panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)

Status: fixed on 2022/04/16 01:19
Reported-by: syzbot+b9ef06efdae7cb9ee414@syzkaller.appspotmail.com
Fix commit: eeba22217217 sctp: don't keep a pointer to a freed stcb around
First crash: 1687d, last: 1567d
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd) (2) 2 syz, C 7 1563d 1565d 2/2 fixed on 2022/04/19 22:30
freebsd panic: ASan: Invalid access, 8-byte read at ADDR, UMAUseAfterFree(fd) 2 88 1847d 1849d 0/2 auto-closed as invalid on 2021/09/07 18:42
freebsd panic: ASan: Invalid access, 4-byte read at ADDR, UMAUseAfterFree(fd) 2 300 1820d 1849d 0/2 auto-closed as invalid on 2021/10/04 10:41
freebsd panic: ASan: Invalid access, 2-byte read at ADDR, UMAUseAfterFree(fd) 2 syz, C 1103 1687d 1848d 2/2 fixed on 2021/12/17 02:33
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd) (4) 2 syz, C 1764 191d 1503d 0/2 upstream: reported C repro on 2022/06/18 22:38
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd) (3) 2 syz, C 58 1508d 1561d 0/2 closed as invalid on 2022/06/13 20:33

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe0058c39bf8, UMAUseAfterFree(fd)
cpuid = 1
time = 1643720295
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00540046d0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0054004830
vpanic() at vpanic+0x2b8/frame 0xfffffe0054004910
panic() at panic+0xb5/frame 0xfffffe00540049e0
kasan_report() at kasan_report+0xdc/frame 0xfffffe0054004ab0
sctp_med_chunk_output() at sctp_med_chunk_output+0x552/frame 0xfffffe0054005660
sctp_chunk_output() at sctp_chunk_output+0x26f1/frame 0xfffffe00540062b0
sctp_process_control() at sctp_process_control+0x3500/frame 0xfffffe0054006780
sctp_common_input_processing() at sctp_common_input_processing+0xb35/frame 0xfffffe00540069e0
sctp_input_with_port() at sctp_input_with_port+0x57d/frame 0xfffffe0054006b70
sctp_input() at sctp_input+0x32/frame 0xfffffe0054006b90
ip_input() at ip_input+0x826/frame 0xfffffe0054006cf0
swi_net() at swi_net+0x2f0/frame 0xfffffe0054006d90
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe0054006ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0054006f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0054006f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100029 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x27073ba(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0x80b9f5b18398a172
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0054004810
rbp         0xfffffe0054004830
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11                          0
r12         0xfffffe0053eebac0
r13         0xfffffe0054004801
r14         0xffffffff82b92be0  .str.18
r15         0xffffffff82b92be0  .str.18
rip         0xffffffff81763f5b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x27073ba(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053def548:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83e0eb80
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83e0eb80 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff83e0fb20
   (map 0xffffffff83e0fb20)
   (map.pmap 0xffffffff83e0fbe0)
   (pmap 0xffffffff83e0fc48)
 threads: 21
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100029                   Run     CPU 1                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi3: busdma]
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]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2593   779   777     0  RE      CPU 0                       syz-executor3999139
  779   777   777     0  S       nanslp  0xffffffff83e38a01  syz-executor3999139
  777   775   777     0  Ss      pause   0xfffffe0092d8fb40  csh
  775   688   775     0  Ss      select  0xfffffe0053c9ebc0  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00574f80b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00586d60b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00586d68b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe005794e0b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe0053f8d8b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe005794e8b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe005794f0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005794f8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00579500b0  getty
  744     1    18     0  S+      piperd  0xfffffe0058b8b000  logger
  743   742    18     0  S+      nanslp  0xffffffff83e38a00  sleep
  742     1    18     0  S+      wait    0xfffffe0058d3a000  sh
  692     1   692     0  Ss      nanslp  0xffffffff83e38a00  cron
  688     1   688     0  Ss      select  0xfffffe0053c9f1c0  sshd
  501     1   501     0  Ss      select  0xfffffe0053c9f9c0  syslogd
  430     1   430     0  Ss      select  0xfffffe0053f5cac0  devd
  429     1   429    65  Ss      select  0xfffffe0053c9fac0  dhclient
  344     1   344     0  Ss      select  0xfffffe0053f5c340  dhclient
  341     1   341     0  Ss      select  0xfffffe0053f5ca40  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe0053deea90  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff83f5e200  [syncer]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       psleep  0xffffffff83f5c7e0  [bufdaemon]
100079                   D       -       0xffffffff83211f80  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe0058a1dce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83f8fd80  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83f83c38  [dom0]
100080                   D       launds  0xffffffff83f83c44  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e8d690  [uma]
    7     0     0     0  DL      -       0xffffffff83bf4988  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84580530  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8485e4a0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83a968c0  [doneq0]
100046                   D       -       0xffffffff83a96840  [async]
100075                   D       -       0xffffffff83a966c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056f52c88  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83f7f480  [crypto]
100042                   D       crypto_ 0xfffffe0053f23d30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053f23d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83e0e140  [g_event]
100037                   D       -       0xffffffff83e0e160  [g_up]
100038                   D       -       0xffffffff83e0e180  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100030                   I                                   [clock (0)]
100031                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100029                   Run     CPU 1                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi3: busdma]
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    0xfffffe0053df0000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f7ff60  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e0eb80  [swapper]
