syzbot


Fatal trap NUM: page fault in kasan_atomic_fetchadd_int

Status: upstream: reported on 2024/04/08 23:41
Reported-by: syzbot+aceb626fed10aa3c5b20@syzkaller.appspotmail.com
First crash: 41d, last: 41d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0xf
fault code		= supervisor write data, page not present
instruction pointer	= 0x20:0xffffffff8156bb26
stack pointer	        = 0x0:0xfffffe006aa45680
frame pointer	        = 0x0:0xfffffe006aa45690
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		= 2285 (syz-executor.1)
rdi: 000000000000000f rsi: 00000000ffffffff rdx: fffffe00033eee30
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 0000000000010115
rax: 00000000ffffffff rbx: 00000000ffffffff rbp: fffffe006aa45690
r10: 0000000000000000 r11: 000000000000001f r12: ffffffffffffffff


FreeBSD/amd64r13: 000000000000000f r14: fffffe0075e3f000 r15: fffffe0075e3f01c
trap number		= 12
panic: page fault
cpuid = 0
time = 1712619621
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe006aa44db0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe006aa44f10
vpanic() at vpanic+0x26a/frame 0xfffffe006aa450d0
panic() at panic+0xb5/frame 0xfffffe006aa45190
trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe006aa452b0
trap_pfault() at trap_pfault+0x179/frame 0xfffffe006aa453d0
trap() at trap+0x648/frame 0xfffffe006aa455b0
calltrap() at calltrap+0x8/frame 0xfffffe006aa455b0
--- trap 0xc, rip = 0xffffffff8156bb26, rsp = 0xfffffe006aa45680, rbp = 0xfffffe006aa45690 ---
kasan_atomic_fetchadd_int() at kasan_atomic_fetchadd_int+0x186/frame 0xfffffe006aa45690
m_free() at m_free+0x104/frame 0xfffffe006aa456d0
m_freem() at m_freem+0x48/frame 0xfffffe006aa456f0
uipc_sosend_stream_or_seqpacket() at uipc_sosend_stream_or_seqpacket+0x126d/frame 0xfffffe006aa45960
sousrsend() at sousrsend+0x117/frame 0xfffffe006aa459f0
kern_sendit() at kern_sendit+0x4fc/frame 0xfffffe006aa45b50
freebsd32_sendmsg() at freebsd32_sendmsg+0x515/frame 0xfffffe006aa45d10
ia32_syscall() at ia32_syscall+0x4aa/frame 0xfffffe006aa45f30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xdfffcf9c
KDB: enter: panic
[ thread pid 2285 tid 101384 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xfffffe006f000000
rdx                    0x3ffff
rbx         0xffffffff826ed680  .str.27
rsp         0xfffffe006aa44ef0
rbp         0xfffffe006aa44f10
rsi                    0x40001
rdi         0xffffffff815c0059  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe0075e3f000
r13         0xfffffffffffffffe
r14         0xffffffff826ed680  .str.27
r15                          0
rip         0xffffffff815acc1e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
db> show proc
Process 2285 (syz-executor.1) at 0xfffffe0075e9c580:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 771 at 0xfffffe00579ed020
 ABI: FreeBSD ELF32
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.1 exec
 reaper: 0xfffffe005420b040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00743924d0
   (map 0xfffffe00743924d0)
   (map.pmap 0xfffffe0074392590)
   (pmap 0xfffffe0074392600)
 threads: 2
101143                   S       nanslp  0xffffffff83956481  syz-executor.1
101384                   Run     CPU 0                       syz-executor.1
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2285   771   771     0  R       (threaded)                  syz-executor.1
101143                   S       nanslp  0xffffffff83956481  syz-executor.1
101384                   Run     CPU 0                       syz-executor.1
 2254  2253  2253     0  D       ifnet_d 0xffffffff83a74340  ifconfig
 2253   768  2253     0  Ss      wait    0xfffffe006a812040  syz-executor.0
 2240     1   771     0  S       uwait   0xfffffe0057370300  syz-executor.1
 2231     1   771     0  S       uwait   0xfffffe006d68c380  syz-executor.1
 2172     1   770     0  S       uwait   0xfffffe005736e300  syz-executor.0
 2124     0     0     0  DL      mdwait  0xfffffe0075f15000  [md0]
 2112     1   770     0  SV      uwait   0xfffffe006d68c480  syz-executor.0
 1963     1   770     0  SV      uwait   0xfffffe006d68da80  syz-executor.0
 1914     1   770     0  SV      uwait   0xfffffe006d68d300  syz-executor.0
 1720     1   770     0  S       uwait   0xfffffe005736e700  syz-executor.0
 1711     1   771     0  S       uwait   0xfffffe0057370400  syz-executor.1
 1552     1   770     0  S       uwait   0xfffffe005736f680  syz-executor.0
 1511     1   770     0  S       uwait   0xfffffe00578c9100  syz-executor.0
 1502  1501  1501     0  D       ifnet_d 0xffffffff83a74340  ifconfig
 1501   768  1501     0  Ss      wait    0xfffffe0075e9b560  syz-executor.3
 1444  1438  1444     0  Ss      select  0xfffffe006d04a5c0  dhclient
 1441     1  1441     0  Ss      select  0xfffffe0007876e40  dhclient
 1438  1428   424    65  S       select  0xfffffe0007876dc0  dhclient
 1428   424   424     0  S       wait    0xfffffe006d6c6000  sh
 1234     1   777     0  S       uwait   0xfffffe006d68de00  syz-executor.3
 1228     1   770     0  S       uwait   0xfffffe006d68da00  syz-executor.0
 1226     1   777     0  S       uwait   0xfffffe006d68ed00  syz-executor.3
 1212     1   770     0  S       uwait   0xfffffe006d68cd80  syz-executor.0
 1166     1   770     0  S       uwait   0xfffffe00578c9300  syz-executor.0
 1165     1   770     0  S       uwait   0xfffffe00578c9880  syz-executor.0
 1152     1   770     0  S       uwait   0xfffffe0057370e80  syz-executor.0
 1151     1   770     0  S       uwait   0xfffffe006d68d580  syz-executor.0
 1124     1   771     0  S       uwait   0xfffffe006d68d480  syz-executor.1
 1123     1   771     0  S       uwait   0xfffffe006d68e280  syz-executor.1
 1116     1   777     0  S       uwait   0xfffffe0057370880  syz-executor.3
 1115     1   777     0  S       uwait   0xfffffe00578c9a80  syz-executor.3
 1110     1   771     0  S       uwait   0xfffffe006d68d880  syz-executor.1
 1109     1   771     0  S       uwait   0xfffffe006d68db00  syz-executor.1
