sh
 1052   763   763     0  R       (threaded)                  syz-executor
100362                   RunQ                                syz-executor
100428                   S       uwait   0xfffffe006e5dd180  syz-executor
100434                   S       uwait   0xfffffe006de5c080  syz-executor
 1051   766   766 60928  R       (threaded)                  syz-executor
100163                   RunQ                                syz-executor
100427                   RunQ                                syz-executor
100429                   Run     CPU 0                       syz-executor
 1048     1   764    -1  S       uwait   0xfffffe007a123800  syz-executor
 1046  1045   764    -1  S       uwait   0xfffffe006e5de480  syz-executor
 1045     1   764    -1  SV      sbwait  0xfffffe00599d76dc  syz-executor
 1043     1   764     0  S       uwait   0xfffffe006de5c200  syz-executor
 1032  1031   766     0  S       uwait   0xfffffe006e5de280  syz-executor
 1031     1   766     0  SV      wait    0xfffffe005415a010  syz-executor
 1028     1   763     0  S       uwait   0xfffffe00584ea300  syz-executor
 1021     1   766     0  S       uwait   0xfffffe007a123900  syz-executor
 1017     1   764     0  S       uwait   0xfffffe007a123a00  syz-executor
 1002     1   763     0  S       uwait   0xfffffe006de5bf00  syz-executor
  998     1   766     0  S       uwait   0xfffffe006e5dd380  syz-executor
  997     1   766     0  S       uwait   0xfffffe006e5dda00  syz-executor
  991     1   766     0  S       uwait   0xfffffe006e5deb80  syz-executor
  984     1   766     0  S       uwait   0xfffffe006e5df180  syz-executor
  979     1   763     0  S       uwait   0xfffffe006e5dd800  syz-executor
  977     1   764     0  S       uwait   0xfffffe006de5b780  syz-executor
  976     1   764     0  S       uwait   0xfffffe006e5dd500  syz-executor
  974     1   764     0  S       uwait   0xfffffe006e5dd280  syz-executor
  972     1   764     0  S       uwait   0xfffffe006e5d2f00  syz-executor
  970     0     0     0  DL      (threaded)                  [so_splice]
100172                   D       -       0xfffffe0007786e80  [thr_0]
100304                   D       -       0xfffffe0007786ec0  [thr_1]
  968     1   763     0  S       uwait   0xfffffe006e5ddc00  syz-executor
  963     1   764     0  S       uwait   0xfffffe006e5dd900  syz-executor
  959   957   957     0  S       tun_con 0xfffffe0059b2aca8  ifconfig
  957   762   957     0  S       wait    0xfffffe00540d3ab0  syz-executor
  947     1   764     0  S       uwait   0xfffffe0057d94e00  syz-executor
  944     1   765     0  S       uwait   0xfffffe006e5de680  syz-executor
  942     1   764     0  S       uwait   0xfffffe00584eb280  syz-executor
  937     1   765     0  S       uwait   0xfffffe006de5be00  syz-executor
  935     1   764     0  S       uwait   0xfffffe006e5de580  syz-executor
  930     1   763     0  SV      uwait   0xfffffe006de5d200  syz-executor
  927   926   766     0  S       uwait   0xfffffe006e5df680  syz-executor
  926     1   766     0  SV      wait    0xfffffe00540f2ab8  syz-executor
  907     0     0     0  DL      (threaded)                  [KTLS]
100196                   D       -       0xfffffe0058566500  [thr_0]
100197                   D       -       0xfffffe0058566580  [thr_1]
100198                   D       -       0xffffffff83cbf628  [reclaim_0]
  904     1   765     0  S       uwait   0xfffffe006e5df480  syz-executor
  900     1   763     0  S       uwait   0xfffffe006e5df280  syz-executor
  891     0     0     0  DL      -       0xffffffff83cbde00  [soaiod4]
  890     0     0     0  DL      -       0xffffffff83cbde00  [soaiod3]
  889     0     0     0  DL      -       0xffffffff83cbde00  [soaiod2]
  888     0     0     0  DL      -       0xffffffff83cbde00  [soaiod1]
  885     1   766     0  SV      uwait   0xfffffe006e5df080  syz-executor
  883     1   764     0  S       uwait   0xfffffe00584eb380  syz-executor
  880     1   764     0  S       uwait   0xfffffe006de5b900  syz-executor
  879     1   764     0  S       uwait   0xfffffe00584e9c00  syz-executor
  859     1   763     0  S       uwait   0xfffffe006e5df380  syz-executor
  844     1   765     0  S       uwait   0xfffffe00584ea080  syz-executor
  840     1   765     0  S       uwait   0xfffffe00584e9a00  syz-executor
  813     0     0     0  DL      aiordy  0xfffffe00540f4570  [aiod4]
  812     0     0     0  DL      aiordy  0xfffffe0054112568  [aiod3]
  811     0     0     0  DL      aiordy  0xfffffe0054112ac0  [aiod2]
  810     0     0     0  DL      aiordy  0xfffffe00540f4018  [aiod1]
  780   769   423     0  S       wait    0xfffffe00540d6570  sh
  769   423   423     0  S       wait    0xfffffe00540ab570  sh
  766   762   766     0  R                                   syz-executor
  764   762   764     0  R                                   syz-executor
  763   762   763     0  R                                   syz-executor
  762   760   760     0  S       select  0xfffffe0057df77c0  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe00540f1608  csh
  758   681   758     0  Ss      select  0xfffffe0057df7940  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe0058279cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005862f0b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005862f4b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe005862f8b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe005862fcb0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00586300b0  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  0xfffffe0059728700  logger
  736   735    17     0  S+      nanslp  0xffffffff83badc40  sleep
  735     1    17     0  S+      wait    0xfffffe0054005570  sh
  685     1   685     0  Ss      nanslp  0xffffffff83badc41  cron
  681     1   681     0  Ss      select  0xfffffe00586137c0  sshd
