syzbot


panic: ASan: Invalid access, 4-byte read in sctp_sosend

Status: fixed on 2021/08/07 20:36
Reported-by: syzbot+35528f275f2eea6317cc@syzkaller.appspotmail.com
Fix commit: b732091a761a sctp: improve input validation of mapped addresses in send() Reported by: syzbot+35528f275f2eea6317cc@syzkaller.appspotmail.com Reported by: syzbot+ac29916d5f16d241553d@syzkaller.appspotmail.com MFC after: 3 days
First crash: 577d, last: 548d
duplicates (6):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(5) 70 577d 579d 0/2 closed as dup on 2021/07/10 00:24
panic: ASan: Invalid access, 4-byte read at ADDR, MallocRedZone(fb) 97 568d 579d 0/2 closed as dup on 2021/07/10 00:24
panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(6) 8 577d 578d 0/2 closed as dup on 2021/07/10 00:22
panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(4) 84 561d 579d 0/2 closed as dup on 2021/07/10 00:24
panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(1) 11 575d 578d 0/2 closed as dup on 2021/07/10 00:22
panic: ASan: Invalid access, 4-byte read at ADDR, RedZonePartial(7) 39 577d 579d 0/2 closed as dup on 2021/07/10 00:25

Sample crash report:
login: panic: ASan: Invalid access, 4-byte read at 0xfffffe0053d6be30, UMAUseAfterFree(fd)
cpuid = 1
time = 1625964374
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00576db050
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00576db1b0
vpanic() at vpanic+0x2c5/frame 0xfffffe00576db290
panic() at panic+0xb5/frame 0xfffffe00576db350
__asan_load4_noabort() at __asan_load4_noabort+0x20f/frame 0xfffffe00576db410
sctp_sosend() at sctp_sosend+0x7c9/frame 0xfffffe00576db6a0
sosend() at sosend+0x11e/frame 0xfffffe00576db710
kern_sendit() at kern_sendit+0x58d/frame 0xfffffe00576db880
sendit() at sendit+0x2b0/frame 0xfffffe00576db8d0
sys_sendmsg() at sys_sendmsg+0x17d/frame 0xfffffe00576db9f0
amd64_syscall() at amd64_syscall+0x425/frame 0xfffffe00576dbbf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00576dbbf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b42aa, rsp = 0x7fffdffdcf78, rbp = 0x7fffdffdcfb0 ---
KDB: enter: panic
[ thread pid 975 tid 100518 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f9c3a(%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         0x3334dc37bbfd0394
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe00576db190
rbp         0xfffffe00576db1b0
rsi                        0x1
rdi         0xffffffff840860c0  cov_trace_pc
r8                         0x3
r9          0xfffffe00576dace8
r10                          0
r11         0xfffffe0092548510
r12         0xfffffe0092548000
r13         0xfffffe00576db201
r14         0xffffffff82c427e0  .str.18
r15         0xffffffff82c427e0  .str.18
rip         0xffffffff8178edfb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28f9c3a(%rip)
db> show proc
Process 975 (syz-executor5129495) at 0xfffffe0091fa4000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 787 at 0xfffffe009202aa70
 ABI: FreeBSD ELF64
 flag: 0x10000080  flag2: 0
 arguments: ./syz-executor512949556
 reaper: 0xfffffe0053d51538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00925359f0
   (map 0xfffffe00925359f0)
   (map.pmap 0xfffffe0092535ab0)
   (pmap 0xfffffe0092535b10)
 threads: 3
100109                   Run     CPU 0                       syz-executor5129495
100517                   S       sbwait  0xfffffe0092556924  syz-executor5129495
100518                   Run     CPU 1                       syz-executor5129495
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  975   787   785     0  R       (threaded)                  syz-executor5129495
100109                   Run     CPU 0                       syz-executor5129495
100517                   S       sbwait  0xfffffe0092556924  syz-executor5129495
100518                   Run     CPU 1                       syz-executor5129495
  787   785   785     0  S       nanslp  0xffffffff84055901  syz-executor5129495
  785   783   785     0  Ss      pause   0xfffffe0091fa45e8  csh
  783   694   783     0  Ss      select  0xfffffe0092076540  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ee0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ee4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ee8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583eecb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583960b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583964b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583968b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058396cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84055900  cron
  694     1   694     0  Ss      select  0xfffffe008fa75340  sshd
  507     1   507     0  Ss      select  0xfffffe0091e5ed40  syslogd
  436     1   436     0  Ss      select  0xfffffe008fa756c0  devd
  435     1   435    65  Ss      select  0xfffffe008fa75540  dhclient
  350     1   350     0  Ss      select  0xfffffe008fa755c0  dhclient
  347     1   347     0  Ss      select  0xfffffe0091e5eb40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0056ab3000  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100084                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffffe008f8b7ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b1c80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a57b8  [dom0]
100085                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100086                   D       umarcl  0xffffffff81e7e640  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84abd460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84792d30  [pf purge]
   15     0     0     0  DL      -       0xffffffff84174dc0  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84174dc0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84174dc0  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84174dc0  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c92240  [doneq0]
100047                   D       -       0xffffffff83c921c0  [async]
100080                   D       -       0xffffffff83c92040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056aadc88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541abd80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541abd30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8419f860  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff84028ec0  [g_event]
100038                   D       -       0xffffffff84028f00  [g_up]
100039                   D       -       0xffffffff84028f40  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e16e00  [thr_0]
100029                   D       -       0xfffffe0053e16e80  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d51538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a0800  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84029dc0  [swapper]
