syzbot


panic: Bad link elm ADDR next->prev != elm (4)

Status: fixed on 2025/04/13 04:19
Reported-by: syzbot+00306bae05e6b278182c@syzkaller.appspotmail.com
Fix commit: a6268f89d58c proc: Disallow re-enabling of process itimers during exit
First crash: 179d, last: 157d
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: Bad link elm ADDR next->prev != elm (3) 2 C 97 1458d 1881d 0/2 closed as dup on 2021/09/07 22:53
freebsd panic: Bad link elm ADDR next->prev != elm 2 11 2292d 2309d 0/2 auto-closed as invalid on 2019/10/25 08:44
freebsd panic: Bad link elm ADDR next->prev != elm (2) 2 1 2044d 2044d 0/2 auto-closed as invalid on 2020/04/22 16:29

Sample crash report:
panic: Bad link elm 0xfffffe006e645188 next->prev != elm
cpuid = 0
time = 201
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057280a90
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057280bf0
vpanic() at vpanic+0x257/frame 0xfffffe0057280db0
panic() at panic+0xb5/frame 0xfffffe0057280e80
sysctl_kern_callout_stat() at sysctl_kern_callout_stat/frame 0xfffffe0057280ef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0057280f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0057280f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 2 tid 100031 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23e7777(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe00033eee30
rdx                          0
rbx         0xffffffff82750300  .str.27
rsp         0xfffffe0057280bd0
rbp         0xfffffe0057280bf0
rsi                          0
rdi         0xffffffff815dbf19  printf+0x149
r8                           0
r9                  0xffffffff
r10                        0x1
r11                        0xd
r12         0xfffffe0008018740
r13         0xfffffffffffffffe
r14         0xffffffff82750300  .str.27
r15                          0
rip         0xffffffff815c689e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23e7777(%rip)
db> show proc
Process 2 (clock) at 0xfffffe0008006020:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83938780
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83938780 reapsubtree: 2
 sigparent: 20
 vmspace: 0xffffffff83939720
   (map 0xffffffff83939720)
   (map.pmap 0xffffffff839397c0)
   (pmap 0xffffffff83939830)
 threads: 2
100031                   Run     CPU 0                       [clock (0)]
100032                   I                                   [clock (1)]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1340   766   766     0  R                                   syz-executor
 1339     1  1029     0  S       uwait   0xfffffe006e38ba80  syz-executor
 1336   767   767     0  R       (threaded)                  syz-executor
100988                   RunQ                                syz-executor
101011                   RunQ                                syz-executor
 1332     1   767     0  S       uwait   0xfffffe0059eb7080  syz-executor
 1329     1  1329    65  Ss      select  0xfffffe00587ff1c0  dhclient
 1325     1  1029     0  S       uwait   0xfffffe007a963580  syz-executor
 1320     1  1029     0  S       uwait   0xfffffe006e38b600  syz-executor
 1319     1  1029     0  S       uwait   0xfffffe007a963480  syz-executor
 1318     1   766     0  SV      uwait   0xfffffe007a963280  syz-executor
 1315     0     0     0  DL      mdwait  0xfffffe007af47000  [md8]
 1314     1   767     0  SV      uwait   0xfffffe006e38bd00  syz-executor
 1312     0     0     0  DL      -       0xffffffff83939be0  [accounting]
 1308     1   767     0  S       uwait   0xfffffe006e388980  syz-executor
 1307     1  1029     0  SV      uwait   0xfffffe007aedb700  syz-executor
 1303     1   766     0  S       uwait   0xfffffe007a963980  syz-executor
 1300     1   766     0  S       uwait   0xfffffe006eb07e00  syz-executor
 1299     1  1029     0  S       uwait   0xfffffe007a84fb00  syz-executor
 1293     1   767     0  S       uwait   0xfffffe006e38bd80  syz-executor
 1291     1   764     0  S       uwait   0xfffffe007aedb500  syz-executor
 1290     1   764     0  S       uwait   0xfffffe007aedb400  syz-executor
 1289     1   764     0  S       uwait   0xfffffe007aedb300  syz-executor
 1288     1   766     0  S       uwait   0xfffffe007aedb200  syz-executor
 1287     1   764     0  S       uwait   0xfffffe007a965700  syz-executor
 1278     1   766     0  SV      uwait   0xfffffe007a965400  syz-executor
 1272     0     0     0  DL      mdwait  0xfffffe007aed3000  [md6]
 1269     1   764     0  S       uwait   0xfffffe006e38b980  syz-executor
 1262     1   767     0  S       uwait   0xfffffe006e38b880  syz-executor
 1260     0     0     0  DL      -       0xffffffff83a9f280  [soaiod4]
 1259     0     0     0  DL      -       0xffffffff83a9f280  [soaiod3]
 1258     0     0     0  DL      -       0xffffffff83a9f280  [soaiod2]
 1257     0     0     0  DL      -       0xffffffff83a9f280  [soaiod1]
 1256     0     0     0  DL      mdwait  0xfffffe007a96f000  [md5]
 1243     1   766     0  S       uwait   0xfffffe0077c7c700  syz-executor
 1242     1   767     0  S       uwait   0xfffffe007a84fd00  syz-executor
 1241     1   767     0  S       uwait   0xfffffe006eb08080  syz-executor
 1237     1   766     0  S       uwait   0xfffffe007a84f480  syz-executor
 1236     1   766     0  S       uwait   0xfffffe007a965100  syz-executor
 1235     1   767     0  S       uwait   0xfffffe007a84f300  syz-executor
 1231     1   766     0  S       uwait   0xfffffe007a850080  syz-executor
 1228     1   764     0  S       uwait   0xfffffe007a965200  syz-executor
 1222     0     0     0  DL      (threaded)                  [so_splice]
100788                   D       -       0xfffffe0059e24580  [thr_0]
100789                   D       -       0xfffffe0059e245c0  [thr_1]
 1219     1  1029     0  S       uwait   0xfffffe006e388e80  syz-executor
 1218     1  1029     0  S       uwait   0xfffffe0077c7d100  syz-executor
 1216     1  1029     0  S       uwait   0xfffffe007a964e80  syz-executor
 1215     1  1029     0  S       uwait   0xfffffe007a84f200  syz-executor
 1208     1   766     0  SV      uwait   0xfffffe007a84f900  syz-executor
 1199     1   766     0  SV      uwait   0xfffffe006bc37f00  syz-executor
 1198     1   764     0  S       uwait   0xfffffe007a84fe00  syz-executor
 1195     1  1029     0  S       uwait   0xfffffe0058cc4580  syz-executor
 1193     1   764     0  S       uwait   0xfffffe007a84ed80  syz-executor
 1182     1   764     0  S       uwait   0xfffffe006eb09a00  syz-executor
 1175     1   764     0  S       uwait   0xfffffe007a84ff00  syz-executor
 1170     0     0     0  DL      mdwait  0xfffffe007a971000  [md4]
 1164     1   766     0  S       uwait   0xfffffe007a84f100  syz-executor
 1163     1   766     0  S       uwait   0xfffffe007a84fc00  syz-executor
