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: 230d, last: 36d

Sample crash report:
panic: negative vmsize for uid 60928

cpuid = 1
time = 1762670414
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00570c75f0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00570c7750
vpanic() at vpanic+0x257/frame 0xfffffe00570c7910
panic() at panic+0xb5/frame 0xfffffe00570c79d0
swap_release_by_cred() at swap_release_by_cred+0x14f/frame 0xfffffe00570c7a10
vm_map_entry_delete() at vm_map_entry_delete+0xca/frame 0xfffffe00570c7a90
vm_map_delete() at vm_map_delete+0x530/frame 0xfffffe00570c7bd0
kern_munmap() at kern_munmap+0x1d0/frame 0xfffffe00570c7d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe00570c7f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00570c7f30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a6e9a, rsp = 0x82625ff08, rbp = 0x82625ff80 ---
KDB: enter: panic
[ thread pid 917 tid 100327 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x2589547(%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         0xfffffe0074600000
rdx                    0x7ffff
rbx         0xffffffff828271a0  .str.27
rsp         0xfffffe00570c7730
rbp         0xfffffe00570c7750
rsi                    0x80001
rdi         0xffffffff8165b669  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                        0xb
r12         0xfffffe005872c780
r13         0xfffffffffffffffd
r14         0xffffffff828271a0  .str.27
r15                          0
rip         0xffffffff81644a4e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x2589547(%rip)
db> show proc
Process 917 (syz-executor) at 0xfffffe0058705558:
 state: NORMAL
 uid: 0 gid: 60928 supp gids: 0, 5
 parent: pid 768 at 0xfffffe0058605018
 ABI: FreeBSD ELF64
 flag: 0x10000180  flag2: 0
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0007811490
   (map 0xfffffe0007811490)
   (map.pmap 0xfffffe0007811530)
   (pmap 0xfffffe00078115a0)
 threads: 3
100243                   RunQ                                syz-executor
100327                   Run     CPU 1                       syz-executor
100331                   RunQ                                syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  922   921   765     0  R                                   syz-executor
  921   765   765     0  R       (threaded)                  syz-executor
100334                   Run     CPU 0                       syz-executor
100340                   S       uwait   0xfffffe0077bfba00  syz-executor
  918   767   767     0  R       (threaded)                  syz-executor
100275                   RunQ                                syz-executor
100332                   S       accept  0xfffffe0059979a10  syz-executor
100335                   S       uwait   0xfffffe0077a9bc00  syz-executor
  917   768   768 60928  R       (threaded)                  syz-executor
100243                   RunQ                                syz-executor
100327                   Run     CPU 1                       syz-executor
100331                   RunQ                                syz-executor
  914     1   765    -1  S       uwait   0xfffffe0058306180  syz-executor
  911     1   767     0  S       uwait   0xfffffe0058308e00  syz-executor
  904     1   768     0  S       uwait   0xfffffe0058589180  syz-executor
  903     1   768     0  S       uwait   0xfffffe005858ae80  syz-executor
  902     1   767     0  S       uwait   0xfffffe0058308c00  syz-executor
  901     1   767     0  S       uwait   0xfffffe0058306280  syz-executor
  899     0     0     0  DL      mdwait  0xfffffe00077fe000  [md58027]
  894     0     0     0  DL      (threaded)                  [so_splice]
100117                   D       -       0xfffffe0007787680  [thr_0]
100244                   D       -       0xfffffe00077876c0  [thr_1]
  891     1   767     0  S       uwait   0xfffffe005858b980  syz-executor
  886   766   886     0  Ts      (threaded)                  syz-executor
100118                   s                                   syz-executor
100233                   D       fork    0xffffffff8282b881  syz-executor
  877     0     0     0  DL      (threaded)                  [KTLS]
100184                   D       -       0xfffffe006e873500  [thr_0]
100220                   D       -       0xfffffe006e873580  [thr_1]
100221                   D       -       0xffffffff83cd0a28  [reclaim_0]
  855     1   766     0  S       uwait   0xfffffe0058307600  syz-executor
  843     1   765 60929  S       uwait   0xfffffe0058589000  syz-executor
  829     1   766     0  S       uwait   0xfffffe005858a280  syz-executor
  827   812   827     0  Ss      select  0xfffffe00077878c0  dhclient
  821     1   821     0  Ss      select  0xfffffe0007787e40  dhclient
  820     1   765     0  S       uwait   0xfffffe0058589980  syz-executor
  817     1   765     0  T       uwait   0xfffffe0058589600  syz-executor
  812   788   423    65  S       select  0xfffffe00077879c0  dhclient
  803     0     0     0  DL      aiordy  0xfffffe00586efab8  [aiod4]
  802     0     0     0  DL      aiordy  0xfffffe00586f0ac0  [aiod3]
  801     0     0     0  DL      aiordy  0xfffffe00586cf560  [aiod2]
  800     0     0     0  DL      aiordy  0xfffffe00586ceab0  [aiod1]
  788   423   423     0  S       wait    0xfffffe00586cfab8  sh
  768   764   768     0  R                                   syz-executor
  767   764   767     0  R                                   syz-executor
