syzbot


panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2) (3)

Status: upstream: reported on 2025/05/02 02:52
Reported-by: syzbot+285dda2c6bb4a77e1228@syzkaller.appspotmail.com
First crash: 228d, last: 2h21m
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2) 2 1 1399d 1399d 0/2 auto-closed as invalid on 2022/05/17 14:14
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2) (2) 2 C 16 605d 1149d 2/2 fixed on 2025/03/31 18:35
freebsd panic: ASan: Invalid access, 8-byte read at ADDR, StackMiddle(f2) 2 18 1620d 1622d 2/2 fixed on 2021/08/31 00:25

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe0056c13c5c, StackMiddle(f2)
cpuid = 0
time = 1765898618
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056c13570
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056c136d0
vpanic() at vpanic+0x257/frame 0xfffffe0056c13890
panic() at panic+0xb5/frame 0xfffffe0056c13950
kasan_report() at kasan_report+0xdf/frame 0xfffffe0056c13a20
sigqueue_move_set() at sigqueue_move_set+0x10d/frame 0xfffffe0056c13ab0
sigqueue_delete_set_proc() at sigqueue_delete_set_proc+0x1e9/frame 0xfffffe0056c13bb0
tdsendsignal() at tdsendsignal+0x6cc/frame 0xfffffe0056c13ce0
reap_kill_proc_work() at reap_kill_proc_work+0x266/frame 0xfffffe0056c13d30
taskqueue_run_locked() at taskqueue_run_locked+0x3ed/frame 0xfffffe0056c13ea0
taskqueue_thread_loop() at taskqueue_thread_loop+0x118/frame 0xfffffe0056c13ef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056c13f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056c13f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 0 tid 100015 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x2589ee7(%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         0xffffffff8166065e  _vprintf+0x1ae
rdx                          0
rbx         0xffffffff82837620  .str.27
rsp         0xfffffe0056c136b0
rbp         0xfffffe0056c136d0
rsi                          0
rdi         0xffffffff81660bc9  printf+0x149
r8                           0
r9                  0xffffffff
r10                        0x1
r11                       0x17
r12         0xfffffe0007812780
r13         0xfffffffffffffffe
r14         0xffffffff82837620  .str.27
r15                          0
rip         0xffffffff81649fae  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x2589ee7(%rip)
db> show proc
Process 0 (kernel) at 0xffffffff83b5df60:
 state: NORMAL
 uid: 0 gid: 0 supp gids: 0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83b5df60 reapsubtree: 0
 sigparent: 0
 vmspace: 0xffffffff83b5ef40
   (map 0xffffffff83b5ef40)
   (map.pmap 0xffffffff83b5efe0)
   (pmap 0xffffffff83b5f050)
 threads: 38
100000                   D       -       0xffffffff84c5bff0  [kernel]
100005                   D       -       0xfffffe0007775000  [softirq_0]
100006                   D       -       0xfffffe0007774b00  [softirq_1]
100007                   D       -       0xfffffe0007774a00  [if_io_tqg_0]
100008                   D       -       0xfffffe0007774900  [if_io_tqg_1]
100009                   D       -       0xfffffe0007774800  [if_config_tqg_0]
100010                   D       -       0xfffffe00077ff000  [kqueue_ctx taskq]
100011                   D       -       0xfffffe00077fee00  [jail_remove taskq]
100012                   D       -       0xfffffe00077fed00  [bus taskq]
100015                   Run     CPU 0                       [thread taskq]
100017                   D       -       0xfffffe00077fe800  [aiod_kick taskq]
100018                   D       -       0xfffffe00077fe700  [deferred_unmount ta]
100019                   D       -       0xfffffe00077fe600  [inm_free taskq]
100020                   D       -       0xfffffe00077fe500  [in6m_free taskq]
100021                   D       -       0xfffffe00077fe400  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe00077fe100  [firmware taskq]
100040                   D       -       0xfffffe00077fe000  [crypto_0]
100041                   D       -       0xfffffe00077fe000  [crypto_1]
100056                   D       -       0xfffffe00077fdd00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00077fdc00  [vtnet0 txq 0]
100058                   D       -       0xfffffe00077fdb00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe00077fda00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0058073580  [virtio_balloon]
100065                   D       -       0xffffffff8283bd00  [deadlkres]
100069                   D       -       0xfffffe0059484300  [acpi_task_0]
100070                   D       -       0xfffffe0059484300  [acpi_task_1]
100071                   D       -       0xfffffe0059484300  [acpi_task_2]
100073                   D       -       0xfffffe00077ff100  [mca taskq]
100074                   D       -       0xfffffe00077fde00  [CAM taskq]
100076                   D       -       0xfffffe0059483900  [ipsec_offload]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  828   818   766     0  S       uwait   0xfffffe006de9c300  syz-executor
  827   818   766     0  S       uwait   0xfffffe00596c8f00  syz-executor
  826     0     0     0  DL      aiordy  0xfffffe0058728ab8  [aiod4]
  825     0     0     0  DL      aiordy  0xfffffe0058713558  [aiod3]
  824     0     0     0  DL      aiordy  0xfffffe00586d7568  [aiod2]
  823     0     0     0  DL      aiordy  0xfffffe0058713ab0  [aiod1]
  820   804   820     0  Ss      piperd  0xfffffe006e60b2e0  dhclient
  819   818   766     0  S       uwait   0xfffffe006de9e580  syz-executor
  818   766   766     0  TL      (threaded)                  syz-executor
100129                   s                                   syz-executor
100130                   s                                   syz-executor
