syzbot


panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c: (2)

Status: fixed on 2021/09/10 22:39
Reported-by: syzbot+39af117d43d4f0faf512@syzkaller.appspotmail.com
Fix commit: 141fe2dceeae aio: Interlock with listen(2)
First crash: 657d, last: 564d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c: 3 776d 824d 0/2 auto-closed as invalid on 2021/03/22 03:39

Sample crash report:
panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:749
cpuid = 1
time = 1626905555
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009bd941b0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009bd94310
vpanic() at vpanic+0x2c5/frame 0xfffffe009bd943f0
panic() at panic+0xb5/frame 0xfffffe009bd944c0
turnstile_wait() at turnstile_wait+0x72d/frame 0xfffffe009bd94530
__mtx_lock_sleep() at __mtx_lock_sleep+0x45b/frame 0xfffffe009bd94670
__mtx_lock_flags() at __mtx_lock_flags+0x22e/frame 0xfffffe009bd94760
soo_aio_queue() at soo_aio_queue+0xee/frame 0xfffffe009bd947b0
aio_aqueue() at aio_aqueue+0xe64/frame 0xfffffe009bd949f0
ia32_syscall() at ia32_syscall+0x41f/frame 0xfffffe009bd94bf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbf99f78
KDB: enter: panic
[ thread pid 47713 tid 151301 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28ee5fa(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0x8e514089fbf0c3f8
rdx                    0x40001
rbx                          0
rsp         0xfffffe009bd942f0
rbp         0xfffffe009bd94310
rsi                          0
rdi         0xfffffe00588399a8
r8                         0x3
r9          0xfffffe009bd93e48
r10                          0
r11         0xfffffe00a2e8d530
r12         0xfffffe00a2e8d020
r13         0xfffffe009bd94301
r14         0xffffffff82c57960  .str.18
r15         0xffffffff82c57960  .str.18
rip         0xffffffff8179b4bb  kdb_enter+0x6b
rflags                0x200046  kernload+0x46
kdb_enter+0x6b: movq    $0,0x28ee5fa(%rip)
db> show proc
Process 47713 (syz-executor.2) at 0xfffffe00a5a75000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 784 at 0xfffffe005886fa70
 ABI: FreeBSD ELF32
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.2
 reaper: 0xfffffe0053d4b538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00a5a4a000
   (map 0xfffffe00a5a4a000)
   (map.pmap 0xfffffe00a5a4a0c0)
   (pmap 0xfffffe00a5a4a120)
 threads: 5
100358                   RunQ                                syz-executor.2
151292                   S       sigwait 0xfffffe009e9ba000  syz-executor.2
151294                   RunQ                                syz-executor.2
151300                   S       sigwait 0xfffffe009e9ba000  syz-executor.2
151301                   Run     CPU 1                       syz-executor.2
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
47713   784   784     0  R       (threaded)                  syz-executor.2
100358                   RunQ                                syz-executor.2
151292                   S       sigwait 0xfffffe009e9ba000  syz-executor.2
151294                   RunQ                                syz-executor.2
151300                   S       sigwait 0xfffffe009e9ba000  syz-executor.2
151301                   Run     CPU 1                       syz-executor.2
 5589     0     0     0  DL      aiordy  0xfffffe009e973000  [aiod4]
 5588     0     0     0  DL      aiordy  0xfffffe00589f1538  [aiod3]
 5587     0     0     0  DL      aiordy  0xfffffe009e9f7a70  [aiod2]
 5586     0     0     0  DL      aiordy  0xfffffe00a5a75538  [aiod1]
 4742     1  4742    65  Ss      select  0xfffffe00a2e75ec0  dhclient
 3727     1  3727     0  Ss      select  0xfffffe00a2e75e40  dhclient
 3724     1  3724     0  Ss      select  0xfffffe00a2e75c40  dhclient
 3696     1  3696    65  Ss      select  0xfffffe0056b74cc0  dhclient
 2540     1  2540     0  Ss      select  0xfffffe00a5a49440  dhclient
 2537     1  2537     0  Ss      select  0xfffffe0056b749c0  dhclient
 2510     1  2510    65  Ss      select  0xfffffe00a5a49040  dhclient
 2221     1  2221     0  Ss      select  0xfffffe00a5a491c0  dhclient
 2212     1  2212     0  Ss      select  0xfffffe00a5a49140  dhclient
 2164     1  2164    65  Ss      select  0xfffffe00a5a492c0  dhclient
  837     1   837     0  Ss      select  0xfffffe00573f29c0  dhclient
  832     1   832     0  Ss      select  0xfffffe0056b76240  dhclient
  785   780   785     0  Ss      piperd  0xfffffe009e986000  syz-executor.3
  784   780   784     0  Ss      nanslp  0xffffffff84056981  syz-executor.2
  783   780   783     0  Ss      piperd  0xfffffe009e4215d0  syz-executor.1
  782   780   782     0  Ss      piperd  0xfffffe009e986ba0  syz-executor.0
  780   778   778     0  S       (threaded)                  syz-fuzzer
100117                   S       uwait   0xfffffe009e3d3480  syz-fuzzer
100118                   S       uwait   0xfffffe005890ea80  syz-fuzzer
100119                   S       uwait   0xfffffe005890eb80  syz-fuzzer
100120                   S       kqread  0xfffffe00571a0700  syz-fuzzer
100121                   S       uwait   0xfffffe009e980a80  syz-fuzzer
100122                   S       uwait   0xfffffe009e3d3580  syz-fuzzer
100123                   S       uwait   0xfffffe009e980b80  syz-fuzzer
100124                   S       uwait   0xfffffe009e980c80  syz-fuzzer
100125                   S       uwait   0xfffffe009e3d3680  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe00589f10b0  csh
  776   694   776     0  Ss      select  0xfffffe0056b74a40  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fdecb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ed0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ed4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ed8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583edcb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583930b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583934b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583938b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058393cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84056981  cron
  694     1   694     0  Ss      select  0xfffffe0056b74b40  sshd
  507     1   507     0  Ss      select  0xfffffe00573f2cc0  syslogd
  436     1   436     0  Ss      select  0xfffffe0056b74f40  devd
  435     1   435    65  Ss      select  0xfffffe00573f2bc0  dhclient
  350     1   350     0  Ss      select  0xfffffe00573f2e40  dhclient
  347     1   347     0  Ss      select  0xfffffe00573f2d40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417cac0  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0058736a70  [vnlru]
