syzbot


panic: vtnet_txq_offload_ctx: mbuf ADDR start NUM offset NUM proto -NUM

Status: fixed on 2024/01/02 12:08
Reported-by: syzbot+618d4f014f60c0bd06b4@syzkaller.appspotmail.com
Fix commit: 7df9da47e8f0 Fix udp IPv4-mapped address
First crash: 212d, last: 203d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: vtnet_txq_offload_ctx: mbuf ADDR start NUM offset NUM proto -NUM (2) C 70 41d 86d 0/2 upstream: reported C repro on 2024/03/29 19:07

Sample crash report:
panic: vtnet_txq_offload_ctx: mbuf 0xfffffe006b13a700 start 14 offset 14 proto -1
cpuid = 1
time = 1701711765
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0007b4d8b0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0007b4da10
vpanic() at vpanic+0x271/frame 0xfffffe0007b4dbb0
panic() at panic+0xb5/frame 0xfffffe0007b4dc70
vtnet_txq_encap() at vtnet_txq_encap+0xa93/frame 0xfffffe0007b4ddf0
vtnet_txq_mq_start_locked() at vtnet_txq_mq_start_locked+0x2e0/frame 0xfffffe0007b4def0
vtnet_txq_mq_start() at vtnet_txq_mq_start+0xd9/frame 0xfffffe0007b4df30
ether_output_frame() at ether_output_frame+0x37d/frame 0xfffffe0007b4e010
ether_output() at ether_output+0x1234/frame 0xfffffe0007b4e180
ip_output_send() at ip_output_send+0x301/frame 0xfffffe0007b4e1f0
ip_output() at ip_output+0x2ba9/frame 0xfffffe0007b4e3f0
udp_send() at udp_send+0x1a0b/frame 0xfffffe0007b4e630
udp6_send() at udp6_send+0x613/frame 0xfffffe0007b4e920
sosend_dgram() at sosend_dgram+0x68b/frame 0xfffffe0007b4e9a0
sousrsend() at sousrsend+0x116/frame 0xfffffe0007b4ea30
kern_sendit() at kern_sendit+0x5a2/frame 0xfffffe0007b4eba0
sendit() at sendit+0x157/frame 0xfffffe0007b4ebf0
sys_sendto() at sys_sendto+0x181/frame 0xfffffe0007b4ed10
amd64_syscall() at amd64_syscall+0x47a/frame 0xfffffe0007b4ef30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0007b4ef30
--- syscall (0, FreeBSD ELF64, syscall), rip = 0x233e7a, rsp = 0x8209ddb28, rbp = 0x8209ddb40 ---
KDB: enter: panic
[ thread pid 773 tid 100090 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x21936a7(%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         0xfffffe00033eee30
rdx         0xdffff7c000000000
rbx         0xffffffff826edac0  .str.28
rsp         0xfffffe0007b4d9f0
rbp         0xfffffe0007b4da10
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                        0x1
r11                          0
r12                          0
r13         0xfffffe00574fa000
r14         0xffffffff826edac0  .str.28
r15                          0
rip         0xffffffff815c796e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x21936a7(%rip)
db> show proc
Process 773 (syz-executor3888236) at 0xfffffe00542515c0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 771 at 0xfffffe0058d56560
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: ./syz-executor3888236081
 reaper: 0xfffffe0054250040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0054256c08
   (map 0xfffffe0054256c08)
   (map.pmap 0xfffffe0054256cc8)
   (pmap 0xfffffe0054256d38)
 threads: 1
100090                   Run     CPU 1                       syz-executor3888236
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  773   771   771     0  R       CPU 1                       syz-executor3888236
  771   769   771     0  Ss      pause   0xfffffe0058d56610  csh
  769   682   769     0  Ss      select  0xfffffe0007876bc0  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe00574f48b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00543970b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005750bcb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005750c4b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe005750ccb0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00543978b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00543980b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00543988b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00543990b0  getty
  738     1    18     0  S+      piperd  0xfffffe0058adc6c0  logger
  737   736    18     0  S+      nanslp  0xffffffff8373c3c0  sleep
  736     1    18     0  S+      wait    0xfffffe0054250b00  sh
  686     1   686     0  Ss      nanslp  0xffffffff8373c3c1  cron
  682     1   682     0  Ss      select  0xfffffe0007877840  sshd
  495     1   495     0  Ss      select  0xfffffe00078773c0  syslogd
  424     1   424     0  Ss      select  0xfffffe00579220c0  devd
  423     1   423    65  Ss      select  0xfffffe0057921840  dhclient
  338     1   338     0  Ss      select  0xfffffe0007877940  dhclient
  335     1   335     0  Ss      select  0xfffffe0007877ec0  dhclient
   17     0     0     0  DL      syncer  0xffffffff83859b20  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe005720e040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83858100  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe0058ba8ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff838cad40  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff838b2bb8  [dom0]
100080                   D       launds  0xffffffff838b2bc4  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d5a6d0  [uma]
    7     0     0     0  DL      -       0xffffffff834b9c10  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84575a30  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff842484e0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83484340  [doneq0]
100045                   D       -       0xffffffff834842c0  [async]
100076                   D       -       0xffffffff83484140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff838ae3e0  [crypto]
100042                   D       crypto_ 0xfffffe00571b2030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe00571b2080  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00085f4488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836e4d20  [g_event]
100036                   D       -       0xffffffff836e4d40  [g_up]
100037                   D       -       0xffffffff836e4d60  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   Run     CPU 0                       [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0054250040  [init]