100133                   s                                   syz-executor
100142                   s                                   syz-executor
  814   764   764     0  R       (threaded)                  syz-executor
100115                   RunQ                                syz-executor
100126                   S       uwait   0xfffffe00596ca180  syz-executor
100132                   S       uwait   0xfffffe00596c8900  syz-executor
100140                   S       uwait   0xfffffe006de9c600  syz-executor
100143                   S       uwait   0xfffffe006de9c700  syz-executor
  813     1   813     0  Ss      select  0xfffffe00542a8140  dhclient
  812   811   765     0  S       uwait   0xfffffe006de9e500  syz-executor
  811   765   765     0  T       (threaded)                  syz-executor
100122                   s                                   syz-executor
100123                   s                                   syz-executor
100127                   D       reapst  0xfffffe0056ff5a08  syz-executor
  807   763   763     0  R       (threaded)                  syz-executor
100112                   RunQ                                syz-executor
100120                   S       uwait   0xfffffe00596c9f00  syz-executor
  805     1   763     0  S       uwait   0xfffffe005948a000  syz-executor
  804   784   423    65  S       select  0xfffffe005808b7c0  dhclient
  784   423   423     0  S       wait    0xfffffe00586ab570  sh
  766   762   766     0  S       nanslp  0xffffffff83bb4f40  syz-executor
  765   762   765     0  S       nanslp  0xffffffff83bb4f40  syz-executor
  764   762   764     0  S       nanslp  0xffffffff83bb4f40  syz-executor
  763   762   763     0  R       CPU 1                       syz-executor
  762   760   760     0  S       select  0xfffffe005808ba40  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe00586e90b0  csh
  758   681   758     0  Ss      select  0xfffffe005808bb40  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe00084ec8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00594924b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00084eb8b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00594928b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0059492cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00594930b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00594934b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00594938b0  getty
  739     1   739     0  Ss+     ttyin   0xfffffe0059493cb0  getty
  737     1    17     0  S+      piperd  0xfffffe00598362e0  logger
  736   735    17     0  S+      nanslp  0xffffffff83bb4f40  sleep
  735     1    17     0  S+      wait    0xfffffe00586e9ab0  sh
  685     1   685     0  Ss      nanslp  0xffffffff83bb4f40  cron
  681     1   681     0  Ss      select  0xfffffe005806dd40  sshd
  494     1   494     0  Ss      select  0xfffffe00542a89c0  syslogd
  423     1   423     0  Ss      wait    0xfffffe00586d6ab8  devd
  422     1   422    65  Ss      select  0xfffffe0058073340  dhclient
  337     1   337     0  Ss      piperd  0xfffffe0059837140  dhclient
  334     1   334     0  Ss      select  0xfffffe00542a8740  dhclient
   16     0     0     0  DL      syncer  0xffffffff83ce2ae0  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a018  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83ce1020  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100095                   D       sdflush 0xfffffe0057f15ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d22340  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83d08408  [dom0]
100080                   D       launds  0xffffffff83d08414  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e34010  [uma]
    7     0     0     0  DL      -       0xffffffff8392d510  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff845aaf80  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8491a700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838f7340  [doneq0]
100046                   D       -       0xffffffff838f72c0  [async]
100075                   D       -       0xffffffff838f7140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83d03ca0  [crypto]
100043                   D       crypto_ 0xfffffe00084ff030  [crypto returns 0]
100044                   D       crypto_ 0xfffffe00084ff080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b5d520  [g_event]
100038                   D       -       0xffffffff83b5d540  [g_up]
100039                   D       -       0xffffffff83b5d560  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100031                   I                                   [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007809010  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d04740  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       -       0xffffffff84c5bff0  [kernel]
100005                   D       -       0xfffffe0007775000  [softirq_0]
100006                   D       -       0xfffffe0007774b00  [softirq_1]
100007                   D       -       0xfffffe0007774a00  [if_io_tqg_0]
100008                   D       -       0xfffffe0007774900  [if_io_tqg_1]
100009                   D       -       0xfffffe0007774800  [if_config_tqg_0]
100010                   D       -       0xfffffe00077ff000  [kqueue_ctx taskq]
100011                   D       -       0xfffffe00077fee00  [jail_remove taskq]
100012                   D       -       0xfffffe00077fed00  [bus taskq]
100015                   Run     CPU 0                       [thread taskq]
100017                   D       -       0xfffffe00077fe800  [aiod_kick taskq]
100018                   D       -       0xfffffe00077fe700  [deferred_unmount ta]
