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: 80d, last: 6d15h

Sample crash report:
panic: negative vmsize for uid 60928

cpuid = 1
time = 1752279763
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056cde2f0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056cde450
vpanic() at vpanic+0x257/frame 0xfffffe0056cde610
panic() at panic+0xb5/frame 0xfffffe0056cde6d0
swap_release_by_cred() at swap_release_by_cred+0x14f/frame 0xfffffe0056cde710
vm_map_entry_delete() at vm_map_entry_delete+0xca/frame 0xfffffe0056cde790
vm_map_delete() at vm_map_delete+0x530/frame 0xfffffe0056cde8d0
vm_map_fixed() at vm_map_fixed+0x181/frame 0xfffffe0056cde9c0
vm_mmap_object() at vm_mmap_object+0x3d6/frame 0xfffffe0056cdea70
kern_mmap() at kern_mmap+0xc81/frame 0xfffffe0056cdec10
sys_mmap() at sys_mmap+0x153/frame 0xfffffe0056cded10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056cdef30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056cdef30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a1afa, rsp = 0x827fc3f08, rbp = 0x827fc3f80 ---
KDB: enter: panic
[ thread pid 864 tid 100234 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25c2d27(%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         0xfffffe006ee00000
rdx                    0x7ffff
rbx         0xffffffff827bfdc0  .str.27
rsp         0xfffffe0056cde430
rbp         0xfffffe0056cde450
rsi                    0x80001
rdi         0xffffffff816128e9  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                        0xb
r12         0xfffffe005409d000
r13         0xfffffffffffffffd
r14         0xffffffff827bfdc0  .str.27
r15                          0
rip         0xffffffff815fc46e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x25c2d27(%rip)
db> show proc
Process 864 (syz-executor) at 0xfffffe00540a75a0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 763 at 0xfffffe00540a6020
 ABI: FreeBSD ELF64
 flag: 0x10000180  flag2: 0
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00540ca6d8
   (map 0xfffffe00540ca6d8)
   (map.pmap 0xfffffe00540ca778)
   (pmap 0xfffffe00540ca7e8)
 threads: 3
100096                   Run     CPU 0                       syz-executor
100220                   RunQ                                syz-executor
100234                   Run     CPU 1                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  871   868   766     0  SV      uwait   0xfffffe00077e9880  syz-executor
  870   868   766     0  SV      uwait   0xfffffe00077e9980  syz-executor
  869   866   765     0  S       uwait   0xfffffe0058277d00  syz-executor
  868   766   766     0  R       (threaded)                  syz-executor
100178                   RunQ                                syz-executor
100227                   D       ppwait  0xfffffe005412bac0  syz-executor
100230                   S       wait    0xfffffe005413dac0  syz-executor
100231                   D       ppwait  0xfffffe0054109a60  syz-executor
  867   866   765     0  S       uwait   0xfffffe00077e9e80  syz-executor
  866   765   765    -1  R       (threaded)                  syz-executor
100122                   RunQ                                syz-executor
100222                   RunQ                                syz-executor
100232                   S       uwait   0xfffffe00077e9180  syz-executor
100233                   RunQ                                syz-executor
  864   763   763 60928  R       (threaded)                  syz-executor
100096                   Run     CPU 0                       syz-executor
100220                   RunQ                                syz-executor
100234                   Run     CPU 1                       syz-executor
  859   764   764     0  T       (threaded)                  syz-executor
100151                   s                                   syz-executor
100201                   RunQ                                syz-executor
100203                   D       ufs     0xfffffe00778a4908  syz-executor
100204                   RunQ                                syz-executor
100205                   D       ufs     0xfffffe00778a4908  syz-executor
100208                   s                                   syz-executor
  849     1   766     0  S       uwait   0xfffffe00584f9b80  syz-executor
  846     1   765     0  S       uwait   0xfffffe0058274300  syz-executor
  844     1   766     0  S       uwait   0xfffffe0058276b80  syz-executor
  843     1   763     0  S       uwait   0xfffffe0058276180  syz-executor
  842     1   765     0  S       uwait   0xfffffe0058274d00  syz-executor
  837     1   766     0  S       uwait   0xfffffe00077e9a80  syz-executor
  835     0     0     0  DL      aiordy  0xfffffe0054109ac0  [aiod4]
  834     0     0     0  DL      aiordy  0xfffffe005410a020  [aiod3]
  833     0     0     0  DL      aiordy  0xfffffe005410a580  [aiod2]
  832     0     0     0  DL      aiordy  0xfffffe005410aae0  [aiod1]
  830     1   763     0  S       uwait   0xfffffe0058276380  syz-executor
  829     1   763     0  S       uwait   0xfffffe00584fa900  syz-executor
  827     1   765     0  S       uwait   0xfffffe0058276e80  syz-executor
  823     1   763     0  S       uwait   0xfffffe00584fa800  syz-executor
  822     1   763     0  S       uwait   0xfffffe0058274000  syz-executor
  820     1   763     0  S       uwait   0xfffffe0058275a80  syz-executor
  815   805   815     0  Ss      select  0xfffffe00593fcd40  dhclient
  808     1   808     0  Ss      select  0xfffffe000778e740  dhclient
  805   787   423    65  S       select  0xfffffe000778e8c0  dhclient
  787   423   423     0  S       wait    0xfffffe00540055c0  sh
  766   762   766     0  S       nanslp  0xffffffff83ba0340  syz-executor
  765   762   765     0  R                                   syz-executor
  764   762   764     0  S       nanslp  0xffffffff83ba0340  syz-executor
  763   762   763     0  S       nanslp  0xffffffff83ba0340  syz-executor
  762   760   760     0  S       select  0xfffffe000778f0c0  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe0054004650  csh
