syzbot


panic: ASan: Invalid access, 2-byte read in sctp_ss_fcfs_select

Status: auto-closed as invalid on 2021/11/22 09:48
Reported-by: syzbot+aeffcf3383a31862fcf1@syzkaller.appspotmail.com
First crash: 1213d, last: 1185d

Sample crash report:
panic: ASan: Invalid access, 2-byte read at 0xfffffe00a74d7c9e, UMAUseAfterFree(fd)
cpuid = 1
time = 520
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b64b10
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b64c70
vpanic() at vpanic+0x2c5/frame 0xfffffe0053b64d50
panic() at panic+0xb5/frame 0xfffffe0053b64e10
__asan_load2_noabort() at __asan_load2_noabort+0x16e/frame 0xfffffe0053b64ed0
sctp_ss_fcfs_select() at sctp_ss_fcfs_select+0x8a/frame 0xfffffe0053b64f10
sctp_med_chunk_output() at sctp_med_chunk_output+0xb12/frame 0xfffffe0053b65ac0
sctp_chunk_output() at sctp_chunk_output+0x2b25/frame 0xfffffe0053b66710
sctp_timeout_handler() at sctp_timeout_handler+0x17e5/frame 0xfffffe0053b66850
softclock_call_cc() at softclock_call_cc+0x3d9/frame 0xfffffe0053b66a00
softclock() at softclock+0x152/frame 0xfffffe0053b66a50
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe0053b66bb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0053b66bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053b66bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100033 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28ed9da(%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         0xfd08eccb6a6d2d04
rdx                        0x1
rbx                          0
rsp         0xfffffe0053b64c50
rbp         0xfffffe0053b64c70
rsi                          0
rdi         0xffffffff817a8739  vprintf+0x319
r8                         0x3
r9          0xfffffe0053b64788
r10                          0
r11                          0
r12         0xfffffe0053df6900
r13         0xfffffe0053b64c01
r14         0xffffffff82c58fc0  .str.18
r15         0xffffffff82c58fc0  .str.18
rip         0xffffffff8179c15b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28ed9da(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053de9a70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8402aec0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8402aec0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8402be40
   (map 0xffffffff8402be40)
   (map.pmap 0xffffffff8402bf00)
   (pmap 0xffffffff8402bf60)
 threads: 23
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100031                   RunQ                                [swi1: netisr 0]
100032                   I                                   [swi3: vm]
100033                   Run     CPU 1                       [swi4: clock (0)]
100034                   I                                   [swi4: clock (1)]
100035                   I                                   [swi1: hpts]
100036                   I                                   [swi1: hpts]
100049                   I                                   [irq24: virtio_pci0]
100050                   I                                   [irq25: virtio_pci0]
100051                   I                                   [irq26: virtio_pci0]
100052                   I                                   [irq27: virtio_pci0]
100053                   I                                   [irq28: virtio_pci1]
100054                   I                                   [irq29: virtio_pci1]
100055                   I                                   [irq30: virtio_pci1]
100056                   I                                   [irq31: virtio_pci1]
100057                   I                                   [irq32: virtio_pci1]
100062                   I                                   [irq10: virtio_pci2]
100064                   I                                   [irq1: atkbd0]
100065                   I                                   [irq12: psm0]
100066                   I                                   [swi0: uart uart++]
100074                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 7930   799   799     0  T       (threaded)                  syz-executor.3
111534                   s                                   syz-executor.3
112326                   RunQ                                syz-executor.3
112334                   RunQ                                syz-executor.3
112335                   RunQ                                syz-executor.3
112341                   RunQ                                syz-executor.3
112342                   RunQ                                syz-executor.3
 7929   789   789     0  T       (threaded)                  syz-executor.0
111478                   s                                   syz-executor.0
112330                   RunQ                                syz-executor.0
112336                   RunQ                                syz-executor.0
 7928   790   790     0  T       (threaded)                  syz-executor.1
111959                   s                                   syz-executor.1
112324                   RunQ                                syz-executor.1
 7596     1   791     0  S       uwait   0xfffffe00a6739380  syz-executor.2
 7595     1   791     0  S       uwait   0xfffffe00a7496d80  syz-executor.2
 7483     1   789     0  S       uwait   0xfffffe00a66ee400  syz-executor.0
 7471     1   789     0  S       uwait   0xfffffe00a7593680  syz-executor.0
 7467     1   789     0  S       uwait   0xfffffe00a7f91380  syz-executor.0
 7453     1   789     0  S       uwait   0xfffffe00a6611100  syz-executor.0
 7284     1   791     0  S       uwait   0xfffffe00a784a900  syz-executor.2
 7283     1   791     0  S       uwait   0xfffffe00a7f91a80  syz-executor.2
 6928     1   790     0  S       uwait   0xfffffe00a6739a00  syz-executor.1
 6924     1   790     0  S       uwait   0xfffffe00a7593b00  syz-executor.1
 6914     1   790     0  S       uwait   0xfffffe00a7589300  syz-executor.1
 6904     1   790     0  S       uwait   0xfffffe00a7496700  syz-executor.1
 6900     1   790     0  S       uwait   0xfffffe00a784ab80  syz-executor.1
 6613     1   799     0  SV      uwait   0xfffffe00a6739600  syz-executor.3
 6604     1   799     0  SV      uwait   0xfffffe009e3d5480  syz-executor.3