   10     0     0     0  DL      audit_w 0xffffffff838aee40  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836e5700  [swapper]
100005                   D       -       0xfffffe0054270000  [softirq_0]
100006                   D       -       0xfffffe005426fe00  [softirq_1]
100007                   D       -       0xfffffe005426fd00  [if_io_tqg_0]
100008                   D       -       0xfffffe005426fc00  [if_io_tqg_1]
100009                   D       -       0xfffffe005426fb00  [if_config_tqg_0]
100010                   D       -       0xfffffe00085fa000  [pci_hp taskq]
100011                   D       -       0xfffffe00085f9e00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00085f9b00  [thread taskq]
100016                   D       -       0xfffffe00085f9900  [aiod_kick taskq]
100017                   D       -       0xfffffe00085f9800  [deferred_unmount ta]
100018                   D       -       0xfffffe00085f9700  [inm_free taskq]
100019                   D       -       0xfffffe00085f9600  [in6m_free taskq]
100020                   D       -       0xfffffe00085f9500  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00085f9400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085f9400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085f9400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085f9400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00085f9100  [firmware taskq]
100039                   D       -       0xfffffe00085f8e00  [crypto_0]
100040                   D       -       0xfffffe00085f8e00  [crypto_1]
100055                   D       -       0xfffffe0057293e00  [vtnet0 rxq 0]
100056                   D       -       0xfffffe0057293d00  [vtnet0 txq 0]
100057                   D       -       0xfffffe0057293c00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe0057293b00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0007dd7e00  [virtio_balloon]
100066                   D       -       0xffffffff826f2d21  [deadlkres]
100070                   D       -       0xfffffe005798ec00  [acpi_task_0]
100071                   D       -       0xfffffe005798ec00  [acpi_task_1]
100072                   D       -       0xfffffe005798ec00  [acpi_task_2]
100074                   D       -       0xfffffe00085fa100  [mca taskq]
100075                   D       -       0xfffffe00085f8c00  [CAM taskq]
db> show all locks
Process 773 (syz-executor3888236) thread 0xfffffe00574fa000 (100090)
exclusive sleep mutex vtnet0-tx1 (vtnet0-tx1) r = 0 (0xfffffe0007db4b00) locked @ /syzkaller/managers/main/kernel/sys/dev/virtio/network/if_vtnet.c:2746
exclusive rw udpinp (udpinp) r = 0 (0xfffffe0058b888e0) locked @ /syzkaller/managers/main/kernel/sys/netinet/udp_usrreq.c:1103
Process 12 (intr) thread 0xfffffe0054316740 (100031)
shared rm in6_ifaddr_lock (in6_ifaddr_lock) r = 0 (0xffffffff8387fe00) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6.c:1616
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4217
         sysctloid        34934         2059K        35005
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk          829         1231K          841
          vfscache            3         1025K            3
               pcb           23          669K           42
          inodedep           49          530K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         vnet_data            2          224K            2
          acpitask            1          224K            1
           subproc          107          186K          841
            acpica         1674          184K        60830
           tidhash            3          141K            3
              vmem            3          134K            4
           pagedep           14          132K           18
            linker          352          130K          386
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
        gtaskqueue           18           98K           18
               bus          985           81K         5155
          mtx_pool            2           72K            2
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          512           64K          512
       ddb_capture            1           64K            1
              temp           18           37K         1566
           kdtrace          161           33K          895
         hostcache            1           32K            1
               shm            1           32K            1
              umtx          256           32K          256
            DEVFS3          124           31K          134
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1687
      eventhandler          161           14K          161
            KTRACE          100           13K          100
              kenv           95           12K           95
            ifaddr           30           12K           32
              GEOM           61           11K          481
          routetbl           50           11K          176
              rman           86           11K          429
         CAM queue            5           11K         1528
         bmsafemap            4            9K           40
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          238            8K          300
         taskqueue           63            7K           63
            sglist            6            7K            6
           CAM DEV            3            6K          510
              cred           23            6K          274
         pfs_nodes           20            5K           20
             hhook           15            5K           17
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
            dirrem           17            5K           28
            plimit           17            5K          322
             ifnet            3            5K            3
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
          filedesc            1            4K            1