100005                   D       -       0xfffffe0053c9a800  [softirq_0]
100006                   D       -       0xfffffe0053c9a600  [softirq_1]
100007                   D       -       0xfffffe0053c9a400  [if_io_tqg_0]
100008                   D       -       0xfffffe0053c9a200  [if_io_tqg_1]
100009                   D       -       0xfffffe0053c9a000  [if_config_tqg_0]
100010                   D       -       0xfffffe000818f000  [deferred_unmount ta]
100011                   D       -       0xfffffe000818ee00  [thread taskq]
100013                   D       -       0xfffffe000818ec00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe000818eb00  [pci_hp taskq]
100017                   D       -       0xfffffe000818e800  [aiod_kick taskq]
100018                   D       -       0xfffffe000818e700  [linuxkpi_irq_wq]
100019                   D       -       0xfffffe000818e600  [inm_free taskq]
100020                   D       -       0xfffffe000818e500  [in6m_free taskq]
100021                   D       -       0xfffffe000818e400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe000818e400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe000818e400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe000818e400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe000818e300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe000818e300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe000818e300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe000818e300  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0053f59300  [firmware taskq]
100039                   D       -       0xfffffe0053f59100  [crypto_0]
100040                   D       -       0xfffffe0053f59100  [crypto_1]
100056                   D       -       0xfffffe000818fc00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe000818fb00  [vtnet0 txq 0]
100058                   D       -       0xfffffe000818fa00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe000818f900  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057092680  [virtio_balloon]
100065                   D       -       0xffffffff82b986c0  [deadlkres]
100069                   D       -       0xfffffe000818f100  [mca taskq]
100070                   D       -       0xfffffe00574f0900  [acpi_task_0]
100071                   D       -       0xfffffe00574f0900  [acpi_task_1]
100072                   D       -       0xfffffe00574f0900  [acpi_task_2]
100074                   D       -       0xfffffe0053f58e00  [CAM taskq]
db> show all locks
Process 2593 (syz-executor3999139) thread 0xfffffe0090117c80 (100116)
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe0007782e00) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8393
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe00929edb20) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8305
Process 12 (intr) thread 0xfffffe0053eebac0 (100029)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0092fa5c70) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1526
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            6         4801K            6
            devbuf         4213         4323K         4238
         sysctloid        35454         2089K        35525
             vtbuf           24         1968K           46
              kobj          326         1304K          487
            newblk          680         1194K          719
          vfscache            3         1025K            3
               pcb           21          539K         3666
          inodedep           17          518K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc           99          186K         2652
            acpica         1674          184K        56376
         vnet_data            1          168K            1
           tidhash            3          141K            3
              vmem            3          138K            4
            linker          357          134K          385
           pagedep            8          130K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
               bus          984           81K         3437
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          511           64K          511
         sctp_timw          137           35K          137
              temp           17           33K         1606
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          158           32K         2711
            DEVFS3          124           31K          134
              umtx          242           31K          242
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           93           15K           93
            bus-sc           34           15K         1651
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          133           12K          133
            ifaddr           30           12K           32
              GEOM           61           11K          490
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              rman           84           10K          425
              cred           36            9K          234
         bmsafemap            3            9K           41
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
       ufs_dirhash           24            5K           24
               UMA          272            5K          272
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
          filedesc            1            4K            1
             evdev            4            4K            4
           acpisem           28            4K           28
             hhook           15            4K           17
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
            kqueue           41            3K         2596
           session           20            3K           31
           pwddesc           40            3K         2594
           uidinfo            3            3K            8
         proc-args           63            3K         3534
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           27            2K        34603
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
         sctp_atcl            3            2K         3855
               msi            9            2K            9
             clone            9            2K            9
         sctp_stro            1            1K         1814
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
            diradd            7            1K           36
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         sctp_stri            1            1K          453
         newdirblk            4            1K            8
             mkdir            4            1K           16
          freefile            4            1K           22
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
               osd            7            1K           18
       inpcbpolicy           10            1K          139
