syzbot


Fatal trap NUM: page fault in kasan_atomic_load_int (3)

Status: upstream: reported C repro on 2022/09/21 16:43
Reported-by: syzbot+3c7f0eb2b34245ef0bd8@syzkaller.appspotmail.com
First crash: 580d, last: 20d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap NUM: page fault in kasan_atomic_load_int (2) 3 735d 805d 0/2 auto-closed as invalid on 2022/07/17 23:23
freebsd Fatal trap NUM: page fault in kasan_atomic_load_int syz 3 958d 962d 0/2 closed as dup on 2021/09/08 18:32

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x450
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff8157fd6f
stack pointer	        = 0x28:0xfffffe0007bc9b20
frame pointer	        = 0x28:0xfffffe0007bc9b30
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		= 5 (sctp_iterator)
rdi:              450 rsi:                4 rdx:                0
rcx: fffffe00033eee30  r8: fffff78000000000  r9:      20000000000
rax: fffffe00033eee30 rbx:              450 rbp: fffffe0007bc9b30
r10: 80af5d8e48d09a1c r11: fffffe00928ca540 r12: fffffe0092dc98c0
r13: fffffe0092dc98d8 r14: fffffe0092dc98c0 r15: fffffe0007bc9bc0
trap number		= 12
panic: page fault
cpuid = 0
time = 1682810712
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0007bc9310
kdb_backtrace() at kdb_backtrace+0xd1/frame 0xfffffe0007bc9470
vpanic() at vpanic+0x254/frame 0xfffffe0007bc9550
panic() at panic+0xb5/frame 0xfffffe0007bc9610
trap_fatal() at trap_fatal+0x7ed/frame 0xfffffe0007bc9730
trap_pfault() at trap_pfault+0x182/frame 0xfffffe0007bc9870
trap() at trap+0x5e1/frame 0xfffffe0007bc9a50
calltrap() at calltrap+0x8/frame 0xfffffe0007bc9a50
--- trap 0xc, rip = 0xffffffff8157fd6f, rsp = 0xfffffe0007bc9b20, rbp = 0xfffffe0007bc9b30 ---
kasan_atomic_load_int() at kasan_atomic_load_int+0x16f/frame 0xfffffe0007bc9b30
__mtx_lock_sleep() at __mtx_lock_sleep+0x520/frame 0xfffffe0007bc9c70
__mtx_lock_flags() at __mtx_lock_flags+0x231/frame 0xfffffe0007bc9d50
sctp_sendall_completes() at sctp_sendall_completes+0x41/frame 0xfffffe0007bc9d70
sctp_iterator_worker() at sctp_iterator_worker+0xfe4/frame 0xfffffe0007bc9ed0
sctp_iterator_thread() at sctp_iterator_thread+0x5e/frame 0xfffffe0007bc9ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0007bc9f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0007bc9f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 5 tid 100067 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x213dbca(%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                          0
rsp         0xfffffe0007bc9450
rbp         0xfffffe0007bc9470
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe00928ca540
r12                          0
r13         0xfffffe0057a76720
r14         0xffffffff826a6540  .str.26
r15         0xffffffff826a6540  .str.26
rip         0xffffffff815b6ecb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x213dbca(%rip)
db> show proc
Process 5 (sctp_iterator) at 0xfffffe0057b8c560:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff836ac0a0
 ABI: null
 flag: 0x10000204  flag2: 0
 reaper: 0xffffffff836ac0a0 reapsubtree: 5
 sigparent: 20
 vmspace: 0xffffffff836ad040
   (map 0xffffffff836ad040)
   (map.pmap 0xffffffff836ad100)
   (pmap 0xffffffff836ad170)
 threads: 1
100067                   Run     CPU 0                       [sctp_iterator]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 5199   779   777     0  R                                   syz-executor3871614
  779   777   777     0  R       CPU 1                       syz-executor3871614
  777   775   777     0  Ss      pause   0xfffffe005718f0b0  csh
  775   688   775     0  Ss      select  0xfffffe00925b0640  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00571cdcb0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00587fc8b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00576760b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00576768b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00576780b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00576788b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe005434c0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005434c8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005434d0b0  getty
  744     1    18     0  S+      piperd  0xfffffe0058bf1000  logger
  743   742    18     0  S+      nanslp  0xffffffff836d6240  sleep
  742     1    18     0  S+      wait    0xfffffe0057b8f060  sh
  692     1   692     0  Ss      nanslp  0xffffffff836d6241  cron
  688     1   688     0  Ss      select  0xfffffe00925b0b40  sshd
  501     1   501     0  Ss      select  0xfffffe0058b884c0  syslogd
  430     1   430     0  Ss      select  0xfffffe0058b882c0  devd
  429     1   429    65  Ss      select  0xfffffe0058b88340  dhclient
  344     1   344     0  Ss      select  0xfffffe00925b0e40  dhclient
  341     1   341     0  Ss      select  0xfffffe0058b88640  dhclient
   17     0     0     0  DL      syncer  0xffffffff837e76e0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0057191040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff837e5d00  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe0058b5c8e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff8381d540  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff838113f8  [dom0]
100080                   D       launds  0xffffffff83811404  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d2b5b0  [uma]
    7     0     0     0  DL      -       0xffffffff83499e48  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff83fb0290  [pf purge]
    5     0     0     0  RL      CPU 0                       [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff8347c340  [doneq0]
100045                   D       -       0xffffffff8347c2c0  [async]
100076                   D       -       0xffffffff8347c140  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe00543a6088  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff8380cca0  [crypto]
100041                   D       crypto_ 0xfffffe00085f5c30  [crypto returns 0]
100042                   D       crypto_ 0xfffffe00085f5c80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836ab680  [g_event]
100036                   D       -       0xffffffff836ab6a0  [g_up]