 1157     0     0     0  DL      mdwait  0xfffffe006bf0f000  [md3]
 1155     0     0     0  DL      (threaded)                  [KTLS]
100518                   D       -       0xfffffe006eb4ec00  [thr_0]
100659                   D       -       0xfffffe006eb4ec80  [thr_1]
100660                   D       -       0xffffffff83aa0aa8  [reclaim_0]
 1129     1  1029     0  S       uwait   0xfffffe007a84f700  syz-executor
 1111     1   764     0  S       uwait   0xfffffe006eb09900  syz-executor
 1097     0     0     0  DL      mdwait  0xfffffe00780bf000  [md2]
 1095     1   767     0  S       uwait   0xfffffe006bc37b00  syz-executor
 1092     1  1029     0  S       uwait   0xfffffe0059eb7680  syz-executor
 1086     1  1029     0  S       uwait   0xfffffe006eb09600  syz-executor
 1078     1   767     0  S       uwait   0xfffffe0077c7d200  syz-executor
 1077     1   766     0  S       uwait   0xfffffe006eb09700  syz-executor
 1073     1   766     0  S       uwait   0xfffffe0059e81400  syz-executor
 1070     1   764     0  S       umtxn   0xfffffe006e388d80  syz-executor
 1069     1   764     0  S       uwait   0xfffffe0077c7c800  syz-executor
 1064     1   767 60928  S       uwait   0xfffffe006bc37c00  syz-executor
 1063  1061   764     0  SV      uwait   0xfffffe006bc37900  syz-executor
 1061  1059   764     0  DV      ppwait  0xfffffe00548ddfe0  syz-executor
 1059  1058   764     0  DV      ppwait  0xfffffe0054805000  syz-executor
 1058  1056   764     0  DV      ppwait  0xfffffe0054926a60  syz-executor
 1056  1055   764     0  DV      ppwait  0xfffffe0054967aa0  syz-executor
 1055  1054   764     0  DV      ppwait  0xfffffe0054968000  syz-executor
 1054  1053   764     0  DV      ppwait  0xfffffe0054968560  syz-executor
 1053  1052   764     0  DV      ppwait  0xfffffe0054968ac0  syz-executor
 1052  1051   764     0  DV      ppwait  0xfffffe005496d500  syz-executor
 1051  1049   764     0  DV      ppwait  0xfffffe005496da60  syz-executor
 1049  1048   764     0  DV      ppwait  0xfffffe005496dfc0  syz-executor
 1048  1047   764     0  DV      ppwait  0xfffffe005496e520  syz-executor
 1047  1046   764     0  DV      ppwait  0xfffffe0054960ac0  syz-executor
 1046  1045   764     0  DV      ppwait  0xfffffe0054965500  syz-executor
 1045  1044   764     0  DV      ppwait  0xfffffe0054965a60  syz-executor
 1044  1041   764     0  DV      ppwait  0xfffffe0054965fc0  syz-executor
 1041  1038   764     0  DV      ppwait  0xfffffe0054966520  syz-executor
 1038  1036   764     0  DV      ppwait  0xfffffe0054966a80  syz-executor
 1036  1035   764     0  DV      ppwait  0xfffffe005490f560  syz-executor
 1035  1034   764     0  DV      ppwait  0xfffffe0054966fe0  syz-executor
 1034  1031   764     0  DV      ppwait  0xfffffe0054967540  syz-executor
 1031  1030   764     0  DV      ppwait  0xfffffe005495dfc0  syz-executor
 1030  1027   764     0  DV      ppwait  0xfffffe005495ea80  syz-executor
 1029   763  1029     0  D       ktrace_ 0xffffffff8393bd60  syz-executor
 1027  1026   764     0  DV      ppwait  0xfffffe0054802fc0  syz-executor
 1026  1025   764     0  DV      ppwait  0xfffffe005495efe0  syz-executor
 1025  1024   764     0  DV      ppwait  0xfffffe005495f540  syz-executor
 1024  1023   764     0  DV      ppwait  0xfffffe005495faa0  syz-executor
 1023  1022   764     0  DV      ppwait  0xfffffe0054960000  syz-executor
 1022  1021   764     0  DV      ppwait  0xfffffe0054960560  syz-executor
 1021  1020   764     0  DV      ppwait  0xfffffe0054956fe0  syz-executor
 1020  1019   764     0  DV      ppwait  0xfffffe0054957540  syz-executor
 1019  1018   764     0  DV      ppwait  0xfffffe0054957aa0  syz-executor
 1018  1017   764     0  DV      ppwait  0xfffffe0054958000  syz-executor
 1017  1016   764     0  DV      ppwait  0xfffffe0054958560  syz-executor
 1016  1015   764     0  DV      ppwait  0xfffffe0054958ac0  syz-executor
 1015  1014   764     0  DV      ppwait  0xfffffe005495d500  syz-executor
 1014  1013   764     0  DV      ppwait  0xfffffe005495da60  syz-executor
 1013  1012   764     0  DV      ppwait  0xfffffe0054950000  syz-executor
 1012  1011   764     0  DV      ppwait  0xfffffe0054950560  syz-executor
 1011  1010   764     0  DV      ppwait  0xfffffe0054950ac0  syz-executor
 1010  1009   764     0  DV      ppwait  0xfffffe0054955500  syz-executor
 1009  1008   764     0  DV      ppwait  0xfffffe0054955a60  syz-executor
 1008  1007   764     0  DV      ppwait  0xfffffe0054955fc0  syz-executor
 1007  1006   764     0  DV      ppwait  0xfffffe0054956520  syz-executor
 1006  1005   764     0  DV      ppwait  0xfffffe0054956a80  syz-executor
 1005  1004   764     0  DV      ppwait  0xfffffe005494d500  syz-executor
 1004  1003   764     0  DV      ppwait  0xfffffe005494da60  syz-executor
 1003  1002   764     0  DV      ppwait  0xfffffe005494dfc0  syz-executor
 1002  1000   764     0  DV      ppwait  0xfffffe005494e520  syz-executor
 1000   999   764     0  DV      ppwait  0xfffffe005494ea80  syz-executor
  999   998   764     0  DV      ppwait  0xfffffe005494efe0  syz-executor
  998   997   764     0  DV      ppwait  0xfffffe005494f540  syz-executor
  997   996   764     0  DV      ppwait  0xfffffe005494faa0  syz-executor
  996   995   764     0  DV      ppwait  0xfffffe005493d520  syz-executor
  995   994   764     0  DV      ppwait  0xfffffe005493da80  syz-executor
  994   993   764     0  DV      ppwait  0xfffffe005493dfe0  syz-executor
  993   992   764     0  DV      ppwait  0xfffffe005493e540  syz-executor
  992   991   764     0  DV      ppwait  0xfffffe005493eaa0  syz-executor
  991   990   764     0  DV      ppwait  0xfffffe005493f000  syz-executor
  990   989   764     0  DV      ppwait  0xfffffe005493f560  syz-executor
  989   988   764     0  DV      ppwait  0xfffffe005493fac0  syz-executor
  988   987   764     0  DV      ppwait  0xfffffe005490ca60  syz-executor
  987   985   764     0  DV      ppwait  0xfffffe005490d520  syz-executor
  985   984   764     0  DV      ppwait  0xfffffe005490cfc0  syz-executor
  984     1   764     0  DV      ppwait  0xfffffe005490da80  syz-executor
  980     1   765     0  S       uwait   0xfffffe0059eb7380  syz-executor
  976     1   767     0  S       uwait   0xfffffe0077c7cd80  syz-executor
  952     0     0     0  DL      mdwait  0xfffffe00780c0000  [md135]
  938     1   767     0  S       uwait   0xfffffe0077c7d280  syz-executor
  936     1   767     0  S       uwait   0xfffffe0059eb7600  syz-executor
  933     1   766     0  SV      uwait   0xfffffe006e389f00  syz-executor
  922     1   765     0  S       uwait   0xfffffe0059eb7280  syz-executor
  921     1   765     0  S       uwait   0xfffffe006bc38380  syz-executor
  920     1   765     0  S       uwait   0xfffffe006e38a280  syz-executor