  758   681   758     0  Ss      select  0xfffffe000778f240  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe0007a7f0b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00586300b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00586304b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0007a7b4b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0007a7b8b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00586308b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0058630cb0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00586310b0  getty
  739     1   739     0  Ss+     ttyin   0xfffffe00586314b0  getty
  737     1    17     0  S+      piperd  0xfffffe00597df420  logger
  736   735    17     0  S+      nanslp  0xffffffff83ba0340  sleep
  735     1    17     0  S+      wait    0xfffffe00540a85c0  sh
  685     1   685     0  Ss      nanslp  0xffffffff83ba0340  cron
  681     1   681     0  Ss      select  0xfffffe000778f440  sshd
  494     1   494     0  Ss      select  0xfffffe000778f6c0  syslogd
  423     1   423     0  Ss      wait    0xfffffe00540a7b00  devd
  422     1   422    65  Ss      select  0xfffffe00593fdcc0  dhclient
  337     1   337     0  Ss      select  0xfffffe00593fdec0  dhclient
  334     1   334     0  Ss      select  0xfffffe00593fdf40  dhclient
   16     0     0     0  DL      syncer  0xffffffff83cbde20  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a060  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cbc360  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe00077628e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d07280  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83ced348  [dom0]
100080                   D       launds  0xffffffff83ced354  [laundry: dom0]
100081                   D       umarcl  0xffffffff81dde890  [uma]
    7     0     0     0  DL      -       0xffffffff83918cd0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff8485d9e0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff844a1700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838e3340  [doneq0]
100046                   D       -       0xffffffff838e32c0  [async]
100075                   D       -       0xffffffff838e3140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83ce8c00  [crypto]
100043                   D       crypto_ 0xfffffe0057d72030  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0057d72080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b48d00  [g_event]
100038                   D       -       0xffffffff83b48d20  [g_up]
100039                   D       -       0xffffffff83b48d40  [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    0xfffffe0007809040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ce96a0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c34ff0  [swapper]
100005                   D       -       0xfffffe0007a8de00  [softirq_0]
100006                   D       -       0xfffffe0007a8dd00  [softirq_1]
100007                   D       -       0xfffffe0007a8dc00  [if_io_tqg_0]
100008                   D       -       0xfffffe0007a8db00  [if_io_tqg_1]
100009                   D       -       0xfffffe0007a8da00  [if_config_tqg_0]
100010                   D       -       0xfffffe000776d700  [kqueue_ctx taskq]
100011                   D       -       0xfffffe000776d500  [jail_remove taskq]
100012                   D       -       0xfffffe000776d300  [bus taskq]
100015                   D       -       0xfffffe000776cc00  [thread taskq]
100017                   D       -       0xfffffe000776c800  [aiod_kick taskq]
100018                   D       -       0xfffffe000776c600  [deferred_unmount ta]
100019                   D       -       0xfffffe000776c400  [inm_free taskq]
100020                   D       -       0xfffffe000776c200  [in6m_free taskq]
100021                   D       -       0xfffffe000776c000  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe000776bd00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe000776bd00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe000776bd00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe000776bd00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe000776b800  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe000776b800  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe000776b800  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe000776b800  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053eef100  [firmware taskq]
100040                   D       -       0xfffffe0053eeeb00  [crypto_0]
100041                   D       -       0xfffffe0053eeeb00  [crypto_1]
100056                   D       -       0xfffffe0053eede00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0053eedd00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0053eedc00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0053eedb00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0007790680  [virtio_balloon]
100065                   D       -       0xffffffff827c51a1  [deadlkres]
100069                   D       -       0xfffffe0058500100  [acpi_task_0]
100070                   D       -       0xfffffe0058500100  [acpi_task_1]
100071                   D       -       0xfffffe0058500100  [acpi_task_2]
100073                   D       -       0xfffffe000776f100  [mca taskq]
100074                   D       -       0xfffffe0053eee500  [CAM taskq]
100076                   D       -       0xfffffe00584ff700  [ipsec_offload]
db> show all locks
Process 864 (syz-executor) thread 0xfffffe00540be000 (100096)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff83bb44b0) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_umtx.c:1313
Process 864 (syz-executor) thread 0xfffffe0054147780 (100220)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe005414c2a8) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4373
shared sx killpg racer (killpg racer) r = 0 (0xfffffe00540a4670) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_fork.c:959
Process 864 (syz-executor) thread 0xfffffe005409d000 (100234)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe00540ca738) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:1975
