syzbot


panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h (2)

Status: upstream: reported on 2025/08/23 10:48
Reported-by: syzbot+0d8ade5c014ea74e5627@syzkaller.appspotmail.com
First crash: 47d, last: 3h40m
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h 2 202 134d 164d 0/2 auto-obsoleted due to no activity on 2025/07/16 22:19

Sample crash report:
panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:607: callout_cc_add: Bad list head 0xfffffe00077a05c0 first->prev != head
cpuid = 0
time = 1760030841
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056c7c2b0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056c7c410
vpanic() at vpanic+0x257/frame 0xfffffe0056c7c5d0
panic() at panic+0xb5/frame 0xfffffe0056c7c690
callout_cc_add() at callout_cc_add+0x339/frame 0xfffffe0056c7c6f0
callout_reset_sbt_on() at callout_reset_sbt_on+0x74f/frame 0xfffffe0056c7c810
sleepq_set_timeout_sbt() at sleepq_set_timeout_sbt+0x20b/frame 0xfffffe0056c7c8d0
_sleep() at _sleep+0x468/frame 0xfffffe0056c7ca30
kern_clock_nanosleep() at kern_clock_nanosleep+0x5c4/frame 0xfffffe0056c7cbf0
freebsd32_nanosleep() at freebsd32_nanosleep+0x157/frame 0xfffffe0056c7cd10
ia32_syscall() at ia32_syscall+0x4d2/frame 0xfffffe0056c7cf30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffffdc70
KDB: enter: panic
[ thread pid 2359 tid 100088 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x259f6b7(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xfffffe007c301000
rdx                    0x7ffff
rbx         0xffffffff8280bda0  .str.27
rsp         0xfffffe0056c7c3f0
rbp         0xfffffe0056c7c410
rsi                    0x80001
rdi         0xffffffff816450f9  printf+0x149
r8                           0
r9                  0xffffffff
r10         0xb3e3d57ec8192a1d
r11         0xfffffe0054040550
r12         0xfffffe0054040000
r13         0xfffffffffffffffe
r14         0xffffffff8280bda0  .str.27
r15                          0
rip         0xffffffff8162e4de  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x259f6b7(%rip)
db> show proc
Process 2359 (syz-executor) at 0xfffffe0054005018:
 state: NORMAL
 uid: 0 gid: 0 supp gids: 0, 5
 parent: pid 762 at 0xfffffe00540de008
 ABI: FreeBSD ELF32
 flag: 0x10004000  flag2: 0
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00541896d8
   (map 0xfffffe00541896d8)
   (map.pmap 0xfffffe0054189778)
   (pmap 0xfffffe00541897e8)
 threads: 1
100088                   Run     nanslp  0xffffffff83baec40  syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 3527  2359  2359     0  D       (threaded)                  syz-executor
102500                   S       nanslp  0xffffffff83baec41  syz-executor
103114                   D       biowr   0xfffffe0007eb05a8  syz-executor
103115                   S       uwait   0xfffffe0077deaa00  syz-executor
103117                   S       uwait   0xfffffe006e54d000  syz-executor
 3523  2757  2757     0  S       (threaded)                  syz-executor
102549                   S       nanslp  0xffffffff83baec40  syz-executor
103108                   S       lockf   0xfffffe0007674780  syz-executor
103112                   S       uwait   0xfffffe0077de9280  syz-executor
 3522   764   764     0  S       (threaded)                  syz-executor
102989                   S       nanslp  0xffffffff83baec40  syz-executor
103107                   S       select  0xfffffe00596d1240  syz-executor
103110                   S       uwait   0xfffffe0077dead00  syz-executor
 3478     1   764     0  S       uwait   0xfffffe0077de8b00  syz-executor
 3456     1  2359     0  SV      uwait   0xfffffe0077de8900  syz-executor
 3452     1  2359     0  S       uwait   0xfffffe0077de8f00  syz-executor
 3440     1   765     0  S       uwait   0xfffffe0077de9380  syz-executor
 3430     1  3430     0  Ss      select  0xfffffe00778f6540  dhclient
 3425  3414   423     0  S       nanslp  0xffffffff83baec40  dhclient
 3414   423   423     0  S       wait    0xfffffe0054174570  sh
 3340     1   764     0  S       uwait   0xfffffe007ceeb800  syz-executor
 3331     1   765     0  S       uwait   0xfffffe0077de9e80  syz-executor
 3311     1   765     0  T       uwait   0xfffffe0077dea000  syz-executor
 3310     1   765     0  S       uwait   0xfffffe006e550600  syz-executor
 3301     1   765     0  S       uwait   0xfffffe0077622a00  syz-executor
 3262     1  2757     0  S       uwait   0xfffffe0077deaf00  syz-executor
 3243     1   764     0  S       uwait   0xfffffe0077dea580  syz-executor
 3221     1   765     0  S       uwait   0xfffffe0077de9780  syz-executor
 3211     1  2757     0  S       uwait   0xfffffe0077622200  syz-executor
 3203     1   765     0  S       uwait   0xfffffe0077de9880  syz-executor
 3190     1   764     0  S       uwait   0xfffffe0077deab00  syz-executor
 3134     1   764     0  S       uwait   0xfffffe006e550d80  syz-executor
 3132  3131   765 60929  T       uwait   0xfffffe0077622100  syz-executor
 3131     1   765 60929  SV      uwait   0xfffffe006e550200  syz-executor
 3107     1   765     0  S       uwait   0xfffffe006e54d600  syz-executor
 3091     1   765     0  S       uwait   0xfffffe00582cfb00  syz-executor
 3065     1  2757     0  S       uwait   0xfffffe0077622e00  syz-executor
 3021     1   765     0  S       uwait   0xfffffe0077622700  syz-executor
 2982     1  2757     0  S       uwait   0xfffffe006e54d100  syz-executor
 2920     1  2757     0  S       uwait   0xfffffe0077622b00  syz-executor
 2913     1  2359     0  S       uwait   0xfffffe0077dea900  syz-executor
 2898     1  2898    65  Ss      select  0xfffffe00778f5ac0  dhclient
 2891     1   764     0  S       uwait   0xfffffe006e54d900  syz-executor
 2859     1  2757     0  S       uwait   0xfffffe0077624280  syz-executor
 2835     1  2757     0  S       uwait   0xfffffe006e54d300  syz-executor
 2821     1  2359     0  S       uwait   0xfffffe006e550300  syz-executor
 2806     1  2757     0  S       uwait   0xfffffe0077623d80  syz-executor
 2805     1  2359     0  SV      uwait   0xfffffe006e54f380  syz-executor
 2796     1   765     0  S       uwait   0xfffffe0077624000  syz-executor
 2792     1   764     0  S       uwait   0xfffffe006e550b80  syz-executor
 2785     1  2359     0  S       uwait   0xfffffe0058519080  syz-executor
 2775     1  2359     0  S       uwait   0xfffffe005851ab80  syz-executor
 2757   762  2757     0  S       nanslp  0xffffffff83baec41  syz-executor
 2746     1  2745     0  S       uwait   0xfffffe006e54f180  syz-executor
 2723     1   764     0  S       uwait   0xfffffe0077deb400  syz-executor
 2721     1   764     0  S       uwait   0xfffffe005851ac80  syz-executor
 2708     1   764     0  S       uwait   0xfffffe0077624580  syz-executor
 2667     1   765     0  S       uwait   0xfffffe006e54ea00  syz-executor
 2657     1   765     0  S       uwait   0xfffffe0077623080  syz-executor
 2650     1  2377     0  S       uwait   0xfffffe00582d0c80  syz-executor
