syzbot


Fatal trap NUM: page fault in rtsock_msg_buffer

Status: fixed on 2024/11/19 12:57
Reported-by: syzbot+d4a2682059e23179e76e@syzkaller.appspotmail.com
Fix commit: dae64402b3e8 rtsock: fix panic in rtsock_msg_buffer()
First crash: 8d18h, last: 5d04h

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x58
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff8184a1f7
stack pointer	        = 0x28:0xfffffe0056fc4160
frame pointer	        = 0x28:0xfffffe0056fc42d0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 3824 (syz-executor3868138)
rdi: 0000000000000058 rsi: 0000000000000000 rdx: 000000000adf8867
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 0000000000000001
rax: fffffe00033eee30 rbx: fffffe0056fc4320 rbp: fffffe0056fc42d0

r10: 0000000000000000 r11: 00000000000000ff r12: fffffe0056fc41e0
r13: fffffe0056fc4480 r14: 0000000000000000
FreeBSD/amd64 r15: dffff7c000000000
 (ci-freebsd-maitrap number		= 12
panic: page fault
cpuid = 0
time = 1731950424
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056fc3870
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056fc39d0
vpanic() at vpanic+0x257/frame 0xfffffe0056fc3b90
panic() at panic+0xb5/frame 0xfffffe0056fc3c50
trap_fatal() at trap_fatal+0x7ef/frame 0xfffffe0056fc3d70
trap_pfault() at trap_pfault+0x17b/frame 0xfffffe0056fc3eb0
trap() at trap+0x64a/frame 0xfffffe0056fc4090
calltrap() at calltrap+0x8/frame 0xfffffe0056fc4090
--- trap 0xc, rip = 0xffffffff8184a1f7, rsp = 0xfffffe0056fc4160, rbp = 0xfffffe0056fc42d0 ---
rtsock_msg_buffer() at rtsock_msg_buffer+0x167/frame 0xfffffe0056fc42d0
update_rtm_from_info() at update_rtm_from_info+0x18b/frame 0xfffffe0056fc43d0
rts_send() at rts_send+0x60f/frame 0xfffffe0056fc4770
sosend_generic_locked() at sosend_generic_locked+0xce6/frame 0xfffffe0056fc4960
sosend_generic() at sosend_generic+0x87/frame 0xfffffe0056fc49c0
sousrsend() at sousrsend+0x112/frame 0xfffffe0056fc4a50
kern_sendit() at kern_sendit+0x4fe/frame 0xfffffe0056fc4bb0
sendit() at sendit+0x15f/frame 0xfffffe0056fc4c10
sys_sendto() at sys_sendto+0x181/frame 0xfffffe0056fc4d30
amd64_syscall() at amd64_syscall+0x49b/frame 0xfffffe0056fc4f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056fc4f30
--- syscall (0, FreeBSD ELF64, syscall), rip = 0x23479a, rsp = 0x820d8ff68, rbp = 0x820d8ff80 ---
KDB: enter: panic
[ thread pid 3824 tid 103123 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23eb8d7(%rip)
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         0xffffffff82728720  .str.27
rsp         0xfffffe0056fc39b0
rbp         0xfffffe0056fc39d0
rsi                          0
rdi         0xffffffff82e004c0  panicstr
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe005bafc740
r13         0xfffffffffffffffe
r14         0xffffffff82728720  .str.27
r15                          0
rip         0xffffffff815ba73e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23eb8d7(%rip)
db> show proc
Process 3824 (syz-executor3868138) at 0xfffffe005bac7ac0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 773 at 0xfffffe0007a085c0
 ABI: FreeBSD ELF64
 flag: 0x10000080  flag2: 0
 arguments: ./syz-executor3868138776
 reaper: 0xfffffe0007a07040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0007a0e738
   (map 0xfffffe0007a0e738)
   (map.pmap 0xfffffe0007a0e7f8)
   (pmap 0xfffffe0007a0e868)
 threads: 2
100111                   S       nanslp  0xffffffff839873c1  syz-executor3868138
103123                   Run     CPU 0                       syz-executor3868138
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 3824   773   771     0  R       (threaded)                  syz-executor3868138
100111                   S       nanslp  0xffffffff839873c1  syz-executor3868138
103123                   Run     CPU 0                       syz-executor3868138
  773   771   771     0  S       nanslp  0xffffffff839873c1  syz-executor3868138
  771   769   771     0  Ss      pause   0xfffffe005bab9b70  csh
  769   682   769     0  Ss      select  0xfffffe000797e5c0  sshd
  750     1   750     0  Ss+     ttyin   0xfffffe00543ea4b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00588520b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00588524b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00596938b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00588528b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0059693cb0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0058852cb0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00588530b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00588534b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff839873c0  cron
  682     1   682     0  Ss      select  0xfffffe000797e540  sshd
  495     1   495     0  Ds      bo_wwai 0xfffffe006dfffd70  syslogd
  424     1   424     0  Ss      select  0xfffffe000797e8c0  devd
   17     0     0     0  DL      syncer  0xffffffff83aa4be0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0007a26040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83aa31a0  [bufdaemon]
100082                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe00596934e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83aee8e0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83ad4878  [dom0]
100080                   D       launds  0xffffffff83ad4884  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d6bb50  [uma]
    7     0     0     0  DL      -       0xffffffff83704bb0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff841a9d50  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84456580  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff836cf340  [doneq0]
100046                   D       -       0xffffffff836cf2c0  [async]
100075                   D       -       0xffffffff836cf140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83ad0060  [crypto]
100043                   D       crypto_ 0xfffffe0057f2ae30  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0057f2ae80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00085fd488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff8392fd80  [g_event]
100037                   D       -       0xffffffff8392fda0  [g_up]