100019                   D       -       0xfffffe00077fe600  [inm_free taskq]
100020                   D       -       0xfffffe00077fe500  [in6m_free taskq]
100021                   D       -       0xfffffe00077fe400  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe00077fe300  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe00077fe200  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe00077fe100  [firmware taskq]
100040                   D       -       0xfffffe00077fe000  [crypto_0]
100041                   D       -       0xfffffe00077fe000  [crypto_1]
100056                   D       -       0xfffffe00077fdd00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00077fdc00  [vtnet0 txq 0]
100058                   D       -       0xfffffe00077fdb00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe00077fda00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0058073580  [virtio_balloon]
100065                   D       -       0xffffffff8283bd00  [deadlkres]
100069                   D       -       0xfffffe0059484300  [acpi_task_0]
100070                   D       -       0xfffffe0059484300  [acpi_task_1]
100071                   D       -       0xfffffe0059484300  [acpi_task_2]
100073                   D       -       0xfffffe00077ff100  [mca taskq]
100074                   D       -       0xfffffe00077fde00  [CAM taskq]
100076                   D       -       0xfffffe0059483900  [ipsec_offload]
  821   818   766     0  Z                                   syz-executor
db> show all locks
Process 811 (syz-executor) thread 0xfffffe005871e780 (100127)
exclusive sx sapblk (sapblk) r = 0 (0xffffffff83ba32c0) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_proc.c:3472
Process 0 (kernel) thread 0xfffffe0007812780 (100015)
exclusive sleep mutex process lock (process lock) r = 0 (0xfffffe0058715138) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_thread.c:1569
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          385         5207K          499
          tcp_hpts            8         4865K            8
            devbuf         4187         4324K         4212
         sysctloid        35057         2066K        35132
             vtbuf           24         1968K           46
              kobj          337         1348K          501
            newblk          553         1162K          628
          vfscache            3         1025K            3
               pcb           29          673K           56
          inodedep           72          539K           97
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          139          274K          906
         vnet_data            2          224K            2
          acpitask            1          224K            1
          filedesc           26          201K           85
            KTRACE          100          200K          100
            acpica         1674          184K        56977
              vmem            5          143K            5
           tidhash            3          141K            3
           pagedep           24          134K           29
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          106          106K          123
        gtaskqueue           18           98K           18
               LRO           22           85K           22
               bus         1015           83K         5167
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          529           67K          529
       ddb_capture            1           64K            1
           kdtrace          203           40K          973
              umtx          304           38K          304
               BPF           22           36K           22
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          125           32K          135
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           33           21K         1830
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           90           15K           90
            bus-sc           34           15K         1690
      eventhandler          161           14K          161
           lltable           43           14K           43
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
              GEOM           49           11K          431
         CAM queue            5           11K         1528
              rman           75           10K          430
              cred           25           10K          187
             shmfd            4           10K            4
               rpc            8            9K            8
            plimit           23            9K          332
         in6_multi           65            9K           65
         bmsafemap            3            9K           66
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          306
         taskqueue           69            8K           69
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
            diradd           38            5K           60
            kqueue           65            5K          835
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
          pf_ifnet           10            5K           19
            dirrem           17            5K           38
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          indirdep           15            4K           55
           pwddesc           60            4K          830
           acpisem           28            4K           28
          freework           14            4K           41
            Unitno           79            4K          123
            DEVFSP           47            3K           50
             selfd           44            3K         7337