   21     0     0     0  RL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff8417a9c0  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   RunQ                                [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b2d80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a68b8  [dom0]
100087                   D       launds  0xffffffff841a68c4  [laundry: dom0]
100088                   D       umarcl  0xffffffff81e91af0  [uma]
   18     0     0     0  DL      -       0xffffffff83e0dae0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84c4f460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84969e20  [pf purge]
   15     0     0     0  DL      -       0xffffffff84175e40  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84175e40  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84175e40  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84175e40  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c93240  [doneq0]
100047                   D       -       0xffffffff83c931c0  [async]
100080                   D       -       0xffffffff83c93040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0007919888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe0053e0fc80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe0053e0fc30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841a0960  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff84029f40  [g_event]
100038                   D       -       0xffffffff84029f80  [g_up]
100039                   D       -       0xffffffff84029fc0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e0fe00  [thr_0]
100029                   D       -       0xfffffe0053e0fe80  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d4b538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a1900  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402ae40  [swapper]
100005                   D       -       0xfffffe000791c500  [softirq_0]
100006                   D       -       0xfffffe000791c400  [softirq_1]
100007                   D       -       0xfffffe000791c300  [if_io_tqg_0]
100008                   D       -       0xfffffe000791c200  [if_io_tqg_1]
100009                   D       -       0xfffffe000791c100  [if_config_tqg_0]
100012                   Run     CPU 0                       [thread taskq]
100013                   D       -       0xfffffe0053dde000  [inm_free taskq]
100015                   D       -       0xfffffe0053df1c00  [kqueue_ctx taskq]
100016                   D       -       0xfffffe0053df1b00  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe0053df1a00  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df1900  [in6m_free taskq]
100019                   D       -       0xfffffe0053df1800  [pci_hp taskq]
100020                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df1700  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df1600  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0054140d00  [firmware taskq]
100040                   D       -       0xfffffe0054140c00  [crypto_0]
100041                   D       -       0xfffffe0054140c00  [crypto_1]
100057                   D       -       0xfffffe0054140600  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0054140500  [vtnet0 txq 0]
100059                   D       -       0xfffffe0054140400  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0054140300  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056b73100  [virtio_balloon]
100066                   D       -       0xfffffe0056fb3b00  [mca taskq]
100071                   D       -       0xffffffff82c5e8e0  [deadlkres]
100075                   D       -       0xfffffe0058349d00  [acpi_task_0]
100076                   D       -       0xfffffe0058349d00  [acpi_task_1]
100077                   D       -       0xfffffe0058349d00  [acpi_task_2]
100079                   D       -       0xfffffe0054140b00  [CAM taskq]
db> show all locks
Process 0 (kernel) thread 0xfffffe0053dee1e0 (100012)
exclusive sleep mutex kernel arena domain (kernel arena domain) r = 0 (0xfffff80007001000) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/i386/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
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          326         1304K          485
            newblk            9         1026K        47322
          vfscache            3         1025K            3
               pcb           30          539K        12661
          inodedep           36          526K        47985
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          149          288K        50307
            acpica         1674          184K        54712
         vnet_data            1          168K            1
              vmem            3          146K            4
           tidhash            3          141K            3
            linker          356          140K          396
           pagedep            9          130K        46747
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
          filedesc           12           89K        93469
               BPF           46           88K         4711
               bus          984           80K         3475
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              umtx          374           47K          374
           kdtrace          227           45K        99023
              temp           35           33K         8547
         hostcache            1           32K            1
               shm            1           32K          808
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
          routetbl          126           16K          402
           ithread           99           16K           99
            bus-sc           33           14K         1692
            KTRACE          100           13K          100
           lltable           41           13K           47
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
         in6_multi           65            9K           65
         bmsafemap            2            9K        47982
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K          449
       pfs_vncache            1            8K            1
         sctp_timw           31            8K           31
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
              cred           28            7K         3946
            dirrem           27            7K        47889
            kqueue           66            7K        47725
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          574