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
         sctp_atky            4            1K         5895
           tcpfunc            3            1K            3
            CC Mem            3            1K            7
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
            soname            4            1K         7099
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
               pmc            1            1K            1
          acpiintr            1            1K            1
         sctp_athm            3            1K         4081
          sctp_map            2            1K         3628
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
            mqdata            0            0K            0
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         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            4
         sctp_aadr            0            0K            0
          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
           filemon            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
               ixl            0            0K            0
        NEWNFSnode            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
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
          xen_intr            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
            DEVFS4            0            0K            0
              isci            0            0K            0
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           jblocks            0            0K            0
          savedino            0            0K           17
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             sbdep            0            0K            3
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ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       15197       0     254   38494208        0
              mbuf    256    8588    1075       41845       0     254    2473728        0
              pbuf   2624       0     794           0       0       2    2083456        0
          BUF TRIE    144     178   11610         526       0      62    1697472        0
        malloc-384    384    4117      53        4118       0      30    1601280        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
       malloc-4096   4096     374       4        3088       0       2    1548288        0
        malloc-128    128   11916      81       12001       0     126    1535616        0
       UMA Slabs 0    112   10710      12       10710       0     126    1200864        0
         sctp_asoc   2288       1     509        1814       0     254    1166880        0
         vmem btag     56   16708      35       16708       0     254     937608        0
           sctp_ep   1208       1     509        1814       0     254     616080        0
         FFS inode   1160     486      32         508       0       8     600880        0
        sctp_raddr    736       3     767        2268       0     254     566720        0
             tcpcb   1096       3     508           7       0     254     560056        0
        RADIX NODE    144    3366     185       38152       0      62     511344        0
            socket    960      18     490        3149       0     254     487680        0
         VM OBJECT    264    1416     114       38948       0      30     403920        0
          lkpicurr    168       2    2350           2       0      62     395136        0
            lkpimm    168       1    2327           1       0      62     391104        0
        256 Bucket   2048     152      10        1083       0       8     331776        0
         malloc-64     64    4318     281        4516       0     254     294336        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-65536  65536       1       3         137       0       1     262144        0
             VNODE    448     516      60         540       0      30     258048        0
         malloc-16     16   14847     403       16087       0     254     244000        0
        malloc-256    256     893      37        1759       0      62     238080        0
            DEVCTL   1024       0     220         126       0       0     225280        0
            THREAD   1808     116       5         116       0       8     218768        0
       mbuf_packet    256       2     760        3410       0     254     195072        0
         MAP ENTRY     96    1580     436      120589       0     126     193536        0
         UMA Zones    768     244       0         244       0      16     187392        0
         malloc-32     32    5398     272        6157       0     254     181440        0
        malloc-128    128    1166     229       26281       0     126     178560        0
      malloc-32768  32768       1       4         121       0       1     163840        0
       malloc-1024   1024     122      22         131       0      16     147456        0
       FFS2 dinode    256     486      84         508       0      62     145920        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          46       0       1     131072        0
             unpcb    256       7     503        1179       0     254     130560        0
       S VFS Cache    104     966     204        1007       0     126     121680        0
          ksiginfo    112      40    1004          56       0     126     116928        0
        malloc-128    128     642     257        4265       0     126     115072        0
     FPU_save_area    832     118      17         131       0      16     112320        0
        malloc-256    256     325      50         925       0      62      96000        0
          UMA Kegs    384     230       3         230       0      30      89472        0
        128 Bucket   1024      45      38         735       0      16      84992        0
           VMSPACE   2552      24       9        2578       0       4      84216        0
       malloc-2048   2048       5      35        1050       0       8      81920        0
        sctp_chunk    152       1     519         679       0     254      79040        0
              PROC   1352      40      17        2593       0       8      77064        0
         filedesc0   1072      40      30        2594       0       8      75040        0
             g_bio    408       0     180        4732       0      30      73440        0
         64 Bucket    512      68      68        2635       0      30      69632        0
         malloc-64     64     515     556        1612       0     254      68544        0
        malloc-128    128     323     204         835       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
       malloc-8192   8192       6       2         107       0       1      65536        0
       malloc-2048   2048       9      23        1822       0       8      65536        0