 2589     1   765     0  S       uwait   0xfffffe0077deb300  syz-executor
 2580  2579  2377     0  S       uwait   0xfffffe0077deb900  syz-executor
 2579     1  2377     0  SV      wait    0xfffffe005419c568  syz-executor
 2577     1  2377     0  S       uwait   0xfffffe0077deb180  syz-executor
 2576     1  2377     0  S       uwait   0xfffffe00582d1d00  syz-executor
 2565     1  2377     0  S       uwait   0xfffffe0077deb580  syz-executor
 2564     1  2377     0  S       uwait   0xfffffe0077622600  syz-executor
 2548     1   765     0  S       uwait   0xfffffe0077622900  syz-executor
 2547     1   765     0  S       uwait   0xfffffe0077622800  syz-executor
 2534     1  2359     0  S       uwait   0xfffffe0077deb600  syz-executor
 2533     1  2359     0  S       uwait   0xfffffe005851a980  syz-executor
 2521     1   764     0  S       uwait   0xfffffe0077624480  syz-executor
 2520     1   764     0  S       uwait   0xfffffe006e54da80  syz-executor
 2504     1  2377     0  S       uwait   0xfffffe006e54dd80  syz-executor
 2502     1  2377     0  S       uwait   0xfffffe0077624680  syz-executor
 2462     1   764     0  S       uwait   0xfffffe005851ad80  syz-executor
 2451  2449   765     0  S       uwait   0xfffffe0077624900  syz-executor
 2449     1   765     0  SV      wait    0xfffffe005419d018  syz-executor
 2447     1  2377     0  S       uwait   0xfffffe006e54d200  syz-executor
 2432     1   764     0  S       uwait   0xfffffe0077623a80  syz-executor
 2422     1   765     0  S       uwait   0xfffffe005851ae80  syz-executor
 2421     1   765     0  S       uwait   0xfffffe006e54f580  syz-executor
 2412     1   765     0  S       uwait   0xfffffe006e54e100  syz-executor
 2404     1  2359     0  S       uwait   0xfffffe0077624380  syz-executor
 2398     1  2359     0  S       uwait   0xfffffe0077623b80  syz-executor
 2397     1  2377     0  S       uwait   0xfffffe006e54fb80  syz-executor
 2359   762  2359     0  R       nanslp  0xffffffff83baec40  syz-executor
 2281     1   765     0  T       uwait   0xfffffe006e54de80  syz-executor
 2249     1   764     0  S       uwait   0xfffffe006e54e200  syz-executor
 2236     1   763     0  S       uwait   0xfffffe006e54e800  syz-executor
 2215     1   765     0  SV      uwait   0xfffffe0077623c80  syz-executor
 2211     1   765     0  S       uwait   0xfffffe006e54e600  syz-executor
 2200     1   766     0  S       uwait   0xfffffe006e54f680  syz-executor
 2166     0     0     0  DL      mdwait  0xfffffe006e48a000  [md0]
 2138     1   765     0  S       uwait   0xfffffe006e54f780  syz-executor
 2113     1   763     0  SV      uwait   0xfffffe006e54eb00  syz-executor
 2095     1   764     0  S       uwait   0xfffffe0077625180  syz-executor
 2085     1   763 60929  S       uwait   0xfffffe006e54f980  syz-executor
 2074     1   766 60929  S       uwait   0xfffffe005851aa80  syz-executor
 1966     1   763     0  S       uwait   0xfffffe0077624800  syz-executor
 1920     1   766     0  SV      sigwait 0xfffffe00541730c0  syz-executor
 1903     1   763 60928  S       uwait   0xfffffe006e54ed00  syz-executor
 1873     1  1873     0  S       uwait   0xfffffe006e54d980  syz-executor
 1835     1   766 60928  S       uwait   0xfffffe006e54f280  syz-executor
 1831     1  1831     0  S       uwait   0xfffffe006e54e900  syz-executor
 1816     1   765     0  SV      sigwait 0xfffffe0054165b70  syz-executor
 1774     1   764     0  S       uwait   0xfffffe006e54db80  syz-executor
 1754     1   763     0  S       uwait   0xfffffe0077624e00  syz-executor
 1689     1   763     0  SV      sigwait 0xfffffe005412d610  syz-executor
 1685     1   766     0  S       uwait   0xfffffe006e54ee00  syz-executor
 1671     1   763     0  S       uwait   0xfffffe006e54ec00  syz-executor
 1645     1   763     0  SV      uwait   0xfffffe0058517900  syz-executor
 1623     1   764     0  SV      uwait   0xfffffe00582cff00  syz-executor
 1602     1   766     0  SV      sigwait 0xfffffe005410d610  syz-executor
 1591     1   766     0  S       uwait   0xfffffe0058517d00  syz-executor
 1574     1   764     0  S       uwait   0xfffffe006e54f080  syz-executor
 1558     1   764     0  SV      uwait   0xfffffe0077625280  syz-executor
 1549     1   763     0  S       uwait   0xfffffe006e550000  syz-executor
 1479     1   765     0  S       uwait   0xfffffe0077625580  syz-executor
 1475     1  1475     0  Ss      select  0xfffffe00596d14c0  dhclient
 1472     1  1472     0  Ss      select  0xfffffe00778f6bc0  dhclient
 1463     1   765     0  S       uwait   0xfffffe006e54f880  syz-executor
 1462     1   763     0  SV      aiowc   0xfffffe00540dd388  syz-executor
 1413     1   764     0  S       uwait   0xfffffe0077625080  syz-executor
 1408     1   765     0  SV      aiowc   0xfffffe005410e8f0  syz-executor
 1393     1   765     0  S       uwait   0xfffffe006e54fd80  syz-executor
 1392     1   765     0  S       uwait   0xfffffe006e54f480  syz-executor
 1296     1   766     0  S       uwait   0xfffffe006e550400  syz-executor
 1295     1   766     0  S       uwait   0xfffffe00582cf000  syz-executor
 1284     1   763     0  S       uwait   0xfffffe0058519480  syz-executor
 1261     1   764     0  SV      aiowc   0xfffffe0054124388  syz-executor
 1252     1   763     0  S       uwait   0xfffffe0077625380  syz-executor
 1238     1   765     0  S       uwait   0xfffffe006e54fe80  syz-executor
 1234     1   765     0  S       uwait   0xfffffe0077624c00  syz-executor
 1221     1   764     0  S       uwait   0xfffffe0057dc8a80  syz-executor
 1201     1   763     0  S       uwait   0xfffffe00582cfd00  syz-executor
 1189     1   765     0  S       uwait   0xfffffe00582d2a80  syz-executor
 1181     1   766     0  S       umtxn   0xfffffe0077625780  syz-executor
 1173     1   763     0  S       uwait   0xfffffe0057dc8c80  syz-executor
 1154     1   766     0  S       uwait   0xfffffe006e550880  syz-executor
 1135     1   765     0  S       uwait   0xfffffe0058517c00  syz-executor
 1134     1   765     0  S       uwait   0xfffffe0057dc8d80  syz-executor
 1128     0     0     0  DL      (threaded)                  [so_splice]
100252                   D       -       0xfffffe006e550780  [thr_0]
100421                   D       -       0xfffffe006e5507c0  [thr_1]
 1111     1   763     0  S       uwait   0xfffffe0077624d00  syz-executor
 1110     1   763     0  S       uwait   0xfffffe00582d2d80  syz-executor
 1105     1   764     0  S       uwait   0xfffffe0077624f00  syz-executor
 1099     1   764     0  S       uwait   0xfffffe0057dc8700  syz-executor
 1094     1   764     0  S       uwait   0xfffffe0057dc8680  syz-executor
 1093     1   764     0  S       uwait   0xfffffe0077625880  syz-executor
 1040     1   766 60928  S       uwait   0xfffffe0077625480  syz-executor
 1030     1   764     0  S       uwait   0xfffffe0077625980  syz-executor
 1015     1   766     0  S       uwait   0xfffffe0077625680  syz-executor