100005                   D       -       0xfffffe0053c0d800  [softirq_0]
100006                   D       -       0xfffffe0053c0d600  [softirq_1]
100007                   D       -       0xfffffe0053c0d400  [if_io_tqg_0]
100008                   D       -       0xfffffe0053c0d200  [if_io_tqg_1]
100009                   D       -       0xfffffe0053c0d000  [if_config_tqg_0]
100012                   D       -       0xfffffe000791b500  [thread taskq]
100013                   D       -       0xfffffe000791b400  [inm_free taskq]
100015                   D       -       0xfffffe000791b200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe000791b100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe000791b000  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053df6a00  [firmware taskq]
100040                   D       -       0xfffffe0053df6900  [crypto_0]
100041                   D       -       0xfffffe0053df6900  [crypto_1]
100057                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100059                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056fc0380  [virtio_balloon]
100066                   D       -       0xfffffe0053df6300  [mca taskq]
100071                   D       -       0xffffffff82c49761  [deadlkres]
100076                   D       -       0xfffffe005838de00  [acpi_task_0]
100077                   D       -       0xfffffe005838de00  [acpi_task_1]
100078                   D       -       0xfffffe005838de00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
Process 975 (syz-executor5129495) thread 0xfffffe008fa74020 (100109)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff84078580) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_umtx.c:946
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          326         1304K          486
            newblk          654         1188K          717
          vfscache            3         1025K            3
               pcb           25          539K          451
          inodedep           13          517K           72
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          102          198K         1034
            acpica         1674          184K        54806
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          357          140K          385
              vmem            3          138K            4
           pagedep            7          130K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          112
               bus          986           80K         3469
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
              umtx          286           36K          286
           kdtrace          169           34K         1495
              temp           18           33K         1631
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          122           31K          132
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1684
            KTRACE          100           13K          100
              kenv           95           12K           95
      eventhandler          133           12K          133
            ifaddr           30           12K           32
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
         bmsafemap            1            8K           42
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           22            6K          244
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
            plimit           16            4K          338
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
             hhook           15            4K           17
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
          terminal           11            3K           11
            kqueue           44            3K          978
           pwddesc           44            3K          976
           session           19            3K           32
           uidinfo            3            3K            9
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K        13135
             lockf           16            2K           26
            Unitno           27            2K           39
           CAM XPT           22            2K          543
         proc-args           36            2K          495
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           14
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            4
             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
            diradd            5            1K           36
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          freefile            4            1K           26
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
         sctp_atcl            1            1K          187
    chacha20random            1            1K            1
               osd            7            1K           18
       inpcbpolicy           11            1K          324
          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
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K           49
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K         3636
          procdesc            1            1K            6
          pmchooks            1            1K            1
          nexusdev            7            1K            7
               tun            3            1K            3
          sctp_vrf            1            1K            1
          freework            1            1K           26
              vnet            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
               pmc            1            1K            1
         sctp_atky            1            1K          187
              cpus            2            1K            2
    vnet_data_free            1            1K            1
               iov            2            1K        14223
           Per-cpu            1            1K            1
         sctp_athm            1            1K          187
          p1003.1b            1            1K            1
          filecaps            1            1K           66
            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_timw            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
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
        cubic data            0            0K            0
        dctcp data            0            0K            0
         htcp data            0            0K            0
        vegas data            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
          cdg data            0            0K            0
            mqdata            0            0K            0