Process 859 (syz-executor) thread 0xfffffe005409e780 (100201)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007cf8f78) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:1752
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe00778a4908) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_vnops.c:1243
Process 859 (syz-executor) thread 0xfffffe005410d780 (100203)
shared lockmgr ufs (ufs) r = 0 (0xfffffe00778a4e30) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:5237
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          376         5071K          571
          tcp_hpts            7         4801K            7
            devbuf         4187         4323K         4212
         sysctloid        34891         2055K        34966
             vtbuf           24         1968K           46
              kobj          330         1320K          496
            newblk           69         1041K          625
          vfscache            3         1025K            3
               pcb           32          673K           97
          inodedep           28          523K          159
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          filedesc           48          377K          171
           subproc          160          318K          963
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K          102
            acpica         1674          184K        54432
              vmem            5          144K            6
           tidhash            3          141K            3
           pagedep           11          131K           67
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          106          106K          123
        gtaskqueue           18           98K           18
               bus         1002           82K         5074
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          521           66K          524
       ddb_capture            1           64K            1
               BPF           25           44K           31
           kdtrace          225           43K         1108
              umtx          336           42K          336
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          125           32K          135
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           31           21K         1868
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
               LRO           18           19K           18
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           90           15K           90
            bus-sc           34           15K         1650
      eventhandler          163           14K          163
           lltable           43           14K           44
             ifnet            7           13K            7
       ether_multi          152           13K          167
              kenv           95           12K           95
              GEOM           61           11K          477
         CAM queue            5           11K         1528
              rman           82           10K          447
            plimit           25           10K          334
               rpc            8            9K            8
         in6_multi           65            9K           65
         bmsafemap            2            9K          127
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            2
             shmfd            1            8K            3
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          303
         taskqueue           69            8K           72
              cred           28            7K          203
            sglist            6            7K            6
           CAM DEV            3            6K          510
            kqueue           75            6K          944
         pfs_nodes           22            6K           22
       ufs_dirhash           24            5K           24
           pwddesc           71            5K          879
               UMA          266            5K          266
          pf_ifnet           10            5K           19
      tcp_fsb_rack            2            5K            4
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
             selfd           49            4K        11164
            DEVFSP           48            3K           65
         proc-args           98            3K         1916
          terminal           11            3K           11
           session           22            3K           34
           uidinfo            5            3K           12
           acpidev           20            3K           20
             hhook            8            3K           10
             clone            9            3K            9
          kcovinfo           36            3K           36
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             lockf           19            2K           33
            diradd           15            2K          117
            ip6ndp           12            2K           13
            Unitno           28            2K           52
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
         sctp_atcl            4            2K           22
            dirrem            6            2K           98
          in_multi            6            2K            9
               tun            4            2K            4
            select           12            2K           38
         toponodes            6            2K            6
            crypto            7            2K           11
       ipsecpolicy            2            2K            2
          freefile           10            2K           73
               msi            9            2K            9
           netlink            2            2K           73
         sctp_stro            1            1K            4
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           12
      NFSD session            1            1K            1
             mount           19            1K          203
        CAM periph            4            1K          271
             ipsec            3            1K            3
         sctp_timw            3            1K            3
          sctp_ifn            6            1K           14