  968     1   765     0  S       uwait   0xfffffe00582cf100  syz-executor
  939     1   765     0  S       uwait   0xfffffe0058517b00  syz-executor
  902     0     0     0  DL      -       0xffffffff83ccee00  [soaiod4]
  901     0     0     0  DL      -       0xffffffff83ccee00  [soaiod3]
  899     0     0     0  DL      -       0xffffffff83ccee00  [soaiod2]
  898     0     0     0  DL      -       0xffffffff83ccee00  [soaiod1]
  895     0     0     0  DL      mdwait  0xfffffe006e48b000  [md2147483519]
  885     1   765     0  T                                   syz-executor
  858     0     0     0  DL      aiordy  0xfffffe005410dab8  [aiod4]
  857     0     0     0  DL      aiordy  0xfffffe005410c558  [aiod3]
  856     0     0     0  DL      aiordy  0xfffffe005410cab0  [aiod2]
  855     0     0     0  DL      aiordy  0xfffffe005410d008  [aiod1]
  823     1   765     0  S       uwait   0xfffffe0058517a00  syz-executor
  765   762   765     0  S       piperd  0xfffffe0059847420  syz-executor
  764   762   764     0  R       CPU 1                       syz-executor
  762   760   760     0  S       select  0xfffffe006dc3c140  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe0054003b68  csh
  758   681   758     0  Ss      select  0xfffffe006dc3c040  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe00582b80b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00595080b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00595088b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0053f660b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00582c3cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00582c44b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0053f668b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0053f680b0  getty
  739     1   739     0  Ss+     ttyin   0xfffffe0053f688b0  getty
  685     1   685     0  Ss      nanslp  0xffffffff83baec41  cron
  681     1   681     0  Ss      select  0xfffffe006dc3c2c0  sshd
  494     1   494     0  Ss      select  0xfffffe006dc3c440  syslogd
  423     1   423     0  Ss      wait    0xfffffe00540aaac0  devd
  422     1   422    65  Ss      select  0xfffffe006dc3c6c0  dhclient
  337     1   337     0  Ss      select  0xfffffe006dc3c740  dhclient
  334     1   334     0  Ss      select  0xfffffe00596d1640  dhclient
   16     0     0     0  DL      syncer  0xffffffff83cdc820  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a018  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cdad60  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100092                   D       sdflush 0xfffffe005995ece8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d25cc0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83d0bd88  [dom0]
100080                   D       launds  0xffffffff83d0bd94  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e15ba0  [uma]
    7     0     0     0  DL      -       0xffffffff839275f8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84846f20  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8470f700  [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_ 0xffffffff83d07660  [crypto]
100043                   D       crypto_ 0xfffffe0057d60030  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0057d60080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b57640  [g_event]
100038                   D       -       0xffffffff83b57660  [g_up]
100039                   D       -       0xffffffff83b57680  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100031                   I                                   [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007809010  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d08100  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c55ff0  [swapper]
100005                   D       -       0xfffffe0053ebf100  [softirq_0]
100006                   D       -       0xfffffe0053ebf000  [softirq_1]
100007                   D       -       0xfffffe0053ebee00  [if_io_tqg_0]
100008                   D       -       0xfffffe0053ebed00  [if_io_tqg_1]
100009                   D       -       0xfffffe0053ebec00  [if_config_tqg_0]
100010                   D       -       0xfffffe00077dc700  [kqueue_ctx taskq]
100011                   D       -       0xfffffe00077dc600  [jail_remove taskq]
100012                   D       -       0xfffffe00077dc500  [bus taskq]
100015                   D       -       0xfffffe00077dc000  [thread taskq]
100017                   D       -       0xfffffe00077dbc00  [aiod_kick taskq]
100018                   D       -       0xfffffe00077dbb00  [deferred_unmount ta]
100019                   D       -       0xfffffe00077dba00  [inm_free taskq]
100020                   D       -       0xfffffe00077db900  [in6m_free taskq]
100021                   D       -       0xfffffe00077db800  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe00077db700  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe00077db700  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe00077db700  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe00077db700  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe00077db600  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe00077db600  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe00077db600  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe00077db600  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe00077db100  [firmware taskq]
100040                   D       -       0xfffffe00083ff600  [crypto_0]
100041                   D       -       0xfffffe00083ff600  [crypto_1]
100056                   D       -       0xfffffe0057e08e00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0057e08d00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0057e08c00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0057e08b00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057d73d80  [virtio_balloon]
100065                   D       -       0xffffffff82810481  [deadlkres]
100069                   D       -       0xfffffe00083ff200  [acpi_task_0]
100070                   D       -       0xfffffe00083ff200  [acpi_task_1]
100071                   D       -       0xfffffe00083ff200  [acpi_task_2]
100073                   D       -       0xfffffe00077de100  [mca taskq]
100074                   D       -       0xfffffe00083ff000  [CAM taskq]
100076                   D       -       0xfffffe0057e08200  [ipsec_offload]
db> show all locks
Process 3527 (syz-executor) thread 0xfffffe007f41f000 (103114)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007eaf5d8) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:1752
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007eb0628) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:4022
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe0059891c78) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_vnops.c:1315
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          403         5225K          542