 6590     1   799     0  SV      uwait   0xfffffe00a7589100  syz-executor.3
 6582     1   799     0  SV      uwait   0xfffffe00a784a180  syz-executor.3
 6581     1   799     0  SV      uwait   0xfffffe00a7593900  syz-executor.3
 6439     1   789     0  SV      uwait   0xfffffe00a784a080  syz-executor.0
 6437     1   789     0  SV      uwait   0xfffffe00a7f91d00  syz-executor.0
 5932     1   790     0  S       uwait   0xfffffe00a7496580  syz-executor.1
 5930     1   799     0  S       uwait   0xfffffe009e531a80  syz-executor.3
 5920     1   790     0  S       uwait   0xfffffe009e3d5600  syz-executor.1
 5918     1   799     0  S       uwait   0xfffffe00a6739000  syz-executor.3
 5908     1   799     0  S       uwait   0xfffffe00a7593800  syz-executor.3
 5906     1   790     0  S       uwait   0xfffffe00a66ee200  syz-executor.1
 5904     1   791     0  S       uwait   0xfffffe00a66eee80  syz-executor.2
 5901     1   791     0  S       uwait   0xfffffe00a66ee300  syz-executor.2
 5897     1   791     0  S       uwait   0xfffffe0058831000  syz-executor.2
 5894     1   791     0  S       uwait   0xfffffe00a663f480  syz-executor.2
 5891     1   791     0  S       uwait   0xfffffe00a7589e80  syz-executor.2
 5887     1   791     0  S       uwait   0xfffffe00a7589c80  syz-executor.2
 5881     1   791     0  S       uwait   0xfffffe00a6611680  syz-executor.2
 5565     1   791     0  S       uwait   0xfffffe00a7593e00  syz-executor.2
 5564     1   791     0  S       uwait   0xfffffe0058831200  syz-executor.2
 5535     1   790     0  S       umtxn   0xfffffe00a7496b80  syz-executor.1
 5526     1   790     0  S       uwait   0xfffffe00a7589780  syz-executor.1
 5515     1   790     0  S       uwait   0xfffffe00a7589600  syz-executor.1
 5508     1   790     0  S       uwait   0xfffffe00a7593c00  syz-executor.1
 5505     1   790     0  S       uwait   0xfffffe00a6739700  syz-executor.1
 4625     1   791     0  S       uwait   0xfffffe00a7496a80  syz-executor.2
 4622     1   791     0  S       uwait   0xfffffe00a73ba500  syz-executor.2
 4620     1   791     0  S       uwait   0xfffffe00a6739f00  syz-executor.2
 4616     1   790     0  S       uwait   0xfffffe00a6739100  syz-executor.1
 4614     1   790     0  S       uwait   0xfffffe00a7496980  syz-executor.1
 4609     1   790     0  S       uwait   0xfffffe00a7496880  syz-executor.1
 4606     1   790     0  S       uwait   0xfffffe00a66ee500  syz-executor.1
 4604     1   790     0  S       uwait   0xfffffe009e3d5500  syz-executor.1
 4498     1   790     0  S       uwait   0xfffffe00a7496380  syz-executor.1
 4494     1   789     0  S       uwait   0xfffffe00a7589b80  syz-executor.0
 4489     1   799     0  S       uwait   0xfffffe009e3d5880  syz-executor.3
 4487     1   790     0  S       uwait   0xfffffe00a6622280  syz-executor.1
 4484     1   789     0  S       uwait   0xfffffe00a7589a80  syz-executor.0
 4483     1   791     0  S       uwait   0xfffffe00a73bac00  syz-executor.2
 4478     1   790     0  S       uwait   0xfffffe00a73ba700  syz-executor.1
 4474     1   799     0  S       uwait   0xfffffe009e3d5680  syz-executor.3
 4473     1   789     0  S       uwait   0xfffffe00a73ba000  syz-executor.0
 4472     1   791     0  S       uwait   0xfffffe00a6739e80  syz-executor.2
 4467     1   799     0  S       uwait   0xfffffe00a7496180  syz-executor.3
 4466     1   791     0  S       uwait   0xfffffe00a73ba400  syz-executor.2
 4457     1   799     0  S       uwait   0xfffffe00a73ba600  syz-executor.3
 4449     1   799     0  S       uwait   0xfffffe00a6739500  syz-executor.3
 4211     1   799     0  S       uwait   0xfffffe00a73ba300  syz-executor.3
 4210     1   790     0  S       uwait   0xfffffe00a6611e80  syz-executor.1
 4207     1   799     0  S       uwait   0xfffffe00a73bae00  syz-executor.3
 4200     1   790     0  S       uwait   0xfffffe00a66ee680  syz-executor.1
 4192     1   799     0  S       uwait   0xfffffe005838f200  syz-executor.3
 4190     1   790     0  S       uwait   0xfffffe00a73ba200  syz-executor.1
 4187     1   791     0  S       uwait   0xfffffe00a7496c80  syz-executor.2
 4184     1   791     0  S       uwait   0xfffffe009e3d5400  syz-executor.2
 4182     1   791     0  S       uwait   0xfffffe0058831e00  syz-executor.2
 4180     1   791     0  S       uwait   0xfffffe00a7496080  syz-executor.2
 4177     1   791     0  S       uwait   0xfffffe009e3d5700  syz-executor.2
 4173     1   791     0  S       uwait   0xfffffe00a663f280  syz-executor.2
 4171     1   791     0  S       uwait   0xfffffe00a73baa00  syz-executor.2
 4169     1   791     0  S       uwait   0xfffffe00a73ba100  syz-executor.2
 4167     1   791     0  S       uwait   0xfffffe00a73ba900  syz-executor.2
 4164     1   791     0  S       uwait   0xfffffe00a7496480  syz-executor.2
 4162     1   791     0  S       uwait   0xfffffe00a66eec80  syz-executor.2
 3845     1   789     0  S       uwait   0xfffffe00a6622000  syz-executor.0
 3844     1   789     0  S       uwait   0xfffffe00a663f580  syz-executor.0
 2724     1   799     0  S       uwait   0xfffffe005838f000  syz-executor.3
 2719     1   799     0  S       uwait   0xfffffe00a73bab00  syz-executor.3
 2712     1   790     0  S       uwait   0xfffffe00a663f380  syz-executor.1
 2711     1   799     0  S       uwait   0xfffffe00a663f880  syz-executor.3
 2709     1   791     0  S       uwait   0xfffffe00a73bad00  syz-executor.2
 2705     1   790     0  S       uwait   0xfffffe00a73ba800  syz-executor.1
 2702     1   789     0  S       uwait   0xfffffe00a66eea80  syz-executor.0
 2699     1   799     0  S       uwait   0xfffffe009e531000  syz-executor.3
 2698     1   790     0  S       uwait   0xfffffe005873de80  syz-executor.1
 2695     1   790     0  S       uwait   0xfffffe00a6739e00  syz-executor.1
 2693     1   790     0  S       uwait   0xfffffe00a66ee980  syz-executor.1
 2691     1   790     0  S       uwait   0xfffffe00a663f080  syz-executor.1
 2689     1   790     0  S       uwait   0xfffffe0058831e80  syz-executor.1
 2687     1   790     0  S       uwait   0xfffffe00a6622100  syz-executor.1
 2686     1   799     0  S       uwait   0xfffffe00a6739b00  syz-executor.3
