syzbot


panic: sctp_timeout_handler of type 5: inp = ADDR, stcb->sctp_ep ADDR

Status: auto-closed as invalid on 2021/11/20 12:46
Reported-by: syzbot+044b085cd9cb6456b217@syzkaller.appspotmail.com
First crash: 1218d, last: 1187d

Sample crash report:
panic: sctp_timeout_handler of type 5: inp = 0xfffffe00a3ff08f0, stcb->sctp_ep 0xfffffe00a81c7000
cpuid = 1
time = 1626932857
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077ec410
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077ec570
vpanic() at vpanic+0x2c5/frame 0xfffffe00077ec650
panic() at panic+0xb5/frame 0xfffffe00077ec710
sctp_timeout_handler() at sctp_timeout_handler+0x1b0a/frame 0xfffffe00077ec850
softclock_call_cc() at softclock_call_cc+0x3d9/frame 0xfffffe00077eca00
softclock() at softclock+0x152/frame 0xfffffe00077eca50
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe00077ecbb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00077ecbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077ecbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100032 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28ee5fa(%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         0x96f1e2b8ddbd22bc
rdx                        0x1
rbx                          0
rsp         0xfffffe00077ec550
rbp         0xfffffe00077ec570
rsi                          0
rdi         0xffffffff817a7a99  vprintf+0x319
r8                         0x3
r9          0xfffffe00077ec0a8
r10                          0
r11         0xfffffe00a8142fd0
r12         0xfffffe0053df7020
r13         0xfffffe00077ec501
r14         0xffffffff82c57960  .str.18
r15         0xffffffff82c57960  .str.18
rip         0xffffffff8179b4bb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28ee5fa(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053de9a70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8402ae40
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8402ae40 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8402bdc0
   (map 0xffffffff8402bdc0)
   (map.pmap 0xffffffff8402be80)
   (pmap 0xffffffff8402bee0)
 threads: 23
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   L      *kernel  0xfffffe00a7a61840  [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   Run     CPU 1                       [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [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++]
100073                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 7059   789   789     0  S       (threaded)                  syz-executor.2
110163                   S       nanslp  0xffffffff84056981  syz-executor.2
110301                   S       accept  0xfffffe00a3fce158  syz-executor.2
110302                   S       connec  0xfffffe00a7acd840  syz-executor.2
110303                   S       uwait   0xfffffe00a3c3d780  syz-executor.2
 6801     1   786     0  S       uwait   0xfffffe00a8015f00  syz-executor.1
 6798     1   786     0  S       uwait   0xfffffe00a782b000  syz-executor.1
 6789     1   786     0  S       uwait   0xfffffe00a3c3de00  syz-executor.1
 6778     1   786     0  S       uwait   0xfffffe00a7d39480  syz-executor.1
 6776     1   786     0  S       uwait   0xfffffe00a7a60680  syz-executor.1
 6299     1   791     0  S       uwait   0xfffffe00a7a60780  syz-executor.3
 6294     1   791     0  S       uwait   0xfffffe00a7a60880  syz-executor.3
 6290     1   791     0  S       uwait   0xfffffe00a8015800  syz-executor.3
 6284     1   791     0  S       uwait   0xfffffe00a8012e00  syz-executor.3
 6281     1   791     0  S       uwait   0xfffffe00a7a60580  syz-executor.3
 5913     1   789     0  S       uwait   0xfffffe00a7a68d00  syz-executor.2
 5910     1   789     0  S       uwait   0xfffffe00a7a68c00  syz-executor.2
 5904     1   791     0  S       uwait   0xfffffe00a7d43600  syz-executor.3
 5902     1   791     0  S       uwait   0xfffffe00a6472600  syz-executor.3
 5901     1   786     0  S       uwait   0xfffffe00a3c38980  syz-executor.1
 5898     1   786     0  S       uwait   0xfffffe00a7a68f00  syz-executor.1
 5892     1   789     0  S       uwait   0xfffffe00a7427980  syz-executor.2
 5887     1   791     0  S       uwait   0xfffffe00a7d43400  syz-executor.3
 5883     1   786     0  S       uwait   0xfffffe00a7d43200  syz-executor.1
 5880     1   786     0  S       uwait   0xfffffe00a782b200  syz-executor.1
 5511     1   785     0  S       uwait   0xfffffe00a6472800  syz-executor.0
 5372     1   785     0  S       uwait   0xfffffe00a3c3d680  syz-executor.0
 5367     1   785     0  S       uwait   0xfffffe00a7d0e380  syz-executor.0
 5364     1   785     0  S       uwait   0xfffffe009e3d3980  syz-executor.0
 5355     1   785     0  S       uwait   0xfffffe00a7427380  syz-executor.0
 5354     1   785     0  S       uwait   0xfffffe00a7a60480  syz-executor.0
 5353     0     0     0  DL      aiordy  0xfffffe00a7d18000  [aiod4]
 5352     0     0     0  DL      aiordy  0xfffffe00a7dc9538  [aiod3]
 5351     0     0     0  DL      aiordy  0xfffffe00a7dfba70  [aiod2]
 5350     0     0     0  DL      aiordy  0xfffffe00a7dfb538  [aiod1]
 5152     1   791     0  S       uwait   0xfffffe00a7a60e80  syz-executor.3
 5150     1   789     0  S       uwait   0xfffffe00a7a60980  syz-executor.2
 5148     1   789     0  S       uwait   0xfffffe00a7427a80  syz-executor.2
 5142     1   789     0  S       uwait   0xfffffe00a7427580  syz-executor.2
 5137     1   791     0  S       uwait   0xfffffe00a782bb00  syz-executor.3
 5132     1   791     0  S       uwait   0xfffffe00a782b700  syz-executor.3
 5128     1   789     0  S       uwait   0xfffffe009e3d3700  syz-executor.2
 5127     1   789     0  S       uwait   0xfffffe00a782b100  syz-executor.2
 4639     0     0     0  DL      mdwait  0xfffffe0056b7c000  [md4]
 4633     0     0     0  DL      mdwait  0xfffffe00a7d37000  [md3]
 4626     0     0     0  DL      mdwait  0xfffffe00a7d28000  [md2]
 4618     0     0     0  DL      mdwait  0xfffffe00a7d17000  [md1]
 4615     0     0     0  DL      mdwait  0xfffffe0058492000  [md0]
 4497     1   785     0  S       uwait   0xfffffe00587f3500  syz-executor.0
 4493     1   785     0  S       uwait   0xfffffe00a7a60280  syz-executor.0