          tcp_hpts            7         4801K            7
            devbuf         4187         4324K         4218
          filedesc          266         2125K         4929
         sysctloid        35359         2083K        35434
             vtbuf           24         1968K           46
              kobj          331         1324K          522
            newblk           98         1049K         8592
          vfscache            3         1025K            3
           subproc          412          853K         3746
               pcb           33          676K          363
          inodedep           48          530K         3405
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            5          276K            9
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K      1639439
            acpica         1674          184K        54444
           tidhash            3          141K            3
           pagedep           26          135K         2487
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          113          113K          140
               LRO           46          109K           50
               sem            4          106K            4
        gtaskqueue           18           98K           18
           kdtrace          478           84K         6650
               bus         1000           82K         5086
              umtx          608           76K          608
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          524           66K          524
       ddb_capture            1           64K            1
               BPF           27           37K           37
               shm            2           34K           13
          indirdep            6           34K         2103
            DEVFS3          132           33K          143
           filemon            4           32K           17
         hostcache            1           32K            1
               msg            4           30K            4
            ifaddr          112           28K          118
            kbdmux            6           28K            6
          routetbl          374           26K         1004
           lltable           79           25K          106
             ifnet           12           23K           13
              temp           52           22K         3383
       ether_multi          259           21K          562
        DEVFS_RULE           56           20K           57
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
             shmfd           19           16K           84
              cred           41           16K          419
           ithread           90           15K           90
         in6_multi          105           15K          142
            bus-sc           34           15K         1657
      eventhandler          163           14K          163
            kqueue          194           13K         3886
              GEOM           59           13K          530
           pwddesc          193           13K         3679
              kenv           95           12K           95
         CAM queue            5           11K         1528
            plimit           26           10K          459
              rman           82           10K          437
               rpc            8            9K            8
         bmsafemap            3            9K         3399
           devstat            4            9K            4
              UART           12            9K           12
           md_disk            3            9K           10
              ksem            1            8K           13
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          306
         taskqueue           69            8K          135
            sglist            6            7K            6
           CAM DEV            3            6K          510
          freework           24            6K         4102
          pf_ifnet           15            6K           39
         pfs_nodes           22            6K           22
            DEVFSP           82            6K          190
         proc-args          215            5K         5017
       ufs_dirhash           24            5K           24
         sctp_timw           18            5K           18
               UMA          270            5K          270
             lockf           41            5K          925
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
        md_sectors            1            4K            1
             evdev            4            4K            4
          kcovinfo           63            4K           81
            dirrem           15            4K         3160
           acpisem           28            4K           28
               tun            9            4K            9
             selfd           52            4K       271258
            ip6ndp           21            4K           26
         sctp_stro            3            3K           30
           session           23            3K           58
          sctp_ifa           22            3K           25
          freeblks           11            3K         2655
          terminal           11            3K           11
           uidinfo            6            3K           14
           acpidev           20            3K           20
          freefile           19            3K         2962
             hhook            8            3K           10
         sctp_atcl            6            3K          128
          in_multi            9            3K           51
             clone            9            3K           10
         newdirblk           17            3K         2416
           netlink            2            3K          186
           pf_rule            1            2K           13
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            CC Mem           16            2K          510
            select           15            2K          179
            Unitno           31            2K           88
           CAM XPT           22            2K          543
             nhops            6            2K           10
         toponodes            6            2K            6
            diradd           11            2K         3201
       ipsecpolicy            2            2K            2
               mld           11            2K           11
              igmp           11            2K           11
          sctp_ifn           10            2K           25
               msi            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           40
      NFSD session            1            1K            1
             mkdir            7            1K         4832
        CAM periph            4            1K          271
       inpcbpolicy           27            1K         1180
               osd           21            1K          534