          terminal           11            3K           11
           session           22            3K           33
         proc-args           87            3K         1873
           acpidev           20            3K           20
             hhook            8            3K           10
           uidinfo            3            3K            6
          kcovinfo           36            3K           36
             mkdir           17            3K           36
           netlink            2            3K           71
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             clone            8            2K            8
             lockf           19            2K           29
            ip6ndp           12            2K           13
         newdirblk           14            2K           18
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K            8
               tun            4            2K            4
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
            select           11            2K           29
               msi            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
            CC Mem            8            1K           10
             nhops            6            1K            8
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           14
         sctp_atcl            2            1K            2
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
               osd           13            1K           27
            crypto            4            1K            4
 encap_export_host           12            1K           12
       inpcbpolicy           19            1K          163
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
      counter_rate           13            1K           13
    chacha20random            1            1K            1
            biobuf            1            1K            1
          freeblks            1            1K           28
          freefrag            2            1K           15
           inotify            1            1K            1
            vnodes            1            1K            1
          procdesc            2            1K            8
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
         cryptodev            3            1K           36
           tcpfunc            3            1K            3
        loginclass            3            1K            5
            prison            6            1K            6
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
       in6_mfilter            2            1K            2
        ip_msource            2            1K            2
        in_mfilter            3            1K            3
               aio            4            1K            4
          pmchooks            1            1K            1
          filecaps            5            1K           72
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1332       18476       0     254   39534592        0
              mbuf    256    8617    1300       20128       0     254    2538752        0
          BUF TRIE    152     230   11574         524       0      62    1794208        0
        malloc-384    384    4246      44        4446       0      30    1647360        0
       malloc-4096   4096     399       3        1332       0       2    1646592        0
        malloc-128    128   12421      72       12466       0     126    1599104        0
       UMA Slabs 0    112   11152       2       11152       0     126    1249248        0
           tcp_log    416     412    2135        2766       0     254    1059552        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
      malloc-65536  65536      13       2          84       0       1     983040        0
        RADIX NODE    152    6253     138       26467       0      62     971432        0
         vmem btag     56   16345      38       16345       0     254     917448        0
         FFS inode   1168     541      19         551       0       8     654080        0
              pbuf   2664       0     202           0       0       2     538128        0
            socket   1024      34     474        1358       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
         VM OBJECT    248    1174      74       13417       0      62     309504        0
        256 Bucket   2048     128      18        1053       0       8     299008        0
           sctp_ep   1152       2     257           2       0     254     298368        0
      malloc-32768  32768       3       6          56       0       1     294912        0
            THREAD   1860     141      11         143       0       8     282720        0
         malloc-64     64    4043     304        5620       0     254     278208        0
             VNODE    440     577      26         589       0      30     265320        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-16384  16384      13       2         231       0       1     245760        0
       malloc-2048   2048     109      11         380       0       8     245760        0
         malloc-16     16   14460     290       14530       0     254     236000        0
            DEVCTL   1024      21     199         148       0       0     225280        0
        malloc-256    256     755      55        1486       0      62     207360        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5362     308        6434       0     254     181440        0
        malloc-128    128    1224     171       26647       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320      11     505        1167       0     254     165120        0