 2684     1   791     0  S       uwait   0xfffffe005838f100  syz-executor.2
 2683     1   789     0  S       uwait   0xfffffe009e531500  syz-executor.0
 2679     1   799     0  S       uwait   0xfffffe009e531100  syz-executor.3
 2678     1   790     0  S       uwait   0xfffffe00a66eeb80  syz-executor.1
 2676     1   789     0  S       uwait   0xfffffe009e2d2900  syz-executor.0
 2675     1   791     0  S       uwait   0xfffffe00a6739d00  syz-executor.2
 2668     1   799     0  S       uwait   0xfffffe00a663f180  syz-executor.3
 2663     1   799     0  S       uwait   0xfffffe00a663f980  syz-executor.3
 2184     1  2184    65  Ss      select  0xfffffe00a4e167c0  dhclient
 1916     1  1916     0  Ss      select  0xfffffe0056b76040  dhclient
 1913     1  1913     0  Ss      select  0xfffffe00a4e162c0  dhclient
 1881     1  1881    65  Ss      select  0xfffffe00a4e164c0  dhclient
 1635     0     0     0  DL      aiordy  0xfffffe0058919000  [aiod4]
 1634     0     0     0  DL      aiordy  0xfffffe00a6615a70  [aiod3]
 1633     0     0     0  DL      aiordy  0xfffffe00a1d2b000  [aiod2]
 1632     0     0     0  DL      aiordy  0xfffffe00a1d2b538  [aiod1]
 1623     1  1623     0  Ss      select  0xfffffe00a4e16f40  dhclient
 1619     1  1619     0  Ss      select  0xfffffe00a4e16ec0  dhclient
 1594     1  1594    65  Ss      select  0xfffffe00573e7dc0  dhclient
 1428     1  1428     0  Ss      select  0xfffffe0056b74740  dhclient
 1425     1  1425     0  Ss      select  0xfffffe0056b74bc0  dhclient
 1401     1  1401    65  Ss      select  0xfffffe00573e7b40  dhclient
 1035     1  1035     0  Ss      select  0xfffffe0056b74cc0  dhclient
 1032     1  1032     0  Ss      select  0xfffffe0056b74dc0  dhclient
  799   780   799     0  Rs                                  syz-executor.3
  791   780   791     0  Rs      CPU 0                       syz-executor.2
  790   780   790     0  Ss      wait    0xfffffe009e52b538  syz-executor.1
  789   780   789     0  Ss      wait    0xfffffe009e40f000  syz-executor.0
  780   778   778     0  R       (threaded)                  syz-fuzzer
100116                   S       uwait   0xfffffe009e531b80  syz-fuzzer
100117                   RunQ                                syz-fuzzer
100118                   S       uwait   0xfffffe009e531d80  syz-fuzzer
100119                   RunQ                                syz-fuzzer
100120                   S       uwait   0xfffffe009e3d5000  syz-fuzzer
100121                   S       uwait   0xfffffe005873dc80  syz-fuzzer
100122                   S       kqread  0xfffffe009bf3c300  syz-fuzzer
100123                   S       uwait   0xfffffe005873dd80  syz-fuzzer
100124                   S       uwait   0xfffffe009e3d5200  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe00587360b0  csh
  776   694   776     0  Ss      select  0xfffffe0056b74b40  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fdecb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ee0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ee4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ee8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583eecb0  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  0xffffffff84056a00  cron
  694     1   694     0  Ss      select  0xfffffe00573e7bc0  sshd
  507     1   507     0  Ss      select  0xfffffe0056b74f40  syslogd
  436     1   436     0  Ss      select  0xfffffe0056b74ec0  devd
  435     1   435    65  Ss      select  0xfffffe00573e7c40  dhclient
  350     1   350     0  Ss      select  0xfffffe0056b730c0  dhclient
  347     1   347     0  Ss      select  0xfffffe00573e7cc0  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417cc00  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0058736a70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100084                   D       qsleep  0xffffffff8417aa40  [bufdaemon]
100087                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   D       sdflush 0xfffffe0056fc14e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b2ec0  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100082                   D       psleep  0xffffffff841a69f8  [dom0]
100088                   D       launds  0xffffffff841a6a04  [laundry: dom0]
100089                   D       umarcl  0xffffffff81e93450  [uma]
   18     0     0     0  DL      -       0xffffffff83e0db60  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84c61460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff8474de20  [pf purge]
   15     0     0     0  DL      -       0xffffffff84175ec0  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84175ec0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84175ec0  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84175ec0  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100047                   D       -       0xffffffff83c932c0  [doneq0]
100048                   D       -       0xffffffff83c93240  [async]
100081                   D       -       0xffffffff83c930c0  [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_ 0xffffffff841a0aa0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100038                   D       -       0xffffffff84029fc0  [g_event]
100039                   D       -       0xffffffff8402a000  [g_up]
100040                   D       -       0xffffffff8402a040  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100029                   D       -       0xfffffe0053e0fe00  [thr_0]
100030                   D       -       0xfffffe0053e0fe80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100031                   RunQ                                [swi1: netisr 0]
100032                   I                                   [swi3: vm]
100033                   Run     CPU 1                       [swi4: clock (0)]
100034                   I                                   [swi4: clock (1)]
100035                   I                                   [swi1: hpts]
100036                   I                                   [swi1: hpts]
100049                   I                                   [irq24: virtio_pci0]
100050                   I                                   [irq25: virtio_pci0]