 1108     1   770     0  S       uwait   0xfffffe006d68d780  syz-executor.0
 1107     1   770     0  S       uwait   0xfffffe006d68d680  syz-executor.0
 1105     1   777     0  S       uwait   0xfffffe005736ec00  syz-executor.3
 1104     1   777     0  S       uwait   0xfffffe006d68e080  syz-executor.3
 1097     1   771     0  S       uwait   0xfffffe005736ed00  syz-executor.1
 1096     1   771     0  S       uwait   0xfffffe0057370c80  syz-executor.1
 1094     1   777     0  S       uwait   0xfffffe006d68e480  syz-executor.3
 1093     1   777     0  S       uwait   0xfffffe0057370d80  syz-executor.3
 1092     1   770     0  S       uwait   0xfffffe0057370a80  syz-executor.0
 1091     1   770     0  S       uwait   0xfffffe0057370280  syz-executor.0
 1078  1077  1077     0  D       tun_con 0xfffffe0057b23828  ifconfig
 1077   768  1077     0  Ss      wait    0xfffffe005420c5c0  syz-executor.2
 1060     1   770     0  S       uwait   0xfffffe006d68df00  syz-executor.0
 1059     1   770     0  S       uwait   0xfffffe00742fd480  syz-executor.0
  996     1   770     0  S       uwait   0xfffffe00578c9c80  syz-executor.0
  987     1   771     0  S       uwait   0xfffffe0057370b80  syz-executor.1
  980     1   771     0  S       uwait   0xfffffe00578c9980  syz-executor.1
  971     1   774     0  S       uwait   0xfffffe00578c9000  syz-executor.2
  848     0     0     0  DL      aiordy  0xfffffe0074161580  [aiod4]
  847     0     0     0  DL      aiordy  0xfffffe0074161ae0  [aiod3]
  846     0     0     0  DL      aiordy  0xfffffe006d6c6560  [aiod2]
  845     0     0     0  DL      aiordy  0xfffffe006d6c6ac0  [aiod1]
  771   768   771     0  Ss      nanslp  0xffffffff83956481  syz-executor.1
  768   766   766     0  S       (threaded)                  syz-fuzzer
100086                   S       uwait   0xfffffe005736f380  syz-fuzzer
100117                   S       uwait   0xfffffe00578cab00  syz-fuzzer
100118                   S       wait    0xfffffe0007ce7000  syz-fuzzer
100119                   S       wait    0xfffffe0007ce7000  syz-fuzzer
100120                   S       uwait   0xfffffe00578cae00  syz-fuzzer
100121                   S       uwait   0xfffffe00578caf00  syz-fuzzer
100122                   S       kqread  0xfffffe0007c82c00  syz-fuzzer
100123                   S       wait    0xfffffe0007ce7000  syz-fuzzer
100124                   S       wait    0xfffffe0007ce7000  syz-fuzzer
100125                   S       uwait   0xfffffe0007980700  syz-fuzzer
100126                   S       uwait   0xfffffe00578cb180  syz-fuzzer
100136                   S       uwait   0xfffffe00578c9d80  syz-fuzzer
100713                   S       uwait   0xfffffe00578ccd00  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe006a811b90  csh
  764   682   764     0  Ss      select  0xfffffe00078776c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe0007d1e4b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005874a8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005874b0b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005874b8b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0056ec00b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0056ec08b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0056ec10b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0056ec18b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0056ec20b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff83956480  cron
  682     1   682     0  Ss      select  0xfffffe00078779c0  sshd
  495     1   495     0  Ds      biowr   0xfffffe0007e1d910  syslogd
  424     1   424     0  Ss      wait    0xfffffe006a810ac0  devd
  423     1   423    65  Ss      select  0xfffffe006d04aec0  dhclient
  338     1   338     0  Ss      select  0xfffffe0007877d40  dhclient
  335     1   335     0  Ss      select  0xfffffe006d04b140  dhclient
   17     0     0     0  DL      syncer  0xffffffff83a73ba0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0007cea060  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83a72180  [bufdaemon]
100082                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe005898ece8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83abb680  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83aa34f8  [dom0]
100080                   D       launds  0xffffffff83aa3504  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d508d0  [uma]
    7     0     0     0  DL      -       0xffffffff836d3cb0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84647bb0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84337760  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff8369e340  [doneq0]
100045                   D       -       0xffffffff8369e2c0  [async]
100076                   D       -       0xffffffff8369e140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83a9ed20  [crypto]
100042                   D       crypto_ 0xfffffe0007c85030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0007c85080  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe0056f60c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff838fee00  [g_event]
100036                   D       -       0xffffffff838fee20  [g_up]
100037                   D       -       0xffffffff838fee40  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   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                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe005420b040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83a9f780  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff838ff7e0  [swapper]
100005                   D       -       0xfffffe00085f7d00  [softirq_0]
100006                   D       -       0xfffffe00085f7c00  [softirq_1]
100007                   D       -       0xfffffe00085f7b00  [if_io_tqg_0]
100008                   D       -       0xfffffe00085f7a00  [if_io_tqg_1]
100009                   D       -       0xfffffe00085f7900  [if_config_tqg_0]