       malloc-2048   2048      13      67        1108       0       8     163840        0
       FFS2 dinode    256     541      89         550       0      62     161280        0
         MAP ENTRY     96    1410     102       41665       0     126     145152        0
     FPU_save_area    832     143      19         162       0      16     134784        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-32768  32768       3       1         123       0       1     131072        0
       malloc-1024   1024     118      10         272       0      16     131072        0
       mbuf_packet    256       1     507         129       0     254     130048        0
       S VFS Cache    104     998     172        1037       0     126     121680        0
          ksiginfo    112      56     988         110       0     126     116928        0
              PROC   1368      60      17         828       0       8     105336        0
      malloc-16384  16384       6       0           8       0       1      98304        0
       malloc-8192   8192      10       1          13       0       1      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
        128 Bucket   1024      41      42         237       0      16      84992        0
         malloc-64     64     939     384        9521       0     254      84672        0
        malloc-128    128     397     254        4619       0     126      83328        0
         filedesc0   1072      60      17         830       0       8      82544        0
       malloc-4096   4096      14       4         499       0       2      73728        0
         malloc-64     64     564     507        1641       0     254      68544        0
             g_bio    440       0     153        5380       0      30      67320        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-4096   4096      13       3          68       0       2      65536        0
         64 Bucket    512      66      62        1676       0      30      65536        0
        malloc-384    384     131      19         132       0      30      57600        0
       malloc-8192   8192       5       2          86       0       1      57344        0
         malloc-64     64       0     819         543       0     254      52416        0
        malloc-256    256     145      50         506       0      62      49920        0
        malloc-256    256     140      55         319       0      62      49920        0
         32 Bucket    256      58     137         367       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       12640       0      16      49152        0
       malloc-4096   4096      10       2          10       0       2      49152        0
       malloc-1024   1024       4      44         512       0      16      49152        0
          syncache    168       0     264           3       0     254      44352        0
            pcpu-8      8    4717     403        4873       0     254      40960        0
           VMSPACE    584      40      30         809       0      16      40880        0
              pipe    736      20      35         288       0      16      40480        0
         udp_inpcb    408       7      83         146       0      30      36720        0
         malloc-64     64      15     552       13319       0     254      36288        0
         malloc-64     64      72     495          72       0     254      36288        0
         malloc-64     64      13     554          74       0     254      36288        0
         malloc-64     64       9     558          29       0     254      36288        0
        malloc-128    128      31     248         111       0     126      35712        0
        malloc-128    128      31     248          40       0     126      35712        0
        malloc-128    128      17     262         140       0     126      35712        0
        malloc-128    128      97     182         468       0     126      35712        0
        malloc-128    128      89     190          91       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      47      88         517       0      62      34560        0
        malloc-256    256      31     104         114       0      62      34560        0
        malloc-256    256      20     115         356       0      62      34560        0
        malloc-256    256      35     100          35       0      62      34560        0
        malloc-256    256      53      82         120       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       3       1          29       0       1      32768        0
       malloc-4096   4096       4       4          84       0       2      32768        0
       malloc-2048   2048       4      12          16       0       8      32768        0
       malloc-2048   2048       6      10           6       0       8      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-2048   2048      10       6          34       0       8      32768        0
       malloc-1024   1024       3      29          46       0      16      32768        0
       malloc-1024   1024      15      17        1002       0      16      32768        0
       malloc-1024   1024      17      15          32       0      16      32768        0
       malloc-1024   1024      12      20          17       0      16      32768        0
       malloc-1024   1024       2      30           7       0      16      32768        0
        malloc-512    512      10      54          16       0      30      32768        0
        malloc-512    512       2      62          59       0      30      32768        0
        malloc-512    512       2      62          23       0      30      32768        0