  766   764   766     0  S       wait    0xfffffe0058604010  syz-executor
  765   764   765     0  R                                   syz-executor
  764   762   762     0  S       select  0xfffffe0007787cc0  syz-executor
  762   760   762     0  Ss      sigsusp 0xfffffe00587050b0  csh
  760   681   760     0  Ss      select  0xfffffe0007787dc0  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe0058324cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0054261cb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00542620b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00542624b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00542628b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0054262cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00542630b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00542634b0  getty
  739     1   739     0  Ss+     ttyin   0xfffffe00542638b0  getty
  737     1    17     0  S+      piperd  0xfffffe00598cdb80  logger
  736   735    17     0  S+      nanslp  0xffffffff83baf000  sleep
  735     1    17     0  S+      wait    0xfffffe005860b560  sh
  685     1   685     0  Ss      nanslp  0xffffffff83baf000  cron
  681     1   681     0  Ss      select  0xfffffe0054232e40  sshd
  494     1   494     0  Ss      select  0xfffffe0007787ec0  syslogd
  423     1   423     0  Ss      wait    0xfffffe005860b008  devd
  422     1   422    65  Ss      select  0xfffffe00077880c0  dhclient
  337     1   337     0  Ss      select  0xfffffe0007787f40  dhclient
  334     1   334     0  Ss      select  0xfffffe0054232ec0  dhclient
   16     0     0     0  DL      syncer  0xffffffff83cdcc20  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe0058602558  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cdb160  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe005808a0e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d1c040  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83d02108  [dom0]
100080                   D       launds  0xffffffff83d02114  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e2be10  [uma]
    7     0     0     0  DL      -       0xffffffff839275b0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84862f60  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84731700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838f1340  [doneq0]
100046                   D       -       0xffffffff838f12c0  [async]
100075                   D       -       0xffffffff838f1140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83cfd9e0  [crypto]
100043                   D       crypto_ 0xfffffe0007b17030  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0007b17080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b57600  [g_event]
100038                   D       -       0xffffffff83b57620  [g_up]
100039                   D       -       0xffffffff83b57640  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100031                   RunQ                                [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007809010  [init]
   10     0     0     0  DL      audit_w 0xffffffff83cfe480  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c53ff0  [swapper]
100005                   D       -       0xfffffe00077f7a00  [softirq_0]
100006                   D       -       0xfffffe00077f7800  [softirq_1]
100007                   D       -       0xfffffe00077f7600  [if_io_tqg_0]
100008                   D       -       0xfffffe00077f7400  [if_io_tqg_1]
100009                   D       -       0xfffffe00077f7200  [if_config_tqg_0]
100010                   D       -       0xfffffe00077f7000  [kqueue_ctx taskq]
100011                   D       -       0xfffffe00077f6d00  [jail_remove taskq]
100012                   D       -       0xfffffe00077f6b00  [bus taskq]
100015                   D       -       0xfffffe00077f6500  [thread taskq]
100017                   D       -       0xfffffe00077f6100  [aiod_kick taskq]
100018                   D       -       0xfffffe00077f5e00  [deferred_unmount ta]
100019                   D       -       0xfffffe00077f5c00  [inm_free taskq]
100020                   D       -       0xfffffe00077f5a00  [in6m_free taskq]
100021                   D       -       0xfffffe00077f5800  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe00077f5600  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe00077f5600  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe00077f5600  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe00077f5600  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe00077f5100  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe00077f5100  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe00077f5100  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe00077f5100  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe00077f4400  [firmware taskq]
100040                   D       -       0xfffffe0007bcc100  [crypto_0]
100041                   D       -       0xfffffe0007bcc100  [crypto_1]
100056                   D       -       0xfffffe00077f8200  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00541f1500  [vtnet0 txq 0]
100058                   D       -       0xfffffe00541f1400  [vtnet0 rxq 1]
100059                   D       -       0xfffffe00541f1300  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe00580bb200  [virtio_balloon]