  494     1   494     0  Ss      select  0xfffffe0057ddbc40  syslogd
  423     1   423     0  Ss      wait    0xfffffe00540a9ab8  devd
  422     1   422    65  Ss      select  0xfffffe0058613840  dhclient
  337     1   337     0  Ss      select  0xfffffe0058613940  dhclient
  334     1   334     0  Ss      select  0xfffffe0057ddbf40  dhclient
   16     0     0     0  DL      syncer  0xffffffff83ccb820  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a018  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cc9d60  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe005862e4e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d14cc0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83cfad88  [dom0]
100080                   D       launds  0xffffffff83cfad94  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e142d0  [uma]
    7     0     0     0  DL      -       0xffffffff839265d8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff844c8f20  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8479c700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838f0340  [doneq0]
100046                   D       -       0xffffffff838f02c0  [async]
100075                   D       -       0xffffffff838f0140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83cf6660  [crypto]
100043                   D       crypto_ 0xfffffe0053ee4d30  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0053ee4d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b56640  [g_event]
100038                   D       -       0xffffffff83b56660  [g_up]
100039                   D       -       0xffffffff83b56680  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100031                   I                                   [clock (0)]
100032                   Run     CPU 1                       [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 0xffffffff83cf7100  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c52ff0  [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       -       0xffffffff8280cf01  [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       -       0xfffffe00593fd400  [ipsec_offload]
db> show all locks
Process 1051 (syz-executor) thread 0xfffffe0054131780 (100427)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe005416f2a8) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4373
shared sx killpg racer (killpg racer) r = 0 (0xfffffe00540e2490) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_fork.c:959
Process 1051 (syz-executor) thread 0xfffffe0054148780 (100429)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe00540e8980) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:1975
Process 1045 (syz-executor) thread 0xfffffe005410f000 (100419)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe00599d7580) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_socket.c:4835
Process 959 (ifconfig) thread 0xfffffe0054118780 (100200)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83ccc000) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:3006
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          384         5188K          618
          tcp_hpts            7         4801K            7
            devbuf         4187         4324K         4212
         sysctloid        35455         2089K        35530
             vtbuf           24         1968K           46
              kobj          331         1324K          495
            newblk           19         1029K         1678
          vfscache            3         1025K            3
          filedesc           90          714K          428
               pcb           36          678K          173
          inodedep           14          517K          388
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          224          454K         1185
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          102          201K        44683
            acpica         1674          184K        54444
              vmem            5          144K            6
           tidhash            3          141K            3
           pagedep           10          131K          191
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          106          106K          123
        gtaskqueue           18           98K           18
               bus         1000           82K         5086
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          523           66K          525
       ddb_capture            1           64K            1
           kdtrace          283           52K         1502
              umtx          368           46K          368
         hostcache            1           32K            1
               shm            1           32K            9
            DEVFS3          126           32K          136
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           30           21K         2044
        DEVFS_RULE           56           20K           56
               BPF           16           20K           33
            ifaddr           66           19K           68
            kqueue          145           18K         1358
         ufs_mount            4           17K            5
              proc            3           17K            3
               LRO           16           17K           16
               tty           16           16K           16
          routetbl          134           16K          423
           ithread           90           15K           90
            bus-sc           34           15K         1657
      eventhandler          163           14K          163
           lltable           43           14K           44
              cred           35           14K          289
       ether_multi          162           13K          188
             ifnet            7           13K            7