100037                   D       -       0xffffffff836ab6c0  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100018                   I                                   [swi5: fast taskq]
100031                   I                                   [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    0xfffffe00541e2040  [init]
   10     0     0     0  DL      audit_w 0xffffffff8380d6e0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836ac0a0  [swapper]
100005                   D       -       0xfffffe0054289800  [if_io_tqg_0]
100006                   D       -       0xfffffe0054289700  [if_io_tqg_1]
100007                   D       -       0xfffffe0054289600  [if_config_tqg_0]
100008                   D       -       0xfffffe0054289500  [softirq_0]
100009                   D       -       0xfffffe0054289400  [softirq_1]
100010                   D       -       0xfffffe00085f6d00  [linuxkpi_irq_wq]
100012                   D       -       0xfffffe00085f6b00  [inm_free taskq]
100013                   D       -       0xfffffe00085f6a00  [aiod_kick taskq]
100014                   D       -       0xfffffe00085f6900  [deferred_unmount ta]
100015                   D       -       0xfffffe00085f6800  [in6m_free taskq]
100017                   D       -       0xfffffe00085f6600  [thread taskq]
100019                   D       -       0xfffffe00085f6400  [kqueue_ctx taskq]
100020                   D       -       0xfffffe00085f6300  [pci_hp taskq]
100021                   D       -       0xfffffe00085f6200  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085f6200  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085f6200  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085f6200  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085f6100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085f6100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085f6100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085f6100  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00085f6000  [firmware taskq]
100038                   D       -       0xfffffe00085f5d00  [crypto_0]
100039                   D       -       0xfffffe00085f5d00  [crypto_1]
100055                   D       -       0xfffffe00085f5900  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00085f5800  [vtnet0 txq 0]
100057                   D       -       0xfffffe00085f5700  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00085f5600  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0057164380  [virtio_balloon]
100066                   D       -       0xffffffff826ab480  [deadlkres]
100070                   D       -       0xfffffe0058756300  [acpi_task_0]
100071                   D       -       0xfffffe0058756300  [acpi_task_1]
100072                   D       -       0xfffffe0058756300  [acpi_task_2]
100073                   D       -       0xfffffe00085f7100  [mca taskq]
100075                   D       -       0xfffffe00085f5a00  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4216         4323K         4241
         sysctloid        34801         2051K        34872
             vtbuf           24         1968K           46
              kobj          328         1312K          490
            newblk          766         1216K          817
          vfscache            3         1025K            3
               pcb           23          669K        26544
          inodedep           26          522K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          108          190K         5267
            acpica         1674          184K        57915
           tidhash            3          141K            3
              vmem            3          138K            4
           pagedep            7          130K           18
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            linker          324          127K          353
         vnet_data            1          112K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
               bus          993           81K         5160
          mtx_pool            2           72K            2
     NFSD srvcache            3           68K            3
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
              temp           19           53K         1609
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          156           32K         5315
            DEVFS3          124           31K          134
              umtx          242           31K          242
               msg            4           30K            4
            kbdmux            6           28K            6
        gtaskqueue           18           26K           18
        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         1658
      eventhandler          156           13K          156
            KTRACE          100           13K          100
              kenv           95           12K           95
            ifaddr           30           12K           32
              rman           88           11K          431
              GEOM           61           11K          481
          routetbl           50           11K          176
         CAM queue            5           11K         1528
               rpc            4            9K            4
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
       pfs_vncache            1            8K            1
         bmsafemap            1            8K           39
             shmfd            1            8K            1
     audit_evclass          237            8K          297
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          244
         pfs_nodes           20            5K           20
       ufs_dirhash           24            5K           24
               UMA          267            5K          267
            plimit           17            5K          337
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
          filedesc            1            4K            1
             evdev            4            4K            4
           acpisem           28            4K           28
             hhook           15            4K           17
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
            kqueue           41            3K         5202
           pwddesc           41            3K         5200
           session           20            3K           32