          chd data            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
     vm_fictitious            0            0K            0
            vtfont            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
           UMAHash            0            0K            0
            ata_da            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           24
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            5
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freeblks            0            0K           25
          freefrag            0            0K            1
        allocindir            0            0K            0
       allocdirect            0            0K            0
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           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
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        audit_pipe            0            0K            0
      audit_evname            0            0K            0
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            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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        MLX5EEPROM            0            0K            0
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         ipsec-reg            0            0K            0
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            ip6opt            0            0K            3
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             frag6            0            0K            0
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               LRO            0            0K            0
      newreno data            0            0K            0
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       ip_moptions            0            0K            0
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              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
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      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
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              zlib            0            0K            0
           fadvise            0            0K            0
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            twsbuf            0            0K            0
            statfs            0            0K          199
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            3
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      twa_commands            0            0K            0
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       SIIS driver            0            0K            0
           CAM CCB            0            0K         1879
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agtiapi_MemAlloc malloc            0            0K            0
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          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     987       14922       0     254   38121472        0
              mbuf    256    8578     992       18622       0     254    2449920        0
              pbuf   2624       0     794           0       0       2    2083456        0
          BUF TRIE    144     177   11583         564       0      62    1693440        0
        malloc-384    384    4178      12        4178       0      30    1608960        0
        malloc-128    128   11300      46       11380       0     126    1452288        0
       malloc-4096   4096     326       2         490       0       2    1343488        0
       UMA Slabs 0    112   10123      26       10123       0     126    1136688        0
         vmem btag     56   15152      87       15152       0     254     853384        0
         FFS inode   1160     486      32         513       0       8     600880        0
        RADIX NODE    144    2987     256       24835       0      62     466992        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
         malloc-64     64    4090     131       17449       0     254     270144        0
      malloc-65536  65536       4       0           4       0       1     262144        0
            THREAD   1808     124      19         518       0       8     258544        0
         VM OBJECT    264     858     102       15030       0      30     253440        0
        256 Bucket   2048     109      13       10893       0       8     249856        0
             VNODE    448     516      33         545       0      30     245952        0
         malloc-16     16   14031     469       14102       0     254     232000        0
       malloc-4096   4096      51       5        1515       0       2     229376        0
            DEVCTL   1024       0     220         125       0       0     225280        0
        malloc-256    256     743      67        1109       0      62     207360        0
      malloc-65536  65536       0       3         182       0       1     196608        0
         UMA Zones    768     242       2         242       0      16     187392        0
         malloc-32     32    5360     184        5528       0     254     177408        0
        malloc-128    128    1249      53       28954       0     126     166656        0
       FFS2 dinode    256     486      39         512       0      62     134400        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
        malloc-128    128    1001      22        2002       0     126     130944        0
          ksiginfo    112      41    1003          58       0     126     116928        0
         MAP ENTRY     96     777     441       41282       0     126     116928        0
       malloc-1024   1024     106       6         115       0      16     114688        0
       S VFS Cache    104     973      80        1012       0     126     109512        0
       malloc-2048   2048       7      43        1886       0       8     102400        0
      malloc-32768  32768       0       3         130       0       1      98304        0
      malloc-16384  16384       3       3         178       0       1      98304        0
          UMA Kegs    384     227       6         227       0      30      89472        0
       malloc-2048   2048       4      38         511       0       8      86016        0
           VMSPACE   2544      21      12         954       0       4      83952        0
              PROC   1336      43      14         975       0       8      76152        0
       malloc-8192   8192       6       3         135       0       1      73728        0
             g_bio    408       0     170        4924       0      30      69360        0