100038                   D       -       0xffffffff8392fdc0  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100030                   I                                   [clock (0)]
100031                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   RunQ                                [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007a07040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ad0ac0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff849f6ff0  [swapper]
100005                   D       -       0xfffffe00079d2700  [softirq_0]
100006                   D       -       0xfffffe00079d2600  [softirq_1]
100007                   D       -       0xfffffe00079d2500  [if_io_tqg_0]
100008                   D       -       0xfffffe00079d2400  [if_io_tqg_1]
100009                   D       -       0xfffffe00079d2300  [if_config_tqg_0]
100010                   D       -       0xfffffe00079d2200  [pci_hp taskq]
100011                   D       -       0xfffffe00079d2100  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00079d1b00  [thread taskq]
100016                   D       -       0xfffffe00079d1800  [aiod_kick taskq]
100017                   D       -       0xfffffe00079d1700  [deferred_unmount ta]
100018                   D       -       0xfffffe00079d1600  [inm_free taskq]
100019                   D       -       0xfffffe00079d1500  [in6m_free taskq]
100020                   D       -       0xfffffe00079d1400  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00079d1300  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00079d1300  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00079d1300  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00079d1300  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00079d1200  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00079d1200  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00079d1200  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00079d1200  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe00079d0c00  [firmware taskq]
100040                   D       -       0xfffffe00079d0200  [crypto_0]
100041                   D       -       0xfffffe00079d0200  [crypto_1]
100056                   D       -       0xfffffe0057fcc400  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0057fcc300  [vtnet0 txq 0]
100058                   D       -       0xfffffe0057fcc200  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0057fcc100  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe000797ff00  [virtio_balloon]
100065                   D       -       0xffffffff8272d960  [deadlkres]
100069                   D       -       0xfffffe0057fcd200  [acpi_task_0]
100070                   D       -       0xfffffe0057fcd200  [acpi_task_1]
100071                   D       -       0xfffffe0057fcd200  [acpi_task_2]
100073                   D       -       0xfffffe00079d4100  [mca taskq]
100074                   D       -       0xfffffe0057fcd000  [CAM taskq]
100076                   D       -       0xfffffe00079d0900  [ipsec_offload]
db> show all locks
Process 3824 (syz-executor3868138) thread 0xfffffe005bafc740 (103123)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe006e656580) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_socket.c:4815
Process 495 (syslogd) thread 0xfffffe005baa1740 (100097)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006dfffc78) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3582
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          375         5011K          485
          tcp_hpts            7         4801K            7
            devbuf         4188         4324K         4216
         sysctloid        35218         2075K        35293
             vtbuf           24         1968K           46
            newblk         1594         1423K         1671
              kobj          330         1320K          494
          vfscache            3         1025K            3
               pcb           23          669K         3045
          inodedep           16          518K           82
         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
            KTRACE          100          200K          100
            acpica         1674          184K        57800
           subproc          102          166K         3892
              vmem            5          144K            6
           tidhash            3          141K            3
           pagedep            3          129K           21
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
        gtaskqueue           18           98K           18
               bus          994           81K         5040
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          519           65K          519
       ddb_capture            1           64K            1
              temp           19           39K         4638
              umtx          288           36K          288
           kdtrace          158           33K         6949
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           90           15K           90
            bus-sc           34           15K         1637
      eventhandler          163           14K          163
              kenv           95           12K           95
            ifaddr           30           12K           32
              GEOM           61           11K          477
          routetbl           50           11K          176
         CAM queue            5           11K         1528
              rman           82           10K          437
         bmsafemap            3            9K           47
               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           66            7K           66
            sglist            6            7K            6
           CAM DEV            3            6K          510
            plimit           15            6K          338
         pfs_nodes           22            6K           22
              cred           21            6K          284
       ufs_dirhash           24            5K           24
               UMA          269            5K          269
             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
           lltable           11            4K           12