             clone            9            3K            9
           uidinfo            3            3K            9
         proc-args           63            3K         6145
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           27            2K        69962
             lockf           16            2K           26
          freefile           13            2K           22
            Unitno           27            2K           41
           CAM XPT           22            2K          543
               msi           12            2K           12
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
      NFSD session            1            1K            1
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           12
            diradd            7            1K           36
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              pfil            4            1K            4
              cdev            2            1K            2
               osd            8            1K           20
            CC Mem            3            1K            7
    chacha20random            1            1K            1
            biobuf            1            1K            1
       inpcbpolicy           10            1K          139
         sctp_iter            1            1K         8826
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K         4426
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         sctp_cpal            1            1K         8834
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
           netlink            1            1K            1
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
            soname            4            1K         3425
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
           filemon            0            0K         4417
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         4417
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K        13251
         sctp_atky            0            0K        13251
         sctp_atcl            0            0K        13251
         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
            mqdata            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
        madt_table            0            0K            2
          smartpqi            0            0K            0
     geom_flashmap            0            0K            0
         tmpfs dir            0            0K            0
               ixl            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
     tmpfs extattr            0            0K            0
           NFS FHA            0            0K            0
         newnfsmnt            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
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
          xen_intr            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
       NFSCL owner            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            NFS fh            0            0K            0
            xenbus            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
     vm_fictitious            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
           UMAHash            0            0K            0
            DEVFS4            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           18
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            4
           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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       17564       0     254   38494208        0
              mbuf    256    8578    1085       29511       0     254    2473728        0
              pbuf   2624       0     794           0       0       2    2083456        0
          BUF TRIE    144     185   11631         567       0      62    1701504        0
        malloc-384    384    4191       9        4193       0      30    1612800        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11562     156       15064       0     126    1499904        0
       malloc-4096   4096     330       4         691       0       2    1368064        0
       UMA Slabs 0    112   10772      22       10772       0     126    1208928        0
         vmem btag     56   16476      51       16476       0     254     925512        0
         FFS inode   1160     489      29         511       0       8     600880        0
           sctp_ep   1176       0     510       13251       0     254     599760        0
        RADIX NODE    144    3363     300       64521       0      62     527472        0
            socket    960      18     490       14571       0     254     487680        0
         VM OBJECT    264    1413     117       59867       0      30     403920        0
      malloc-65536  65536       4       2          50       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
       malloc-2048   2048       8     136         539       0       8     294912        0
        256 Bucket   2048     134      10        1092       0       8     294912        0
         malloc-64     64    3869     226        9291       0     254     262080        0
             VNODE    448     520      56         544       0      30     258048        0
         malloc-16     16   14417     333       20380       0     254     236000        0
            DEVCTL   1024       0     220         124       0       0     225280        0
        malloc-256    256     779      91         885       0      62     222720        0
            THREAD   1824     114       7         114       0       8     220704        0
       malloc-4096   4096      47       5        5829       0       2     212992        0
         malloc-32     32    5387     787       11008       0     254     197568        0
      malloc-65536  65536       3       0           3       0       1     196608        0
       mbuf_packet    256       1     761        8920       0     254     195072        0
         MAP ENTRY     96    1604     412      178310       0     126     193536        0
         UMA Zones    768     239       0         239       0      16     183552        0
        malloc-128    128    1169     226       27015       0     126     178560        0