100065                   D       -       0xffffffff8282b880  [deadlkres]
100069                   D       -       0xfffffe0058590000  [acpi_task_0]
100070                   D       -       0xfffffe0058590000  [acpi_task_1]
100071                   D       -       0xfffffe0058590000  [acpi_task_2]
100073                   D       -       0xfffffe00077f8100  [mca taskq]
100074                   D       -       0xfffffe0007bcba00  [CAM taskq]
100076                   D       -       0xfffffe0007bcc500  [ipsec_offload]
100240                   D       -       0xfffffe006e873000  [netlink_socket (PID]
100281                   D       -       0xfffffe006e872a00  [system_taskq_0]
100282                   D       -       0xfffffe006e872a00  [system_taskq_1]
100283                   D       -       0xfffffe006e874000  [system_delay_taskq_]
100284                   D       -       0xfffffe006e874000  [system_delay_taskq_]
100285                   D       -       0xfffffe006e872e00  [zvol_tq-0_0]
100286                   D       -       0xfffffe006e872e00  [zvol_tq-0_1]
100287                   D       -       0xfffffe006e872e00  [zvol_tq-0_2]
100288                   D       -       0xfffffe006e872e00  [zvol_tq-0_3]
100289                   D       -       0xfffffe006e872e00  [zvol_tq-0_4]
100290                   D       -       0xfffffe006e872e00  [zvol_tq-0_5]
100291                   D       -       0xfffffe006e872e00  [zvol_tq-0_6]
100292                   D       -       0xfffffe006e872e00  [zvol_tq-0_7]
100293                   D       -       0xfffffe006e872e00  [zvol_tq-0_8]
100294                   D       -       0xfffffe006e872e00  [zvol_tq-0_9]
100295                   D       -       0xfffffe006e872e00  [zvol_tq-0_10]
100296                   D       -       0xfffffe006e872e00  [zvol_tq-0_11]
100297                   D       -       0xfffffe006e872e00  [zvol_tq-0_12]
100298                   D       -       0xfffffe006e872e00  [zvol_tq-0_13]
100299                   D       -       0xfffffe006e872e00  [zvol_tq-0_14]
100300                   D       -       0xfffffe006e872e00  [zvol_tq-0_15]
100301                   D       -       0xfffffe006e872e00  [zvol_tq-0_16]
100302                   D       -       0xfffffe006e872e00  [zvol_tq-0_17]
100303                   D       -       0xfffffe006e872e00  [zvol_tq-0_18]
100304                   D       -       0xfffffe006e872e00  [zvol_tq-0_19]
100305                   D       -       0xfffffe006e872e00  [zvol_tq-0_20]
100306                   D       -       0xfffffe006e872e00  [zvol_tq-0_21]
100307                   D       -       0xfffffe006e872e00  [zvol_tq-0_22]
100308                   D       -       0xfffffe006e872e00  [zvol_tq-0_23]
100309                   D       -       0xfffffe006e872e00  [zvol_tq-0_24]
100310                   D       -       0xfffffe006e872e00  [zvol_tq-0_25]
100311                   D       -       0xfffffe006e872e00  [zvol_tq-0_26]
100312                   D       -       0xfffffe006e872e00  [zvol_tq-0_27]
100313                   D       -       0xfffffe006e872e00  [zvol_tq-0_28]
100314                   D       -       0xfffffe006e872e00  [zvol_tq-0_29]
100315                   D       -       0xfffffe006e872e00  [zvol_tq-0_30]
100316                   D       -       0xfffffe006e872e00  [zvol_tq-0_31]
100321                   D       -       0xfffffe00783da000  [arc_prune]
100322                   D       -       0xfffffe00783d9d00  [arc_flush_0]
100323                   D       -       0xfffffe00783d9d00  [arc_flush_1]
100328                   D       -       0xfffffe006e873200  [netlink_socket (PID]
100330                   D       -       0xfffffe00783d9700  [netlink_socket (PID]
100339                   D       -       0xfffffe0059674500  [dbu_evict]
db> show all locks
Process 921 (syz-executor) thread 0xfffffe0058724000 (100334)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007d542e0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:4024
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006e062ac0) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_ktrace.c:1411
exclusive sx ktrace_sx (ktrace_sx) r = 0 (0xffffffff83b5ba60) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_ktrace.c:718
Process 917 (syz-executor) thread 0xfffffe005872c780 (100327)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe00078114f0) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_mmap.c:596
Process 917 (syz-executor) thread 0xfffffe0058722000 (100331)
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe0058713738) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4373
shared sx killpg racer (killpg racer) r = 0 (0xfffffe00586e55f8) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_fork.c:961
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          409        11938K          563
          tcp_hpts            8         4865K            8
            devbuf         4188         4324K         4214
           solaris           92         2897K           92
         sysctloid        43381         2551K        43477
             vtbuf           24         1968K           46
              kobj          331         1324K          504
            newblk           37         1033K          896
          vfscache            3         1025K            3
               pcb           36          679K          105
          inodedep           36          526K          243