          indirdep            3            1K           56
               mld            6            1K            6
            CC Mem            6            1K           99
              igmp            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            8
          pci_link           10            1K           10
 encap_export_host           12            1K           12
               osd           11            1K          115
       inpcbpolicy           19            1K          279
            ip6opt            3            1K           13
         sctp_stri            1            1K            4
         newdirblk            4            1K           51
             mkdir            4            1K          102
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
      counter_rate           14            1K           14
    chacha20random            1            1K            1
            biobuf            1            1K            1
         cryptodev            5            1K           56
      tcp_pcm_rack            1            1K            2
            vnodes            1            1K            3
          procdesc            2            1K            8
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
         sctp_atky            5            1K           28
            feeder            7            1K            7
       ip6_msource            3            1K            4
             frag6            2            1K            2
           tcpfunc            3            1K            3
        loginclass            3            1K            5
            prison            6            1K            6
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          freefrag            1            1K            9
           VN POLL            1            1K            1
               aio            4            1K            6
               iov            2            1K        13639
          pmchooks            1            1K            1
          filecaps            5            1K           73
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         3354
          sctp_vrf            1            1K            1
         sctp_athm            4            1K           24
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           33
          acpiintr            1            1K            1
          sctp_map            2            1K            8
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           fadvise            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           91
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       12776       0     254   38494208        0
           tcp_log    416    1291    4811       10643       0     254    2538432        0
              mbuf    256    8617    1045       17645       0     254    2473472        0
          BUF TRIE    152     222   11582         683       0      62    1794208        0
        malloc-384    384    4118      52        4118       0      30    1601280        0
        malloc-128    128   11461     133       11931       0     126    1484032        0
       malloc-4096   4096     343       3         986       0       2    1417216        0
       UMA Slabs 0    112   10971       3       10971       0     126    1229088        0
         sctp_asoc   2256       1     509           4       0     254    1150560        0
        RADIX NODE    152    7170     105       30712       0      62    1105800        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   16963      68       16963       0     254     953736        0
      malloc-65536  65536       9       2          21       0       1     720896        0
         FFS inode   1168     535      39         613       0       8     670432        0
           sctp_ep   1152       2     509          16       0     254     588672        0
            socket   1024      36     472        1504       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
      malloc-16384  16384      25       2         275       0       1     442368        0
      malloc-65536  65536       6       0           6       0       1     393216        0
        sctp_raddr    736       1     516           9       0     254     380512        0
        256 Bucket   2048     165      13        1118       0       8     364544        0
       malloc-4096   4096      81       3         894       0       2     344064        0
         VM OBJECT    248    1289      87       13951       0      62     341248        0
            THREAD   1860     152      16         234       0       8     312480        0
         malloc-64     64    4131     468        5232       0     254     294336        0
             VNODE    440     574      92         654       0      30     293040        0
      malloc-65536  65536       0       4          63       0       1     262144        0
       malloc-2048   2048     106      14         297       0       8     245760        0
         malloc-16     16   14465     285       15884       0     254     236000        0
            DEVCTL   1024      21     199         148       0       0     225280        0
         malloc-64     64     185    3154       12158       0     254     213696        0
         MAP ENTRY     96    1743     273       43992       0     126     193536        0
         malloc-32     32    5420     502        5889       0     254     189504        0
         UMA Zones    768     238       1         238       0      16     183552        0
        malloc-128    128    1217     178       28681       0     126     178560        0
        malloc-256    256     134     556         789       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320      12     504        1177       0     254     165120        0
      malloc-32768  32768       0       5          35       0       1     163840        0
       FFS2 dinode    256     535      95         613       0      62     161280        0
     FPU_save_area    832     154      26         277       0      16     149760        0