  915     0     0     0  DL      mdwait  0xfffffe006bf11000  [md1]
  908     1   764     0  S       uwait   0xfffffe0058cc4480  syz-executor
  898     1   765     0  S       uwait   0xfffffe006bc37400  syz-executor
  892     1   892     0  Ss+     ttyin   0xfffffe0059bd38b0  getty
  891     1   891     0  Ss+     ttyin   0xfffffe0059bd1cb0  getty
  890     1   890     0  Ss+     ttyin   0xfffffe0059bd14b0  getty
  889     1   889     0  Ss+     ttyin   0xfffffe0059bd30b0  getty
  888     1   888     0  Ss+     ttyin   0xfffffe0058a7fcb0  getty
  887     1   887     0  Ss+     ttyin   0xfffffe0059bd3cb0  getty
  886     1   886     0  Ss+     ttyin   0xfffffe0059bd34b0  getty
  885     1   885     0  Ss+     ttyin   0xfffffe0059bd18b0  getty
  884     1   884     0  Ss+     ttyin   0xfffffe0059bd10b0  getty
  864     1   764     0  S       uwait   0xfffffe0059eb7700  syz-executor
  858     0     0     0  DL      mdwait  0xfffffe006bf12000  [md0]
  850     1   767     0  SV      uwait   0xfffffe0077c7cc80  syz-executor
  840     1   836     0  S       uwait   0xfffffe006e388c80  syz-executor
  839     1   836     0  S       uwait   0xfffffe006e388b80  syz-executor
  838     1   836     0  S       uwait   0xfffffe006e38a180  syz-executor
  837     1   836     0  S       uwait   0xfffffe006e38a380  syz-executor
  832     0     0     0  DL      mdwait  0xfffffe006bf10000  [md7]
  831     1   766     0  SV      uwait   0xfffffe0059e81300  syz-executor
  830     1   830     0  Ss      select  0xfffffe0058cec9c0  dhclient
  825     1   767     0  S       uwait   0xfffffe006e388a80  syz-executor
  820     1   764     0  S       uwait   0xfffffe006e388880  syz-executor
  816     0     0     0  DL      aiordy  0xfffffe00548f35c0  [aiod4]
  814     0     0     0  DL      aiordy  0xfffffe00548f1ae0  [aiod3]
  813     0     0     0  DL      aiordy  0xfffffe00548f2040  [aiod2]
  812     0     0     0  DL      aiordy  0xfffffe00548f25a0  [aiod1]
  767   763   767     0  D       ktrace_ 0xffffffff8393bd60  syz-executor
  766   763   766     0  S       nanslp  0xffffffff8398f3c0  syz-executor
  764   763   764     0  R                                   syz-executor
  763   761   761     0  S       select  0xfffffe00587ff2c0  syz-executor
  761   759   761     0  Ss      pause   0xfffffe00548040f0  csh
  759     1   759     0  Ss      select  0xfffffe00587ff340  sshd
   17     0     0     0  DL      syncer  0xffffffff83aacc20  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0008026040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       psleep  0xffffffff83aab1e0  [bufdaemon]
100083                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058a7ece8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83af60e0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100078                   D       psleep  0xffffffff83adc078  [dom0]
100081                   D       launds  0xffffffff83adc084  [laundry: dom0]
100082                   D       umarcl  0xffffffff81d87d50  [uma]
    7     0     0     0  RL                                  [rand_harvestq]
    6     0     0     0  RL                                  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8428e580  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff836d7340  [doneq0]
100047                   D       -       0xffffffff836d72c0  [async]
100076                   D       -       0xffffffff836d7140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100043                   D       crypto_ 0xffffffff83ad78a0  [crypto]
100044                   D       crypto_ 0xfffffe0058613e30  [crypto returns 0]
100045                   D       crypto_ 0xfffffe0058613e80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe0007f59c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83937da0  [g_event]
100038                   D       -       0xffffffff83937dc0  [g_up]
100039                   D       -       0xffffffff83937de0  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100031                   Run     CPU 0                       [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  RL      (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                   Run     CPU 1                       [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0008007040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ad8340  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84a12ff0  [swapper]
100005                   D       -       0xfffffe0058016000  [softirq_0]
100006                   D       -       0xfffffe0058015e00  [softirq_1]
100007                   D       -       0xfffffe0058015d00  [if_io_tqg_0]
100008                   D       -       0xfffffe0058015c00  [if_io_tqg_1]
100009                   D       -       0xfffffe0058015b00  [if_config_tqg_0]
100010                   D       -       0xfffffe0007fc7500  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0007fc7300  [jail_remove taskq]
100012                   D       -       0xfffffe0007fc7100  [bus taskq]
100015                   D       -       0xfffffe0007fc6a00  [thread taskq]
100017                   D       -       0xfffffe0007fc6600  [aiod_kick taskq]
100018                   D       -       0xfffffe0007fc6400  [deferred_unmount ta]
100019                   D       -       0xfffffe0007fc6200  [inm_free taskq]
100020                   D       -       0xfffffe0007fc6000  [in6m_free taskq]
100021                   D       -       0xfffffe0007fc5d00  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007fc5b00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007fc5b00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007fc5b00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007fc5b00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007fc5600  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007fc5600  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007fc5600  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007fc5600  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0008bffa00  [firmware taskq]
100041                   D       -       0xfffffe0008bff400  [crypto_0]
100042                   D       -       0xfffffe0008bff400  [crypto_1]
100057                   D       -       0xfffffe00587abb00  [vtnet0 rxq 0]
100058                   D       -       0xfffffe00587aba00  [vtnet0 txq 0]
100059                   D       -       0xfffffe00587ab900  [vtnet0 rxq 1]
100060                   D       -       0xfffffe00587ab800  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe00587ff880  [virtio_balloon]
100066                   D       -       0xffffffff827555a0  [deadlkres]
100070                   D       -       0xfffffe0058cd9100  [acpi_task_0]
100071                   D       -       0xfffffe0058cd9100  [acpi_task_1]
