syzbot


panic: deadlres_td_on_lock: possible deadlock detected for ADDR (syz-executor), blocked for NUM ticks

Status: auto-obsoleted due to no activity on 2024/04/17 08:02
Reported-by: syzbot+5f0bce8ebe21bca73013@syzkaller.appspotmail.com
First crash: 92d, last: 92d

Sample crash report:
panic: deadlres_td_on_lock: possible deadlock detected for 0xfffffe0073ca7740 (syz-executor.0), blocked for 90198 ticks

cpuid = 0
time = 1705564862
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0007be7ad0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0007be7c30
vpanic() at vpanic+0x271/frame 0xfffffe0007be7dd0
panic() at panic+0xb5/frame 0xfffffe0007be7ea0
deadlkres() at deadlkres+0x528/frame 0xfffffe0007be7ef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0007be7f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0007be7f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 0 tid 100066 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x2194267(%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         0xffffffff815de2c5  printf+0xf5
rdx                        0x1
rbx         0xffffffff826f86c0  .str.28
rsp         0xfffffe0007be7c10
rbp         0xfffffe0007be7c30
rsi                          0
rdi         0xffffffff815de326  printf+0x156
r8                           0
r9                  0xffffffff
r10         0x15279bd440428dbb
r11                        0x6
r12                          0
r13         0xfffffe0057abc740
r14         0xffffffff826f86c0  .str.28
r15                          0
rip         0xffffffff815cadae  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x2194267(%rip)
db> show proc
Process 0 (kernel) at 0xffffffff836e9720:
 state: NORMAL
 uid: 0  gids: 0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff836e9720 reapsubtree: 0
 sigparent: 0
 vmspace: 0xffffffff836ea6c0
   (map 0xffffffff836ea6c0)
   (map.pmap 0xffffffff836ea780)
   (pmap 0xffffffff836ea7f0)
 threads: 36
100000                   D       swapin  0xffffffff836e9720  [swapper]
100005                   D       -       0xfffffe00540a8800  [softirq_0]
100006                   D       -       0xfffffe00540a8600  [softirq_1]
100007                   D       -       0xfffffe00540a8400  [if_io_tqg_0]
100008                   D       -       0xfffffe00540a8200  [if_io_tqg_1]
100009                   D       -       0xfffffe00540a8000  [if_config_tqg_0]
100010                   D       -       0xfffffe00079e5000  [pci_hp taskq]
100011                   D       -       0xfffffe00079e4e00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00079e4b00  [thread taskq]
100016                   D       -       0xfffffe00079e4900  [aiod_kick taskq]
100017                   D       -       0xfffffe00079e4800  [deferred_unmount ta]
100018                   D       -       0xfffffe00079e4700  [inm_free taskq]
100019                   D       -       0xfffffe00079e4600  [in6m_free taskq]
100020                   D       -       0xfffffe00079e4500  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00079e4200  [firmware taskq]
100039                   D       -       0xfffffe00079e3700  [crypto_0]
100040                   D       -       0xfffffe00079e3700  [crypto_1]
100055                   D       -       0xfffffe00079e3000  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00079e2e00  [vtnet0 txq 0]
100057                   D       -       0xfffffe00079e2d00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00079e2c00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0057197400  [virtio_balloon]
100066                   Run     CPU 0                       [deadlkres]
100070                   D       -       0xfffffe00079e3200  [acpi_task_0]
100071                   D       -       0xfffffe00079e3200  [acpi_task_1]
100072                   D       -       0xfffffe00079e3200  [acpi_task_2]
100074                   RunQ                                [mca taskq]
100075                   D       -       0xfffffe00079e3100  [CAM taskq]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
36861 36860 36860     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36860   768 36860     0  Ss      wait    0xfffffe0077a3c060  syz-executor.1
36859 36858 36858     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36858   768 36858     0  Ss      wait    0xfffffe00779d55a0  syz-executor.2
36854 36853 36853     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36853   768 36853     0  Ss      wait    0xfffffe00779d5b00  syz-executor.3
36852 36851 36851     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36851   768 36851     0  Ss      wait    0xfffffe00779d65c0  syz-executor.0
36850     1 36849     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36848     1 36847     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36835     1 36834     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36833     1 36832     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36831     1 36830     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36829     1 36828     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36827     1 36826     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36825     1 36824     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36823     1 36822     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36821     1 36820     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36819     1 36818     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36817     1 36816     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36812     1 36811     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36810     1 36809     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36808     1 36807     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36806     1 36805     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36801     1 36800     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36799     1 36798     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36797     1 36796     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36795     1 36794     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36788     1 36787     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36786     1 36785     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36784     1 36781     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36783     1 36782     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36777     1 36776     0  R                                   ifconfig