              kenv           95           12K           95
              GEOM           49           11K          431
         CAM queue            5           11K         1528
              rman           82           10K          437
             shmfd            4           10K            5
            plimit           24            9K          329
               rpc            8            9K            8
         in6_multi           66            9K           66
         bmsafemap            2            9K          340
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            6
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          306
         taskqueue           69            8K           90
           pwddesc          102            7K         1088
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
       ufs_dirhash           24            5K           27
               UMA          271            5K          271
          pf_ifnet           10            5K           20
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
            crypto           11            4K           43
            DEVFSP           59            4K          240
           acpisem           28            4K           28
         proc-args          125            4K         2149
             lockf           33            4K          200
             mount           20            4K          269
          kcovinfo           45            3K           45
          terminal           11            3K           11
           uidinfo            6            3K           13
             selfd           41            3K       113352
           session           20            3K           37
           acpidev           20            3K           20
             hhook            8            3K           10
             clone            9            3K            9
           netlink            2            3K           82
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
         sctp_atcl            5            2K           44
            ip6ndp           12            2K           14
          in_multi            7            2K           14
          sctp_ifa           13            2K           14
            Unitno           26            2K           57
           CAM XPT           22            2K          543
            CC Mem           12            2K          212
               tun            4            2K            4
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
         sctp_timw            5            2K            5
               msi            9            2K            9
         sctp_stro            1            1K            6
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           22
            select            8            1K           48
      NFSD session            1            1K            1
       inpcbpolicy           30            1K          538
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
            dirrem            3            1K          297
            diradd            6            1K          316
               mld            6            1K            6
              igmp            6            1K            6
              pfil            6            1K            6
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8359    1039       13476       0     254   38494208        0
           tcp_log    416    2662    4709       16337       0     254    3066336        0
              mbuf    256    8740     922       21598       0     254    2473472        0
          BUF TRIE    152     245   11559        1655       0      62    1794208        0
        malloc-384    384    4140      30        4160       0      30    1601280        0
      mbuf_cluster   2048     508     254         540       0     254    1560576        0
        malloc-128    128   11658      60       11672       0     126    1499904        0
       malloc-4096   4096     334       4         581       0       2    1384448        0
        RADIX NODE    152    8506     251       36312       0      62    1331064        0
       UMA Slabs 0    112   11260       2       11260       0     126    1261344        0
         sctp_asoc   2256       1     509           6       0     254    1150560        0
         malloc-64     64     670   17159      152806       0     254    1141056        0
      malloc-65536  65536      14       2          27       0       1    1048576        0
         vmem btag     56   17789     106       17789       0     254    1002120        0
      malloc-16384  16384      44       3         210       0       1     770048        0
         FFS inode   1168     564      17         805       0       8     678608        0
           sctp_ep   1152       4     507          38       0     254     588672        0
            socket   1024      49     459        1981       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        256 Bucket   2048     218      14        1372       0       8     475136        0
       malloc-4096   4096     108       2        1061       0       2     450560        0
         VM OBJECT    248    1573     107       16067       0      62     416640        0
        sctp_raddr    736       1     516           6       0     254     380512        0
            THREAD   1860     179       5         436       0       8     342240        0
       malloc-2048   2048       6     146        1047       0       8     311296        0
             VNODE    440     605      88         848       0      30     304920        0
       malloc-2048   2048     111      17         391       0       8     262144        0
         malloc-64     64    3900     195        3937       0     254     262080        0
         MAP ENTRY     96    2499      21       52231       0     126     241920        0