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          filedesc           44          361K          261
           subproc          161          318K         1018
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          102          201K          223
            acpica         1674          184K        54444
              vmem            5          144K            7
           tidhash            3          141K            3
           pagedep           16          132K          124
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
        gtaskqueue           18           98K           18
               LRO           22           85K           22
               bus         1000           82K         5086
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          527           66K          528
       ddb_capture            1           64K            1
           kdtrace          264           53K         1266
              umtx          400           50K          400
               BPF           22           36K           32
         hostcache            1           32K            1
               shm            1           32K            4
            DEVFS3          127           32K          137
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           33           21K         1886
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
         ufs_mount            4           17K            5
              proc            3           17K            3
           filemon            2           16K            4
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           90           15K           90
            bus-sc           34           15K         1657
           lltable           44           14K           44
      eventhandler          164           14K          164
              cred           34           13K          230
            kqueue           94           13K         1049
             ifnet            7           13K            7
       ether_multi          152           13K          167
              kenv           95           12K           95
              GEOM           54           12K          461
        kstat_data           11           11K           11
            plimit           27           11K          356
         CAM queue            5           11K         1528
         taskqueue           96           11K           99
              rman           82           10K          437
               rpc            8            9K            8
         in6_multi           65            9K           66
         bmsafemap            2            9K          209
           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          306
            sglist            6            7K            6
           CAM DEV            3            6K          510
               UMA          331            6K          331
         pfs_nodes           22            6K           22
       ufs_dirhash           24            5K           24
           pwddesc           71            5K          930
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
           md_disk            1            4K            1
             evdev            4            4K            4
           acpisem           28            4K           28
            DEVFSP           49            4K           69
            dirrem           12            3K          175
             selfd           48            3K        17784
           session           23            3K           39
         proc-args           95            3K         1971
          terminal           11            3K           11
           uidinfo            6            3K           12
           acpidev           20            3K           20
             hhook            8            3K           10
             clone            9            3K            9
             lockf           21            3K           43
          kcovinfo           36            3K           36
           netlink            2            3K           73
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
            diradd           14            2K          193
            Unitno           28            2K          279
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
               osd           57            2K          147
         sctp_atcl            4            2K           16
            CC Mem           12            2K           86
          in_multi            6            2K            8
               tun            4            2K            4
         toponodes            6            2K            6
          freefile           11            2K          147
            crypto            7            2K           16
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8322    1838       19278       0     254   41615360        0
              mbuf    256    8684    1488       24971       0     254    2604032        0
        malloc-128    128   14496     136       14941       0     126    1872896        0
          BUF TRIE    152     257   11547         757       0      62    1794208        0
           tcp_log    416    2542    1526       10267       0     254    1692288        0
       malloc-4096   4096     404       2        1985       0       2    1662976        0
        malloc-384    384    4163      37        4183       0      30    1612800        0