36775     1 36774     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
36773     1   771     0  T       (threaded)                  syz-executor.0
138846                   s                                   syz-executor.0
139656                   L      *sctp-in 0xfffffe0073c8a180  syz-executor.0
139657                   L      *sctp-in 0xfffffe0073c8a180  syz-executor.0
139658                   L      *sctp-in 0xfffffe0073c8a180  syz-executor.0
36772     1   784     0  RE      CPU 1                       syz-executor.3
36762     1   775     0  LE     *sctp-in 0xfffffe0073c8a180  syz-executor.2
36745     1   772     0  LE     *sctp-in 0xfffffe0073c8a180  syz-executor.1
24263     1   771     0  S       uwait   0xfffffe006cd7ce00  syz-executor.0
16888     0     0     0  DL      -       0xffffffff83850240  [soaiod4]
16887     0     0     0  DL      -       0xffffffff83850240  [soaiod3]
16886     0     0     0  DL      -       0xffffffff83850240  [soaiod2]
16885     0     0     0  DL      -       0xffffffff83850240  [soaiod1]
15144     0     0     0  DL      mdwait  0xfffffe0057b01000  [md0]
11495     1   771     0  SV      uwait   0xfffffe0057ab6200  syz-executor.0
11082     1   772     0  S       uwait   0xfffffe0057ab8800  syz-executor.1
 9686     1   784     0  SV      uwait   0xfffffe006cd7de00  syz-executor.3
 9279     1  9279    65  Rs                                  dhclient
 6930     1  6930     0  Ss      select  0xfffffe0057a96bc0  dhclient
 6927     1  6927     0  Ss      select  0xfffffe006ca247c0  dhclient
 6908     1  6908    65  Rs                                  dhclient
 6255     0     0     0  DL      aiordy  0xfffffe006ce01ac0  [aiod4]
 6254     0     0     0  DL      aiordy  0xfffffe006ce02580  [aiod3]
 6252     0     0     0  DL      aiordy  0xfffffe007426b580  [aiod2]
 6251     0     0     0  DL      aiordy  0xfffffe006ce035a0  [aiod1]
 5443     1  5443     0  Ss      select  0xfffffe006a303440  dhclient
 5438     1  5438     0  Ss      select  0xfffffe006ca23cc0  dhclient
 5414     1  5414    65  Rs                                  dhclient
 4020     1   772     0  S       uwait   0xfffffe0054040a00  syz-executor.1
 3865     1   771     0  S       uwait   0xfffffe006cd7cf00  syz-executor.0
 3558     1  3558     0  Ss      select  0xfffffe006ca231c0  dhclient
 3555     1  3555     0  Ss      select  0xfffffe006ca23840  dhclient
 3518     1  3518    65  Rs                                  dhclient
  806     1   806     0  Ss      select  0xfffffe006a3035c0  dhclient
  801     1   801     0  Ss      select  0xfffffe006ca234c0  dhclient
  768   766   766     0  R       (threaded)                  syz-fuzzer
100112                   S       uwait   0xfffffe0054040680  syz-fuzzer
100118                   RunQ                                syz-fuzzer
100119                   S       uwait   0xfffffe0057ab7480  syz-fuzzer
100120                   S       uwait   0xfffffe0057ab7580  syz-fuzzer
100121                   S       uwait   0xfffffe006cd7ef00  syz-fuzzer
100122                   S       uwait   0xfffffe0057ab7680  syz-fuzzer
100123                   RunQ                                syz-fuzzer
100124                   S       wait    0xfffffe006a31db00  syz-fuzzer
100125                   S       uwait   0xfffffe006cd7f080  syz-fuzzer
100126                   S       uwait   0xfffffe006cd7f180  syz-fuzzer
100133                   S       wait    0xfffffe006a31db00  syz-fuzzer
100191                   S       wait    0xfffffe006a31db00  syz-fuzzer
101922                   S       wait    0xfffffe006a31db00  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe006a31e670  csh
  764   682   764     0  Ss      select  0xfffffe006ca23540  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe00576a00b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00587e84b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00587f0cb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00587e8cb0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00587e94b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00587e9cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00543494b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0054349cb0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe005434a4b0  getty
  686     1   686     0  Rs                                  cron
  682     1   682     0  Ss      select  0xfffffe006ca23940  sshd
  495     1   495     0  Ss      select  0xfffffe0057a96740  syslogd
  424     1   424     0  Rs                                  devd
  423     1   423    65  Ss      select  0xfffffe006ca240c0  dhclient
  338     1   338     0  Ss      select  0xfffffe006ca24140  dhclient
  335     1   335     0  Ss      select  0xfffffe0057beacc0  dhclient
   17     0     0     0  RL                                  [syncer]
   16     0     0     0  RL                                  [vnlru]
   15     0     0     0  RL      (threaded)                  [bufdaemon]
100079                   RunQ                                [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100092                   RunQ                                [/ worker]
    9     0     0     0  DL      psleep  0xffffffff838a55c0  [vmdaemon]
    8     0     0     0  RL      (threaded)                  [pagedaemon]
100077                   RunQ                                [dom0]
100080                   D       launds  0xffffffff8388d444  [laundry: dom0]
100081                   RunQ                                [uma]
    7     0     0     0  RL                                  [rand_harvestq]
    6     0     0     0  RL                                  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff841485a0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83488340  [doneq0]
100045                   D       -       0xffffffff834882c0  [async]
100076                   D       -       0xffffffff83488140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83888c60  [crypto]
100042                   D       crypto_ 0xfffffe00542edd30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe00542edd80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe000799c088  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836e8d40  [g_event]