         malloc-16     16   14614     136       14689       0     254     236000        0
            DEVCTL   1024      22     198         147       0       0     225280        0
      malloc-65536  65536       0       3          70       0       1     196608        0
      malloc-32768  32768       0       6         242       0       1     196608        0
         UMA Zones    768     243       1         243       0      16     187392        0
         malloc-32     32    5368     302        5428       0     254     181440        0
         tcp_inpcb   1304      15     123         212       0       8     179952        0
        malloc-128    128    1223     172       25802       0     126     178560        0
       FFS2 dinode    256     564     126         805       0      62     176640        0
        malloc-256    256      85     605        1903       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
              PROC   1368     102      19        1064       0       8     165528        0
             unpcb    320      13     503        1355       0     254     165120        0
     FPU_save_area    832     181      17         582       0      16     164736        0
       S VFS Cache    104    1025     379        1337       0     126     146016        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-32768  32768       2       2          15       0       1     131072        0
      malloc-32768  32768       0       4          13       0       1     131072        0
       malloc-1024   1024     118      10         309       0      16     131072        0
        malloc-128    128     772     251        4614       0     126     130944        0
       mbuf_packet    256       6     502         578       0     254     130048        0
         filedesc0   1072     102      10        1088       0       8     120064        0
          ksiginfo    112      94     950         222       0     126     116928        0
        malloc-128    128     624     151        1803       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
       malloc-8192   8192       8       3          17       0       1      90112        0
       malloc-8192   8192       9       2          95       0       1      90112        0
          UMA Kegs    384     229       4         229       0      30      89472        0
             g_bio    408       0     210        9664       0      30      85680        0
         malloc-64     64     855     468        2902       0     254      84672        0
      malloc-16384  16384       5       0           7       0       1      81920        0
       malloc-4096   4096      15       5         225       0       2      81920        0
        malloc-256    256     184     131        1461       0      62      80640        0
        malloc-256    256     158     157         963       0      62      80640        0
        malloc-256    256     225      90         539       0      62      80640        0
    ertt_txseginfo     40       1    1817        3035       0     254      72720        0
         64 Bucket    512      93      43        2261       0      30      69632        0
        128 Bucket   1024      56      11         272       0      16      68608        0
       tcp_bbr_map    128       0     527         361       0     126      67456        0
      malloc-65536  65536       0       1           1       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-4096   4096      12       4         502       0       2      65536        0
       malloc-1024   1024      26      38         557       0      16      65536        0
         32 Bucket    256      76     179         997       0      62      65280        0
        malloc-384    384      56      94         764       0      30      57600        0
        malloc-384    384     128      22         128       0      30      57600        0
           VMSPACE    584      77      21        1034       0      16      57232        0
             Files     80     280     370        8836       0     126      52000        0
         udp_inpcb    408      11     115         205       0      30      51408        0
        malloc-256    256       3     192         608       0      62      49920        0
        malloc-256    256      36     159         545       0      62      49920        0
           DIRHASH   1024      34      14          36       0      16      49152        0
             NAMEI   1024       0      48       14768       0      16      49152        0
      malloc-16384  16384       1       2         191       0       1      49152        0
       malloc-2048   2048      10      14          57       0       8      49152        0
            da_ccb    544       0      84        2542       0      16      45696        0
             ripcb    376       5     115         114       0      30      45120        0
          syncache    168       0     264           4       0     254      44352        0
            pcpu-8      8    4768     352        5046       0     254      40960        0
              pipe    736      25      30         362       0      16      40480        0
        sctp_chunk    152       1     259           1       0     254      39520        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64      29     538       13707       0     254      36288        0
         malloc-64     64      31     536          59       0     254      36288        0
         malloc-64     64     269     298        1390       0     254      36288        0
         malloc-64     64     112     455        1154       0     254      36288        0
        malloc-128    128      18     261         176       0     126      35712        0
        malloc-128    128      11     268         308       0     126      35712        0
        malloc-128    128     121     158         594       0     126      35712        0
