syzbot


panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb) (3)

Status: auto-obsoleted due to no activity on 2024/08/19 05:52
Reported-by: syzbot+787c73e4e52fffcd7537@syzkaller.appspotmail.com
First crash: 184d, last: 184d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb) (2) 6 402d 413d 2/2 fixed on 2023/10/17 20:37
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb) C 5 1172d 1175d 0/2 closed as dup on 2021/09/07 21:43
freebsd panic: ASan: Invalid access, 16-byte read at ADDR, MallocRedZone(fb) 20 1180d 1232d 0/2 closed as dup on 2021/07/10 00:25

Sample crash report:
panic: ASan: Invalid access, 8-byte read at 0xfffffe005435ebc8, MallocRedZone(fb)
cpuid = 1
time = 1716270712
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057255e70
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057255fd0
vpanic() at vpanic+0x280/frame 0xfffffe0057256190
panic() at panic+0xb5/frame 0xfffffe0057256260
kasan_report() at kasan_report+0xdf/frame 0xfffffe0057256330
pfi_kkif_update() at pfi_kkif_update+0xf3/frame 0xfffffe0057256410
pfi_kkif_update() at pfi_kkif_update+0x592/frame 0xfffffe00572564f0
pfi_ifaddr_event() at pfi_ifaddr_event+0x182/frame 0xfffffe00572565b0
srcaddr_change_event() at srcaddr_change_event+0x16e/frame 0xfffffe0057256690
in_control_ioctl() at in_control_ioctl+0x19cf/frame 0xfffffe0057256890
ifioctl() at ifioctl+0xdca/frame 0xfffffe0057256ad0
kern_ioctl() at kern_ioctl+0x4ca/frame 0xfffffe0057256bb0
sys_ioctl() at sys_ioctl+0x367/frame 0xfffffe0057256d10
amd64_syscall() at amd64_syscall+0x4cb/frame 0xfffffe0057256f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0057256f30
--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x8244c02ca, rsp = 0x8211b7368, rbp = 0x8211b73b0 ---
KDB: enter: panic
[ thread pid 2588 tid 100480 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23d03b7(%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         0xffffffff815b8bde  _vprintf+0x1ae
rdx                          0
rbx         0xffffffff826ebf40  .str.27
rsp         0xfffffe0057255fb0
rbp         0xfffffe0057255fd0
rsi                          0
rdi         0xffffffff815b9119  printf+0x149
r8                           0
r9                  0xffffffff
r10            0x100000000010f
r11         0xfffffe006dbe6c60
r12         0xfffffe0074d1c740
r13         0xfffffffffffffffd
r14         0xffffffff826ebf40  .str.27
r15                          0
rip         0xffffffff815a5cde  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23d03b7(%rip)
db> show proc
Process 2588 (ifconfig) at 0xfffffe00585e9ac0:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 2587 at 0xfffffe006e0bdae0
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: /sbin/ifconfig -n tap1 inet alias 0.0.0.0 netmask 255.0.0.0 broadcast 255.255.255.255 up
 reaper: 0xfffffe005420b040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0074e4a000
   (map 0xfffffe0074e4a000)
   (map.pmap 0xfffffe0074e4a0c0)
   (pmap 0xfffffe0074e4a130)
 threads: 1
100480                   Run     CPU 1                       ifconfig
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2588  2587   424     0  R       CPU 1                       ifconfig
 2587  2583   424     0  S       wait    0xfffffe006e0bdae0  sh
 2586     1  2586     0  Ss      select  0xfffffe00078771c0  dhclient
 2583  2572   424     0  S       wait    0xfffffe0074b59040  dhclient
 2573   883   883     0  S       (threaded)                  syz-executor.1
100173                   S       nanslp  0xffffffff83957440  syz-executor.1
100974                   S       connec  0xfffffe006b4310da  syz-executor.1
100975                   S       uwait   0xfffffe0074b91800  syz-executor.1
 2572   424   424     0  S       wait    0xfffffe006dc9f000  sh
 2559     1  2559    65  Ss      select  0xfffffe0007876bc0  dhclient
 2553   887   887 60928  R       (threaded)                  syz-executor.3
100582                   Run     CPU 0                       syz-executor.3
100970                   S       connec  0xfffffe006b43249a  syz-executor.3
100971                   S       uwait   0xfffffe006e0d6b80  syz-executor.3
 2500     1  2497     0  SV      uwait   0xfffffe0074b91c00  syz-executor.1
 2466     1   887     0  SV      uwait   0xfffffe0074b91500  syz-executor.3
 2462     1   883     0  SV      uwait   0xfffffe006e0d5e00  syz-executor.1
 2460     1   887     0  SV      uwait   0xfffffe006e0d7080  syz-executor.3
 2437     1   887     0  SV      uwait   0xfffffe006e0d5180  syz-executor.3