       UMA Slabs 0    112   11731      35       11731       0     126    1317792        0
        RADIX NODE    152    7387     122       32616       0      62    1141368        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   17666      85       17666       0     254     994056        0
      malloc-65536  65536      13       1          17       0       1     917504        0
         FFS inode   1168     539      35         687       0       8     670432        0
           sctp_ep   1152       4     507          16       0     254     588672        0
              pbuf   2664       0     198           0       0       2     527472        0
          lkpicurr    168       2    3118           2       0      62     524160        0
         malloc-64     64     178    8012       18021       0     254     524160        0
            socket   1024      54     454        1546       0     254     520192        0
      malloc-16384  16384      23       0         129       0       1     376832        0
            THREAD   1860     191       9         341       0       8     372000        0
         malloc-64     64    5271     336        6375       0     254     358848        0
        256 Bucket   2048     164       6        1213       0       8     348160        0
         VM OBJECT    248    1262     114       14556       0      62     341248        0
         malloc-16     16   18046     454       21060       0     254     296000        0
             VNODE    440     579      87         729       0      30     293040        0
         UMA Zones    768     303       1         303       0      16     233472        0
         malloc-32     32    6950     232        7790       0     254     229824        0
       malloc-2048   2048     106       6         118       0       8     229376        0
            DEVCTL   1024      23     197         150       0       0     225280        0
      malloc-32768  32768       4       2         124       0       1     196608        0
     FPU_save_area    832     193      32         433       0      16     187200        0
       malloc-2048   2048       3      85        1085       0       8     180224        0
        malloc-128    128    1145     250       25363       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
         MAP ENTRY     96    1681      83       46643       0     126     169344        0
             unpcb    320      21     495        1200       0     254     165120        0
      malloc-32768  32768       3       2           7       0       1     163840        0
      malloc-32768  32768       0       5          47       0       1     163840        0
       FFS2 dinode    256     539      91         687       0      62     161280        0
        malloc-256    256      67     563        1273       0      62     161280        0
       malloc-4096   4096      32       4          97       0       2     147456        0
       malloc-1024   1024     127      17         153       0      16     147456        0
       S VFS Cache    104    1005     282        1200       0     126     133848        0
      malloc-65536  65536       0       2          61       0       1     131072        0
      malloc-65536  65536       1       1         119       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       mbuf_packet    256      11     497         736       0     254     130048        0
              PROC   1368      71      17         923       0       8     120384        0
          ksiginfo    112      63     981          96       0     126     116928        0
          UMA Kegs    384     289       4         289       0      30     112512        0
        malloc-256    256     347      88        1728       0      62     111360        0
        malloc-128    128     605     170        1267       0     126      99200        0
       malloc-8192   8192      10       1          14       0       1      90112        0
         filedesc0   1072      71      13         930       0       8      90048        0
        malloc-128    128     429     222         576       0     126      83328        0
      malloc-16384  16384       5       0           7       0       1      81920        0
        malloc-384    384     182      28         721       0      30      80640        0
             g_bio    440       0     180        6537       0      30      79200        0
        128 Bucket   1024      44      23         274       0      16      68608        0
         malloc-64     64     587     484        2472       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       7       1          90       0       1      65536        0
         64 Bucket    512      85      43        1823       0      30      65536        0
        malloc-256    256     185      70         549       0      62      65280        0
        malloc-128    128     203     200         230       0     126      51584        0
        malloc-256    256      26     169         324       0      62      49920        0
         32 Bucket    256      74     121        3246       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       13536       0      16      49152        0
       malloc-2048   2048      11      13          63       0       8      49152        0
       malloc-1024   1024      12      36         524       0      16      49152        0
           pcpu-64     64     507     261         507       0     254      49152        0