        malloc-128    128      28     251         300       0     126      35712        0
     routing nhops    256      28     107          37       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      72      18          80       0      30      34560        0
        malloc-256    256      27     108         583       0      62      34560        0
        malloc-256    256      16     119         296       0      62      34560        0
         TURNSTILE    136     185      67         185       0      62      34272        0
       malloc-2048   2048       0      16          12       0       8      32768        0
       malloc-2048   2048       2      14           4       0       8      32768        0
       malloc-2048   2048       3      13          59       0       8      32768        0
       malloc-2048   2048       9       7          35       0       8      32768        0
       malloc-2048   2048       8       8          16       0       8      32768        0
       malloc-1024   1024       3      29          48       0      16      32768        0
       malloc-1024   1024      19      13        1072       0      16      32768        0
       malloc-1024   1024       3      29          11       0      16      32768        0
       malloc-1024   1024       3      29           9       0      16      32768        0
       malloc-1024   1024       2      30           2       0      16      32768        0
        malloc-512    512       0      64         110       0      30      32768        0
        malloc-512    512      14      50          65       0      30      32768        0
        malloc-512    512       0      64          14       0      30      32768        0
        malloc-512    512       2      62          52       0      30      32768        0
        malloc-512    512      10      54          33       0      30      32768        0
        malloc-512    512       2      62          29       0      30      32768        0
        malloc-512    512       5      59          21       0      30      32768        0
           pcpu-64     64     501      11         501       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
   tcp_log_id_node    120       3     261           3       0     126      31680        0
              PGRP    120      25     239          45       0     126      31680        0
            clpbuf   2624       0      12          45       0       4      31488        0
        sctp_laddr     48       4     584          21       0     254      28224        0
          rl_entry     48      14     574          17       0     254      28224        0
         malloc-32     32     362     520        7283       0     254      28224        0
         16 Bucket    144      62     134         339       0      62      28224        0
          4 Bucket     48       7     581           9       0     254      28224        0
               AIO    208       1     132          33       0      62      27664        0
     udplite_inpcb    408       2      61           7       0      30      25704        0
            cpuset    200       8     120          10       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       2       1           3       0       1      24576        0
       malloc-4096   4096       3       3          49       0       2      24576        0
 tcp_log_id_bucket    176       3     135           3       0      62      24288        0
               PWD     40      45     561         234       0     254      24240        0
           rtentry    168      31     113          37       0      62      24192        0
          8 Bucket     80      81     219         430       0     126      24000        0
        malloc-384    384       1      59           6       0      30      23040        0
        malloc-384    384      12      48          13       0      30      23040        0
        malloc-384    384      42      18         679       0      30      23040        0
       Mountpoints   2816       2       6           3       0       4      22528        0
        SLEEPQUEUE     88     185      71         185       0     126      22528        0
              ertt     72      12     268         212       0     126      20160        0
         malloc-64     64       3     312           3       0     254      20160        0
         malloc-32     32      73     557         729       0     254      20160        0
         malloc-32     32      49     581         295       0     254      20160        0
         malloc-32     32     160     470        1552       0     254      20160        0
         malloc-32     32      60     570         103       0     254      20160        0
         malloc-32     32     135     495         147       0     254      20160        0
         malloc-32     32      16     614          26       0     254      20160        0
          2 Bucket     32      68     562         461       0     254      20160        0
             KNOTE    160       1     124         101       0      62      20000        0
      tcp_rack_map    128       0     155           3       0     126      19840        0
           cryptop    280       0      70          16       0      30      19600        0
      ktls_session    256       1      74           3       0      62      19200        0
       L VFS Cache    320       0      60          20       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-8192   8192       0       2          26       0       1      16384        0
       malloc-8192   8192       0       2          22       0       1      16384        0
       malloc-4096   4096       0       4          76       0       2      16384        0
       malloc-4096   4096       1       3           6       0       2      16384        0
       malloc-4096   4096       0       4           5       0       2      16384        0