 2412     1   887     0  SV      uwait   0xfffffe00584c9080  syz-executor.3
 2386     1   883     0  SV      uwait   0xfffffe00584c9280  syz-executor.1
 2377     1   883     0  SV      uwait   0xfffffe0007b6e300  syz-executor.1
 2374     1   887     0  SV      uwait   0xfffffe0007b6f580  syz-executor.3
 2371     1   883     0  SV      uwait   0xfffffe006e0d5280  syz-executor.1
 2368     1   887     0  SV      uwait   0xfffffe0007b6dd80  syz-executor.3
 2305  2302   883     0  SV      uwait   0xfffffe0007b70b00  syz-executor.1
 2302     1   883     0  DV      ppwait  0xfffffe0074b57500  syz-executor.1
 2290     1   887     0  SV      uwait   0xfffffe0007980800  syz-executor.3
 2265  2263   887     0  SV      uwait   0xfffffe006e0d4e00  syz-executor.3
 2263     1   887     0  DV      ppwait  0xfffffe0074c49000  syz-executor.3
 2233  2231   887     0  SV      uwait   0xfffffe00584ca680  syz-executor.3
 2231     1   887     0  DV      ppwait  0xfffffe0057fe8540  syz-executor.3
 2193  2192  2192     0  D       ifnet_d 0xffffffff83a75300  ifconfig
 2192   768  2192     0  Ss      wait    0xfffffe0074c48040  syz-executor.2
 2155  2154  2154     0  D       tun_con 0xfffffe006dc340a8  ifconfig
 2154   768  2154     0  Ss      wait    0xfffffe0074ee5000  syz-executor.0
 2036  2035   883     0  SV      connec  0xfffffe006b44149a  syz-executor.1
 2035     1   883     0  DV      ppwait  0xfffffe006dca1540  syz-executor.1
 1993     1   883     0  SV      uwait   0xfffffe006e0d5800  syz-executor.1
 1964  1963   884     0  SV      connec  0xfffffe006b43d0da  syz-executor.0
 1963     1   884     0  DV      ppwait  0xfffffe0074c48aa0  syz-executor.0
 1962     1   883     0  SV      uwait   0xfffffe0074b93000  syz-executor.1
 1961     1   885     0  SV      uwait   0xfffffe0007b70700  syz-executor.2
 1947     1   887     0  SV      uwait   0xfffffe0074b93300  syz-executor.3
 1779     1   883     0  SV      uwait   0xfffffe0074b91f00  syz-executor.1
 1763     1   887     0  SV      uwait   0xfffffe0007b70f00  syz-executor.3
 1758     1   883     0  SV      uwait   0xfffffe0007b70a00  syz-executor.1
 1754     1   885     0  SV      uwait   0xfffffe0007b70300  syz-executor.2
 1743     1   887     0  SV      uwait   0xfffffe0074b92b80  syz-executor.3
 1729     1   884     0  SV      umtxn   0xfffffe006e0d6000  syz-executor.0
 1722     1   883     0  SV      uwait   0xfffffe00584c9580  syz-executor.1
 1720     1   885     0  SV      uwait   0xfffffe006e0d6780  syz-executor.2
 1717     1   887     0  SV      uwait   0xfffffe0074b92e80  syz-executor.3
 1715     1   884     0  SV      uwait   0xfffffe0074b92d80  syz-executor.0
 1707     1   883     0  SV      uwait   0xfffffe0007980700  syz-executor.1
 1706     1   885     0  SV      uwait   0xfffffe006e0d5a00  syz-executor.2
 1699     1   887     0  SV      uwait   0xfffffe0074b92780  syz-executor.3
 1684     1   884     0  SV      uwait   0xfffffe0074b93200  syz-executor.0
 1673     1   885     0  SV      uwait   0xfffffe0074b93400  syz-executor.2
 1672     1   883     0  SV      uwait   0xfffffe00584c9380  syz-executor.1
 1668     1   887     0  SV      uwait   0xfffffe0007b70600  syz-executor.3
 1667     1   884     0  SV      uwait   0xfffffe0074b92380  syz-executor.0
 1228     1  1228     0  Ss      select  0xfffffe006da30940  dhclient
 1205     1  1205     0  Ss      select  0xfffffe006da30ac0  dhclient
  939     1   885     0  SV      uwait   0xfffffe0007980500  syz-executor.2
  920     0     0     0  DL      aiordy  0xfffffe006e0be040  [aiod4]
  919     0     0     0  DL      aiordy  0xfffffe006e0be5a0  [aiod3]
  918     0     0     0  DL      aiordy  0xfffffe006e0beb00  [aiod2]
  917     0     0     0  DL      aiordy  0xfffffe006dc01060  [aiod1]
  887   768   887     0  Rs                                  syz-executor.3
  883   768   883     0  Rs                                  syz-executor.1
  768   766   766     0  S       (threaded)                  syz-fuzzer
100110                   S       wait    0xfffffe006dc9f560  syz-fuzzer
100111                   S       uwait   0xfffffe00584ca780  syz-fuzzer
100112                   S       uwait   0xfffffe00584ca880  syz-fuzzer
100113                   S       uwait   0xfffffe00584ca980  syz-fuzzer
100114                   S       wait    0xfffffe006dc9f560  syz-fuzzer
100115                   S       uwait   0xfffffe00584cab80  syz-fuzzer
100116                   S       wait    0xfffffe006dc9f560  syz-fuzzer
100122                   S       uwait   0xfffffe00584c9b00  syz-fuzzer