100072                   D       -       0xfffffe0058cd9100  [acpi_task_2]
100074                   D       -       0xfffffe0007fc8100  [mca taskq]
100075                   D       -       0xfffffe00587ac300  [CAM taskq]
100077                   D       -       0xfffffe00587aa800  [ipsec_offload]
100986                   D       -       0xfffffe006ea6f800  [netlink_socket (PID]
 1279  1278   766     0  Z                                   syz-executor
 1338  1029  1029     0  Z                                   syz-executor
db> show all locks
Process 764 (syz-executor) thread 0xfffffe005480b740 (100086)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe00084e9558) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:4023
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006ea43228) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_ktrace.c:1382
exclusive sx ktrace_sx (ktrace_sx) r = 0 (0xffffffff8393bd60) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_ktrace.c:423
Process 12 (intr) thread 0xfffffe000801e740 (100035)
exclusive sleep mutex tcp_hpts_lck (hpts) r = 0 (0xfffffe00580df000) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_hpts.c:1403
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          399         5417K          665
          tcp_hpts            7         4801K            7
            devbuf         4188         4324K         4223
          filedesc          281         2249K         1039
         sysctloid        35418         2087K        35493
             vtbuf           24         1968K           46
              kobj          330         1320K          586
            newblk          103         1050K         3753
          vfscache            3         1025K            3
           subproc          408          871K         1560
               pcb          158          805K         1185
          inodedep           36          526K          946
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            5          274K            8
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          104          201K        77412
            acpica         1674          184K        54414
           tidhash            3          141K            3
           pagedep           26          135K          443
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          120          120K          139
               sem            4          106K            4
        gtaskqueue           18           98K           18
           kdtrace          478           83K         2354
               bus          999           82K         5051
        md_sectors           19           76K           19
              umtx          592           74K          592
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          520           65K          523
       ddb_capture            1           64K            1
           md_disk           29           41K           29
              temp           40           38K         2202
            DEVFS3          139           35K          149
         hostcache            1           32K            1
               shm            1           32K            9
               msg            4           30K            4
            kbdmux            6           28K            6
         sctp_atcl           64           24K          513
               LRO           22           23K           22
              GEOM          131           21K          829
      tcp_fsb_rack           10           21K           52
            ifaddr           76           21K           78
        DEVFS_RULE           56           20K           56
          routetbl          160           19K          484
               BPF           16           19K           71
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           lltable           50           16K           65
           ithread           90           15K           90
       ether_multi          182           15K          217
            bus-sc           34           15K         1640
             ifnet            8           15K            8
      eventhandler          163           14K          163
            kqueue          201           14K         1817
           pwddesc          195           13K         1382
           devstat            6           13K            6
              kenv           95           12K           95
              ksem            7           11K           54
         CAM queue            5           11K         1528
         in6_multi           75           10K           75
              rman           82           10K          447
             shmfd            4           10K           11
              cred           36            9K          478
               rpc            8            9K            8
         bmsafemap            3            9K          778
              UART           12            9K           12
           filemon            1            8K           53
       pfs_vncache            1            8K            1
            plimit           21            8K          493
     audit_evclass          239            8K          301
         taskqueue           72            8K           78
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
          pf_ifnet           14            6K           25
       ufs_dirhash           24            5K           36
            CC Mem           37            5K          236
               UMA          271            5K          271
         sctp_timw           17            5K           17
                vt           11            5K           11
         sctp_stro            4            4K           27
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
         proc-args          194            4K         2420
             lockf           35            4K          227
            DEVFSP           60            4K          253
           acpisem           28            4K           28
          kcovinfo           45            3K           45
          terminal           11            3K           11
           uidinfo            6            3K           18
           acpidev           20            3K           20
             hhook            8            3K           10
         sctp_atky           68            3K          541
             clone            9            3K           10
            ip6ndp           14            3K           15
        local_apic            1            2K            1
           io_apic            1            2K            1
         newdirblk           16            2K          392
            dirrem            8            2K          687
         ipsec-saq            2            2K            2