            DEVFSP           80            5K         4620
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
           session           35            5K         1973
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           pwddesc           64            4K        47721
             lockf           35            4K          224
           acpisem           28            4K           28
             selfd           55            4K       604179
          freefile           27            4K        47879
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
         proc-args           52            3K          749
          terminal           11            3K           11
            select           19            3K           50
           uidinfo            3            3K          502
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
            Unitno           30            2K          213
          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        46733
           softdep            1            1K            1
             mkdir            8            1K        93446
          freeblks            4            1K        46732
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          142
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          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           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           14
         newdirblk            4            1K        46723
            diradd            4            1K        47934
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           15            1K         7106
               osd            8            1K         2074
         sctp_atcl            1            1K         6052
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           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
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K           42
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
          nexusdev            7            1K            7
            soname            4            1K        25819
          filecaps            5            1K          256
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           50
          acpiintr            1            1K            1
               pmc            1            1K            1
         sctp_atky            1            1K         6398
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
         sctp_athm            1            1K         6052
          p1003.1b            1            1K            1
         htcp data            0            0K            0
        dctcp data            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         2039
         sctp_iter            0            0K           11
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           11
         sctp_aadr            0            0K            0
         sctp_stro            0            0K          104
         sctp_stri            0            0K            0
          sctp_map            0            0K          208
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
          cdg data            0            0K            8
            mqdata            0            0K            0
          chd data            0            0K            0
        cubic data            0            0K           15
        vegas data            0            0K            0
       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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     951       68888       0     254   37974016        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8577     963      237788       0     254    2442240        0
          BUF TRIE    144     186   11574        1653       0      62    1693440        0
        malloc-384    384    4155      15        4912       0      30    1601280        0
        malloc-128    128   12223      84       60192       0     126    1575296        0
       malloc-4096   4096     326       2         485       0       2    1343488        0
      mbuf_cluster   2048     600       2         600       0     254    1232896        0
       UMA Slabs 0    112   10476      33       10476       0     126    1177008        0
        RADIX NODE    144    6198     433     1208867       0      64     954864        0
         vmem btag     56   16707      44       16707       0     254     938056        0
        malloc-384    384     122    1698       56624       0      30     698880        0
         FFS inode   1160     522      24       48402       0       8     633360        0
        malloc-256    256     191    1714      193087       0      62     487680        0
         VM OBJECT    264    1439     121      677422       0      30     411840        0
      malloc-65536  65536       4       2         492       0       1     393216        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
        malloc-256    256       1    1424       85038       0      62     364800        0
            THREAD   1808     162      25       51301       0       8     338096        0
        256 Bucket   2048     141      17       11675       0       8     323584        0
       malloc-4096   4096      64       9       47725       0       2     299008        0
             VNODE    448     560      88       48442       0      30     290304        0
        malloc-128    128     430    1771       53807       0     126     281728        0
         malloc-64     64    3918      51        4011       0     254     254016        0
         malloc-16     16   13997     253       14297       0     254     228000        0
            DEVCTL   1024       0     220         153       0       0     225280        0
      malloc-65536  65536       3       0           3       0       1     196608        0
      malloc-65536  65536       2       1          10       0       1     196608        0
      malloc-16384  16384       5       7       46732       0       1     196608        0
         malloc-32     32    5550     372       52437       0     254     189504        0
         MAP ENTRY     96    1514     460     2628310       0     126     189504        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-128    128    1299     127      119150       0     126     182528        0
        malloc-256    256      54     591       48472       0      62     165120        0
       mbuf_packet    256      33     567       50920       0     254     153600        0