             evdev            4            4K            4
           acpisem           28            4K           28
       ether_multi           40            4K           50
            diradd           25            4K           36
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
           session           20            3K           31
            kqueue           40            3K          776
           pwddesc           40            3K          774
             clone            9            3K            9
           uidinfo            3            3K            8
         proc-args           62            3K         1696
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K        12723
            Unitno           27            2K           41
           CAM XPT           22            2K          543
             lockf           15            2K           22
               msi           12            2K           12
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
            select            7            1K           29
        CAM periph            4            1K          271
             ipsec            3            1K            3
          indirdep            3            1K            3
            CC Mem            3            1K            7
             nhops            6            1K            6
              pfil            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
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              cdev            2            1K            2
               osd            8            1K           20
           netlink            2            1K            2
    chacha20random            1            1K            1
            biobuf            1            1K            1
       inpcbpolicy           11            1K          140
          sctp_ifn            2            1K            6
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
            soname            5            1K         3330
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          procdesc            1            1K            6
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
          freework            1            1K           26
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
           filemon            0            0K            0
            mqdata            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_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            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
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
               ixl            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
       fpukern_ctx            0            0K            0
          xen_intr            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
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
        aesni_data            0            0K            0
            xenbus            0            0K            0
     vm_fictitious            0            0K            0
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           15
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            2
           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
          freefile            0            0K            9
          freeblks            0            0K           25
          freefrag            0            0K            1
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
          ktls_ocf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
      MLX5E_TLS_RX            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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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       15468       0     254   38494208        0
              mbuf    256    8583    1079       18624       0     254    2473472        0
          BUF TRIE    144     192   11624         546       0      62    1701504        0
        malloc-384    384    4118      52        4119       0      30    1601280        0
        malloc-128    128   11749     124       11841       0     126    1519744        0
       malloc-4096   4096     327       3         489       0       2    1351680        0
       UMA Slabs 0    112   10684       2       10684       0     126    1196832        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   15488     103       15488       0     254     873096        0
         FFS inode   1168     499      19         508       0       8     605024        0
            lkpimm    168       1    3095           1       0      62     520128        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        RADIX NODE    144    3281     214       23831       0      62     503280        0
            socket    960      19     489        1315       0     254     487680        0
      malloc-65536  65536       6       0           6       0       1     393216        0
        256 Bucket   2048     120      24         851       0       8     294912        0
         malloc-64     64    4290     309       17197       0     254     294336        0
        malloc-256    256    1070      55        1861       0      62     288000        0
       malloc-2048   2048       6     122        1038       0       8     262144        0
         VM OBJECT    264     924      66       14116       0      30     261360        0
             VNODE    448     529      47         540       0      30     258048        0
         malloc-16     16   14620     380       17611       0     254     240000        0
            THREAD   1824     120       8         120       0       8     233472        0
            DEVCTL   1024       0     220         123       0       0     225280        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5331     339        6101       0     254     181440        0
       malloc-4096   4096      40       4         774       0       2     180224        0