       S VFS Cache    104     999     288        1105       0     126     133848        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-32768  32768       4       0           4       0       1     131072        0
       malloc-1024   1024     111      17         128       0      16     131072        0
       mbuf_packet    256       1     507         187       0     254     130048        0
              PROC   1376      71      17         872       0       8     121088        0
         tcp_inpcb   1304       7      83          99       0       8     117360        0
          ksiginfo    112      64     980          96       0     126     116928        0
        malloc-128    128     686     213        1023       0     126     115072        0
       malloc-2048   2048       8      48        1064       0       8     114688        0
      malloc-32768  32768       1       2          15       0       1      98304        0
      malloc-32768  32768       0       3           5       0       1      98304        0
         filedesc0   1072      71      13         879       0       8      90048        0
          UMA Kegs    384     225       8         225       0      30      89472        0
             g_bio    408       0     210        5986       0      30      85680        0
       malloc-8192   8192       7       3          12       0       1      81920        0
       malloc-4096   4096      16       4         213       0       2      81920        0
        malloc-256    256     199     116        1217       0      62      80640        0
        sctp_chunk    152       1     519           6       0     254      79040        0
        128 Bucket   1024      50      17         249       0      16      68608        0
         malloc-64     64     517     554       14835       0     254      68544        0
        malloc-128    128     305     222         310       0     126      67456        0
        malloc-128    128     369     158         949       0     126      67456        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
         64 Bucket    512      85      43        1878       0      30      65536        0
        malloc-256    256     133     122         176       0      62      65280        0
    ertt_txseginfo     40       0    1616        1698       0     254      64640        0
        malloc-384    384      82      68         241       0      30      57600        0
        malloc-384    384     114      36         134       0      30      57600        0
         malloc-64     64     467     352         674       0     254      52416        0
         malloc-64     64      85     734        1486       0     254      52416        0
        malloc-128    128     133     270         639       0     126      51584        0
        malloc-256    256      50     145         569       0      62      49920        0
        malloc-256    256      59     136         764       0      62      49920        0
         32 Bucket    256      71     124         513       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       1      47       13173       0      16      49152        0
      malloc-16384  16384       1       2           5       0       1      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       5       1         112       0       1      49152        0
       malloc-2048   2048       6      18          68       0       8      49152        0
       malloc-1024   1024      11      37        1513       0      16      49152        0
           VMSPACE    584      51      33         852       0      16      49056        0
        malloc-384    384      79      41         731       0      30      46080        0
          syncache    168       0     264           3       0     254      44352        0
             Files     80     227     323        7218       0     126      44000        0
            pcpu-8      8    4726     394        4910       0     254      40960        0
            da_ccb    544       0      70        1600       0      16      38080        0
         udp_inpcb    408       7      83         157       0      30      36720        0
         malloc-64     64      29     538         102       0     254      36288        0
         malloc-64     64     209     358         246       0     254      36288        0
         malloc-64     64      49     518         109       0     254      36288        0
       tcp_bbr_map    128       0     279           6       0     126      35712        0
        malloc-128    128      23     256          40       0     126      35712        0
        malloc-128    128      42     237         219       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      64      71          82       0      62      34560        0
        malloc-256    256      84      51         435       0      62      34560        0
        malloc-256    256      23     112         158       0      62      34560        0
         TURNSTILE    136     169      83         169       0      62      34272        0
        SLEEPQUEUE     88     169     215         169       0     126      33792        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       5       3          93       0       2      32768        0
       malloc-2048   2048       2      14           8       0       8      32768        0
       malloc-2048   2048       6      10           6       0       8      32768        0
       malloc-2048   2048       5      11          69       0       8      32768        0
       malloc-2048   2048      11       5          38       0       8      32768        0
       malloc-1024   1024       0      32           3       0      16      32768        0
       malloc-1024   1024       9      23         207       0      16      32768        0
       malloc-1024   1024      28       4          37       0      16      32768        0
       malloc-1024   1024       4      28          24       0      16      32768        0
       malloc-1024   1024       8      24           9       0      16      32768        0
       malloc-1024   1024       1      31           3       0      16      32768        0
        malloc-512    512       9      55          10       0      30      32768        0