       inpcbpolicy           64            2K          792
          in_multi            8            2K           15
          sctp_ifa           15            2K           16
               tun            5            2K            5
           session           15            2K           49
             selfd           29            2K        77016
          indirdep            7            2K          823
            Unitno           28            2K          278
            crypto            5            2K           52
           CAM XPT           22            2K          543
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
      tcp_pcm_rack            5            2K           26
               msi            9            2K            9
           netlink            2            2K          108
         sctp_athm           64            1K          514
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           68
      NFSD session            1            1K            1
               osd           42            1K          249
          sctp_ifn            7            1K           16
            diradd            7            1K          708
               mld            7            1K            7
              igmp            7            1K            7
        CAM periph            4            1K          271
             ipsec            3            1K            3
              pfil            6            1K            6
            isadev            6            1K            8
             mount           16            1K         1102
          pci_link           10            1K           10
 encap_export_host           12            1K           12
            ip6opt            3            1K           43
         cryptodev            8            1K          210
             mkdir            4            1K          784
        ip_msource            8            1K           41
            select            4            1K           60
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
       ip6_msource            6            1K           14
    chacha20random            1            1K            1
            biobuf            1            1K            1
filedesc_to_leader            5            1K            9
          freework            2            1K         1154
          freeblks            1            1K          501
           VN POLL            2            1K            5
            vnodes            1            1K            8
              ktls            1            1K           11
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
       ip_moptions            3            1K           29
        in_mfilter            4            1K           72
        loginclass            3            1K            5
            prison            6            1K            6
          sctp_map            8            1K           54
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          freefile            1            1K          542
               aio            4            1K            9
           eventfd            1            1K           11
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          sctp_vrf            1            1K            1
      ip6_moptions            2            1K           11
       in6_mfilter            1            1K           25
              vnet            1            1K            1
               pmc            1            1K            1
             sigio            1            1K            3
           entropy            2            1K           34
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          filecaps            1            1K           76
        ext2_mount            0            0K            0
         ext2_node            0            0K            0
      ext2_extents            0            0K            0
            mqdata            0            0K            0
       tcp_do_rack            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            1
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          250
         sctp_iter            0            0K           13
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           13
         sctp_aadr            0            0K            0
         sctp_stri            0            0K            2
        madt_table            0            0K            2
          smartpqi            0            0K            0
               ixl            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
      NMI handlers            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
      amdiommu_dom            0            0K            0
      amdiommu_ctx            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
        aesni_data            0            0K            0
            xenbus            0            0K            0
     vm_fictitious            0            0K            0
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K         1020
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           37
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefrag            0            0K          240
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
          ktls_ocf            0            0K            1
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
      MLX5E_TLS_RX            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
       simple_attr            0            0K            0
          seq_file            0            0K            0
           lkpiskb            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
          lkpindev            0            0K            0
           lkpimhi            0            0K            0
            lkpifw            0            0K            0
         lkpi80211            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K           23
           fadvise            0            0K            2
            statfs            0            0K          197
     namei_tracker            0            0K            7
       export_host            0            0K            0
        cl_savebuf            0            0K           89
               lio            0            0K           25
               acl            0            0K            0
            soname            0            0K         3965
          mbuf_tag            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
           timerfd            0            0K            0
          procdesc            0            0K            8
               iov            0            0K        18890
          ioctlops            0            0K          232