100051                   I                                   [irq26: virtio_pci0]
100052                   I                                   [irq27: virtio_pci0]
100053                   I                                   [irq28: virtio_pci1]
100054                   I                                   [irq29: virtio_pci1]
100055                   I                                   [irq30: virtio_pci1]
100056                   I                                   [irq31: virtio_pci1]
100057                   I                                   [irq32: virtio_pci1]
100062                   I                                   [irq10: virtio_pci2]
100064                   I                                   [irq1: atkbd0]
100065                   I                                   [irq12: psm0]
100066                   I                                   [swi0: uart uart++]
100074                   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 0xffffffff841a1a40  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402aec0  [swapper]
100005                   D       -       0xfffffe000791c500  [softirq_0]
100006                   RunQ                                [softirq_1]
100007                   D       -       0xfffffe000791c300  [if_io_tqg_0]
100008                   D       -       0xfffffe000791c200  [if_io_tqg_1]
100009                   D       -       0xfffffe000791c100  [if_config_tqg_0]
100010                   D       -       0xfffffe0053dde500  [deferred_unmount ta]
100013                   RunQ                                [thread taskq]
100015                   D       -       0xfffffe0053df1c00  [linuxkpi_irq_wq]
100016                   D       -       0xfffffe0053df1b00  [kqueue_ctx taskq]
100017                   D       -       0xfffffe0053df1a00  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df1900  [pci_hp taskq]
100019                   D       -       0xfffffe0053df1800  [inm_free taskq]
100020                   D       -       0xfffffe0053df1700  [in6m_free taskq]
100021                   D       -       0xfffffe0053df1600  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053df1600  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053df1600  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053df1600  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053df1500  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053df1500  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053df1500  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053df1500  [linuxkpi_long_wq_3]
100037                   D       -       0xfffffe0054140c00  [firmware taskq]
100041                   D       -       0xfffffe0054140b00  [crypto_0]
100042                   D       -       0xfffffe0054140b00  [crypto_1]
100058                   D       -       0xfffffe0054140500  [vtnet0 rxq 0]
100059                   D       -       0xfffffe0054140400  [vtnet0 txq 0]
100060                   D       -       0xfffffe0054140300  [vtnet0 rxq 1]
100061                   D       -       0xfffffe0054140200  [vtnet0 txq 1]
100063                   D       vtbslp  0xfffffe0056b73100  [virtio_balloon]
100067                   D       -       0xfffffe0056fb3a00  [mca taskq]
100072                   D       -       0xffffffff82c5ff40  [deadlkres]
100076                   D       -       0xfffffe005834bd00  [acpi_task_0]
100077                   D       -       0xfffffe005834bd00  [acpi_task_1]
100078                   D       -       0xfffffe005834bd00  [acpi_task_2]
100080                   D       -       0xfffffe0054140a00  [CAM taskq]
db> show all locks
Process 7930 (syz-executor.3) thread 0xfffffe00a82a1000 (112335)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00a8332e88) locked @ /syzkaller/managers/main/kernel/sys/netinet6/sctp6_usrreq.c:870
Process 791 (syz-executor.2) thread 0xfffffe00589093a0 (100096)
shared rw vm object (vm object) r = 0 (0xfffffe00a82edc60) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_fault.c:1332
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe009e411a50) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4935
Process 12 (intr) thread 0xfffffe0053df6900 (100033)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00a7321a90) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:1768
Process 0 (kernel) thread 0xfffffe0053dedac0 (100013)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff840ab680) 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         4244
          tcp_hpts            6         3201K            6
         sctp_stro          109         2160K         3407
         sysctloid        34320         2027K        34390
             vtbuf           24         1968K           46
          filedesc          220         1756K        13647
              kobj          326         1304K          485
               pcb          518         1056K        19411
            newblk            9         1026K        14113
          vfscache            3         1025K            3
           subproc          357          751K         8120
          inodedep           27          522K         7392
         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        54514
         vnet_data            1          168K            1
         sctp_atcl          414          156K        12803
           tidhash            3          141K            3
            linker          356          140K          396
           pagedep            9          130K         6858
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
               BPF           46           88K           81
               bus          984           80K         3474
           kdtrace          438           78K        20275
          mtx_pool            2           72K            2
              umtx          572           72K          572
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
               shm            3           36K           42
              temp           36           35K         3158
         hostcache            1           32K            1
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