         32 Bucket    256      63     192        3278       0      62      65280        0
       malloc-4096   4096      12       2          26       0       2      57344        0
         malloc-64     64     100     719        7522       0     254      52416        0
        malloc-256    256      24     171        1837       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       12233       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
      malloc-16384  16384       2       1          17       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-1024   1024       6      42         555       0      16      49152        0
       malloc-1024   1024      13      35        1834       0      16      49152        0
        malloc-512    512       9      87         462       0      30      49152        0
        malloc-384    384      35      85        3970       0      30      46080        0
        malloc-384    384      92      28          94       0      30      46080        0
          syncache    168       0     264           5       0     254      44352        0
            clpbuf   2624       0      16          25       0      16      41984        0
       malloc-8192   8192       3       2          31       0       1      40960        0
       malloc-4096   4096       7       3           9       0       2      40960        0
          4 Bucket     48       6     834         450       0     254      40320        0
       Mountpoints   2752       2      12           2       0       4      38528        0
         udp_inpcb    424       6      84         128       0      30      38160        0
            da_ccb    544       0      70        1308       0      16      38080        0
              pipe    744       7      43         284       0      16      37200        0
            pcpu-8      8    4253     355        4281       0     254      36864        0
         malloc-64     64      55     512         314       0     254      36288        0
         malloc-64     64      39     528       13366       0     254      36288        0
         malloc-64     64      80     487       37742       0     254      36288        0
         malloc-64     64     315     252         324       0     254      36288        0
         malloc-64     64      34     533          53       0     254      36288        0
        malloc-128    128      19     260          93       0     126      35712        0
        malloc-128    128      97     182         587       0     126      35712        0
        malloc-128    128      46     233         151       0     126      35712        0
        malloc-128    128      91     188          98       0     126      35712        0
     routing nhops    256      10     125          17       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      52      38          52       0      30      34560        0
        malloc-256    256      12     123          40       0      62      34560        0
        malloc-256    256      16     119         311       0      62      34560        0
        malloc-256    256      42      93         510       0      62      34560        0
        malloc-256    256      11     124         317       0      62      34560        0
        malloc-256    256      61      74         106       0      62      34560        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         160       0       1      32768        0
       malloc-2048   2048       5      11           5       0       8      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-2048   2048       6      10          15       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-2048   2048       2      14          26       0       8      32768        0
       malloc-1024   1024      14      18          15       0      16      32768        0
       malloc-1024   1024       5      27         174       0      16      32768        0
       malloc-1024   1024       8      24           8       0      16      32768        0
       malloc-1024   1024       1      31         869       0      16      32768        0
        malloc-512    512       5      59          54       0      30      32768        0
        malloc-512    512       0      64           9       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
          8 Bucket     80      44     356         437       0     126      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         malloc-32     32      29     853        1994       0     254      28224        0
         malloc-32     32      44     838        3687       0     254      28224        0
         16 Bucket    144      48     148         264       0      62      28224        0
         tcp_inpcb    424       3      60           7       0      30      26712        0
         TURNSTILE    136     122      67         122       0      62      25704        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       2       4         820       0       2      24576        0
           rtentry    176      13     125          17       0      62      24288        0
              PGRP     88      20     256          31       0     126      24288        0
    ertt_txseginfo     40       0     606        2058       0     254      24240        0
          rl_entry     40      31     575          31       0     254      24240        0
             Files     80      71     229        8395       0     126      24000        0
        malloc-384    384       2      58           2       0      30      23040        0
        SLEEPQUEUE     88     122     134         122       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         128       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
               PWD     32      10     620         100       0     254      20160        0
         malloc-32     32     118     512         172       0     254      20160        0
         malloc-32     32      24     606        4232       0     254      20160        0
         malloc-32     32      67     563         225       0     254      20160        0
         malloc-32     32     269     361        3087       0     254      20160        0
         malloc-32     32      28     602        1071       0     254      20160        0
          2 Bucket     32      50     580         298       0     254      20160        0
             KNOTE    160       0     125           8       0      62      20000        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       4       0           6       0       2      16384        0
       malloc-2048   2048       2       6         193       0       8      16384        0
       malloc-1024   1024       0      16           3       0      16      16384        0
        malloc-512    512       3      29           3       0      30      16384        0
        malloc-512    512       2      30         129       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