             ipsec            3            1K            3
              pfil            6            1K            6
            isadev            6            1K            6
             mount           16            1K         1320
          pci_link           10            1K           10
        ip_msource           11            1K           69
            crypto            4            1K           45
 encap_export_host           12            1K           12
filedesc_to_leader           10            1K           21
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
      counter_rate           13            1K           13
         sctp_atky            9            1K          177
    chacha20random            1            1K            1
            biobuf            1            1K            1
          procdesc            3            1K           24
           inotify            3            1K           92
             sigio            5            1K           18
         cryptodev            4            1K          166
           VN POLL            2            1K           62
            vnodes            1            1K           42
               iov            4            1K        44748
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           11
           CAM SIM            2            1K            2
            feeder            7            1K            7
         sctp_aadr            3            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            5
            prison            6            1K            6
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
               aio            4            1K            6
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         4329
         sctp_athm            6            1K          144
          sctp_map            6            1K           58
          sctp_vrf            1            1K            1
              vnet            1            1K            1
              accf            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           40
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K          156
                pf            1            1K            7
          p1003.1b            1            1K            1
            mqdata            0            0K            0
          pf_table            0            0K            6
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K           25
         sctp_iter            0            0K           25
         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           25
         sctp_stri            0            0K           32
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
      tcp_pcm_rack            0            0K           25
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            0            0K           50
        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         1623
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           19
           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          179
        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            0
        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
            ip6opt            0            0K          178
       ip6_msource            0            0K            0
      ip6_moptions            0            0K           22
       in6_mfilter            0            0K           18
             frag6            0            0K           14
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
       ip_moptions            0            0K           71
        in_mfilter            0            0K          157
              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           21
           fadvise            0            0K            0
            statfs            0            0K          226
     namei_tracker            0            0K           27
       export_host            0            0K            0
        cl_savebuf            0            0K           88
               lio            0            0K           96
               acl            0            0K            0
          mbuf_tag            0            0K            0
              ktls            0            0K            3
               pts            0            0K            0
           timerfd            0            0K            0
          ioctlops            0            0K          163
           eventfd            0            0K           16
           Witness            0            0K            0
             stack            0            0K            0
              sbuf            0            0K          300
          firmware            0            0K            0
        compressor            0            0K            0
              SWAP            0            0K            0
         sysctltmp            0            0K          811
            sysctl            0            0K            3
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            1
              rctl            0            0K            0
             cache            0            0K            0
          jaildesc            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           90
     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
            ufshci            0            0K            0
            twsbuf            0            0K            0
       tcp_log_dev            0            0K            8
      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
         mpi3mrbuf            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            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
         scsi_pass            0            0K            0
           scsi_da            0            0K           70
            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    8323    1075       78127       0     254   38494208        0
           tcp_log    416    5226    5448       58310       0     254    4440384        0
              mbuf    256    8839    1589      131013       0     254    2669568        0
      malloc-16384  16384     133       5        2459       0       1    2260992        0
      mbuf_cluster   2048     762     254         826       0     254    2080768        0
        RADIX NODE    152   12921     308       95852       0      62    2010808        0
          BUF TRIE    152     391   11413        6321       0      62    1794208        0
        malloc-384    384    4166     154        7594       0      30    1658880        0
        malloc-128    128   11625     248       15028       0     126    1519744        0
       malloc-4096   4096     334       8         568       0       2    1400832        0
       UMA Slabs 0    112   11652       6       11652       0     126    1305696        0
         malloc-64     64     557   18028     1669364       0     254    1189440        0