         filedesc0   1072      44      19         976       0       8      67536        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
        128 Bucket   1024      41      14         611       0      16      56320        0
       malloc-4096   4096      12       1          23       0       2      53248        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-1024   1024       8      36         516       0      16      45056        0
         malloc-64     64     556     137       16089       0     254      44352        0
        malloc-128    128     295      46         463       0     126      43648        0
        malloc-256    256     136      29         884       0      62      42240        0
         32 Bucket    256      47     118        6043       0      62      42240        0
            clpbuf   2624       0      16          25       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
        malloc-256    256     134      16         151       0      62      38400        0
        malloc-256    256     105      45         961       0      62      38400        0
            socket    944      20      20        1700       0     254      37760        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       12288       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
            pcpu-8      8    4228     380        4256       0     254      36864        0
      malloc-32768  32768       0       1           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
         64 Bucket    512      58       6        1266       0      30      32768        0
         malloc-64     64     478      26         690       0     254      32256        0
        malloc-384    384      74       6         103       0      30      30720        0
       malloc-1024   1024      13      15        1095       0      16      28672        0
       malloc-2048   2048       3       9         191       0       8      24576        0
         malloc-64     64      19     359         581       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128       7     179         261       0     126      23808        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      12      48          71       0      30      23040        0
         TURNSTILE    136     144      24         144       0      62      22848        0
       malloc-4096   4096       3       2         203       0       2      20480        0
       malloc-2048   2048       8       2         199       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
         malloc-32     32     282     348        4360       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        0
              pipe    744       6      19         286       0      16      18600        0
        SLEEPQUEUE     88     144      48         144       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2          85       0       2      16384        0
       malloc-2048   2048       4       4          81       0       8      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
    ertt_txseginfo     40       1     403         459       0     254      16160        0
         malloc-64     64     129     123        2052       0     254      16128        0
         malloc-32     32      23     481         747       0     254      16128        0
          8 Bucket     80      48     152         615       0     126      16000        0
           sctp_ep   1280       1      11         187       0     254      15360        0
        malloc-384    384      36       4          36       0      30      15360        0
        malloc-256    256      32      28         673       0      62      15360        0
             tcpcb   1080       3      11           7       0     254      15120        0
       malloc-2048   2048       3       3          12       0       8      12288        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512      10      14         196       0      30      12288        0
         malloc-64     64     146      43         149       0     254      12096        0
         malloc-32     32     140     238         250       0     254      12096        0
         16 Bucket    144      36      48         236       0      62      12096        0
             Files     80      69      81        6988       0     126      12000        0
         malloc-16     16     326     424         560       0     254      12000        0
         udp_inpcb    496       6      18         126       0     254      11904        0
        malloc-128    128      77      16         100       0     126      11904        0
              kenv    258      15      30        1026       0      30      11610        0
             unpcb    256       7      38        1172       0     254      11520        0
        malloc-384    384      19      11          21       0      30      11520        0
        malloc-256    256      14      31         137       0      62      11520        0
        malloc-256    256      15      30          74       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
       malloc-1024   1024       2       6          10       0      16       8192        0
       malloc-1024   1024       1       7          17       0      16       8192        0
        malloc-512    512       1      15           2       0      30       8192        0
        malloc-512    512       3      13          15       0      30       8192        0
        malloc-512    512       4      12           4       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      19      73          32       0     126       8096        0
          rl_entry     40      34     168          34       0     254       8080        0
             udpcb     32       7     245         313       0     254       8064        0
              ertt     72       3     109           7       0     126       8064        0
               PWD     32      10     242         102       0     254       8064        0
         malloc-64     64      11     115          60       0     254       8064        0
         malloc-64     64       7     119          12       0     254       8064        0
         malloc-32     32      42     210          92       0     254       8064        0
         malloc-32     32      17     235          41       0     254       8064        0
         malloc-32     32      38     214         740       0     254       8064        0
          4 Bucket     48       6     162          55       0     254       8064        0
          2 Bucket     32      47     205         501       0     254       8064        0
      vtnet_tx_hdr     24       0     334        2621       0     254       8016        0