       S VFS Cache    104    1066     377       51652       0     126     150072        0
       FFS2 dinode    256     522      48       48401       0      62     145920        0
            socket    944      41      99       30447       0     254     132160        0
      malloc-65536  65536       0       2         136       0       1     131072        0
           VMSPACE   2544      37      14       47700       0       4     129744        0
       malloc-1024   1024     119       5         304       0      16     126976        0
          ksiginfo    112      69     975        1615       0     126     116928        0
              PROC   1336      63      21       47720       0       8     112224        0
        malloc-256    256     301     134       57612       0      62     111360        0
       malloc-8192   8192      12       1          14       0       1     106496        0
      malloc-32768  32768       1       2         131       0       1      98304        0
      malloc-16384  16384       6       0          21       0       1      98304        0
       malloc-2048   2048       9      39       10275       0       8      98304        0
        128 Bucket   1024      66      29       12176       0      16      97280        0
       malloc-4096   4096      22       1          29       0       2      94208        0
         filedesc0   1072      64      20       47721       0       8      90048        0
          UMA Kegs    384     227       6         227       0      30      89472        0
         malloc-64     64     947     439      653706       0     254      88704        0
            clpbuf   2624       0      32          21       0      16      83968        0
         64 Bucket    512     123      37       12275       0      30      81920        0
       malloc-4096   4096      15       3          29       0       2      73728        0
         malloc-64     64     729     405      101842       0     254      72576        0
       malloc-2048   2048      16      18         637       0       8      69632        0
             g_bio    408       0     170       12606       0      30      69360        0
      malloc-16384  16384       2       2         162       0       1      65536        0
         32 Bucket    256     113     112       19280       0      62      57600        0
       malloc-8192   8192       2       5          34       0       1      57344        0
       malloc-8192   8192       5       2         106       0       1      57344        0
       malloc-4096   4096      11       2         546       0       2      53248        0
              pipe    744      23      47       19359       0      16      52080        0
             tcpcb   1080       4      38        2063       0     254      45360        0
            pcpu-8      8    4711     921       36591       0     254      45056        0
           sctp_ep   1280       1      32        5948       0     254      42240        0
       malloc-1024   1024       3      37         511       0      16      40960        0
             Files     80     233     267      133375       0     126      40000        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36      218493       0      16      36864        0
       malloc-2048   2048       0      18         813       0       8      36864        0
        malloc-512    512      10      62        4567       0      30      36864        0
             unpcb    256      20     115       17332       0     254      34560        0
         sctp_asoc   2288       0      15         104       0     254      34320        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2           3       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
             ripcb    496       5      59        1689       0     254      31744        0
            itimer    352       0      88        3464       0      30      30976        0
        malloc-256    256      68      52        2170       0      62      30720        0
         TURNSTILE    136     188      22         188       0      62      28560        0
             KNOTE    160      28     147      374091       0      62      28000        0
        malloc-256    256      89      16         639       0      62      26880        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-1024   1024       3      21         156       0      16      24576        0
       malloc-1024   1024      13      11        1577       0      16      24576        0
       malloc-1024   1024      16       8          32       0      16      24576        0
    ertt_txseginfo     40       0     606       64608       0     254      24240        0
               PWD     32      19     737       46830       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
         tcp_inpcb    496       4      44        2063       0     254      23808        0
        malloc-128    128     124      62       47183       0     126      23808        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
       malloc-4096   4096       0       5       47526       0       2      20480        0
         udp_inpcb    496       6      34        2321       0     254      19840        0
        malloc-128    128      77      78        4213       0     126      19840        0
        malloc-128    128      20     135         293       0     126      19840        0
        SLEEPQUEUE     88     188      36         188       0     126      19712        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      40      10          75       0      30      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2          93       0       2      16384        0
       malloc-2048   2048       7       1           7       0       8      16384        0
        sctp_raddr    736       0      22         104       0     254      16192        0
         malloc-64     64       0     252         622       0     254      16128        0
      vtnet_tx_hdr     24       0     668       68057       0     254      16032        0
          8 Bucket     80      46     154        7238       0     126      16000        0
               AIO    208       1      75        1635       0      62      15808        0
        malloc-384    384      31       9          31       0      30      15360        0
        malloc-256    256      27      33        1238       0      62      15360        0
       tcp_bbr_pcb    832       0      18          11       0      16      14976        0
        malloc-512    512       1      23         119       0      30      12288        0