          syncache    176       1     275          13       0     254      48576        0
        malloc-384    384      36      84         244       0      30      46080        0
            pcpu-8      8    5130     502        5342       0     254      45056        0
         tcp_inpcb   1304      13      20          86       0       8      43032        0
         TURNSTILE    136     201     114         201       0      62      42840        0
       malloc-4096   4096       6       4          10       0       2      40960        0
           VMSPACE    584      49      21         900       0      16      40880        0
              pipe    736      21      34         309       0      16      40480        0
            da_ccb    544       0      70        1773       0      16      38080        0
         udp_inpcb    408       8      82         172       0      30      36720        0
         hostcache     64       2     565           2       0     254      36288        0
         malloc-64     64      25     542         290       0     254      36288        0
         malloc-64     64     290     277       14042       0     254      36288        0
         malloc-64     64      79     488        1521       0     254      36288        0
         malloc-64     64     136     431         162       0     254      36288        0
        malloc-128    128      49     230         300       0     126      35712        0
        malloc-128    128      63     216        3515       0     126      35712        0
        malloc-128    128      97     182         846       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      49      41         382       0      30      34560        0
        malloc-256    256      28     107         136       0      62      34560        0
        malloc-256    256      28     107         356       0      62      34560        0
        malloc-256    256      68      67         132       0      62      34560        0
        malloc-256    256      27     108         392       0      62      34560        0
        SLEEPQUEUE     88     201     183         201       0     126      33792        0
      malloc-32768  32768       0       1          12       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         190       0       1      32768        0
       malloc-8192   8192       2       2          23       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       5       3          10       0       2      32768        0
       malloc-2048   2048      10       6          22       0       8      32768        0
       malloc-2048   2048      11       5          31       0       8      32768        0
       malloc-2048   2048       4      12          39       0       8      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       4      12         195       0       8      32768        0
       malloc-1024   1024       4      28          48       0      16      32768        0
       malloc-1024   1024      13      19        1017       0      16      32768        0
       malloc-1024   1024       7      25         190       0      16      32768        0
       malloc-1024   1024      17      15          19       0      16      32768        0
        malloc-512    512       0      64         110       0      30      32768        0
        malloc-512    512      16      48          29       0      30      32768        0
        malloc-512    512       8      56          51       0      30      32768        0
        malloc-512    512       1      63          22       0      30      32768        0
        malloc-512    512       2      62          14       0      30      32768        0
        malloc-512    512       9      55           9       0      30      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     212     188        7468       0     126      32000        0
            clpbuf   2664       0      12          51       0       4      31968        0
              PGRP    120      27     237          45       0     126      31680        0
          rl_entry     48       2     586           5       0     254      28224        0
         malloc-32     32     383     499        1006       0     254      28224        0
         16 Bucket    144      57     139         314       0      62      28224        0
          4 Bucket     48       6     582           8       0     254      28224        0
               AIO    208       2     131          27       0      62      27664        0
     udplite_inpcb    408       1      62           9       0      30      25704        0
            cpuset    200       8     120          18       0      62      25600        0
       malloc-8192   8192       1       2          35       0       1      24576        0
    ertt_txseginfo     40       1     605        1294       0     254      24240        0
               PWD     40      28     578         183       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
          8 Bucket     80      52     248         348       0     126      24000        0
            itimer    352       1      65           7       0      30      23232        0
        malloc-384    384      25      35          63       0      30      23040        0
         domainset     40       0     567           8       0     254      22680        0
             ripcb    376       3      57          25       0      30      22560        0