       malloc-1024   1024     132      28        1014       0      16     163840        0
       FFS2 dinode    256     489      81         511       0      62     145920        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         126       0       1     131072        0
        malloc-128    128     880     143         884       0     126     130944        0
             unpcb    256       7     503        1164       0     254     130560        0
       S VFS Cache    104     969     201        1008       0     126     121680        0
     FPU_save_area    832     116      28         130       0      16     119808        0
          ksiginfo    112      37    1007          53       0     126     116928        0
        128 Bucket   1024      50      49        1251       0      16     101376        0
           VMSPACE   2560      24      12        5184       0       4      92160        0
              PROC   1376      40      26        5199       0       8      90816        0
          UMA Kegs    384     225       8         225       0      30      89472        0
      malloc-16384  16384       5       0          15       0       1      81920        0
       malloc-8192   8192       5       5        4422       0       1      81920        0
         filedesc0   1072      41      29        5200       0       8      75040        0
             g_bio    408       0     180        4735       0      30      73440        0
         malloc-64     64     566     505       20241       0     254      68544        0
        malloc-128    128     385     142         839       0     126      67456        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
       malloc-4096   4096      14       2          25       0       2      65536        0
        malloc-256    256     166      89         304       0      62      65280        0
         64 Bucket    512      64      48        4160       0      30      57344        0
         malloc-64     64     176     643        5335       0     254      52416        0
         malloc-64     64     283     536        4733       0     254      52416        0
         malloc-64     64     460     359         688       0     254      52416        0
        malloc-128    128      25     378        9122       0     126      51584        0
        malloc-256    256      66     129         216       0      62      49920        0
        malloc-256    256      49     146         928       0      62      49920        0
        malloc-256    256      75     120         212       0      62      49920        0
        malloc-256    256     128      67         527       0      62      49920        0
        malloc-256    256      27     168       22934       0      62      49920        0
         32 Bucket    256      56     139       88962       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       16637       0      16      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-4096   4096      10       2          11       0       2      49152        0
       malloc-2048   2048       5      19         529       0       8      49152        0
       malloc-2048   2048       4      20       13257       0       8      49152        0
            da_ccb    544       0      84        1318       0      16      45696        0
          syncache    168       0     264           5       0     254      44352        0
            clpbuf   2624       0      16          27       0      16      41984        0
       malloc-8192   8192       4       1           6       0       1      40960        0
       malloc-8192   8192       5       0           5       0       1      40960        0
          4 Bucket     48       7     833        1087       0     254      40320        0
         udp_inpcb    424       6      84         128       0      30      38160        0
            pcpu-8      8    4222     386        4250       0     254      36864        0
         malloc-64     64       6     561          37       0     254      36288        0
         malloc-64     64      33     534       70008       0     254      36288        0
         malloc-64     64       3     564         515       0     254      36288        0
        malloc-128    128      24     255          74       0     126      35712        0
        malloc-128    128      16     263          33       0     126      35712        0
        malloc-128    128      48     231         607       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      73      17         425       0      30      34560        0
        malloc-384    384      33      57         100       0      30      34560        0
        malloc-256    256      52      83          55       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      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          61       0       8      32768        0
       malloc-2048   2048       5      11         196       0       8      32768        0
       malloc-1024   1024       1      31           5       0      16      32768        0
       malloc-1024   1024      14      18          14       0      16      32768        0
       malloc-1024   1024       5      27          21       0      16      32768        0
       malloc-1024   1024       4      28         155       0      16      32768        0
       malloc-1024   1024       2      30           6       0      16      32768        0
       malloc-1024   1024      10      22         518       0      16      32768        0
        malloc-512    512       1      63         119       0      30      32768        0
        malloc-512    512       2      62          11       0      30      32768        0
        malloc-512    512       2      62          12       0      30      32768        0
        malloc-512    512       4      60          54       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
    ertt_txseginfo     40       1     807        4697       0     254      32320        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80      71     329       24258       0     126      32000        0
          8 Bucket     80      61     339         785       0     126      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         malloc-32     32     278     604         352       0     254      28224        0