           Witness            0            0K            0
             stack            0            0K            0
              sbuf            0            0K          532
          firmware            0            0K            0
        compressor            0            0K            0
              SWAP            0            0K            0
         sysctltmp            0            0K          670
            sysctl            0            0K            3
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K           17
              rctl            0            0K            0
             cache            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
         boottrace            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K          132
     geom_flashmap            0            0K            0
         tmpfs dir            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
     tmpfs extattr            0            0K            0
           NFS FHA            0            0K            0
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
               xnb            0            0K            0
          xen_acpi            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
            pvscsi            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
            twsbuf            0            0K            0
       tcp_log_dev            0            0K            6
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
       SIIS driver            0            0K            0
               PUC            0            0K            0
          ppbusdev            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            MPSSAS            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
          ix_sriov            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
        aacraidcam            0            0K            0
       aacraid_buf            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            XZ_DEC            0            0K            0
            nvlist            0            0K          175
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
         scsi_pass            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
           nvme_da            0            0K            0
           CAM CCB            0            0K          523
     CAM ccb queue            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       15200       0     254   38494208        0
              mbuf    256    9143     519       44325       0     254    2473472        0
      malloc-16384  16384     140       6         516       0       1    2392064        0
       malloc-4096   4096     528       4        1922       0       2    2179072        0
          BUF TRIE    152     362   11442        3601       0      62    1794208        0
        RADIX NODE    152   11189     246       48152       0      62    1738120        0
        malloc-128    128   12838     151       13644       0     126    1662592        0
        malloc-384    384    4153      47        4175       0      30    1612800        0
       UMA Slabs 0    112   11409      33       11409       0     126    1281504        0
         sctp_asoc   2256       4     506          27       0     254    1150560        0
      malloc-65536  65536      15       2         112       0       1    1114112        0
         vmem btag     56   18580     107       18580       0     254    1046472        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         malloc-64     64    4025    8701       81507       0     254     814464        0
         FFS inode   1168     614      23        1168       0       8     744016        0
           sctp_ep   1152      60     451         483       0     254     588672        0
       malloc-2048   2048     167      97        1491       0       8     540672        0
            THREAD   1824     279      17        1012       0       8     539904        0
            socket   1024     135     373        2605       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
         VM OBJECT    264    1713      57       18810       0      30     467280        0
        256 Bucket   2048     197      11        1295       0       8     425984        0
              pbuf   2624       0     154           0       0       2     404096        0
       malloc-8192   8192      14      34          73       0       1     393216        0
        sctp_raddr    736       4     513          32       0     254     380512        0
           tcp_log    416      82     683         404       0     254     318240        0
             VNODE    440     654      66        1211       0      30     316800        0
         MAP ENTRY     96    2903     373       63966       0     126     314496        0
      malloc-32768  32768       2       7         678       0       1     294912        0
              PROC   1376     197      12        1340       0       8     287584        0
      malloc-65536  65536       2       2           6       0       1     262144        0
     FPU_save_area    832     281      25        1359       0      16     254592        0
         malloc-16     16   14635     365       15317       0     254     240000        0
            DEVCTL   1024      47     173         174       0       0     225280        0
         filedesc0   1072     195      15        1382       0       8     225120        0
    ertt_txseginfo     40       2    5149       16219       0     254     206040        0
      malloc-32768  32768       4       2         124       0       1     196608        0
         malloc-32     32    5537     385        6093       0     254     189504        0
         UMA Zones    768     243       1         243       0      16     187392        0
       malloc-4096   4096      38       6         540       0       2     180224        0
        malloc-128    128    1215     180       25588       0     126     178560        0
       FFS2 dinode    256     614      76        1168       0      62     176640        0
        malloc-256    256     163     527        5099       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320       8     508        1272       0     254     165120        0
      malloc-32768  32768       1       4          46       0       1     163840        0
       tcp_bbr_map    128       2    1269        3866       0     126     162688        0
      malloc-16384  16384       7       2          11       0       1     147456        0
       malloc-1024   1024     133      11        2245       0      16     147456        0
       S VFS Cache    104    1023     381        1752       0     126     146016        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