              ertt     72      12     268          86       0     126      20160        0
         malloc-64     64       0     315           5       0     254      20160        0
         malloc-32     32      36     594         185       0     254      20160        0
         malloc-32     32      90     540         210       0     254      20160        0
         malloc-32     32     106     524         617       0     254      20160        0
         malloc-32     32      30     600         218       0     254      20160        0
         malloc-32     32      24     606          72       0     254      20160        0
         malloc-32     32      31     599        3693       0     254      20160        0
          2 Bucket     32      59     571         385       0     254      20160        0
             KNOTE    160       7     118          46       0      62      20000        0
      tcp_rack_map    128       0     155           7       0     126      19840        0
             AIOCB    552       0      35          27       0      16      19320        0
      ktls_session    256       0      75           2       0      62      19200        0
            AIOLIO    272       0      70           3       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-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       1       3           7       0       2      16384        0
       malloc-4096   4096       1       3         186       0       2      16384        0
       malloc-1024   1024       8       8           8       0      16      16384        0
       malloc-1024   1024       1      15           1       0      16      16384        0
        malloc-512    512       3      29          51       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
               ipq     56       0     288           1       0     254      16128        0
        sctp_laddr     48       0     336          12       0     254      16128        0
   tcp_log_id_node    120       1     131           1       0     126      15840        0
              kenv    258      17      43        1076       0      30      15480        0
      tcp_rack_pcb   1088       0      14           1       0       8      15232        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
arc_buf_hdr_t_full    368       4      29           4       0      30      12144        0
 tcp_log_id_bucket    176       1      68           1       0      62      12144        0
         malloc-16     16      57     693        1461       0     254      12000        0
         malloc-16     16      38     712         218       0     254      12000        0
         malloc-16     16     100     650         440       0     254      12000        0
         malloc-16     16       4     746         122       0     254      12000        0
         malloc-16     16     291     459         305       0     254      12000        0
         malloc-16     16      23     727       24816       0     254      12000        0
           cryptop    280       0      42           1       0      30      11760        0
            splice    184       0      63           1       0      62      11592        0
       L VFS Cache    320       0      36           4       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
       Mountpoints   2816       2       2           3       0       4      11264        0
       malloc-4096   4096       0       2           1       0       2       8192        0
      vtnet_tx_hdr     24       0     334         912       0     254       8016        0
         malloc-16     16       5     495           8       0     254       8000        0
           pcpu-16     16       4     252           4       0     254       4096        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        KMAP ENTRY     96      15      24          28       0       0       3744        0
               tfo      4       1     492           1       0     254       1972        0
dbuf_dirty_record_t    376       0       0           0       0      30          0        0
    dmu_buf_impl_t    376       0       0           0       0      30          0        0
         arc_buf_t     32       0       0           0       0     254          0        0
arc_buf_hdr_t_l2only     96       0       0           0       0     126          0        0
           dnode_t    952       0       0           0       0      16          0        0
          sa_cache    272       0       0           0       0      30          0        0
         abd_chunk   4096       0       0           0       0       2          0        0
zio_buf_comb_16777216 16777216       0       0           0       0       1          0        0
zio_buf_comb_12582912 12582912       0       0           0       0       1          0        0
zio_buf_comb_8388608 8388608       0       0           0       0       1          0        0
zio_buf_comb_6291456 6291456       0       0           0       0       1          0        0
zio_buf_comb_4194304 4194304       0       0           0       0       1          0        0
zio_buf_comb_3145728 3145728       0       0           0       0       1          0        0
zio_buf_comb_2097152 2097152       0       0           0       0       1          0        0
zio_buf_comb_1572864 1572864       0       0           0       0       1          0        0
zio_buf_comb_1048576 1048576       0       0           0       0       1          0        0