 4489     1   785     0  S       uwait   0xfffffe005886ee00  syz-executor.0
 4484     1   786     0  S       uwait   0xfffffe00a7a60080  syz-executor.1
 4479     1   786     0  S       uwait   0xfffffe00a3c3dc80  syz-executor.1
 4474     1   786     0  S       uwait   0xfffffe00a3cd2c00  syz-executor.1
 4470     1   786     0  S       uwait   0xfffffe00a3cd2b00  syz-executor.1
 4466     1   786     0  S       uwait   0xfffffe00a3cd2180  syz-executor.1
 3870     1   789     0  S       uwait   0xfffffe00a7427f00  syz-executor.2
 3864     1   789     0  S       uwait   0xfffffe00a7427480  syz-executor.2
 3859     1   791     0  S       uwait   0xfffffe009e510880  syz-executor.3
 3854     1   785     0  S       uwait   0xfffffe00a6472900  syz-executor.0
 3853     1   789     0  S       uwait   0xfffffe00a6472d00  syz-executor.2
 3850     1   791     0  S       uwait   0xfffffe00587f3600  syz-executor.3
 3845     1   785     0  S       uwait   0xfffffe00a3c3dd00  syz-executor.0
 3844     1   791     0  S       uwait   0xfffffe009e510a00  syz-executor.3
 3843     1   789     0  S       uwait   0xfffffe00a3cd2e00  syz-executor.2
 3842     1   786     0  S       uwait   0xfffffe00a3cd2500  syz-executor.1
 3837     1   785     0  S       uwait   0xfffffe00a6472b00  syz-executor.0
 3836     1   786     0  S       uwait   0xfffffe00a3cd2a00  syz-executor.1
 3835     1   789     0  S       uwait   0xfffffe00a3cd2080  syz-executor.2
 3831     1   786     0  S       uwait   0xfffffe00589dfe00  syz-executor.1
 3828     1   789     0  S       uwait   0xfffffe00a7427780  syz-executor.2
 3824     1   789     0  S       uwait   0xfffffe00a3cd2400  syz-executor.2
 3823     1   789     0  S       uwait   0xfffffe00a3c38880  syz-executor.2
 3330     1   786     0  S       uwait   0xfffffe00a3c3d380  syz-executor.1
 3320     1   786     0  S       uwait   0xfffffe00a3c3db80  syz-executor.1
 3314     1   791     0  S       uwait   0xfffffe00a7427c80  syz-executor.3
 3306     1   786     0  S       uwait   0xfffffe00587ffd80  syz-executor.1
 3305     1   791     0  S       uwait   0xfffffe00a3cd2700  syz-executor.3
 3296     1   791     0  S       uwait   0xfffffe00a3c3da80  syz-executor.3
 3290     1   791     0  S       uwait   0xfffffe00a3c3d880  syz-executor.3
 3287     1   791     0  S       uwait   0xfffffe009e3d3600  syz-executor.3
 2732     1   785     0  S       uwait   0xfffffe00587f3800  syz-executor.0
 2727     1   786     0  S       uwait   0xfffffe00a3c38080  syz-executor.1
 2725     1   791     0  S       uwait   0xfffffe005886e000  syz-executor.3
 2721     1   785     0  S       uwait   0xfffffe00a3cd2800  syz-executor.0
 2720     1   786     0  S       uwait   0xfffffe009e2d8380  syz-executor.1
 2719     1   791     0  S       uwait   0xfffffe009e3d3900  syz-executor.3
 2715     1   786     0  S       uwait   0xfffffe00a7427880  syz-executor.1
 2714     1   791     0  S       uwait   0xfffffe00a3cd2d00  syz-executor.3
 2708     1   789     0  S       uwait   0xfffffe00a6472e00  syz-executor.2
 2707     1   786     0  S       uwait   0xfffffe00a6472a00  syz-executor.1
 2704     1   785     0  S       uwait   0xfffffe00a3c38380  syz-executor.0
 2702     1   786     0  S       uwait   0xfffffe00a3c38180  syz-executor.1
 2700     1   789     0  S       uwait   0xfffffe005883f980  syz-executor.2
 2697     1   786     0  S       uwait   0xfffffe00a3c38580  syz-executor.1
 2696     1   789     0  S       uwait   0xfffffe009e2d8580  syz-executor.2
 2688     1   791     0  S       uwait   0xfffffe00a3cd2900  syz-executor.3
 2684     1   791     0  S       uwait   0xfffffe00a3c3d480  syz-executor.3
 2679     1   791     0  S       uwait   0xfffffe009e510f00  syz-executor.3
 2677     1   791     0  S       uwait   0xfffffe00a3c3d980  syz-executor.3
 2676     1   791     0  S       uwait   0xfffffe00a3cd2600  syz-executor.3
 1940     1  1940    65  Ss      select  0xfffffe00a1dcb3c0  dhclient
 1747     1  1747     0  Ss      select  0xfffffe0056b763c0  dhclient
 1744     1  1744     0  Ss      select  0xfffffe00573efec0  dhclient
 1725     1  1725    65  Ss      select  0xfffffe0056b74bc0  dhclient
 1442     1  1442     0  Ss      select  0xfffffe0056b747c0  dhclient
 1439     1  1439     0  Ss      select  0xfffffe00a1dcbd40  dhclient
 1425     1  1425    65  Ss      select  0xfffffe00a1dcbf40  dhclient
 1297     1  1297     0  Ss      select  0xfffffe00a1dcbdc0  dhclient
 1294     1  1294     0  Ss      select  0xfffffe00a1dcbbc0  dhclient
 1261     1  1261    65  Ss      select  0xfffffe0056b76140  dhclient
 1031     1  1031     0  Ss      select  0xfffffe00573efac0  dhclient
 1028     1  1028     0  Ss      select  0xfffffe00573efa40  dhclient
  791   782   791     0  Ls     *kernel  0xfffffe00a7a61840  syz-executor.3
  789   782   789     0  Ss      nanslp  0xffffffff84056981  syz-executor.2
  786   782   786     0  Ls     *kernel  0xfffffe00a7a61840  syz-executor.1
  785   782   785     0  Ls     *kernel  0xfffffe00a7a61840  syz-executor.0
  782   780   780     0  S       (threaded)                  syz-fuzzer
100091                   S       uwait   0xfffffe0058388600  syz-fuzzer
100120                   S       uwait   0xfffffe009e3d3080  syz-fuzzer
100121                   S       uwait   0xfffffe009e3d3180  syz-fuzzer
100122                   S       uwait   0xfffffe009e3d3280  syz-fuzzer
100123                   S       uwait   0xfffffe009e3d3380  syz-fuzzer
100124                   S       uwait   0xfffffe009e3d3480  syz-fuzzer
100125                   S       kqread  0xfffffe0057524e00  syz-fuzzer
100126                   S       uwait   0xfffffe009e510b00  syz-fuzzer
100127                   S       uwait   0xfffffe009e510c00  syz-fuzzer
100129                   S       uwait   0xfffffe009e510d00  syz-fuzzer
  780   778   780     0  Ss      pause   0xfffffe00589160b0  csh