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
             hhook            8            3K           10
             clone            9            3K            9
            kqueue           35            3K         3827
           pwddesc           35            3K         3825
           uidinfo            2            3K            9
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
           session           16            2K           32
         proc-args           51            2K         4790
            Unitno           28            2K           42
           CAM XPT           22            2K          543
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
             lockf           13            2K           27
           acpidev           20            2K           20
               msi            9            2K            9
           netlink            2            2K           28
           softdep            1            1K            1
            dirrem            4            1K           32
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           14
      NFSD session            1            1K            1
             selfd           15            1K        63717
        CAM periph            4            1K          271
             ipsec            3            1K            3
          freefile            6            1K           30
          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
            diradd            5            1K           38
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
          in_multi            2            1K            4
            select            4            1K           29
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
               osd            8            1K           20
    chacha20random            1            1K            1
            biobuf            1            1K            1
       inpcbpolicy            9            1K          140
          sctp_ifn            2            1K            6
               mld            2            1K            2
              igmp            2            1K            2
               BPF            2            1K           10
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             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
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          pmchooks            1            1K            1
            DEVFSP            2            1K            9
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         3334
          sctp_vrf            1            1K            1
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
              cpus            2            1K            2
          freework            1            1K           31
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
      tcp_pcm_rack            0            0K            0
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            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
          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
        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
      amdiommu_dom            0            0K            0
      amdiommu_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           19
          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
         newdirblk            0            0K            9
             mkdir            0            0K           18
          freeblks            0            0K           30
          freefrag            0            0K           20
        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
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        MLX5EEPROM            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       23747       0     254   38494208        0
              mbuf    256    8577    1086       36435       0     254    2473728        0
          BUF TRIE    144     272   11544         951       0      62    1701504        0
       malloc-4096   4096     380      20        4827       0       2    1638400        0
        malloc-384    384    4188      12        4189       0      30    1612800        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11532      62       11540       0     126    1484032        0
       UMA Slabs 0    112   11059      23       11059       0     126    1241184        0
         vmem btag     56   15834      45       15834       0     254     889224        0
            socket   1024      15     749        4320       0     254     782336        0
      malloc-65536  65536       9       1          12       0       1     655360        0
         FFS inode   1168     500      39         530       0       8     629552        0
        RADIX NODE    144    3668     443       84066       0      62     591984        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        malloc-256    256    1660     140        1797       0      62     460800        0
      malloc-65536  65536       6       0           6       0       1     393216        0
        256 Bucket   2048     124      20        1046       0       8     294912        0
         VM OBJECT    264     819     231       43339       0      30     277200        0
            THREAD   1824     122      22        3123       0       8     262656        0
         malloc-64     64    3862     233        3886       0     254     262080        0
             VNODE    440     531      45         563       0      30     253440        0
         malloc-16     16   14517     233       14587       0     254     236000        0
       malloc-2048   2048     107       5         298       0       8     229376        0
            DEVCTL   1024       0     220         123       0       0     225280        0
       malloc-2048   2048       6      90         522       0       8     196608        0
       mbuf_packet    256       1     761        3125       0     254     195072        0
         UMA Zones    768     241       3         241       0      16     187392        0
         malloc-32     32    5337     333        5398       0     254     181440        0