         sctp_stri           46           23K          774
            kbdmux            6           22K            6
         sctp_atky          523           22K        16649
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
          routetbl          140           19K          797
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
           lltable           46           15K          377
            bus-sc           33           14K         1690
            kqueue          172           13K         7993
            KTRACE          101           13K         4434
             ifnet            7           13K            7
       ether_multi          152           13K          162
              ksem           31           12K          140
              kenv           95           12K           95
      eventhandler          133           12K          133
           pwddesc          168           11K         7895
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
            DEVFSP          144            9K         1582
         in6_multi           65            9K           65
         bmsafemap            2            9K         7354
              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           28            7K          417
         taskqueue           63            7K           63
         sctp_athm          414            7K        13117
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          689
          pf_ifnet           13            5K          123
       ufs_dirhash           24            5K           24
            dirrem           18            5K         7042
               UMA          270            5K          270
           session           35            5K           60
                vt           11            5K           11
             xform           66            5K         2570
          pf_table            2            4K           94
           pf_osfp           36            4K           36
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
             selfd           57            4K       108148
             lockf           33            4K          544
           acpisem           28            4K           28
          sctp_map          218            4K         6738
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
       inpcbpolicy           96            3K         4564
         proc-args           52            3K          751
          terminal           11            3K           11
            select           20            3K          238
           uidinfo            4            3K           42
          freefile           18            3K         6941
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
filedesc_to_leader           31            2K           94
            ip6ndp           12            2K           13
            Unitno           31            2K           71
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K         8990
           softdep            1            1K            1
             mkdir            8            1K        13518
          freeblks            4            1K         6987
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          554
      NFSD session            1            1K            1
        CAM periph            4            1K          271
               osd           37            1K         2229
          sctp_ifn            6            1K           14
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K          145
          pci_link           10            1K           10
            crypto            4            1K          741
 encap_export_host           12            1K           12
          procdesc            5            1K           18
         newdirblk            4            1K         6759
            diradd            4            1K         7085
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
           tcp_fsb            2            1K          692
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            6
           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
            soname            5            1K        12711
           pf_rule            1            1K          142
            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
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            5            1K          134
          sctp_vrf            1            1K            1
        ip_msource            1            1K            2
              vnet            1            1K            1
           entropy            2            1K           50
               iov            1            1K        25768
          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
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         5503
         sctp_iter            0            0K           32
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           21
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           11
         sctp_aadr            0            0K           85
            tcp_do            0            0K            0
          cdg data            0            0K            0
          chd data            0            0K           21
        dctcp data            0            0K           15
        vegas data            0            0K           18
         htcp data            0            0K           22
            mqdata            0            0K            0
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        cubic data            0            0K            8
       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         6229
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K          278
           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           62
        allocindir            0            0K            0
          indirdep            0            0K         2057
       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           73
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       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            4
        in_mfilter            0            0K            8