  778   694   778     0  Ss      select  0xfffffe0056b74740  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fdecb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ed0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ed4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ed8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583edcb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583940b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583944b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583948b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058394cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84056980  cron
  694     1   694     0  Ss      select  0xfffffe0056b74f40  sshd
  507     1   507     0  Ss      select  0xfffffe0056b74e40  syslogd
  436     1   436     0  Ss      select  0xfffffe0056b74ec0  devd
  435     1   435    65  Ss      select  0xfffffe0056b73040  dhclient
  350     1   350     0  Ss      select  0xfffffe0056b74dc0  dhclient
  347     1   347     0  Ss      select  0xfffffe00573efe40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417cac0  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe005850d538  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff8417a9c0  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100099                   D       sdflush 0xfffffe00575234e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b2d80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a68b8  [dom0]
100087                   D       launds  0xffffffff841a68c4  [laundry: dom0]
100088                   D       umarcl  0xffffffff81e91b50  [uma]
   18     0     0     0  DL      -       0xffffffff83e0dae0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84a5d460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84d70e20  [pf purge]
   15     0     0     0  DL      -       0xffffffff84175e40  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84175e40  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84175e40  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84175e40  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c93240  [doneq0]
100047                   D       -       0xffffffff83c931c0  [async]
100080                   D       -       0xffffffff83c93040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0007919888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe0053e0fc80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe0053e0fc30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841a0960  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff84029f40  [g_event]
100038                   D       -       0xffffffff84029f80  [g_up]
100039                   D       -       0xffffffff84029fc0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e0fe00  [thr_0]
100029                   D       -       0xfffffe0053e0fe80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   L      *kernel  0xfffffe00a7a61840  [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   Run     CPU 1                       [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [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++]
100073                   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    0xfffffe0053d4b538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a1900  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402ae40  [swapper]
100005                   D       -       0xfffffe000791c500  [softirq_0]
100006                   D       -       0xfffffe000791c400  [softirq_1]
100007                   D       -       0xfffffe000791c300  [if_io_tqg_0]
100008                   D       -       0xfffffe000791c200  [if_io_tqg_1]
100009                   D       -       0xfffffe000791c100  [if_config_tqg_0]
100012                   Run     CPU 0                       [thread taskq]
100013                   D       -       0xfffffe0053dde000  [inm_free taskq]
100015                   D       -       0xfffffe0053df1c00  [kqueue_ctx taskq]
100016                   D       -       0xfffffe0053df1b00  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0053df1a00  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df1900  [in6m_free taskq]
100019                   D       -       0xfffffe0053df1800  [pci_hp taskq]
100020                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0054140d00  [firmware taskq]
100040                   D       -       0xfffffe0054140c00  [crypto_0]
100041                   D       -       0xfffffe0054140c00  [crypto_1]
100057                   D       -       0xfffffe0054140600  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0054140500  [vtnet0 txq 0]
100059                   D       -       0xfffffe0054140400  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0054140300  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056b73100  [virtio_balloon]
100066                   D       -       0xfffffe0056fb3b00  [mca taskq]
100071                   D       -       0xffffffff82c5e8e0  [deadlkres]
100075                   D       -       0xfffffe005834bd00  [acpi_task_0]
100076                   D       -       0xfffffe005834bd00  [acpi_task_1]
100077                   D       -       0xfffffe005834bd00  [acpi_task_2]
100079                   D       -       0xfffffe0054140b00  [CAM taskq]
db> show all locks
Process 791 (syz-executor.3) thread 0xfffffe009e3ce560 (100110)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007a421f8) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3928
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe00a802b070) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:3009
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009e9e5770) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4487
Process 786 (syz-executor.1) thread 0xfffffe00587fc3a0 (100090)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007a3e8e0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3928
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe00a7829cb0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:3009
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009e9df3f0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4487
Process 785 (syz-executor.0) thread 0xfffffe00587fbc80 (100119)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe00079dafb0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3928
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe00a3d64070) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:3009