        malloc-128    128    1147     248       30264       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320       5     511        1160       0     254     165120        0
      malloc-32768  32768       3       2         123       0       1     163840        0
       FFS2 dinode    256     500      70         530       0      62     145920        0
     FPU_save_area    832     124      38        3140       0      16     134784        0
       S VFS Cache    104     989     298        1030       0     126     133848        0
         MAP ENTRY     96     687     699       86426       0     126     133056        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       0       2          60       0       1     131072        0
       malloc-1024   1024     105      23         114       0      16     131072        0
          ksiginfo    112      45     999          62       0     126     116928        0
        128 Bucket   1024      50      49         378       0      16     101376        0
        malloc-128    128     624     151         808       0     126      99200        0
      malloc-32768  32768       2       1          13       0       1      98304        0
              PROC   1376      34      32        3824       0       8      90816        0
       malloc-8192   8192      10       1         117       0       1      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
             g_bio    408       4     206        5427       0      30      85680        0
        malloc-256    256     135     180        3809       0      62      80640        0
         malloc-64     64     471     600         924       0     254      68544        0
         malloc-64     64     551     520       19792       0     254      68544        0
        malloc-128    128     296     231         377       0     126      67456        0
        malloc-128    128     305     222        1085       0     126      67456        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
      malloc-16384  16384       2       2         182       0       1      65536        0
        malloc-256    256     119     136         468       0      62      65280        0
         filedesc0   1072      35      21        3825       0       8      60032        0
       malloc-8192   8192       7       0           8       0       1      57344        0
         64 Bucket    512      66      46        3024       0      30      57344        0
         malloc-64     64      90     729        8250       0     254      52416        0
        malloc-128    128     135     268         636       0     126      51584        0
        malloc-256    256     128      67         141       0      62      49920        0
        malloc-256    256      70     125        1073       0      62      49920        0
         32 Bucket    256      63     132       24982       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       12689       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-4096   4096      10       2          15       0       2      49152        0
       malloc-2048   2048       5      19         544       0       8      49152        0
       malloc-1024   1024       8      40         717       0      16      49152        0
       malloc-1024   1024      32      16          56       0      16      49152        0
        malloc-384    384      68      52         734       0      30      46080        0
          syncache    168       0     264           5       0     254      44352        0
           VMSPACE    616      18      48        3809       0      16      40656        0
              pipe    736       5      50         312       0      16      40480        0
            da_ccb    544       1      69        1565       0      16      38080        0
         udp_inpcb    416       6      84         129       0      30      37440        0
            pcpu-8      8    4295     313        4337       0     254      36864        0
         malloc-64     64     125     442         149       0     254      36288        0
         malloc-64     64      85     482       63829       0     254      36288        0
         malloc-64     64     229     338         260       0     254      36288        0
         malloc-64     64       6     561          20       0     254      36288        0
        malloc-128    128      52     227         126       0     126      35712        0
        malloc-128    128      56     223          73       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      35      55         123       0      30      34560        0
        malloc-256    256      12     123          45       0      62      34560        0
        malloc-256    256      23     112          24       0      62      34560        0
        malloc-256    256       5     130         304       0      62      34560        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-2048   2048       4      12          67       0       8      32768        0
       malloc-2048   2048       5      11        3034       0       8      32768        0
       malloc-1024   1024       5      27           9       0      16      32768        0
       malloc-1024   1024       9      23          10       0      16      32768        0
       malloc-1024   1024       3      29           3       0      16      32768        0
       malloc-1024   1024       9      23         899       0      16      32768        0
        malloc-512    512      10      54          22       0      30      32768        0
        malloc-512    512       3      61         160       0      30      32768        0
        malloc-512    512       1      63          11       0      30      32768        0
        malloc-512    512       1      63           3       0      30      32768        0
           pcpu-64     64     494      18         494       0     254      32768        0
    ertt_txseginfo     40       0     808        3483       0     254      32320        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80      54     346        9824       0     126      32000        0
              PGRP    120      16     248          32       0     126      31680        0
            clpbuf   2624       0      12          68       0       4      31488        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         malloc-32     32     299     583         407       0     254      28224        0