       mbuf_packet    256      76     432        2650       0     254     130048        0
          ksiginfo    112     195     849         360       0     126     116928        0
       malloc-2048   2048      12      44         560       0       8     114688        0
        malloc-384    384     232      38         247       0      30     103680        0
        128 Bucket   1024      68      31         329       0      16     101376        0
         malloc-64     64    1210     365        4228       0     254     100800        0
        malloc-256    256     217     158        3435       0      62      96000        0
        malloc-256    256     228     147        1221       0      62      96000        0
        malloc-256    256     305      70        1111       0      62      96000        0
        malloc-384    384      99     141        1467       0      30      92160        0
          UMA Kegs    384     228       5         228       0      30      89472        0
         64 Bucket    512      94      74        2785       0      30      86016        0
            vnpbuf   2624       0      32           9       0      16      83968        0
        malloc-128    128     465     186        5887       0     126      83328        0
        sctp_chunk    152      12     508          19       0     254      79040        0
         tcp_inpcb   1304      37      20         236       0       8      74328        0
             g_bio    408       0     180       19854       0      30      73440        0
         malloc-64     64     588     483       51031       0     254      68544        0
               md4      8    8192     192        8192       0     254      67072        0
      malloc-65536  65536       0       1           1       0       1      65536        0
       malloc-8192   8192       6       2          90       0       1      65536        0
       malloc-4096   4096      12       4         220       0       2      65536        0
           VMSPACE    584      94      18        1224       0      16      65408        0
         32 Bucket    256      86     169        2846       0      62      65280        0
       malloc-8192   8192       2       5         108       0       1      57344        0
             ripcb    376      18     132         207       0      30      56400        0
             Files     80     306     344       10485       0     126      52000        0
        malloc-128    128     120     283         917       0     126      51584        0
        malloc-128    128      14     389         311       0     126      51584        0
         udp_inpcb    408       7     119         325       0      30      51408        0
         TURNSTILE    136     297      81         297       0      62      51408        0
           ttyoutq    256      72     123         304       0      62      49920        0
        malloc-256    256      90     105         874       0      62      49920        0
        malloc-256    256      30     165        1831       0      62      49920        0
           DIRHASH   1024      35      13          43       0      16      49152        0
             NAMEI   1024       0      48       17054       0      16      49152        0
      malloc-16384  16384       1       2         181       0       1      49152        0
       malloc-4096   4096      10       2          57       0       2      49152        0
       malloc-2048   2048      10      14         148       0       8      49152        0
       malloc-1024   1024       6      42         514       0      16      49152        0
        malloc-512    512       3      93          49       0      30      49152        0
            pcpu-8      8    4921     711        5424       0     254      45056        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16         142       0       4      41984        0
       malloc-4096   4096       6       4         411       0       2      40960        0
       malloc-4096   4096       6       4          12       0       2      40960        0
              pipe    736      21      34         331       0      16      40480        0
            da_ccb    544       0      70        5068       0      16      38080        0
         malloc-64     64      66     501       18289       0     254      36288        0
         malloc-64     64      45     522         146       0     254      36288        0
         malloc-64     64       6     561          14       0     254      36288        0
         malloc-64     64     200     367        2004       0     254      36288        0
         malloc-64     64       7     560          12       0     254      36288        0
         malloc-32     32     367     767        1571       0     254      36288        0
         16 Bucket    144      64     188         574       0      62      36288        0
      tcp_rack_map    128       5     274         553       0     126      35712        0
        malloc-128    128      41     238         212       0     126      35712        0
        malloc-128    128      37     242         178       0     126      35712        0
        malloc-128    128       4     275         784       0     126      35712        0
     routing nhops    256      31     104          38       0      62      34560        0
        malloc-384    384      59      31         533       0      30      34560        0
        malloc-256    256      39      96          52       0      62      34560        0
        malloc-256    256      13     122         545       0      62      34560        0
        SLEEPQUEUE     88     297      87         297       0     126      33792        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-4096   4096       6       2          13       0       2      32768        0
       malloc-2048   2048       1      15          18       0       8      32768        0
       malloc-2048   2048      11       5          11       0       8      32768        0
       malloc-2048   2048       2      14          16       0       8      32768        0
       malloc-1024   1024       7      25         113       0      16      32768        0
       malloc-1024   1024      18      14        1119       0      16      32768        0
       malloc-1024   1024      19      13          50       0      16      32768        0
        malloc-512    512       1      63         152       0      30      32768        0
        malloc-512    512       9      55         132       0      30      32768        0
        malloc-512    512       0      64          16       0      30      32768        0
        malloc-512    512       5      59         198       0      30      32768        0
        malloc-512    512       8      56          12       0      30      32768        0