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009e551230) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4487
Process 12 (intr) thread 0xfffffe0053df3000 (100030)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a3ff11a0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2627
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a81c7468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2626
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe00a81d6968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2625
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00a81d6988) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_input.c:4922
Process 0 (kernel) thread 0xfffffe0053dee1e0 (100012)
exclusive sleep mutex kernel arena domain (kernel arena domain) r = 0 (0xfffff80007001000) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4249
          tcp_hpts            6         3201K            6
         sysctloid        34890         2061K        34957
             vtbuf           24         1968K           46
          filedesc          182         1451K        11947
              kobj          326         1304K          530
            newblk          257         1088K        19374
               pcb          485         1050K        15600
          vfscache            3         1025K            3
           subproc          327          685K         7236
          inodedep          140          565K         6936
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            3          274K            5
            acpica         1674          184K        54712
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          356          140K          396
           pagedep           13          131K         6063
        tfo_ccache            1          128K            1
         sctp_atcl          310          117K        10375
            DEVFS1          112          112K          129
               sem            4          106K            4
               BPF           46           88K           61
               bus          984           80K         3475
         sctp_stro           77           77K         2915
           kdtrace          406           73K        17364
          mtx_pool            2           72K            2
              umtx          550           69K          550
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              temp           36           35K         3376
          freework          139           35K        10726
            DEVFS3          131           33K          141
         hostcache            1           32K            1
               shm            1           32K           12
               msg            4           30K            4
            dirrem          118           30K         6424
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
           md_disk           10           21K           10
        md_sectors            5           20K            5
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
          routetbl          134           19K          953
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
          freefile          127           16K         6333
           ithread           99           16K           99
           lltable           48           15K          276
         sctp_atky          387           15K        14020
              GEOM           95           15K          719
            bus-sc           33           14K         1692
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          172
            kqueue          158           12K         7128
              ksem           31           12K          155
              kenv           95           12K           95
      eventhandler          133           12K          133
            DEVFSP          163           11K         1034
         CAM queue            5           11K         1528
              rman           84           10K          425
           pwddesc          154           10K         7052
         in6_multi           65            9K           65
         bmsafemap            2            9K         6847
              UART           12            9K           12
           devstat            4            9K            4
         sctp_timw           32            8K           32
               rpc            2            8K            2
             shmfd            1            8K           58
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
              cred           27            7K          371
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          649
             lockf           53            6K          422
             xform           85            6K         1592
          pf_ifnet           14            6K          208
         sctp_athm          310            5K        10770
          freeblks           19            5K         6473
       ufs_dirhash           24            5K           24
               UMA          275            5K          275
           session           35            5K           73
                vt           11            5K           11
          pf_table            2            4K          139
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
             selfd           55            4K        92190
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
         proc-args           52            3K          760
          terminal           11            3K           11
          indirdep           10            3K         4631
          sctp_map          154            3K         5810
            select           19            3K          321
           uidinfo            4            3K           42
       inpcbpolicy           66            3K         4714
         sctp_stri            4            2K          824
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
             mount           31            2K          259
          sctp_ifa           13            2K           14
            Unitno           27            2K           47
           CAM XPT           22            2K          543
          in_multi            6            2K           10