              PGRP     88      35     103        1973       0     126      12144        0
         malloc-32     32     260     118        5718       0     254      12096        0
         malloc-32     32      57     321         478       0     254      12096        0
         16 Bucket    144      49      35         359       0      62      12096        0
          2 Bucket     32      58     320        3034       0     254      12096        0
         malloc-16     16     520     230       22541       0     254      12000        0
              kenv    258      15      30        1038       0      30      11610        0
             AIOCB    552       2      19        1409       0      16      11592        0
     routing nhops    256      27      18          34       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-2048   2048       1       3          13       0       8       8192        0
       malloc-1024   1024       8       0           8       0      16       8192        0
       malloc-1024   1024       4       4         452       0      16       8192        0
        malloc-512    512      10       6         150       0      30       8192        0
        malloc-512    512       6      10         966       0      30       8192        0
        malloc-512    512       3      13          62       0      30       8192        0
           rtentry    176      30      16          34       0      62       8096        0
          rl_entry     40      83     119          83       0     254       8080        0
        sctp_laddr     48       0     168          48       0     254       8064        0
          sackhole     32       0     252           5       0     254       8064        0
             udpcb     32       6     246        3354       0     254       8064        0
               ipq     56       0     144          10       0     254       8064        0
              AIOP     32       4     248           4       0     254       8064        0
              ertt     72       4     108        2063       0     126       8064        0
         malloc-64     64      90      36       18161       0     254       8064        0
         malloc-64     64      39      87          43       0     254       8064        0
         malloc-64     64       4     122         160       0     254       8064        0
         malloc-64     64       9     117          38       0     254       8064        0
         malloc-32     32      98     154        7396       0     254       8064        0
         malloc-32     32      38     214        3273       0     254       8064        0
         malloc-32     32      23     229         110       0     254       8064        0
          4 Bucket     48       7     161         563       0     254       8064        0
         malloc-16     16      22     478       11135       0     254       8000        0
         malloc-16     16      17     483          29       0     254       8000        0
         malloc-16     16      33     467       27041       0     254       8000        0
         malloc-16     16      21     479          26       0     254       8000        0
         malloc-16     16      11     489         162       0     254       8000        0
     udplite_inpcb    496       0      16        1033       0     254       7936        0
        malloc-128    128      15      47         736       0     126       7936        0
        malloc-128    128       1      61          91       0     126       7936        0
        malloc-384    384       1      19         381       0      30       7680        0
        malloc-256    256      14      16         269       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55         293       0     126       6448        0
         domainset     40       0     126         203       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-1024   1024       4       0           4       0      16       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
          tcpreass     48       0      84           1       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
         malloc-32     32      10     116        6617       0     254       4032        0
         malloc-32     32       0     126           2       0     254       4032        0
         malloc-16     16       4     246           5       0     254       4000        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        malloc-384    384       2       8           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       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 tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb    832       0       0           0       0      16          0        0
      tcp_rack_map    112       0       0           0       0     126          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       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
             tcptw     88       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            AIOLIO    272       0       0           0       0      30          0        0
        TMPFS node    224       0       0           0       0      62          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
     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
           cryptop    280       0       0           0       0      30          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-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-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 (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-i386 2021/07/21 22:08 freebsd-src 8bc3dc01005e 29c3f20f console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/07/01 15:25 freebsd-src c5f4772c66d2 658ebc66 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/07/01 02:50 freebsd-src 28dd6730a5d6 38a885d1 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/06/18 08:58 freebsd-src 6a836ea741c7 aba2b2fb console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/06/13 04:13 freebsd-src 345077ccd521 1ba81399 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/05/22 19:34 freebsd-src c235059bb7e6 3c7fef33 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/05/04 22:05 freebsd-src b59851e99c20 06c27ff5 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/04/27 10:47 freebsd-src 0cd4b781a6fa 805b5003 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
ci-freebsd-i386 2021/04/19 23:35 freebsd-src d3f0c032fb8b 4285c989 console log report panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:
* Struck through repros no longer work on HEAD.