        malloc-512    512       3      61         177       0      30      32768        0
        malloc-512    512       4      60          37       0      30      32768        0
        malloc-512    512       6      58          10       0      30      32768        0
        malloc-512    512       1      63          18       0      30      32768        0
           pcpu-64     64     498      14         498       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
              PGRP    120      26     238          38       0     126      31680        0
            clpbuf   2624       0      12          20       0       4      31488        0
        sctp_laddr     48       1     587          13       0     254      28224        0
          rl_entry     48       3     585           4       0     254      28224        0
         malloc-32     32     335     547         411       0     254      28224        0
         16 Bucket    144      64     132         287       0      62      28224        0
          4 Bucket     48       6     582           8       0     254      28224        0
               AIO    208       0     133           9       0      62      27664        0
     udplite_inpcb    408       2      61           7       0      30      25704        0
            cpuset    200       7     121          11       0      62      25600        0
       malloc-8192   8192       1       2           6       0       1      24576        0
              pipe    736      20      13         297       0      16      24288        0
               PWD     40      26     580         133       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
          8 Bucket     80      61     239         360       0     126      24000        0
            itimer    352       0      66           2       0      30      23232        0
        malloc-384    384       1      59           3       0      30      23040        0
        malloc-384    384      12      48          31       0      30      23040        0
      tcp_rack_pcb   1088       1      20           2       0       8      22848        0
             ripcb    376       4      56          16       0      30      22560        0
       Mountpoints   2816       2       6           3       0       4      22528        0
         hostcache     64       2     313           2       0     254      20160        0
              ertt     72       6     274          99       0     126      20160        0
         malloc-32     32      48     582          71       0     254      20160        0
         malloc-32     32      80     550         274       0     254      20160        0
         malloc-32     32     120     510         158       0     254      20160        0
         malloc-32     32      37     593         717       0     254      20160        0
         malloc-32     32      52     578        2711       0     254      20160        0
         malloc-32     32      19     611        1595       0     254      20160        0
          2 Bucket     32      63     567         374       0     254      20160        0
             KNOTE    160       1     124          27       0      62      20000        0
      tcp_rack_map    128       3     152           3       0     126      19840        0
           cryptop    280       0      70           2       0      30      19600        0
             AIOCB    552       0      35           8       0      16      19320        0
       L VFS Cache    320       0      60           2       0      30      19200        0
            AIOLIO    272       0      70           2       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       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       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       1       3           3       0       2      16384        0
       malloc-4096   4096       1       3          44       0       2      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
        malloc-512    512       4      28          10       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
       tcp_bbr_pcb    896       0      18           1       0      16      16128        0
   tcp_log_id_node    120       1     131           1       0     126      15840        0
              kenv    258      17      43        1066       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
         domainset     40       0     315           3       0     254      12600        0
        SMR SHARED     24       8     503           8       0     254      12264        0
 tcp_log_id_bucket    176       1      68           1       0      62      12144        0
         malloc-16     16      33     717         216       0     254      12000        0
         malloc-16     16      10     740         127       0     254      12000        0
         malloc-16     16     299     451         446       0     254      12000        0
         malloc-16     16      23     727          25       0     254      12000        0
         malloc-16     16     184     566        2910       0     254      12000        0
         malloc-16     16      19     731       24950       0     254      12000        0
         malloc-16     16      37     713         156       0     254      12000        0
        malloc-384    384       1      29           2       0      30      11520        0
tfo_ccache_entries     80       1     127           1       0     126      10240        0
       malloc-4096   4096       0       2           1       0       2       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       0     167        1505       0     254       4008        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          25       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 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      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
          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-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
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl

Crashes (26):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2025/05/06 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.