         16 Bucket    144      45     151         275       0      62      28224        0
         TURNSTILE    136     122      67         122       0      62      25704        0
             ripcb    392       1      62           4       0      30      24696        0
       malloc-8192   8192       2       1          28       0       1      24576        0
       malloc-8192   8192       1       2         102       0       1      24576        0
              PGRP     88      20     256          32       0     126      24288        0
          rl_entry     40      28     578          28       0     254      24240        0
           rtentry    168      13     131          17       0      62      24192        0
              pipe    728       7      26         286       0      16      24024        0
         tcp_inpcb   1304       3      15           7       0       8      23472        0
        malloc-384    384      11      49          11       0      30      23040        0
        malloc-384    384       1      59       13252       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     122     134         122       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
               PWD     32      10     620         102       0     254      20160        0
         malloc-32     32      25     605          92       0     254      20160        0
         malloc-32     32      10     620          53       0     254      20160        0
         malloc-32     32      56     574         106       0     254      20160        0
         malloc-32     32      62     568         784       0     254      20160        0
         malloc-32     32      39     591        2946       0     254      20160        0
         malloc-32     32      22     608       13832       0     254      20160        0
          2 Bucket     32      50     580         320       0     254      20160        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-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2           2       0       2      16384        0
       malloc-2048   2048       0       8          12       0       8      16384        0
       malloc-1024   1024       2      14          42       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       1      31           2       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
              kenv    258      15      45        1034       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
   tcp_inpcb ports     32       1     377           1       0     254      12096        0
      vtnet_tx_hdr     24       0     501        6625       0     254      12024        0
             KNOTE    160       0      75           8       0      62      12000        0
         malloc-16     16      16     734          55       0     254      12000        0
         malloc-16     16      28     722          72       0     254      12000        0
         malloc-16     16     264     486         264       0     254      12000        0
         malloc-16     16      47     703         113       0     254      12000        0
         malloc-16     16     186     564        3073       0     254      12000        0
         malloc-16     16      21     729       26412       0     254      12000        0
         malloc-16     16      12     738       13285       0     254      12000        0
        malloc-384    384       1      29           1       0      30      11520        0
       malloc-4096   4096       0       2           4       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
   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    144       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    336       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   2264       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
       ripcb ports     32       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    424       0       0           0       0      30          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
               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
           NCLNODE    608       0       0           0       0      16          0        0
        TMPFS node    232       0       0           0       0      62          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      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       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

Crashes (14):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/29 23:27 freebsd-src b347c2284603 ee50e71c console log report syz C ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2022/10/05 14:17 freebsd-src fbc9f1b2d6cf e0b72940 console log report syz C ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2024/04/01 14:59 freebsd-src 319a5d086b50 6baf5069 console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2024/02/29 01:55 freebsd-src 253d8a1f8a24 352ab904 console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2024/02/07 16:18 freebsd-src f493ea650e61 6404acf9 console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2023/12/18 21:00 freebsd-src 92f58c69a14c 924661f4 console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2024/04/03 17:16 freebsd-src 584e1c355ae3 9d2a90af console log report ci-freebsd-i386 Fatal trap NUM: page fault in kasan_atomic_load_int
2023/11/21 06:07 freebsd-src bbbd7aab1bed cb976f63 console log report ci-freebsd-i386 Fatal trap NUM: page fault in kasan_atomic_load_int
2023/08/08 16:09 freebsd-src d4a8f5bf1339 696a556e console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2023/07/04 18:28 freebsd-src d7614c010c76 ee50e71c console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2022/10/07 10:52 freebsd-src 53af69038164 79a59635 console log report ci-freebsd-main Fatal trap NUM: page fault in kasan_atomic_load_int
2023/06/22 14:19 freebsd-src 781624ca2d05 ee50e71c console log report ci-freebsd-i386 Fatal trap NUM: page fault in kasan_atomic_load_int
2022/10/10 20:53 freebsd-src 29d7f1ff5795 5bcf0c31 console log report ci-freebsd-i386 Fatal trap NUM: page fault in kasan_atomic_load_int
2022/09/21 16:43 freebsd-src 71f0c44a0454 380f82fb console log report ci-freebsd-i386 Fatal trap NUM: page fault in kasan_atomic_load_int
* Struck through repros no longer work on HEAD.