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               osd           58            2K         2021
               msi            9            2K            9
             clone            9            2K            9
filedesc_to_leader           18            2K           38
               tun            7            2K            7
           softdep            1            1K            1
         newdirblk            8            1K         5916
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          486
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           14
             ipsec            3            1K            3
             mkdir            6            1K        11832
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
          pci_link           10            1K           10
           pf_osfp            6            1K            6
            crypto            4            1K          431
 encap_export_host           12            1K           12
          procdesc            5            1K           18
              pfil            4            1K            4
              cdev            2            1K            2
            diradd            3            1K         6465
    chacha20random            1            1K            1
         sctp_aadr            4            1K           98
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K           35
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
           pf_rule            1            1K          194
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K        11976
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            5            1K          124
          sctp_vrf            1            1K            1
        ip_msource            1            1K           48
              vnet            1            1K            1
           entropy            2            1K           49
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
         htcp data            0            0K            5
        dctcp data            0            0K           12
          cdg data            0            0K            9
           pf_altq            0            0K            0
           pf_temp            0            0K            0
          chd data            0            0K           13
        cubic data            0            0K            8
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         4830
         sctp_iter            0            0K           12
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            6
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           11
        vegas data            0            0K            0
            mqdata            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K          523
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            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
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            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
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
     vm_fictitious            0            0K            0
            vtfont            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
               amr            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
           UMAHash            0            0K            0
            ata_da            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K         6303
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K          243
           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          285
        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
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
          ktls_ocf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            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
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            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          135
       ip6_msource            0            0K            0
      ip6_moptions            0            0K           16
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
               LRO            0            0K            0
      newreno data            0            0K            0
       ip_moptions            0            0K           48
        in_mfilter            0            0K          123
              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            0
           fadvise            0            0K            0
           VN POLL            0            0K            5
            twsbuf            0            0K            0
            statfs            0            0K         6164
     namei_tracker            0            0K           15
       export_host            0            0K            0
        cl_savebuf            0            0K          183
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K          371
      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
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K        29663
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
            biobuf            0            0K            0
              aios            0            0K           21
               lio            0            0K            6
               acl            0            0K            0
    osti_cacheable            0            0K            0
          mbuf_tag            0            0K          188
          tempbuff            0            0K            0
          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            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
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        21418
          ioctlops            0            0K         1005
           eventfd            0            0K            8
           Witness            0            0K            0
             stack            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
              sbuf            0            0K          348
          firmware            0            0K            0