              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            0
            twsbuf            0            0K            0
            statfs            0            0K         6998
     namei_tracker            0            0K            2
       export_host            0            0K            0
        cl_savebuf            0            0K          104
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K          302
      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        20388
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
            biobuf            0            0K            0
              aios            0            0K           20
               lio            0            0K           12
               acl            0            0K            0
    osti_cacheable            0            0K            0
          mbuf_tag            0            0K          171
          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
          ioctlops            0            0K         1048
           eventfd            0            0K            2
           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          288
        md_sectors            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           md_disk            0            0K            0
              SWAP            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K          977
            sysctl            0            0K            3
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            6
              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           72
     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    8322     987     1058742       0     254   38129664        0
           tcp_log    416    6111   13905      392162       0     254    8326656        0
              mbuf    256    9534     441     2924991       0     254    2553600        0
              pbuf   2624       0     957           0       0       2    2511168        0
        RADIX NODE    144   15291    1112      252326       0      62    2362032        0
      malloc-16384  16384     109       5        6821       0       1    1867776        0
          BUF TRIE    144     359   11401       14600       0      62    1693440        0
        malloc-384    384    4159      21        4450       0      30    1605120        0
        malloc-128    128   12422      40       19634       0     126    1595136        0
      mbuf_cluster   2048     690       2         691       0     254    1417216        0
       malloc-4096   4096     326       1         485       0       2    1339392        0
       UMA Slabs 0    112   11015      34       11015       0     126    1237488        0
         vmem btag     56   20475      92       20475       0     254    1151752        0
         VM OBJECT    264    2742      63      118863       0      30     740520        0
         FFS inode   1160     614      23        7564       0       8     738920        0
         MAP ENTRY     96    7308     294      463208       0     126     729792        0
       malloc-4096   4096     170       5        7946       0       2     716800        0
    ertt_txseginfo     40    7233    8018      863491       0     254     610040        0
       tcp_bbr_map    128    1978    2765      330606       0     126     607104        0
       malloc-2048   2048     235      59       30160       0       8     602112        0
        256 Bucket   2048     230      54       20439       0       8     581632        0
         sctp_asoc   2288     109     126        3369       0     254     537680        0
            THREAD   1808     267      19       12342       0       8     517088        0
           sctp_ep   1280     260     109        8898       0     254     472320        0
      malloc-65536  65536       4       2         450       0       1     393216        0
           VMSPACE   2544     141       9        7899       0       4     381600        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
            socket    944     303      89       15060       0     254     370048        0
             VNODE    448     652      86        7604       0      30     330624        0
        malloc-384    384     628     182       20384       0      30     311040        0
        sctp_raddr    736     269      83        3954       0     254     259072        0
         malloc-64     64    3949      83        4133       0     254     258048        0
        malloc-256    256      54     921       15752       0      62     249600        0
              PROC   1336     169      17        7931       0       8     248496        0
         malloc-16     16   14215     535       20866       0     254     236000        0
            DEVCTL   1024       0     220         153       0       0     225280        0
        malloc-256    256     665     160       23394       0      62     211200        0
         filedesc0   1072     168      21        7895       0       8     202608        0
      malloc-65536  65536       0       3         107       0       1     196608        0
      malloc-65536  65536       3       0           3       0       1     196608        0
      malloc-65536  65536       2       1          10       0       1     196608        0
      malloc-32768  32768       0       6        1853       0       1     196608        0
         UMA Zones    768     242       2         242       0      16     187392        0
         malloc-32     32    5654     142       12569       0     254     185472        0
        malloc-128    128    1302      93       40728       0     126     178560        0
       mbuf_packet    256     149     541       30253       0     254     176640        0
       FFS2 dinode    256     614      16        7564       0      62     161280        0
       malloc-1024   1024     111      41        3488       0      16     155648        0
       S VFS Cache    104    1072     332        8359       0     126     146016        0
      malloc-65536  65536       0       2          20       0       1     131072        0
      malloc-65536  65536       0       2         136       0       1     131072        0