100010                   D       -       0xfffffe00085f7800  [pci_hp taskq]
100011                   D       -       0xfffffe00085f7700  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00085f7400  [thread taskq]
100016                   D       -       0xfffffe00085f7200  [aiod_kick taskq]
100017                   D       -       0xfffffe00085f7100  [deferred_unmount ta]
100018                   D       -       0xfffffe00085f7000  [inm_free taskq]
100019                   D       -       0xfffffe00085f6e00  [in6m_free taskq]
100020                   D       -       0xfffffe00085f6d00  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085f6c00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085f6b00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00085f6a00  [firmware taskq]
100039                   D       -       0xfffffe00085f6700  [crypto_0]
100040                   D       -       0xfffffe00085f6700  [crypto_1]
100055                   D       -       0xfffffe00085f6500  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00085f6400  [vtnet0 txq 0]
100057                   D       -       0xfffffe00085f6300  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00085f6200  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0007cbc380  [virtio_balloon]
100066                   D       -       0xffffffff826f28c1  [deadlkres]
100070                   D       -       0xfffffe005797ab00  [acpi_task_0]
100071                   D       -       0xfffffe005797ab00  [acpi_task_1]
100072                   D       -       0xfffffe005797ab00  [acpi_task_2]
100074                   D       -       0xfffffe00085f8100  [mca taskq]
100075                   D       -       0xfffffe00085f6600  [CAM taskq]
db> show all locks
Process 1078 (ifconfig) thread 0xfffffe006d6f1000 (100140)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83a74340) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:3039
Process 495 (syslogd) thread 0xfffffe006a804000 (100105)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007e1d990) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:4012
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006d2025b0) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_syscalls.c:3581
db> show malloc
              Type        InUse        MemUse     Requests
         sctp_stro           58        23128K          342
           pf_hash            5        11524K            5
            linker          371         4934K          492
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4221
         sysctloid        34865         2055K        34936
             vtbuf           24         1968K           46
              kobj          326         1304K          497
            newblk          680         1194K         2179
          vfscache            3         1025K            3
               pcb          272          948K         2085
          filedesc           90          714K         2802
          inodedep           65          536K         1297
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          216          422K         2411
              vmem            3          266K            6
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K         4619
            acpica         1674          184K        60830
           tidhash            3          141K            3
           pagedep           40          138K         1132
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          110          110K          127
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus          985           81K         5155
          mtx_pool            2           72K            2
         sctp_atcl          182           69K         1382
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          513           65K          513
       ddb_capture            1           64K            1
           kdtrace          288           55K         3672
              umtx          432           54K          432
              temp           33           37K         2121
               BPF           22           36K           24
            DEVFS3          129           33K          139
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           69
               LRO           18           19K           18
         ufs_mount            4           17K            5
              proc            3           17K            3
           filemon            2           16K           52
               tty           16           16K           16
          routetbl          130           16K          410
           ithread           97           16K           97
           lltable           47           15K           52
            bus-sc           34           15K         1687
      eventhandler          162           14K          162
      tcp_fsb_rack            6           13K          216
             ifnet            7           13K            7
       ether_multi          152           13K          175
              ksem           31           12K           46
              kenv           95           12K           95
              GEOM           68           12K          526
              rman           86           11K          451
         CAM queue            5           11K         1528
         sctp_atky          240           10K         1827
         in6_multi           65            9K           65
         sctp_timw           33            9K           33
         bmsafemap            2            9K         1250
            kqueue           97            9K         2404
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
             shmfd            1            8K            4
       pfs_vncache            1            8K            1
     audit_evclass          238            8K          300
         taskqueue           63            7K           75
            DEVFSP          104            7K          269
            sglist            6            7K            6