100036                   D       -       0xffffffff836e8d60  [g_up]
100037                   D       -       0xffffffff836e8d80  [g_down]
    2     0     0     0  LL      (threaded)                  [clock]
100029                   L      *sctp-tc 0xfffffe0007880900  [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe00541f8040  [init]
   10     0     0     0  DL      audit_w 0xffffffff838896c0  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836e9720  [swapper]
100005                   D       -       0xfffffe00540a8800  [softirq_0]
100006                   D       -       0xfffffe00540a8600  [softirq_1]
100007                   D       -       0xfffffe00540a8400  [if_io_tqg_0]
100008                   D       -       0xfffffe00540a8200  [if_io_tqg_1]
100009                   D       -       0xfffffe00540a8000  [if_config_tqg_0]
100010                   D       -       0xfffffe00079e5000  [pci_hp taskq]
100011                   D       -       0xfffffe00079e4e00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00079e4b00  [thread taskq]
100016                   D       -       0xfffffe00079e4900  [aiod_kick taskq]
100017                   D       -       0xfffffe00079e4800  [deferred_unmount ta]
100018                   D       -       0xfffffe00079e4700  [inm_free taskq]
100019                   D       -       0xfffffe00079e4600  [in6m_free taskq]
100020                   D       -       0xfffffe00079e4500  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00079e4200  [firmware taskq]
100039                   D       -       0xfffffe00079e3700  [crypto_0]
100040                   D       -       0xfffffe00079e3700  [crypto_1]
100055                   D       -       0xfffffe00079e3000  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00079e2e00  [vtnet0 txq 0]
100057                   D       -       0xfffffe00079e2d00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00079e2c00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0057197400  [virtio_balloon]
100066                   Run     CPU 0                       [deadlkres]
100070                   D       -       0xfffffe00079e3200  [acpi_task_0]
100071                   D       -       0xfffffe00079e3200  [acpi_task_1]
100072                   D       -       0xfffffe00079e3200  [acpi_task_2]
100074                   RunQ                                [mca taskq]
100075                   D       -       0xfffffe00079e3100  [CAM taskq]
db> show all locks
Process 36777 (ifconfig) thread 0xfffffe0074dc9740 (138805)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff8385e2c0) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:3039
Process 36772 (syz-executor.3) thread 0xfffffe00742cf000 (139045)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00855bca50) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3371
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe007439d428) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3338
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe0054047158) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3337
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe007439d448) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3336
Process 36762 (syz-executor.2) thread 0xfffffe00742ce740 (118256)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe00743a2b18) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3336
Process 36745 (syz-executor.1) thread 0xfffffe00777d3740 (139463)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe007064e8e0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3336
Process 8 (pagedaemon) thread 0xfffffe00576ac000 (100077)
shared rw vnet_rwlock (vnet_rwlock) r = 0 (0xffffffff83862020) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:6968
Process 0 (kernel) thread 0xfffffe0057abc740 (100066)
exclusive sleep mutex process lock (process lock) r = 0 (0xfffffe006cc01c08) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_clock.c:265
shared sx allproc (allproc) r = 0 (0xffffffff82c09c00) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_clock.c:255
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4221
               pcb         1389         2201K       108213
         sysctloid        34817         2052K        34888
             vtbuf           24         1968K           46
              kobj          326         1304K          497
            newblk           13         1027K        40280
          vfscache            3         1025K            3
          filedesc           90          714K        71851
         sctp_stro          677          677K        17542
          inodedep           19          519K        36270
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
         sctp_atcl         1358          510K        72157
              intr            4          472K            4
           subproc          224          454K        37008
              vmem            3          266K            6
         vnet_data            2          224K            2
          acpitask            1          224K            1
            acpica         1674          184K        60830
           tidhash            3          141K            3
           pagedep           12          131K        35913
            linker          352          130K          418
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          110          110K          127
               sem            4          106K            4
        gtaskqueue           18           98K           18
               BPF           47           89K          281
         sctp_atky         2035           85K        90838
               bus          985           81K         5155
          mtx_pool            2           72K            2
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          513           65K          513
       ddb_capture            1           64K            1
           kdtrace          300           56K        76548
              umtx          416           52K          416
         sctp_timw          165           42K          165
              temp           35           37K         6096
            DEVFS3          129           33K          139
           filemon            4           32K          475