       malloc-1024   1024       0      16           1       0      16      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
       tcp_bbr_pcb    896       0      18           3       0      16      16128        0
         malloc-16     16     513     487        3557       0     254      16000        0
              kenv    258      17      43        1067       0      30      15480        0
      tcp_rack_pcb   1088       0      14           1       0       8      15232        0
            mqnode    416       3      33           3       0      30      14976        0
         domainset     40       0     315           2       0     254      12600        0
        SMR SHARED     24       8     503           8       0     254      12264        0
         malloc-16     16      81     669        1730       0     254      12000        0
         malloc-16     16       9     741          14       0     254      12000        0
         malloc-16     16      40     710         134       0     254      12000        0
         malloc-16     16      56     694       29309       0     254      12000        0
         malloc-16     16      15     735          18       0     254      12000        0
         malloc-16     16      12     738          55       0     254      12000        0
            itimer    352       0      33          23       0      30      11616        0
            splice    184       0      63           1       0      62      11592        0
             AIOCB    552       0      21          46       0      16      11592        0
        malloc-384    384       1      29           2       0      30      11520        0
            AIOLIO    272       0      42           3       0      30      11424        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        2580       0     254       8016        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          20       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 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      64          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
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
          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
            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
      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-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/24 12:04 freebsd-src 723445fdeee7 770ff59f console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/09/22 01:45 freebsd-src 2b8bfdcad1f4 67c37560 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/09/14 12:53 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/08/31 02:39 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/21 20:57 freebsd-src 5df4eb5fd7f2 56d87229 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/19 09:28 freebsd-src 0bf113e9041f 7117feec console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/19 04:05 freebsd-src 0bf113e9041f 7117feec console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/12 00:23 freebsd-src 99d5cf25d7b8 3cda49cf console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/10 22:50 freebsd-src e8019a159185 3cda49cf console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/10 10:41 freebsd-src 78935fa40eee d7384b6d console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/08 08:38 freebsd-src 01a679715f68 4f67c4ae console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/08 06:19 freebsd-src 01a679715f68 4f67c4ae console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/07 11:27 freebsd-src e05999a8c5a9 4f67c4ae console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/07 00:10 freebsd-src 3ba480f41801 4f67c4ae console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/05 20:30 freebsd-src 476d2d8f290f 4f67c4ae console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/07/03 19:13 freebsd-src 9d004de910bb a3c808e4 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/30 09:20 freebsd-src 171f66b0c2ca fc9d8ee5 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/25 14:05 freebsd-src eab94b59a774 26d77996 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/21 20:15 freebsd-src 24fb405260ed d6cdfb8a console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/21 10:48 freebsd-src 220cdd1b3941 d6cdfb8a console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/21 02:20 freebsd-src 220cdd1b3941 d6cdfb8a console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/17 00:49 freebsd-src 3d8f65fbf8f5 b07d7613 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/08 17:21 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/05 05:02 freebsd-src 8e1e989c77d4 6b6b5f21 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/03 04:14 freebsd-src d8773fdcbfa3 a30356b7 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/06/02 04:44 freebsd-src 9de72af2cceb 3d2f584d console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/05/29 20:55 freebsd-src 18378ef11a0a 3d2f584d console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/05/28 02:19 freebsd-src 23d8e956fbe2 874a1386 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/05/26 12:05 freebsd-src 9ce5410b9094 06877188 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/05/22 08:53 freebsd-src 30fd79b0c0a3 0919b50b console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/05/01 01:53 freebsd-src ebda367c4d47 ce7952f4 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/04/29 06:43 freebsd-src 4e2616b74cb7 aeb6ec69 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/09/01 19:58 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-i386 panic: negative vmsize for uid NUM
2025/05/06 10:54 freebsd-src 9ab96b38215e ae98e6b9 console log report ci-freebsd-i386 panic: negative vmsize for uid NUM
* Struck through repros no longer work on HEAD.