        compressor            0            0K            0
              SWAP            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K         1094
            sysctl            0            0K            3
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            0
              rctl            0            0K            0
          ix_sriov            0            0K            0
        aacraidcam            0            0K            0
       aacraid_buf            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
             cache            0            0K            0
            iirbuf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
               pwd            0            0K            0
       tty console            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
        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          102
     geom_flashmap            0            0K            0
         tmpfs dir            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            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
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1169      349186       0     254   38866944        0
           tcp_log    416       0   15183      548481       0     254    6316128        0
              mbuf    256   11379     486     1953233       0     254    3037440        0
              pbuf   2624       0     957           0       0       2    2511168        0
        RADIX NODE    144   11134    1741      221959       0      62    1854000        0
          BUF TRIE    144     360   11400       19734       0      62    1693440        0
        malloc-128    128   12589      90       19213       0     126    1622912        0
        malloc-384    384    4159      31        4455       0      30    1608960        0
      malloc-16384  16384      90       7        5971       0       1    1589248        0
       malloc-4096   4096     326       3         530       0       2    1347584        0
      mbuf_cluster   2048     645       1         645       0     254    1323008        0
       UMA Slabs 0    112   11208      21       11208       0     126    1257648        0
         vmem btag     56   20221      58       20221       0     254    1135624        0
       tcp_bbr_map    128     507    5662      356536       0     126     789632        0
         FFS inode   1160     605      32        6986       0       8     738920        0
    ertt_txseginfo     40    8447    9531      900943       0     254     719120        0
       malloc-4096   4096     155       7        7090       0       2     663552        0
         VM OBJECT    264    2404     101      105524       0      30     661320        0
         MAP ENTRY     96    6185     409      417327       0     126     633024        0
        256 Bucket   2048     247      57       20551       0       8     622592        0
       malloc-2048   2048     236      46       37435       0       8     577536        0
            THREAD   1808     249      26       10303       0       8     497200        0
      malloc-65536  65536       4       2         496       0       1     393216        0
           sctp_ep   1280     229      77        7013       0     254     391680        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
            socket    944     245     131       13231       0     254     354944        0
         sctp_asoc   2288      77      78        2905       0     254     354640        0
           VMSPACE   2544     124      11        7029       0       4     343440        0
             VNODE    448     644      85        7027       0      30     326592        0
      malloc-65536  65536       2       2          10       0       1     262144        0
         malloc-64     64    4001      31        4158       0     254     258048        0
        malloc-384    384     622      28       17561       0      30     249600        0
         malloc-16     16   14391     109       20133       0     254     232000        0
      malloc-32768  32768       1       6          73       0       1     229376        0
      malloc-32768  32768       0       7        4083       0       1     229376        0
              PROC   1336     155      16        7059       0       8     228456        0
            DEVCTL   1024       0     220         163       0       0     225280        0
        sctp_chunk    152    1274      26        3835       0     254     197600        0
      malloc-65536  65536       3       0           3       0       1     196608        0
        malloc-256    256     621     129       18133       0      62     192000        0
         UMA Zones    768     247       2         247       0      16     191232        0
        malloc-128    128    1297     191       38333       0     126     190464        0
         malloc-32     32    5710     212       11870       0     254     189504        0
         filedesc0   1072     154      21        7052       0       8     187600        0
        malloc-256    256     312     393       21263       0      62     180480        0
       mbuf_packet    256     119     526       30721       0     254     165120        0
       FFS2 dinode    256     605      25        6986       0      62     161280        0
        sctp_raddr    736      92     117        3409       0     254     153824        0
        128 Bucket   1024     109      34        3997       0      16     146432        0
       S VFS Cache    104    1028     376        7754       0     126     146016        0
      malloc-65536  65536       0       2          61       0       1     131072        0
      malloc-65536  65536       0       2          23       0       1     131072        0
      malloc-65536  65536       0       2         136       0       1     131072        0
       malloc-1024   1024     124       4         310       0      16     131072        0
            clpbuf   2624       0      48        2131       0      16     125952        0
          ksiginfo    112     156     888        1219       0     126     116928        0
        malloc-256    256     438      12       30692       0      62     115200        0