zio_buf_comb_786432 786432       0       0           0       0       1          0        0
zio_buf_comb_524288 524288       0       0           0       0       1          0        0
zio_buf_comb_393216 393216       0       0           0       0       1          0        0
zio_buf_comb_262144 262144       0       0           0       0       1          0        0
zio_buf_comb_196608 196608       0       0           0       0       1          0        0
zio_buf_comb_131072 131072       0       0           0       0       1          0        0
zio_buf_comb_98304  98304       0       0           0       0       1          0        0
zio_buf_comb_65536  65536       0       0           0       0       1          0        0
zio_buf_comb_49152  49152       0       0           0       0       1          0        0
zio_buf_comb_32768  32768       0       0           0       0       1          0        0
zio_buf_comb_24576  24576       0       0           0       0       1          0        0
zio_data_buf_16384  16384       0       0           0       0       1          0        0
     zio_buf_16384  16384       0       0           0       0       1          0        0
zio_data_buf_12288  12288       0       0           0       0       1          0        0
     zio_buf_12288  12288       0       0           0       0       1          0        0
 zio_data_buf_8192   8192       0       0           0       0       1          0        0
      zio_buf_8192   8192       0       0           0       0       1          0        0
 zio_data_buf_6144   6144       0       0           0       0       1          0        0
      zio_buf_6144   6144       0       0           0       0       1          0        0
 zio_data_buf_4096   4096       0       0           0       0       2          0        0
      zio_buf_4096   4096       0       0           0       0       2          0        0
 zio_data_buf_3072   3072       0       0           0       0       4          0        0
      zio_buf_3072   3072       0       0           0       0       4          0        0
 zio_data_buf_2048   2048       0       0           0       0       8          0        0
      zio_buf_2048   2048       0       0           0       0       8          0        0
 zio_data_buf_1536   1536       0       0           0       0       8          0        0
      zio_buf_1536   1536       0       0           0       0       8          0        0
 zio_data_buf_1024   1024       0       0           0       0      16          0        0
      zio_buf_1024   1024       0       0           0       0      16          0        0
  zio_data_buf_512    512       0       0           0       0      30          0        0
       zio_buf_512    512       0       0           0       0      30          0        0
    zio_link_cache     48       0       0           0       0     254          0        0
         zio_cache   1152       0       0           0       0       8          0        0
ddt_log_entry_trad_cache    328       0       0           0       0      30          0        0
ddt_log_entry_flat_cache    144       0       0           0       0      62          0        0
ddt_entry_trad_cache    368       0       0           0       0      30          0        0
ddt_entry_flat_cache    184       0       0           0       0      62          0        0
         ddt_cache  29240       0       0           0       0       1          0        0
   brt_entry_cache    168       0       0           0       0      62          0        0
metaslab_alloc_trace_cache     72       0       0           0       0     126          0        0
zfs_btree_leaf_cache   4096       0       0           0       0       2          0        0
   reference_cache     48       0       0           0       0     254          0        0
        taskq_zone    160       0       0           0       0      62          0        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    152       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
  pf fragment node     72       0       0           0       0     126          0        0
          pf frags    232       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
pf Ethernet anchors   1240       0       0           0       0      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
       tcp_bbr_pcb    896       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
          sackhole     32       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2256       0       0           0       0     254          0        0
          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   2664       0       0           0       0      16          0        0
           nfspbuf   2664       0       0           0       0       4          0        0
            swwbuf   2664       0       0           0       0       2          0        0
            swrbuf   2664       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-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        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 (36):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/09 06:40 freebsd-src 335fc09ab8d2 4e1406b4 console log report ci-freebsd-main panic: negative vmsize for uid NUM
2025/11/07 05:53 freebsd-src d7a138207fa4 4e1406b4 console log report ci-freebsd-main panic: negative vmsize for uid NUM
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.