         malloc-16     16       5     495          13       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      28     472       25657       0     254       8000        0
         malloc-16     16       9     491         218       0     254       8000        0
             ripcb    496       1      15           4       0     254       7936        0
     udplite_inpcb    496       1      15         187       0     254       7936        0
         tcp_inpcb    496       3      13           7       0     254       7936        0
        malloc-128    128      22      40          70       0     126       7936        0
        malloc-128    128      12      50          18       0     126       7936        0
     routing nhops    256      10      20          17       0      62       7680        0
       mbuf_packet    256       0      30          94       0     254       7680        0
        malloc-384    384       1      19         349       0      30       7680        0
        malloc-384    384       1      19         187       0      30       7680        0
        malloc-256    256      18      12         463       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       1       0           1       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       4       4           4       0      30       4096        0
        malloc-512    512       0       8           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       0      84           4       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
             KNOTE    160       0      25           8       0      62       4000        0
         malloc-16     16      12     238          15       0     254       4000        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       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    304       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    832       0       0           0       0      16          0        0
      tcp_rack_map    112       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
      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
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     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            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
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         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-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-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-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (518):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/07/11 00:53 freebsd-src 58080fbca09f 8f5a7b8c console log report syz C panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 19:36 freebsd-src c18c74a87c15 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 16:19 freebsd-src c18c74a87c15 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 14:13 freebsd-src c18c74a87c15 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 06:08 freebsd-src 362fef2f4a99 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 05:07 freebsd-src 362fef2f4a99 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 02:17 freebsd-src 362fef2f4a99 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/07 00:02 freebsd-src 362fef2f4a99 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 20:12 freebsd-src 362fef2f4a99 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 14:22 freebsd-src b3e87f133454 2f537099 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 12:22 freebsd-src b3e87f133454 2f537099 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 10:32 freebsd-src b3e87f133454 2f537099 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 02:55 freebsd-src 2694c869ff9f d2d6e680 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 01:33 freebsd-src 2694c869ff9f d2d6e680 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/06 00:25 freebsd-src 2694c869ff9f d2d6e680 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/05 15:39 freebsd-src f3a3b0612169 7f7bb950 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/04 14:45 freebsd-src e94f1a0a37fd 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/04 14:44 freebsd-src e94f1a0a37fd 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/04 13:10 freebsd-src e94f1a0a37fd 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/04 09:00 freebsd-src e94f1a0a37fd 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/04 06:11 freebsd-src 0fa5403d493b 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/04 01:05 freebsd-src 0fa5403d493b 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 16:17 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 15:08 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 13:50 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 11:27 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 08:32 freebsd-src 04cc0c393c31 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 03:30 freebsd-src 1b1bb6f17880 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 03:16 freebsd-src 1b1bb6f17880 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/03 01:54 freebsd-src 1b1bb6f17880 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 23:34 freebsd-src 1b1bb6f17880 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 22:13 freebsd-src 1b1bb6f17880 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 13:33 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 12:18 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 10:53 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 09:47 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 09:11 freebsd-src 56be282bc999 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/02 00:08 freebsd-src 60fb9e10c74c 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/01 22:44 freebsd-src 60fb9e10c74c 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/08/01 19:05 freebsd-src 60fb9e10c74c 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-main 2021/07/09 23:49 freebsd-src 105b68b42dd1 8f5a7b8c console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-i386 2021/08/07 18:31 freebsd-src c18c74a87c15 6972b106 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-i386 2021/08/06 16:00 freebsd-src b3e87f133454 2f537099 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-i386 2021/08/05 01:51 freebsd-src 21d854658801 b97d64c9 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-i386 2021/08/04 03:20 freebsd-src 30e1773fdef4 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-i386 2021/08/01 21:38 freebsd-src 99feb137f5f6 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
ci-freebsd-i386 2021/08/01 20:19 freebsd-src 99feb137f5f6 6c236867 console log report panic: ASan: Invalid access, 4-byte read in sctp_sosend
* Struck through repros no longer work on HEAD.