        malloc-128    128    1211     184       28428       0     126     178560        0
       malloc-1024   1024     129      15         138       0      16     147456        0
        malloc-128    128     976     171        5117       0     126     146816        0
       FFS2 dinode    256     499      71         508       0      62     145920        0
      malloc-65536  65536       0       2          46       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
             unpcb    256       7     503        1158       0     254     130560        0
       mbuf_packet    256       0     508         117       0     254     130048        0
         MAP ENTRY     96     893     367       40283       0     126     120960        0
     FPU_save_area    832     122      22         134       0      16     119808        0
          ksiginfo    112      43    1001          58       0     126     116928        0
       S VFS Cache    104     966      48        1005       0     126     105456        0
      malloc-32768  32768       1       2         121       0       1      98304        0
      malloc-32768  32768       3       0           3       0       1      98304        0
              PROC   1376      39      27         773       0       8      90816        0
          UMA Kegs    384     227       6         227       0      30      89472        0
        128 Bucket   1024      41      42         236       0      16      84992        0
        malloc-256    256     210     105         464       0      62      80640        0
       malloc-8192   8192       8       1          10       0       1      73728        0
       malloc-4096   4096      18       0          29       0       2      73728        0
             g_bio    408       0     180        4502       0      30      73440        0
         malloc-64     64     534     537        1679       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
         filedesc0   1072      40      16         774       0       8      60032        0
       malloc-8192   8192       6       1         107       0       1      57344        0
         64 Bucket    512      67      37         955       0      30      53248        0
         malloc-64     64     263     556        1037       0     254      52416        0
         32 Bucket    256      59     136         412       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       12073       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-1024   1024       8      40        1412       0      16      49152        0
          syncache    168       0     264           5       0     254      44352        0
       malloc-8192   8192       4       1          30       0       1      40960        0
              pipe    728       7      48         282       0      16      40040        0
         udp_inpcb    424       7      83         129       0      30      38160        0
            pcpu-8      8    4267     341        4295       0     254      36864        0
         malloc-64     64      47     520         275       0     254      36288        0
         malloc-64     64      14     553       13248       0     254      36288        0
         malloc-64     64      59     508        1356       0     254      36288        0
         malloc-64     64      65     502         837       0     254      36288        0
         malloc-64     64     116     451         121       0     254      36288        0
        malloc-128    128       7     272          71       0     126      35712        0
        malloc-128    128      29     250          40       0     126      35712        0
        malloc-128    128      76     203         166       0     126      35712        0
        malloc-128    128      58     221         200       0     126      35712        0
        malloc-128    128      59     220         313       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          71       0      30      34560        0
        malloc-384    384      60      30          83       0      30      34560        0
        malloc-384    384      81       9          81       0      30      34560        0
        malloc-256    256       2     133         103       0      62      34560        0
        malloc-256    256      30     105         321       0      62      34560        0
        malloc-256    256      60      75         499       0      62      34560        0
        malloc-256    256      30     105         393       0      62      34560        0
        malloc-256    256      17     118         115       0      62      34560        0
        malloc-256    256      13     122         269       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-16384  16384       2       0           2       0       1      32768        0
       malloc-4096   4096       4       4         754       0       2      32768        0
       malloc-4096   4096       7       1          12       0       2      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-2048   2048       2      14          39       0       8      32768        0
       malloc-2048   2048       5      11          14       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-2048   2048       7       9           7       0       8      32768        0
       malloc-2048   2048       5      11         196       0       8      32768        0
       malloc-1024   1024       0      32           4       0      16      32768        0
       malloc-1024   1024      10      22          11       0      16      32768        0
       malloc-1024   1024       4      28           8       0      16      32768        0
       malloc-1024   1024       5      27         175       0      16      32768        0
       malloc-1024   1024      10      22          10       0      16      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
        malloc-512    512      13      51          19       0      30      32768        0
        malloc-512    512       0      64         127       0      30      32768        0