        128 Bucket   1024      75      52        4013       0      16     130048        0
       malloc-1024   1024     119       5         491       0      16     126976        0
        malloc-256    256     186     309       30810       0      62     126720        0
            clpbuf   2624       0      48        1443       0      16     125952        0
          ksiginfo    112     169     875        4705       0     126     116928        0
       malloc-8192   8192      12       2          14       0       1     114688        0
        malloc-128    128     451     324       11928       0     126      99200        0
      malloc-32768  32768       1       2         131       0       1      98304        0
      malloc-16384  16384       6       0          21       0       1      98304        0
       malloc-4096   4096      22       1          28       0       2      94208        0
        malloc-256    256       1     359       13586       0      62      92160        0
          UMA Kegs    384     227       6         227       0      30      89472        0
             g_bio    408       0     210       62613       0      30      85680        0
             tcpcb   1080      33      44        2218       0     254      83160        0
        sctp_chunk    152     216     330        1951       0     254      82992        0
         malloc-64     64    1055     205      117602       0     254      80640        0
         64 Bucket    512      98      54       19691       0      30      77824        0
         malloc-64     64    1006     128       20552       0     254      72576        0
       malloc-4096   4096      15       2          29       0       2      69632        0
      malloc-32768  32768       0       2           8       0       1      65536        0
      malloc-16384  16384       2       2         162       0       1      65536        0
       malloc-2048   2048      17      15         776       0       8      65536        0
     udplite_inpcb    496      37      91        1771       0     254      63488        0
             Files     80     609     141       33573       0     126      60000        0
       malloc-8192   8192       5       2         106       0       1      57344        0
       malloc-4096   4096      11       3         546       0       2      57344        0
         32 Bucket    256      65     130       28536       0      62      49920        0
         tcp_inpcb    496      35      61        2218       0     254      47616        0
            pcpu-8      8    4771     861        8701       0     254      45056        0
           DIRHASH   1024      34       6          34       0      16      40960        0
       malloc-8192   8192       2       3          31       0       1      40960        0
       malloc-8192   8192       3       2          14       0       1      40960        0
       malloc-1024   1024       3      37         511       0      16      40960        0
         TURNSTILE    136     287       7         287       0      62      39984        0
             NAMEI   1024       0      36       47391       0      16      36864        0
        malloc-512    512      47      25         896       0      30      36864        0
        malloc-384    384      45      45         433       0      30      34560        0
              pipe    744      28      17         646       0      16      33480        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
        malloc-128    128      20     228         277       0     126      31744        0
        malloc-256    256      72      48        2004       0      62      30720        0
        malloc-256    256      90      30         755       0      62      30720        0
       tcp_bbr_pcb    832       3      33         853       0      16      29952        0
      tcp_rack_pcb    832       2      34         692       0      16      29952        0
         malloc-64     64     245     196       26512       0     254      28224        0
        SLEEPQUEUE     88     287      33         287       0     126      28160        0
             KNOTE    160      28     147      121830       0      62      28000        0
            ttyinq    160     135      40         300       0      62      28000        0
       malloc-2048   2048       2      10          49       0       8      24576        0
       malloc-1024   1024      13      11        1491       0      16      24576        0
       malloc-1024   1024      16       8          70       0      16      24576        0
               PWD     32     113     643        6856       0     254      24192        0
         malloc-64     64       0     378         601       0     254      24192        0
         malloc-32     32     377     379       13022       0     254      24192        0
          8 Bucket     80      53     247        3490       0     126      24000        0
        malloc-128    128     124      62        7224       0     126      23808        0
        sctp_readq    152     116      40         406       0     254      23712        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
       malloc-4096   4096       2       3         499       0       2      20480        0
       malloc-2048   2048       3       7         111       0       8      20480        0
       malloc-2048   2048       7       3          22       0       8      20480        0
        malloc-512    512      10      30         562       0      30      20480        0
        malloc-128    128      77      78        1181       0     126      19840        0
       Mountpoints   2752       2       5           4       0       4      19264        0
        malloc-384    384      31      19          39       0      30      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       0       4        6998       0       2      16384        0
       malloc-2048   2048       1       7         139       0       8      16384        0
        sctp_laddr     48     100     236        2416       0     254      16128        0
         malloc-32     32     267     237        6891       0     254      16128        0