         sctp_asoc   2256       3     507          29       0     254    1150560        0
         vmem btag     56   19375     104       19375       0     254    1090824        0
       malloc-4096   4096     203       5        3536       0       2     851968        0
         FFS inode   1168     691      23        3717       0       8     833952        0
         VM OBJECT    248    2776     152       48101       0      62     726144        0
      malloc-65536  65536       9       1          12       0       1     655360        0
           sctp_ep   1152       3     508          83       0     254     588672        0
        256 Bucket   2048     262      20        2316       0       8     577536        0
            THREAD   1860     284      20        3119       0       8     565440        0
            socket   1024      47     461        2953       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
         MAP ENTRY     96    5200     218      143766       0     126     520128        0
              pbuf   2624       0     182           0       0       2     477568        0
      malloc-65536  65536       6       0           6       0       1     393216        0
      malloc-65536  65536       0       6         208       0       1     393216        0
        sctp_raddr    736       3     514          29       0     254     380512        0
             VNODE    440     736     110        3765       0      30     372240        0
              PROC   1368     192      17        3529       0       8     285912        0
     FPU_save_area    832     286      38        5405       0      16     269568        0
      malloc-32768  32768       3       5        1859       0       1     262144        0
      malloc-32768  32768       2       6          79       0       1     262144        0
         malloc-64     64    3883     212        3959       0     254     262080        0
       malloc-2048   2048     103      17         451       0       8     245760        0
         malloc-16     16   14591     409       15184       0     254     240000        0
            DEVCTL   1024      39     181         195       0       0     225280        0
         filedesc0   1072     193      17        3679       0       8     225120        0
       mbuf_packet    256       7     755        2227       0     254     195072        0
        malloc-128    128    1384     135        9015       0     126     194432        0
       FFS2 dinode    256     691      59        3717       0      62     192000        0
        malloc-256    256     325     425        8990       0      62     192000        0
         malloc-32     32    5390     532        6630       0     254     189504        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-128    128    1190     205       25387       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320      18     498        1612       0     254     165120        0
       malloc-1024   1024     140      20         167       0      16     163840        0
        malloc-384    384     359      31         769       0      30     149760        0
       malloc-2048   2048       7      65         517       0       8     147456        0
       S VFS Cache    104    1030     374        4135       0     126     146016        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
        malloc-256    256     340     170        5275       0      62     130560        0
             g_bio    408       4     296       39745       0      30     122400        0
          ksiginfo    112     208     836         460       0     126     116928        0
        pf anchors   1664       0      70           1       0      64     116480        0
           VMSPACE    584     166      30        3478       0      16     114464        0
        malloc-128    128     384     391        7851       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
          syncache    176       0     529          29       0     254      93104        0
       malloc-8192   8192       7       4         102       0       1      90112        0
       malloc-8192   8192       9       2          13       0       1      90112        0
          UMA Kegs    384     229       4         229       0      30      89472        0
        128 Bucket   1024      60      23         353       0      16      84992        0
    ertt_txseginfo     40       0    2121       19426       0     254      84840        0
         64 Bucket    512     100      60       10334       0      30      81920        0
        malloc-256    256     119     196        6777       0      62      80640        0
        malloc-256    256     115     200        6985       0      62      80640        0
        sctp_chunk    152       3     517          52       0     254      79040        0
       malloc-4096   4096      15       3          27       0       2      73728        0
         malloc-64     64     713     358        5317       0     254      68544        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       0       2          11       0       1      65536        0
      malloc-16384  16384       3       1           4       0       1      65536        0
       malloc-2048   2048      23       9          98       0       8      65536        0
       malloc-2048   2048      14      18         119       0       8      65536        0
         32 Bucket    256      92     163        1037       0      62      65280        0
         tcp_inpcb   1304      17      31         509       0       8      62592        0
sctp_stream_msg_out    112       0     540          11       0     254      60480        0
         malloc-64     64     546     273        1143       0     254      52416        0
        malloc-128    128      51     352        3368       0     126      51584        0
        malloc-128    128      62     341         318       0     126      51584        0
         TURNSTILE    136     305      73         305       0      62      51408        0
        malloc-256    256      43     152        2617       0      62      49920        0
        malloc-256    256      23     172        4467       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       1      47       28869       0      16      49152        0
       malloc-4096   4096      10       2          19       0       2      49152        0
       malloc-2048   2048      15       9          26       0       8      49152        0
       malloc-2048   2048       0      24         573       0       8      49152        0
       malloc-1024   1024       5      43        5862       0      16      49152        0
            da_ccb    544       1      83       10098       0      16      45696        0
        SLEEPQUEUE     88     305     207         305       0     126      45056        0
            pcpu-8      8    5363     269        5945       0     254      45056        0