         hostcache            1           32K            1
               shm            1           32K           20
               msg            4           30K            4
            DEVFSP          463           29K         1621
          kcovinfo          442           28K          442
            kbdmux            6           28K            6
               LRO           24           25K           24
         sctp_athm         1358           22K        72792
          sctp_map         1354           22K        35294
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
           lltable           53           17K          149
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          128           16K          411
           ithread           97           16K           97
            bus-sc           34           15K         1687
            plimit           54           14K          744
      eventhandler          161           14K          161
            KTRACE          101           13K          102
             ifnet            7           13K            7
       ether_multi          152           13K          162
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              GEOM           68           12K          527
              rman           86           11K          431
         CAM queue            5           11K         1528
            kqueue          104            9K        37455
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         bmsafemap            2            9K        36315
               rpc            4            9K            4
           session           65            9K          192
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              UART           12            9K           12
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              cred           26            7K          393
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             hhook           15            5K           17
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               UMA          267            5K          267
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           scsi_da            0            0K           69
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           CAM CCB            0            0K          523
     CAM ccb queue            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8385    1013     1112126       0     254   38494208        0
              mbuf    256   10297   22482     3993989       0     254    8391424        0
        RADIX NODE    144   27225     322      871861       0      63    3966768        0
         sctp_asoc   2256     677     848       17534       0     254    3440400        0
           tcp_log    416       0    5337       16605       0     254    2220192        0
       malloc-2048   2048     688     352       54016       0       8    2129920        0
      mbuf_cluster   2048    1016       0        1016       0     254    2080768        0
           sctp_ep   1176     681     849       54009       0     254    1799280        0
       malloc-4096   4096     436       0       37367       0       2    1785856        0
          BUF TRIE    144     206   11610        4897       0      62    1701504        0
        malloc-384    384    4122      48        4123       0      30    1601280        0
        malloc-128    128   11462     256       47851       0     126    1499904        0
        malloc-384    384    1417    2423      108607       0      30    1474560        0
       UMA Slabs 0    112   12021      33       12021       0     126    1350048        0
         vmem btag     56   22066      77       22096       0     254    1240008        0
        sctp_raddr    736     678     851       17782       0     254    1125344        0
       malloc-1024   1024     677     347       17084       0      16    1048576        0
        sctp_chunk    152     807    5303      149959       0     254     928720        0
        malloc-256    256      89    3391      140807       0      62     890880        0
      malloc-16384  16384      44       1       35908       0       1     737280        0
        256 Bucket   2048     337      15       12511       0       8     720896        0
         FFS inode   1168     554      27       36666       0       8     678608        0
         VM OBJECT    264    2308      32      415781       0      30     617760        0
          lkpicurr    176       2    3080           2       0      62     542432        0
       tcp_bbr_map    128    1079    2982      175968       0     126     519808        0
              pbuf   2624       0     198           0       0       2     519552        0
            socket    960      85     423       61924       0     254     487680        0
    ertt_txseginfo     40    1137    9872     1175850       0     254     440360        0
            THREAD   1824     197      11       39685       0       8     379392        0
        malloc-128    128     703    2211       40495       0     126     372992        0
        malloc-256    256     711     474       54075       0      62     303360        0
         MAP ENTRY     96    3047     103     1106295       0     126     302400        0
             VNODE    448     595      71       36709       0      30     298368        0
         malloc-64     64    4010     337       77652       0     254     278208        0
      malloc-65536  65536       4       0           4       0       1     262144        0
       mbuf_packet    256     157     859       89694       0     254     260096        0
        malloc-256    256     233     772       46313       0      62     257280        0
         malloc-16     16   14393     107       18914       0     254     232000        0
            DEVCTL   1024       0     220         153       0       0     225280        0
      malloc-32768  32768       0       6        2119       0       1     196608        0
     FPU_save_area    832     199      26       61898       0      16     187200        0
         UMA Zones    768     239       0         239       0      16     183552        0
        128 Bucket   1024     104      75        7772       0      16     183296        0
         malloc-32     32    5416     254       11654       0     254     181440        0