        malloc-512    512       5      59           7       0      30      32768        0
           pcpu-64     64     503       9         503       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      26     238          37       0     126      31680        0
        sctp_laddr     48       0     588          12       0     254      28224        0
         malloc-32     32      32     850         502       0     254      28224        0
         16 Bucket    144      49     147         269       0      62      28224        0
          4 Bucket     48       6     582           7       0     254      28224        0
            da_ccb    544       0      49        1447       0      16      26656        0
         TURNSTILE    136     153      36         153       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
    ertt_txseginfo     40       0     606         147       0     254      24240        0
               PWD     40      20     586         101       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
             Files     80     187     113        6799       0     126      24000        0
          8 Bucket     80      44     256         306       0     126      24000        0
         tcp_inpcb   1304       8      10          10       0       8      23472        0
        malloc-384    384       2      58           3       0      30      23040        0
        malloc-384    384      11      49          11       0      30      23040        0
        malloc-384    384      39      21          41       0      30      23040        0
        malloc-384    384       2      58         359       0      30      23040        0
        malloc-384    384      24      36         333       0      30      23040        0
        malloc-384    384       7      53          31       0      30      23040        0
             ripcb    376       3      57           6       0      30      22560        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     153     103         153       0     126      22528        0
            clpbuf   2664       0       8          19       0       4      21312        0
         hostcache     64       1     314           1       0     254      20160        0
              ertt     72       8     272          10       0     126      20160        0
         malloc-32     32     251     379         348       0     254      20160        0
         malloc-32     32     154     476         342       0     254      20160        0
         malloc-32     32     181     449        1062       0     254      20160        0
         malloc-32     32      45     585        2936       0     254      20160        0
         malloc-32     32      97     533          99       0     254      20160        0
         malloc-32     32      25     605          69       0     254      20160        0
          2 Bucket     32      44     586         348       0     254      20160        0
              vmem   1856       2       7           2       0       8      16704        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       1       1          21       0       1      16384        0
       malloc-4096   4096       2       2         184       0       2      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-1024   1024       5      11           5       0      16      16384        0
        malloc-512    512       1      31         111       0      30      16384        0
        malloc-512    512      14      18          34       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
          rl_entry     48       1     335           2       0     254      16128        0
         malloc-16     16     561     439        4857       0     254      16000        0
               AIO    208       0      76           1       0      62      15808        0
              kenv    258      17      43        1067       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
     udplite_inpcb    408       1      35           1       0      30      14688        0
        SMR SHARED     24       8     503           8       0     254      12264        0
      vtnet_tx_hdr     24       0     501         634       0     254      12024        0
             KNOTE    160       1      74           9       0      62      12000        0
         malloc-16     16      12     738          95       0     254      12000        0
         malloc-16     16      40     710       26161       0     254      12000        0
         malloc-16     16      13     737          14       0     254      12000        0
         malloc-16     16      20     730          26       0     254      12000        0
       L VFS Cache    320       1      35           1       0      30      11520        0
            AIOLIO    272       0      42           1       0      30      11424        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           4       0       2       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
         malloc-16     16      22     478          22       0     254       8000        0
         malloc-16     16       2     498          10       0     254       8000        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    152       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
  pf fragment node     72       0       0           0       0     126          0        0
          pf frags    232       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
pf Ethernet anchors   1240       0       0           0       0      64          0        0
        pf anchors   1664       0       0           0       0      64          0        0