         malloc-32     32      62     820        3875       0     254      28224        0
         malloc-32     32      20     862        4086       0     254      28224        0
         16 Bucket    144      54     142         547       0      62      28224        0
          4 Bucket     48       7     581          12       0     254      28224        0
         TURNSTILE    136     145      44         145       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-4096   4096       3       3         303       0       2      24576        0
               PWD     40       9     597         116       0     254      24240        0
           rtentry    168      13     131          17       0      62      24192        0
          8 Bucket     80      56     244         636       0     126      24000        0
         tcp_inpcb   1320       3      15           7       0       8      23760        0
             ripcb    384       0      60           4       0      30      23040        0
        malloc-384    384       1      59           2       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     145     111         145       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
         malloc-32     32      94     536         238       0     254      20160        0
         malloc-32     32      46     584          57       0     254      20160        0
         malloc-32     32      27     603        2679       0     254      20160        0
          2 Bucket     32      53     577         317       0     254      20160        0
              vmem   1856       2       7           2       0       8      16704        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           2       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-4096   4096       4       0          86       0       2      16384        0
       malloc-2048   2048       1       7           1       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
        malloc-512    512       4      28           8       0      30      16384        0
        malloc-512    512       0      32          10       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
      vtnet_tx_hdr     24       0     668        5510       0     254      16032        0
         malloc-16     16     318     682         502       0     254      16000        0
              kenv    258      17      43        1065       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
   tcp_inpcb ports     32       1     377           1       0     254      12096        0
         malloc-32     32      76     302         689       0     254      12096        0
             KNOTE    160       0      75           8       0      62      12000        0
         malloc-16     16      25     725         139       0     254      12000        0
         malloc-16     16       7     743          25       0     254      12000        0
         malloc-16     16      33     717          49       0     254      12000        0
         malloc-16     16     199     551        4195       0     254      12000        0
         malloc-16     16      14     736       26604       0     254      12000        0
         malloc-16     16      15     735          62       0     254      12000        0
        malloc-384    384       6      24           6       0      30      11520        0
        malloc-384    384      25       5          37       0      30      11520        0
        malloc-384    384       1      29           2       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       0       1          19       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           3       0       2       8192        0
       malloc-4096   4096       0       2           2       0       2       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        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 UDP mappings    104       0       0           0       0     126          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    368       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   1152       0       0           0       0       8          0        0
      tcp_rack_map    128       0       0           0       0     126          0        0
       tcp_bbr_pcb    896       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   1152       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    416       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
            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    240       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       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    112       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
          rl_entry     48       0       0           0       0     254          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> 

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/18 17:21 freebsd-src f4f46a2eef3b e7bb5d6e console log report syz / log C ci-freebsd-main Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/15 14:23 freebsd-src 79af8f72b3af eeafb645 console log report ci-freebsd-main Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/15 14:23 freebsd-src 79af8f72b3af eeafb645 console log report ci-freebsd-main Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/15 03:40 freebsd-src 13e82893d858 f6ede3a3 console log report ci-freebsd-main Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/15 03:40 freebsd-src 13e82893d858 f6ede3a3 console log report ci-freebsd-main Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/16 04:23 freebsd-src 976e1d36be68 cfe3a04a console log report ci-freebsd-i386 Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/16 04:23 freebsd-src 976e1d36be68 cfe3a04a console log report ci-freebsd-i386 Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/15 03:43 freebsd-src 13e82893d858 f6ede3a3 console log report ci-freebsd-i386 Fatal trap NUM: page fault in rtsock_msg_buffer
2024/11/15 03:43 freebsd-src 13e82893d858 f6ede3a3 console log report ci-freebsd-i386 Fatal trap NUM: page fault in rtsock_msg_buffer
* Struck through repros no longer work on HEAD.