        malloc-128    128    1169     226       28420       0     126     178560        0
       FFS2 dinode    256     554     136       36666       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
              PROC   1376     101      20       36861       0       8     166496        0
       S VFS Cache    104    1025     496       37651       0     126     158184        0
       malloc-8192   8192       6      13         477       0       1     155648        0
       malloc-2048   2048       6      66        1206       0       8     147456        0
       malloc-1024   1024     129      15         146       0      16     147456        0
         malloc-64     64    1190     889       20404       0     254     133056        0
      malloc-65536  65536       0       2         153       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         540       0       1     131072        0
             unpcb    256      20     490        1589       0     254     130560        0
       malloc-4096   4096      23       7          52       0       2     122880        0
         filedesc0   1072     102      10       36861       0       8     120064        0
          ksiginfo    112     105     939       22754       0     126     116928        0
        malloc-256    256     325     110       41191       0      62     111360        0
         64 Bucket    512     147      53       18797       0      30     102400        0
      malloc-32768  32768       3       0           3       0       1      98304        0
      malloc-32768  32768       3       0           3       0       1      98304        0
              pipe    728     104      28         659       0      16      96096        0
          UMA Kegs    384     226       7         226       0      30      89472        0
sctp_stream_msg_out    112     243     549        2461       0     254      88704        0
        sctp_laddr     48     921     927       17187       0     254      88704        0
         tcp_inpcb   1312       9      57        4458       0       8      86592        0
        malloc-128    128     381     270      108407       0     126      83328        0
        malloc-128    128     508     143        2041       0     126      83328        0
        malloc-384    384     172      38         175       0      30      80640        0
         32 Bucket    256     159     156        6394       0      62      80640        0
        sctp_readq    152       0     520         333       0     254      79040        0
         malloc-32     32    1426     968       74951       0     254      76608        0
             Files     80     744     156      116735       0     126      72000        0
           VMSPACE    616      76      38       36870       0      16      70224        0
         malloc-64     64     222     849      526564       0     254      68544        0
         malloc-64     64     511     560        1116       0     254      68544        0
           DIRHASH   1024      35      29          35       0      16      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-16384  16384       3       1           4       0       1      65536        0
       malloc-4096   4096      13       3         227       0       2      65536        0
       malloc-2048   2048      17      15         134       0       8      65536        0
        malloc-256    256     181      74       36320       0      62      65280        0
         udp_inpcb    424      37     116         351       0      30      64872        0
             g_bio    408       0     150       41124       0      30      61200        0
             ripcb    392       5     148        1272       0      30      59976        0
         malloc-64     64     459     360       19168       0     254      52416        0
         malloc-64     64     337     482         378       0     254      52416        0
         malloc-64     64     498     321        3215       0     254      52416        0
        malloc-256    256      57     138       37960       0      62      49920        0
      tcp_rack_pcb   1024       0      48         591       0      16      49152        0
             NAMEI   1024       0      48      167379       0      16      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-1024   1024       4      44         562       0      16      49152        0
        malloc-512    512       0      96        1228       0      30      49152        0
       tcp_bbr_pcb    832       2      52        1679       0      16      44928        0
          syncache    168       0     264           4       0     254      44352        0
       malloc-8192   8192       3       2          37       0       1      40960        0
       malloc-8192   8192       3       2         104       0       1      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-4096   4096       5       5          39       0       2      40960        0
            pcpu-8      8    4808     312        7293       0     254      40960        0
         malloc-16     16    1417    1083       90362       0     254      40000        0
         malloc-16     16    1388    1112       35398       0     254      40000        0
     udplite_inpcb    424       0      90         179       0      30      38160        0
            da_ccb    544       0      70       10397       0      16      38080        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64      45     522         108       0     254      36288        0
         16 Bucket    144      96     156        1033       0      62      36288        0
      tcp_rack_map    128       0     279        2829       0     126      35712        0
        malloc-128    128      33     246         133       0     126      35712        0
        malloc-128    128     108     171        1249       0     126      35712        0
        malloc-128    128      79     200         132       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      52      38          52       0      30      34560        0
        malloc-256    256       9     126         715       0      62      34560        0
        malloc-256    256      43      92         480       0      62      34560        0
         TURNSTILE    136     209      43         209       0      62      34272        0