        malloc-512    512       1      63          11       0      30      32768        0
        malloc-512    512       4      60          53       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      20     244          31       0     126      31680        0
            clpbuf   2624       0      12          27       0       4      31488        0
           VMSPACE    616      23      25         758       0      16      29568        0
         malloc-32     32     283     599        4423       0     254      28224        0
         16 Bucket    144      48     148         254       0      62      28224        0
          4 Bucket     48       6     582          10       0     254      28224        0
            da_ccb    544       0      49        1259       0      16      26656        0
         TURNSTILE    136     129      60         129       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
             ripcb    392       1      62           4       0      30      24696        0
       malloc-4096   4096       5       1           5       0       2      24576        0
          rl_entry     40      35     571          35       0     254      24240        0
               PWD     40      10     596          99       0     254      24240        0
           rtentry    168      13     131          17       0      62      24192        0
             Files     80      72     228        6514       0     126      24000        0
          8 Bucket     80      54     246         526       0     126      24000        0
         tcp_inpcb   1312       3      15           7       0       8      23616        0
        malloc-384    384       1      59         346       0      30      23040        0
        malloc-384    384      34      26          37       0      30      23040        0
        malloc-384    384       4      56           4       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     129     127         129       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       4     626          41       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
         malloc-32     32      27     603         176       0     254      20160        0
         malloc-32     32      54     576         197       0     254      20160        0
         malloc-32     32      37     593          43       0     254      20160        0
         malloc-32     32      74     556         129       0     254      20160        0
         malloc-32     32      16     614          17       0     254      20160        0
          2 Bucket     32      47     583         287       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-512    512       2      30           2       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
        sctp_laddr     48       0     336           4       0     254      16128        0
              kenv    258      17      43        1069       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
    ertt_txseginfo     40       1     302         284       0     254      12120        0
   tcp_inpcb ports     32       1     377           1       0     254      12096        0
         malloc-32     32      90     288         636       0     254      12096        0
         malloc-16     16      22     728        1220       0     254      12000        0
         malloc-16     16      15     735          47       0     254      12000        0
         malloc-16     16      42     708         249       0     254      12000        0
         malloc-16     16      23     727          38       0     254      12000        0
         malloc-16     16      31     719         158       0     254      12000        0
         malloc-16     16     284     466       28025       0     254      12000        0
        malloc-384    384       0      30           1       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           2       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       2     332        2200       0     254       8016        0
         malloc-16     16       7     493           9       0     254       8000        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     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    352       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
      tcp_rack_pcb   1024       0       0           0       0      16          0        0
      tcp_rack_map    128       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
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2256       0       0           0       0     254          0        0
           sctp_ep   1176       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       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
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
           netlink   2048       0       0           0       0       8          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
               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    232       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       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    104       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-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
           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 (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/12/04 17:44 freebsd-src 01e286b54190 f819d6f7 console log report syz C ci-freebsd-main panic: vtnet_txq_offload_ctx: mbuf ADDR start NUM offset NUM proto -NUM
2023/12/04 16:54 freebsd-src 01e286b54190 f819d6f7 console log report ci-freebsd-main panic: vtnet_txq_offload_ctx: mbuf ADDR start NUM offset NUM proto -NUM
2023/11/29 17:31 freebsd-src d565784a7eba 6e78f9ce console log report ci-freebsd-i386 panic: vtnet_txq_offload_ctx: mbuf ADDR start NUM offset NUM proto -NUM
2023/11/24 19:47 freebsd-src 5e16809c953f 5b429f39 console log report ci-freebsd-i386 panic: vtnet_txq_offload_ctx: mbuf ADDR start NUM offset NUM proto -NUM
* Struck through repros no longer work on HEAD.