               PWD     40     136     975        2382       0     254      44440        0
            vnpbuf   2624       0      16           1       0      16      41984        0
       malloc-8192   8192       3       2          24       0       1      40960        0
       malloc-4096   4096       7       3        1829       0       2      40960        0
       malloc-4096   4096       4       6         117       0       2      40960        0
              pipe    736      22      33         597       0      16      40480        0
        sctp_readq    152       0     260          10       0     254      39520        0
         udp_inpcb    408       6      84         459       0      30      36720        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64      66     501        1037       0     254      36288        0
         malloc-64     64      14     553       43673       0     254      36288        0
         malloc-64     64     256     311         324       0     254      36288        0
         malloc-64     64     224     343         398       0     254      36288        0
         16 Bucket    144      80     172         893       0      62      36288        0
       tcp_bbr_map    128       0     279          47       0     126      35712        0
      tcp_rack_map    128       0     279          67       0     126      35712        0
        malloc-128    128      51     228         826       0     126      35712        0
        malloc-128    128      37     242         102       0     126      35712        0
     routing nhops    256      41      94          56       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      52      38        1190       0      30      34560        0
        malloc-384    384      46      44         601       0      30      34560        0
        malloc-256    256      29     106         404       0      62      34560        0
        malloc-256    256      35     100        1138       0      62      34560        0
             ripcb    376       5      85         184       0      30      33840        0
      malloc-16384  16384       0       2         190       0       1      32768        0
      malloc-16384  16384       2       0           4       0       1      32768        0
       malloc-8192   8192       2       2          83       0       1      32768        0
       malloc-4096   4096       2       6         807       0       2      32768        0
       malloc-2048   2048       4      12         196       0       8      32768        0
       malloc-2048   2048       2      14           4       0       8      32768        0
       malloc-1024   1024       7      25          56       0      16      32768        0
       malloc-1024   1024      12      20          35       0      16      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
       malloc-1024   1024       3      29         171       0      16      32768        0
       malloc-1024   1024      13      19          24       0      16      32768        0
       malloc-1024   1024       7      25          83       0      16      32768        0
        malloc-512    512       2      62          92       0      30      32768        0
        malloc-512    512      14      50          27       0      30      32768        0
        malloc-512    512       0      64         444       0      30      32768        0
        malloc-512    512       2      62          49       0      30      32768        0
        malloc-512    512       6      58          49       0      30      32768        0
        malloc-512    512       0      64          32       0      30      32768        0
        malloc-512    512      10      54          11       0      30      32768        0
           pcpu-64     64     501      11         501       0     254      32768        0
               ipq     56       0     576           3       0     254      32256        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     242     158       14600       0     126      32000        0
   tcp_log_id_node    120       1     263           6       0     126      31680        0
              PGRP    120      33     231          72       0     126      31680        0
            clpbuf   2624       0      12          88       0       4      31488        0
       L VFS Cache    320       0      96          75       0      30      30720        0
        sctp_laddr     48       7     581          43       0     254      28224        0
          rl_entry     48      39     549          83       0     254      28224        0
         malloc-32     32     199     683       83821       0     254      28224        0
         malloc-32     32     474     408        6739       0     254      28224        0
          4 Bucket     48       7     581          14       0     254      28224        0
          2 Bucket     32      80     802        1100       0     254      28224        0
               AIO    208       3     130         161       0      62      27664        0
     udplite_inpcb    408       0      63          28       0      30      25704        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
 tcp_log_id_bucket    176       1     137           5       0      62      24288        0
           rtentry    168      44     100          56       0      62      24192        0
          8 Bucket     80      63     237         928       0     126      24000        0
            itimer    352       5      61          16       0      30      23232        0
            splice    184       1     125           9       0      62      23184        0
        malloc-384    384       1      59          68       0      30      23040        0
        malloc-384    384       0      60         343       0      30      23040        0
        malloc-384    384       1      59           9       0      30      23040        0
        malloc-384    384       7      53           7       0      30      23040        0
      tcp_rack_pcb   1088       0      21          25       0       8      22848        0
       Mountpoints   2816       2       6          24       0       4      22528        0
              ertt     72      16     264         509       0     126      20160        0
         malloc-32     32     355     275         596       0     254      20160        0
         malloc-32     32      17     613         162       0     254      20160        0
         malloc-32     32      65     565        1018       0     254      20160        0
         malloc-32     32      65     565         225       0     254      20160        0
         malloc-32     32      21     609          26       0     254      20160        0
             KNOTE    160       0     125         266       0      62      20000        0
           cryptop    280       0      70          14       0      30      19600        0
             AIOCB    552       0      35         136       0      16      19320        0