        SLEEPQUEUE     88     209     175         209       0     126      33792        0
      malloc-16384  16384       0       2         160       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
       malloc-4096   4096       1       7         603       0       2      32768        0
       malloc-2048   2048       8       8          76       0       8      32768        0
       malloc-2048   2048       5      11         484       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-2048   2048       2      14         193       0       8      32768        0
       malloc-2048   2048       1      15         150       0       8      32768        0
       malloc-1024   1024      15      17          17       0      16      32768        0
       malloc-1024   1024      13      19          25       0      16      32768        0
       malloc-1024   1024       2      30         747       0      16      32768        0
       malloc-1024   1024      10      22          10       0      16      32768        0
       malloc-1024   1024       1      31        1426       0      16      32768        0
        malloc-512    512      12      52         216       0      30      32768        0
        malloc-512    512       3      61          44       0      30      32768        0
        malloc-512    512       4      60          55       0      30      32768        0
        malloc-512    512       3      61         115       0      30      32768        0
        malloc-512    512       8      56          64       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
               PWD     40      51     757       35958       0     254      32320        0
             KNOTE    160      38     162      280858       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      65     199         239       0     126      31680        0
            clpbuf   2624       0      12          25       0       4      31488        0
   tcp_inpcb ports     32       3     879        2260       0     254      28224        0
         malloc-32     32     359     523       58255       0     254      28224        0
          4 Bucket     48       5     583           8       0     254      28224        0
          2 Bucket     32      77     805        3925       0     254      28224        0
          8 Bucket     80      98     252        7739       0     126      28000        0
               AIO    208       0     133          40       0      62      27664        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       1       2           5       0       1      24576        0
       malloc-4096   4096       2       4         865       0       2      24576        0
          rl_entry     40      91     515          91       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
            itimer    352       0      66          31       0      30      23232        0
        malloc-384    384       0      60         343       0      30      23040        0
        malloc-384    384      14      46         348       0      30      23040        0
udplite_inpcb ports     32       0     630          21       0     254      20160        0
   udp_inpcb ports     32       3     627          34       0     254      20160        0
              ertt     72       9     271        4458       0     126      20160        0
         malloc-32     32       9     621          52       0     254      20160        0
         malloc-32     32     105     525         467       0     254      20160        0
         malloc-32     32      59     571        2067       0     254      20160        0
         malloc-32     32      55     575         262       0     254      20160        0
         malloc-32     32      34     596        1512       0     254      20160        0
             AIOCB    552       0      35         106       0      16      19320        0
            AIOLIO    272       0      70           9       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
        malloc-512    512       0      32         157       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
               ipq     56       0     288           1       0     254      16128        0
      vtnet_tx_hdr     24       0     668     1558917       0     254      16032        0
              kenv    258      17      43        1081       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
         malloc-16     16      30     720          81       0     254      12000        0
         malloc-16     16      17     733       11029       0     254      12000        0
         malloc-16     16     261     489       74509       0     254      12000        0
         malloc-16     16      35     715          55       0     254      12000        0
         malloc-16     16     268     482       28086       0     254      12000        0
       L VFS Cache    320       0      36           2       0      30      11520        0
        malloc-384    384       2      28           2       0      30      11520        0
       Mountpoints   2816       2       2           2       0       4      11264        0
       malloc-4096   4096       2       0           2       0       2       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16       4     252           4       0     254       4096        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    360       0       0           0       0       0          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       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
          sackhole     32       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
       ripcb ports     32       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    232       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    104       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         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      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          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-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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/18 08:01 freebsd-src 78ae60b447eb 915053c7 console log report ci-freebsd-i386 panic: deadlres_td_on_lock: possible deadlock detected for ADDR (syz-executor), blocked for NUM ticks
* Struck through repros no longer work on HEAD.