            plimit           24            6K          390
           CAM DEV            3            6K          510
           pwddesc           94            6K         2329
              cred           23            6K          312
          kcovinfo           91            6K           91
            CC Mem           22            6K          353
         pfs_nodes           22            6K           22
             hhook           15            5K           17
       ufs_dirhash           24            5K           24
         newdirblk           35            5K         1116
               UMA          267            5K          267
             lockf           43            5K           67
          pf_ifnet           10            5K           20
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
           md_disk            1            4K            2
             evdev            4            4K            4
           session           28            4K           44
           acpisem           28            4K           28
         proc-args          120            4K         3431
         sctp_athm          182            3K         1442
          terminal           11            3K           11
            dirrem            9            3K         1218
             clone            9            3K            9
           uidinfo            3            3K           34
        local_apic            1            2K            1
           io_apic            1            2K            1
          freefile           16            2K         1160
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
          sctp_map          116            2K          658
          sctp_ifa           13            2K           14
            diradd           13            2K         1248
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       31907       0     254   38494208        0
              mbuf    256    8825    3883      104687       0     254    3253248        0
       malloc-4096   4096     433       7        3455       0       2    1802240        0
        malloc-384    384    4406      64        5624       0      30    1716480        0
          BUF TRIE    144     232   11556         929       0      62    1697472        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11449     145       11521       0     126    1484032        0
        RADIX NODE    144    8431     272       52096       0      62    1253232        0
       UMA Slabs 0    112   11101      17       11101       0     126    1245216        0
         sctp_asoc   2256      58     452         328       0     254    1150560        0
      malloc-65536  65536      15       2          20       0       1    1114112        0
         vmem btag     56   17252     139       17252       0     254     973896        0
      malloc-16384  16384      48       5        1402       0       1     868352        0
         FFS inode   1168     554      48        1720       0       8     703136        0
           sctp_ep   1144     124     387         994       0     254     584584        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
            socket    960     125     383        2931       0     254     487680        0
         VM OBJECT    264    1679     121       28813       0      30     475200        0
        256 Bucket   2048     186      14        1253       0       8     409600        0
            THREAD   1824     193      23        1384       0       8     393984        0
        sctp_raddr    736      58     459         469       0     254     380512        0
             VNODE    448     594      99        1762       0      30     310464        0
       malloc-2048   2048     126      18         996       0       8     294912        0
         MAP ENTRY     96    2468     430       85314       0     126     278208        0
         malloc-64     64    3894     201        3906       0     254     262080        0
       malloc-2048   2048     106      14         183       0       8     245760        0
         malloc-16     16   14424     326       14846       0     254     236000        0
            DEVCTL   1024      23     197         150       0       0     225280        0
        malloc-256    256     691     179        2385       0      62     222720        0
        malloc-256    256     437     433        3545       0      62     222720        0
           tcp_log    416       0     513         322       0     254     213408        0
       malloc-1024   1024     186      22         488       0      16     212992        0
     FPU_save_area    832     195      48        2179       0      16     202176        0
      malloc-32768  32768       1       5          89       0       1     196608        0
       mbuf_packet    256      24     738       24205       0     254     195072        0
        malloc-128    128    1289     230       31125       0     126     194432        0
         UMA Zones    768     239       0         239       0      16     183552        0
         malloc-32     32    5279     391        5310       0     254     181440        0
       FFS2 dinode    256     554     136        1720       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
        malloc-384    384      77     373        1309       0      30     172800        0
              PROC   1376      93      28        2286       0       8     166496        0
        sctp_chunk    152      51     989         946       0     254     158080        0
       malloc-2048   2048      12      60        1134       0       8     147456        0
        malloc-128    128     701     446        3026       0     126     146816        0
       S VFS Cache    104    1027     377        2272       0     126     146016        0
         filedesc0   1072      94      32        2329       0       8     135072        0
      malloc-65536  65536       0       2          78       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