             tcpcb   1080      54      51        2010       0     254     113400        0
       malloc-1024   1024      80      28        3025       0      16     110592        0
       malloc-8192   8192      12       1          14       0       1     106496        0
       malloc-2048   2048      17      35         809       0       8     106496        0
      malloc-32768  32768       1       2         131       0       1      98304        0
      malloc-16384  16384       6       0          21       0       1      98304        0
        malloc-128    128     560     184       11661       0     126      95232        0
       malloc-4096   4096      22       1          28       0       2      94208        0
             Files     80     624     526       30759       0     126      92000        0
       malloc-8192   8192       2       9         112       0       1      90112        0
          UMA Kegs    384     232       1         232       0      30      89472        0
         malloc-64     64    1040     346      100908       0     254      88704        0
         64 Bucket    512     113      55       10280       0      30      86016        0
             g_bio    408       0     210      101056       0      30      85680        0
       malloc-4096   4096      20       0          34       0       2      81920        0
        malloc-256    256       1     269       13165       0      62      69120        0
         malloc-64     64     994      77       18095       0     254      68544        0
      malloc-32768  32768       0       2           8       0       1      65536        0
      malloc-16384  16384       0       4           8       0       1      65536        0
      malloc-16384  16384       2       2         162       0       1      65536        0
         tcp_inpcb    496      54      74        2010       0     254      63488        0
              pipe    744      60      25         843       0      16      63240        0
       malloc-8192   8192       5       2         106       0       1      57344        0
         32 Bucket    256      68     142       13971       0      62      53760        0
       malloc-4096   4096      11       1         546       0       2      49152        0
        malloc-256    256      87      93        2260       0      62      46080        0
            pcpu-8      8    4807     825       10162       0     254      45056        0
       malloc-8192   8192       3       2          11       0       1      40960        0
       malloc-2048   2048       3      17         203       0       8      40960        0
       malloc-1024   1024       3      37         511       0      16      40960        0
         TURNSTILE    136     276      18         276       0      62      39984        0
     udplite_inpcb    496       1      79        1987       0     254      39680        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       44151       0      16      36864        0
       malloc-4096   4096       7       2         334       0       2      36864        0
        malloc-128    128      20     259         277       0     126      35712        0
        malloc-384    384      47      43         325       0      30      34560        0
               md4    512      64       0          64       0      30      32768        0
               md3    512      64       0          64       0      30      32768        0
               md2    512      64       0          64       0      30      32768        0
               md1    512      64       0          64       0      30      32768        0
               md0    512      64       0          64       0      30      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
         16 Bucket    144      69     155        1016       0      62      32256        0
        malloc-256    256      89      31         714       0      62      30720        0
       tcp_bbr_pcb    832       4      32         874       0      16      29952        0
               PWD     32      97     785        6000       0     254      28224        0
         malloc-64     64       0     441         589       0     254      28224        0
        SLEEPQUEUE     88     276      44         276       0     126      28160        0
             KNOTE    160      28     147       73489       0      62      28000        0
          8 Bucket     80      53     297        3568       0     126      28000        0
        malloc-128    128     128      89        6376       0     126      27776        0
       malloc-1024   1024      13      11        1500       0      16      24576        0
       malloc-1024   1024      16       8          70       0      16      24576        0
        malloc-512    512       5      43         992       0      30      24576        0
        malloc-512    512       6      42          29       0      30      24576        0
         malloc-64     64     186     192       21796       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
             ripcb    496       5      43         268       0     254      23808        0
        malloc-128    128     100      86        1449       0     126      23808        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
      tcp_rack_pcb    832       0      27         523       0      16      22464        0
         malloc-32     32     325     305       10639       0     254      20160        0
         malloc-32     32      57     573         496       0     254      20160        0
          2 Bucket     32      72     558        1975       0     254      20160        0
      vtnet_tx_hdr     24       0     835      555586       0     254      20040        0
       Mountpoints   2752       2       5           7       0       4      19264        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       7       1           7       0       8      16384        0
        malloc-512    512      10      22         494       0      30      16384        0
         malloc-32     32     260     244        6640       0     254      16128        0
         udp_inpcb    496       6      26         449       0     254      15872        0