         malloc-16     16      23     977        4112       0     254      16000        0
         malloc-16     16      13     987        3688       0     254      16000        0
              kenv    258      15      45        1029       0      30      15480        0
             ripcb    424       1      35           4       0      30      15264        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
   tcp_inpcb ports     32       1     377           1       0     254      12096        0
         malloc-16     16      39     711        1291       0     254      12000        0
         malloc-16     16      16     734         161       0     254      12000        0
         malloc-16     16      33     717         230       0     254      12000        0
         malloc-16     16      36     714          51       0     254      12000        0
         malloc-16     16     274     476       25897       0     254      12000        0
        malloc-384    384      20      10         360       0      30      11520        0
        malloc-384    384       1      29           2       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
      vtnet_tx_hdr     24       0     334        3515       0     254       8016        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      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_rack_pcb    896       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
               ipq     56       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     72       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       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
       ripcb ports     32       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    424       0       0           0       0      30          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       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
        TMPFS node    224       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
       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     32       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
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-4096   4096       0       0           0       0       2          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
db>

Crashes (515):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/02/01 13:00 freebsd-src 303d3ae7e841 c1c1631d console log report syz C ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2021/12/19 01:56 freebsd-src 1c04cf7d5415 44068e19 console log report syz ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2021/12/18 07:55 freebsd-src 33d56e57ece8 44068e19 console log report syz ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/15 22:33 freebsd-src 068fc057458f 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/15 14:16 freebsd-src 068fc057458f 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/15 07:15 freebsd-src 6edfc10ca5fb 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/14 16:55 freebsd-src 239170f29210 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/14 15:43 freebsd-src 239170f29210 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/13 20:25 freebsd-src 595ac4a11893 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/13 13:26 freebsd-src 660c1892d5c9 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/12 20:00 freebsd-src bd1eafcdd02a 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/12 04:57 freebsd-src 94cb21cda66b 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/11 09:34 freebsd-src d4e8207317ca 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/10 16:24 freebsd-src c79331a42c30 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/10 01:11 freebsd-src a3214fbe7fff 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/09 20:38 freebsd-src a3214fbe7fff 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 12:06 freebsd-src 0c348b97eb05 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 11:00 freebsd-src 0c348b97eb05 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 07:22 freebsd-src 0c348b97eb05 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/07 01:03 freebsd-src 4710aa248bcd 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/06 14:49 freebsd-src 40b97c41bc77 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/06 11:54 freebsd-src 40b97c41bc77 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/06 09:58 freebsd-src 40b97c41bc77 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/06 08:59 freebsd-src 40b97c41bc77 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/06 07:58 freebsd-src 393b7606f9c1 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/06 02:38 freebsd-src 393b7606f9c1 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/05 20:48 freebsd-src 393b7606f9c1 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/04 04:54 freebsd-src 50e244964e9b 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/04 03:34 freebsd-src 50e244964e9b 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/03 14:32 freebsd-src 88b3e65fcff2 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/02 09:56 freebsd-src 669d5ea4e3a5 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/02 07:13 freebsd-src c4a08ef2af6f 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/02 04:03 freebsd-src c4a08ef2af6f 7c337266 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/15 01:15 freebsd-src 6edfc10ca5fb 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/14 13:30 freebsd-src 1346766f60ad 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/13 18:10 freebsd-src 9ab4dfce8fed 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/13 16:16 freebsd-src 660c1892d5c9 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/13 14:47 freebsd-src 660c1892d5c9 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/11 12:39 freebsd-src 567378cc0796 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/09 09:08 freebsd-src 0d46a96abffe 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 22:21 freebsd-src 70068a3e1d7a 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 17:52 freebsd-src 70068a3e1d7a 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 15:29 freebsd-src 70068a3e1d7a 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/08 06:13 freebsd-src 0c348b97eb05 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/05 16:32 freebsd-src f3f6e0ebe9ec 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/05 02:04 freebsd-src 6e5d01124fd4 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/04 22:54 freebsd-src 6e5d01124fd4 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/04 00:51 freebsd-src 88b3e65fcff2 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2022/04/02 18:39 freebsd-src 5c49e1cbea1b 7c337266 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
2021/12/17 02:59 freebsd-src d8b45c8e14c5 44068e19 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
* Struck through repros no longer work on HEAD.