             unpcb    256      13     497        1236       0     254     130560        0
          ksiginfo    112     103     941        1515       0     126     116928        0
    ertt_txseginfo     40       0    2828       31688       0     254     113120        0
       malloc-8192   8192       8       5          59       0       1     106496        0
       tcp_bbr_map    128       3     772        2851       0     126      99200        0
        malloc-128    128     491     284        1798       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
             g_bio    408       4     236        8066       0      30      97920        0
          UMA Kegs    384     226       7         226       0      30      89472        0
          syncache    168       0     528           8       0     254      88704        0
        128 Bucket   1024      64      19         328       0      16      84992        0
       malloc-8192   8192       9       1          11       0       1      81920        0
       malloc-4096   4096      16       4          33       0       2      81920        0
        malloc-256    256     199     116        1695       0      62      80640        0
        sctp_readq    152       0     520          49       0     254      79040        0
         malloc-64     64     477     594         960       0     254      68544        0
         malloc-64     64     643     428       19770       0     254      68544        0
        malloc-128    128     332     195        1680       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-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
        malloc-256    256      75     180        4387       0      62      65280        0
         tcp_inpcb   1304      22      26         341       0       8      62592        0
sctp_stream_msg_out    112       9     531          88       0     254      60480        0
           VMSPACE    616      72      24        1986       0      16      59136        0
        malloc-384    384     123      27         466       0      30      57600        0
       malloc-4096   4096      10       4          26       0       2      57344        0
         64 Bucket    512      89      15        2509       0      30      53248        0
         udp_inpcb    416       9     117         243       0      30      52416        0
         malloc-64     64      99     720         866       0     254      52416        0
         malloc-64     64     575     244        5777       0     254      52416        0
             Files     80     374     276       11378       0     126      52000        0
        malloc-256    256      80     115        1325       0      62      49920        0
        malloc-256    256      75     120         205       0      62      49920        0
         32 Bucket    256      94     101        2433       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       19098       0      16      49152        0
       malloc-8192   8192       3       3          37       0       1      49152        0
       malloc-2048   2048      16       8          43       0       8      49152        0
       malloc-1024   1024      10      38        1615       0      16      49152        0
               PWD     40      45    1066        1163       0     254      44440        0
         TURNSTILE    136     217      98         217       0      62      42840        0
            pcpu-8      8    4753     367        4976       0     254      40960        0
            da_ccb    544       1      69        2135       0      16      38080        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64      38     529       25955       0     254      36288        0
         malloc-64     64     131     436        3475       0     254      36288        0
         malloc-64     64      25     542          29       0     254      36288        0
      tcp_rack_map    128       9     270         201       0     126      35712        0
        malloc-128    128       5     274           7       0     126      35712        0
        malloc-128    128      66     213        3480       0     126      35712        0
        malloc-128    128      65     214          74       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
             ripcb    384       2      88          64       0      30      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      28     107        3159       0      62      34560        0
        malloc-256    256      53      82        1020       0      62      34560        0
        SLEEPQUEUE     88     217     167         217       0     126      33792        0
      malloc-16384  16384       2       0           2       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-2048   2048       4      12          22       0       8      32768        0
       malloc-2048   2048       0      16          40       0       8      32768        0
       malloc-2048   2048       3      13         197       0       8      32768        0
       malloc-1024   1024       2      30          46       0      16      32768        0
       malloc-1024   1024       1      31           7       0      16      32768        0
       malloc-1024   1024       5      27         104       0      16      32768        0
       malloc-1024   1024      10      22         175       0      16      32768        0
        malloc-512    512       9      55         141       0      30      32768        0
        malloc-512    512       3      61          39       0      30      32768        0
        malloc-512    512       4      60         140       0      30      32768        0
        malloc-512    512       1      63          97       0      30      32768        0
        malloc-512    512       6      58          59       0      30      32768        0
           pcpu-64     64     488      24         488       0     254      32768        0