            AIOLIO    272       0      70          48       0      30      19040        0
              vmem   1856       2       7           2       0       8      16704        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
           pf tags    104       1     155           4       0     126      16224        0
       tcp_bbr_pcb    896       0      18          12       0      16      16128        0
   sctp_asconf_ack     48       0     336           1       0     254      16128        0
          tcpreass     48       0     336           3       0     254      16128        0
      vtnet_tx_hdr     24       0     668        8102       0     254      16032        0
         malloc-16     16     365     635        7374       0     254      16000        0
            mqueue    248       3      61           3       0      62      15872        0
        mqnotifier    216       0      72           1       0      62      15552        0
              kenv    258      17      43        1087       0      30      15480        0
            mqnode    416       6      30           6       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
          sackhole     32       0     378           2       0     254      12096        0
         malloc-16     16      31     719         753       0     254      12000        0
         malloc-16     16       8     742         363       0     254      12000        0
         malloc-16     16     106     644      155309       0     254      12000        0
         malloc-16     16      48     702         199       0     254      12000        0
         malloc-16     16     277     473       25078       0     254      12000        0
         malloc-16     16      11     739          15       0     254      12000        0
tfo_ccache_entries     80       2     126           2       0     126      10240        0
       malloc-8192   8192       1       0           1       0       1       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
               tfo      4       0     986           2       0     254       3944        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        KMAP ENTRY     96      15      24          17       0       0       3744        0
      md2147483519      4       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 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 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 mtags    184       0       0           0       0      62          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            mvdata     64       0       0           0       0     254          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
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    152       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl

Crashes (140):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/09 17:27 freebsd-src 0dc634d48fcc 7e2882b3 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/09 03:49 freebsd-src a7d9c69fa903 7e2882b3 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/08 23:09 freebsd-src 04d47c7cde54 7e2882b3 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/08 14:08 freebsd-src 04d47c7cde54 7e2882b3 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/07 16:12 freebsd-src a22f8bd45701 7e2882b3 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/06 21:21 freebsd-src a22f8bd45701 8ef35d49 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/06 21:20 freebsd-src a22f8bd45701 8ef35d49 console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/06 08:46 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/06 05:17 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/06 01:19 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 16:56 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 13:50 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 12:43 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 11:43 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 10:36 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 02:36 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/05 00:38 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/04 18:39 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/04 17:05 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/04 09:18 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/04 02:53 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/03 23:25 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/03 05:38 freebsd-src a22f8bd45701 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/02 15:23 freebsd-src 213170eb956f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/10/02 01:51 freebsd-src cf583997282f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/30 09:19 freebsd-src 4c8bbf5897b7 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/29 19:40 freebsd-src 3ca1e69028ac 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/29 05:59 freebsd-src ebc32e74b6f9 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/28 16:19 freebsd-src 70730cd21c9f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/28 12:34 freebsd-src 68691160f41b 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/28 02:44 freebsd-src 68691160f41b 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/27 12:57 freebsd-src ceb5792d1e2e 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/26 23:20 freebsd-src 5632b0d4628d 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/26 20:24 freebsd-src 84d688af4e62 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/26 09:39 freebsd-src 84d688af4e62 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/26 08:21 freebsd-src ace98a8fb8fe 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/26 02:40 freebsd-src ace98a8fb8fe 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/26 01:15 freebsd-src ace98a8fb8fe 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 23:39 freebsd-src ace98a8fb8fe 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 20:10 freebsd-src ace98a8fb8fe 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 17:46 freebsd-src 56e01d0d7e0f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 15:47 freebsd-src 56e01d0d7e0f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 12:47 freebsd-src 56e01d0d7e0f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 04:31 freebsd-src 57d5a8feda3f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 03:56 freebsd-src 57d5a8feda3f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/25 01:09 freebsd-src 57d5a8feda3f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/09/24 23:42 freebsd-src 57d5a8feda3f 770ff59f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
2025/08/23 10:47 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-i386 panic: /syzkaller/managers/i386/kernel/sys/kern/kern_timeout.c:LINE: callout_cc_add: Bad list head ADDR first->prev != h
* Struck through repros no longer work on HEAD.