         malloc-32     32      58     446         474       0     254      16128        0
         16 Bucket    144      63      49         800       0      62      16128        0
      vtnet_tx_hdr     24       0     668      960225       0     254      16032        0
         malloc-16     16     435     565       19641       0     254      16000        0
             ripcb    496      18      14         276       0     254      15872        0
         udp_inpcb    496       6      26         299       0     254      15872        0
             unpcb    256      20      40        1526       0     254      15360        0
       malloc-1024   1024       4       8          15       0      16      12288        0
        malloc-512    512       6      18          26       0      30      12288        0
        malloc-512    512      10      14          45       0      30      12288        0
sctp_stream_msg_out    112      38      70         897       0     254      12096        0
      tcp_rack_map    112       6     102        1521       0     126      12096        0
         malloc-64     64     111      78        1761       0     254      12096        0
         malloc-32     32     180     198        4780       0     254      12096        0
          2 Bucket     32      60     318        1905       0     254      12096        0
         malloc-16     16     520     230        6784       0     254      12000        0
        malloc-128    128      44      49         394       0     126      11904        0
        malloc-128    128       1      92         284       0     126      11904        0
              kenv    258      15      30        1044       0      30      11610        0
        malloc-256    256      27      18         330       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       2       0           3       0       2       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          54       0      30       8192        0
        malloc-512    512       3      13         298       0      30       8192        0
           pf tags    104       0      78          74       0     126       8112        0
           rtentry    176      30      16          34       0      62       8096        0
             tcptw     88       1      91          18       0     254       8096        0
              PGRP     88      35      57          83       0     126       8096        0
          rl_entry     40     134      68         134       0     254       8080        0
   sctp_asconf_ack     48       0     168          24       0     254       8064        0
             udpcb     32      43     209        2070       0     254       8064        0
              ertt     72      33      79        2218       0     126       8064        0
         malloc-64     64       4     122           8       0     254       8064        0
         malloc-64     64       9     117          43       0     254       8064        0
         malloc-32     32      39     213        2928       0     254       8064        0
         malloc-32     32      23     229          71       0     254       8064        0
          4 Bucket     48       6     162         281       0     254       8064        0
         malloc-16     16      17     483         398       0     254       8000        0
         malloc-16     16      62     438       28321       0     254       8000        0
         malloc-16     16      22     478          32       0     254       8000        0
         malloc-16     16      11     489          19       0     254       8000        0
               AIO    208       0      38          33       0      62       7904        0
           cryptop    280       0      28         179       0      30       7840        0
            itimer    352       0      22           2       0      30       7744        0
             AIOCB    552       0      14          71       0      16       7728        0
     routing nhops    256      27       3          34       0      62       7680        0
        malloc-384    384       1      19         547       0      30       7680        0
        malloc-256    256      14      16         269       0      62       7680        0
            AIOLIO    272       0      28          12       0      30       7616        0
         domainset     40       0     189          63       0     254       7560        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55          80       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
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           1       0      62       4048        0
          tcpreass     48       0      84           1       0     254       4032        0
         hostcache     64       2      61           2       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
              AIOP     32       4     122           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
      tcp_log_node    120       0      33           1       0     126       3960        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
       sctp_asconf     40       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    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
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    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
           NCLNODE    584       0       0           0       0      16          0        0
        TMPFS node    224       0       0           0       0      62          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
        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-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 (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/27 06:30 freebsd-src 4783fb730fa1 fd511809 console log report ci-freebsd-main panic: ASan: Invalid access, 2-byte read in sctp_ss_fcfs_select
2021/08/02 19:20 freebsd-src 1b1bb6f17880 6c236867 console log report ci-freebsd-i386 panic: ASan: Invalid access, 2-byte read in sctp_ss_fcfs_select
2021/08/24 09:47 freebsd-src 159258afb50a b599f2fc console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read in sctp_ss_fcfs_select
* Struck through repros no longer work on HEAD.