             KNOTE    160      36     164       18625       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      28     236          44       0     126      31680        0
            clpbuf   2624       0      12          28       0       4      31488        0
       tcp_bbr_pcb    832       1      35          96       0      16      29952        0
   sctp_asconf_ack     48       0     588           7       0     254      28224        0
        sctp_laddr     48      95     493         332       0     254      28224        0
         malloc-32     32     277     605        3319       0     254      28224        0
         16 Bucket    144      65     131         335       0      62      28224        0
          4 Bucket     48       6     582           8       0     254      28224        0
               AIO    208       1     132         309       0      62      27664        0
     udplite_inpcb    416       0      63          10       0      30      26208        0
            cpuset    200       7     121          19       0      62      25600        0
       malloc-8192   8192       1       2         102       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       2       4         230       0       2      24576        0
      tcp_rack_pcb   1216       3      17         108       0       8      24320        0
          rl_entry     40      64     542          65       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
              pipe    728      23      10         392       0      16      24024        0
          8 Bucket     80      60     240         589       0     126      24000        0
            itimer    352       0      66          40       0      30      23232        0
        malloc-384    384       1      59          14       0      30      23040        0
        malloc-384    384       1      59          91       0      30      23040        0
        malloc-384    384      22      38          25       0      30      23040        0
   udp_inpcb ports     32       3     627          61       0     254      20160        0
   tcp_inpcb ports     32       8     622          97       0     254      20160        0
              ertt     72      22     258         341       0     126      20160        0
         malloc-32     32      82     548          92       0     254      20160        0
         malloc-32     32     196     434        1731       0     254      20160        0
         malloc-32     32     312     318        2963       0     254      20160        0
         malloc-32     32      40     590        1292       0     254      20160        0
         malloc-32     32      57     573         962       0     254      20160        0
         malloc-32     32      30     600         100       0     254      20160        0
          2 Bucket     32      64     566         604       0     254      20160        0
           cryptop    280       0      70          10       0      30      19600        0
             AIOCB    552       0      35          17       0      16      19320        0
       L VFS Cache    320       0      60          13       0      30      19200        0
            AIOLIO    272       0      70         300       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      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       1       1          20       0       1      16384        0
       malloc-4096   4096       1       3           2       0       2      16384        0
       malloc-4096   4096       3       1           3       0       2      16384        0
       malloc-2048   2048       0       8           2       0       8      16384        0
       malloc-1024   1024       8       8           8       0      16      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668       34316       0     254      16032        0
         malloc-16     16     342     658        2831       0     254      16000        0
              kenv    258      17      43        1076       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
         domainset     40       0     315           9       0     254      12600        0
        SMR SHARED     24       7     504           7       0     254      12264        0
udplite_inpcb ports     32       0     378           1       0     254      12096        0
         malloc-16     16      28     722          67       0     254      12000        0
         malloc-16     16     310     440         523       0     254      12000        0
         malloc-16     16       2     748        1594       0     254      12000        0
         malloc-16     16     259     491        5966       0     254      12000        0
         malloc-16     16      29     721       27985       0     254      12000        0
         malloc-16     16      16     734          17       0     254      12000        0
        malloc-384    384      11      19          11       0      30      11520        0
       Mountpoints   2816       2       2           2       0       4      11264        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           2       0       2       8192        0
           pcpu-16     16       4     252           4       0     254       4096        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    360       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
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     40       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
          tcpreass     48       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    232       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          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-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

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/08 23:40 freebsd-src d80a97def9a1 f3234354 console log report ci-freebsd-i386 Fatal trap NUM: page fault in kasan_atomic_fetchadd_int
* Struck through repros no longer work on HEAD.