   pf UDP mappings    104       0       0           0       0     126          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    384       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
       tcp_bbr_pcb    896       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb   1088       0       0           0       0       8          0        0
      tcp_rack_map    128       0       0           0       0     126          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
   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
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2256       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
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          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    240       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    152       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    112       0       0           0       0     126          0        0
            skbuff   1808       0       0           0       0       8          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2664       0       0           0       0      16          0        0
           nfspbuf   2664       0       0           0       0       4          0        0
            swwbuf   2664       0       0           0       0       2          0        0
            swrbuf   2664       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    152       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl

Crashes (95):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/16 15:23 freebsd-src 52395203f9ac a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/16 07:20 freebsd-src 52395203f9ac a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/16 06:18 freebsd-src 52395203f9ac a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/15 20:31 freebsd-src 4bf8ce037dc8 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/15 12:49 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/15 11:12 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/15 10:04 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/15 03:05 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/15 02:02 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/14 14:29 freebsd-src 1dee2336ab44 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/14 09:27 freebsd-src 2f29d0f3e6d2 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/14 07:21 freebsd-src 2f29d0f3e6d2 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/14 02:44 freebsd-src 2f29d0f3e6d2 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/13 22:29 freebsd-src 2f29d0f3e6d2 a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/12 20:57 freebsd-src ef2d586d7efb a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/12 18:05 freebsd-src ef2d586d7efb a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/12 13:28 freebsd-src 8ac7a3801c6a a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/12 10:20 freebsd-src 8ac7a3801c6a a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/12 09:09 freebsd-src 8ac7a3801c6a a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/12 06:29 freebsd-src 8ac7a3801c6a a066d2bc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/11 05:25 freebsd-src a0347b0f3a60 48b27acc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/11 03:20 freebsd-src a0347b0f3a60 48b27acc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/10 13:57 freebsd-src cc1e4aae5a67 48b27acc console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/08 22:24 freebsd-src 3f10e5985044 fc20f974 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/06 16:46 freebsd-src ced74610217f cee4cb10 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/05 23:37 freebsd-src 27ff0bbcfd27 cee4cb10 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/04 23:59 freebsd-src a8b0208e7e98 cee4cb10 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/04 20:14 freebsd-src a8b0208e7e98 cee4cb10 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/04 18:43 freebsd-src a8b0208e7e98 cee4cb10 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/03 18:36 freebsd-src ef8a0ef2aa97 98d1f71f console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/02 09:52 freebsd-src 639e65144aa7 d4611817 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/02 04:49 freebsd-src 639e65144aa7 d4611817 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/12/01 23:02 freebsd-src 639e65144aa7 d4611817 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/30 09:33 freebsd-src 02b72b1540bf 01c07bfe console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/29 07:02 freebsd-src 3d91a746380e 01c07bfe console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/28 21:45 freebsd-src 6facc476f305 d1b870e1 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/28 06:11 freebsd-src a3b0902d7390 e8331348 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/27 11:04 freebsd-src 3e69618d4bfb e8331348 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/27 09:31 freebsd-src 3e69618d4bfb e8331348 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/26 05:30 freebsd-src 2b4dbad2db57 64219f15 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/23 14:35 freebsd-src 12ec49d8fac2 4fb8ef37 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/23 12:54 freebsd-src 12ec49d8fac2 4fb8ef37 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/22 02:20 freebsd-src a8740ba860bf 4fb8ef37 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/11/21 13:36 freebsd-src 8158b813d90f 52ed5c96 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
2025/05/02 02:52 freebsd-src 4e3a6fe0134e 51b137cd console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, StackMiddle(f2)
* Struck through repros no longer work on HEAD.