           pcpu-64     64     498      14         498       0     254      32768        0
               PWD     40      65     743         429       0     254      32320        0
       tcp_bbr_pcb    896       3      33          39       0      16      32256        0
               ipq     56       0     576           2       0     254      32256        0
sctp_stream_msg_out    112       0     288           1       0     254      32256        0
            ttyinq    160     135      65         570       0      62      32000        0
   tcp_log_id_node    120       1     263           4       0     126      31680        0
              PGRP    120      20     244          56       0     126      31680        0
        sctp_laddr     48      12     576          62       0     254      28224        0
          rl_entry     48      15     573          45       0     254      28224        0
          4 Bucket     48       9     579          23       0     254      28224        0
               AIO    208       1     132          82       0      62      27664        0
             AIOCB    552       0      49         185       0      16      27048        0
     udplite_inpcb    408       2      61          24       0      30      25704        0
            cpuset    200      10     118         145       0      62      25600        0
       malloc-8192   8192       1       2           8       0       1      24576        0
       malloc-8192   8192       1       2          24       0       1      24576        0
       malloc-4096   4096       0       6          96       0       2      24576        0
 tcp_log_id_bucket    176       1     137           4       0      62      24288        0
      tcp_rack_pcb   1152       5      16          26       0       8      24192        0
           rtentry    168      34     110          38       0      62      24192        0
          8 Bucket     80      61     239         526       0     126      24000        0
            itimer    352       0      66          62       0      30      23232        0
        malloc-384    384      23      37          50       0      30      23040        0
        malloc-384    384      22      38         494       0      30      23040        0
       Mountpoints   2816       2       6          12       0       4      22528        0
            swrbuf   2624       0       8          33       0       4      20992        0
         hostcache     64       2     313           2       0     254      20160        0
              ertt     72      37     243         236       0     126      20160        0
         malloc-32     32      80     550         619       0     254      20160        0
         malloc-32     32      79     551         381       0     254      20160        0
         malloc-32     32     308     322        2646       0     254      20160        0
         malloc-32     32      58     572       17252       0     254      20160        0
         malloc-32     32      14     616          26       0     254      20160        0
          2 Bucket     32      84     546         797       0     254      20160        0
             KNOTE    160       1     124         224       0      62      20000        0
         malloc-16     16     662     588        5820       0     254      20000        0
           cryptop    280       0      70          16       0      30      19600        0
      ktls_session    256       0      75           1       0      62      19200        0
       L VFS Cache    320       0      60          48       0      30      19200        0
            AIOLIO    272       0      70          25       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-2048   2048       1       7           1       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       4      12           4       0      16      16384        0
       malloc-1024   1024       8       8           8       0      16      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
              kenv    258      17      43        1066       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
         domainset     40       0     315         130       0     254      12600        0
        SMR SHARED     24       8     503           8       0     254      12264        0
      vtnet_tx_hdr     24       0     501       14828       0     254      12024        0
         malloc-16     16      95     655         995       0     254      12000        0
         malloc-16     16      77     673       36233       0     254      12000        0
         malloc-16     16      15     735          16       0     254      12000        0
         malloc-16     16      32     718          71       0     254      12000        0
         malloc-16     16      13     737          21       0     254      12000        0
            splice    184       0      63          65       0      62      11592        0
        malloc-384    384      11      19          11       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
tfo_ccache_entries     80       1     127           1       0     126      10240        0
       malloc-8192   8192       1       0           1       0       1       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
         malloc-16     16      10     490          10       0     254       8000        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        KMAP ENTRY     96      15      24          30       0       0       3744        0
             md135      4       0       0           0       0     254          0        0
               md7      1       0       0           0       0     254          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 frags    256       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf UDP mappings    104       0       0           0       0     126          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    376       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
   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
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
        MAC labels     40       0       0           0       0     254          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
          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-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-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
         malloc-32     32       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/24 09:44 freebsd-src 574816356834 875573af console log report ci-freebsd-main panic: Bad link elm ADDR next->prev != elm
2025/03/02 07:39 freebsd-src e74a3c75855f c3901742 console log report ci-freebsd-main panic: Bad link elm ADDR next->prev != elm
* Struck through repros no longer work on HEAD.