             unpcb    256      20      40        1420       0     254      15360        0
        malloc-384    384      31       9          31       0      30      15360        0
        malloc-256    256      27      33         364       0      62      15360        0
       malloc-2048   2048       1       5         137       0       8      12288        0
        malloc-512    512      10      14          26       0      30      12288        0
sctp_stream_msg_out    112      37      71         833       0     254      12096        0
      tcp_rack_map    112       0     108        1215       0     126      12096        0
              ertt     72      54     114        2010       0     126      12096        0
         malloc-64     64     123      66        1089       0     254      12096        0
         malloc-32     32     146     232        4904       0     254      12096        0
         malloc-16     16     341     409       16338       0     254      12000        0
         malloc-16     16     526     224        6403       0     254      12000        0
        sctp_readq    152       0      78         475       0     254      11856        0
              kenv    258      15      30        1042       0      30      11610        0
     routing nhops    256      27      18          34       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2        6172       0       2       8192        0
       malloc-4096   4096       2       0           3       0       2       8192        0
       malloc-2048   2048       0       4          21       0       8       8192        0
       malloc-1024   1024       8       0           8       0      16       8192        0
       malloc-1024   1024       4       4          61       0      16       8192        0
        malloc-512    512       0      16          26       0      30       8192        0
        malloc-512    512       3      13          67       0      30       8192        0
           pf tags    104       0      78          20       0     126       8112        0
           rtentry    176      30      16          34       0      62       8096        0
             tcptw     88       0      92           9       0     254       8096        0
              PGRP     88      35      57          73       0     126       8096        0
          rl_entry     40     159      43         159       0     254       8080        0
   sctp_asconf_ack     48       0     168          57       0     254       8064        0
        sctp_laddr     48      43     125        1610       0     254       8064        0
             udpcb     32       7     245        2436       0     254       8064        0
              AIOP     32       4     248           4       0     254       8064        0
         malloc-64     64       4     122           8       0     254       8064        0
         malloc-64     64       9     117          86       0     254       8064        0
         malloc-32     32      43     209        2915       0     254       8064        0
         malloc-32     32      23     229          84       0     254       8064        0
          4 Bucket     48       6     162         184       0     254       8064        0
         malloc-16     16      17     483         215       0     254       8000        0
         malloc-16     16      83     417       26988       0     254       8000        0
         malloc-16     16      21     479          32       0     254       8000        0
         malloc-16     16      11     489          14       0     254       8000        0
        malloc-128    128      21      41         273       0     126       7936        0
           cryptop    280       0      28         106       0      30       7840        0
            itimer    352       0      22          14       0      30       7744        0
             AIOCB    552       0      14          20       0      16       7728        0
        malloc-384    384       1      19         402       0      30       7680        0
        malloc-256    256      14      16         269       0      62       7680        0
            AIOLIO    272       0      28           6       0      30       7616        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-1024   1024       4       0           4       0      16       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
          tcpreass     48       0      84           1       0     254       4032        0
          sackhole     32       0     126           1       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
         malloc-32     32       0     126           2       0     254       4032        0
         malloc-16     16       4     246           5       0     254       4000        0
        malloc-128    128       1      30         249       0     126       3968        0
               AIO    208       0      19          13       0      62       3952        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        malloc-384    384       2       8           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
       sctp_asconf     40       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    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
               ipq     56       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    224       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          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
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          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    144       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-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-8192   8192       0       0           0       0       1          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    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
2021/07/22 05:46 freebsd-src 5ab82b00cca7 29c3f20f console log report ci-freebsd-main panic: sctp_timeout_handler of type 5: inp = ADDR, stcb->sctp_ep ADDR
2021/08/22 12:46 freebsd-src efa485d5c390 b599f2fc console log report ci-freebsd-main panic: sctp_timeout_handler of type NUM: inp = ADDR, stcb->sctp_ep ADDR
* Struck through repros no longer work on HEAD.