100123                   S       uwait   0xfffffe00584c9c00  syz-fuzzer
100124                   S       wait    0xfffffe006dc9f560  syz-fuzzer
100125                   S       uwait   0xfffffe00584c9e00  syz-fuzzer
100127                   S       uwait   0xfffffe00584c9f00  syz-fuzzer
100128                   S       kqread  0xfffffe0057f81c00  syz-fuzzer
100132                   S       uwait   0xfffffe0007980600  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe0057fe60b0  csh
  764   682   764     0  Ss      select  0xfffffe00078772c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe005801d4b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00593468b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00593470b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00593478b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00543690b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00543698b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe005436a0b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe005436a8b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe005436b0b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff83957440  cron
  682     1   682     0  Ss      select  0xfffffe006da30e40  sshd
  495     1   495     0  Ss      select  0xfffffe00078778c0  syslogd
  424     1   424     0  Ss      wait    0xfffffe00585ea020  devd
  423     1   423    65  Ds      ktrace_ 0xffffffff83903da0  dhclient
  338     1   338     0  Ss      select  0xfffffe0007877a40  dhclient
  335     1   335     0  Ss      select  0xfffffe0007877bc0  dhclient
   17     0     0     0  DL      syncer  0xffffffff83a74b60  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0057fe9060  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83a73140  [bufdaemon]
100082                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100092                   D       sdflush 0xfffffe0059638ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83abc700  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83aa4578  [dom0]
100080                   D       launds  0xffffffff83aa4584  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d48630  [uma]
    7     0     0     0  DL      -       0xffffffff836d4c50  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff8439cc10  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff848007e0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff8369f340  [doneq0]
100045                   D       -       0xffffffff8369f2c0  [async]
100076                   D       -       0xffffffff8369f140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83a9fd20  [crypto]
100042                   D       crypto_ 0xfffffe0057f84030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0057f84080  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe0057eb9c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff838ffda0  [g_event]
100036                   D       -       0xffffffff838ffdc0  [g_up]
100037                   D       -       0xffffffff838ffde0  [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                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe005420b040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83aa0780  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83900780  [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  0xfffffe0057fbd380  [virtio_balloon]
100066                   D       -       0xffffffff826f1180  [deadlkres]
100070                   D       -       0xfffffe0058577b00  [acpi_task_0]
100071                   D       -       0xfffffe0058577b00  [acpi_task_1]
100072                   D       -       0xfffffe0058577b00  [acpi_task_2]
100074                   D       -       0xfffffe00085f8100  [mca taskq]
100075                   D       -       0xfffffe00085f6600  [CAM taskq]
 2232  2231   887     0  Z                                   syz-executor.3
 2264  2263   887     0  Z                                   syz-executor.3
 2304  2302   883     0  Z                                   syz-executor.1
 2574  2573   883     0  Z                                   syz-executor.1
 2578  2573   883     0  Z                                   syz-executor.1
 1995  1993   883     0  Z                                   syz-executor.1
 1997  1993   883     0  Z                                   syz-executor.1
db> show all locks
Process 2588 (ifconfig) thread 0xfffffe0074d1c740 (100480)
exclusive rm pf rulesets (pf rulesets) r = 0 (0xfffffe0054041408) locked @ /syzkaller/managers/i386/kernel/sys/netpfil/pf/pf_if.c:1130
exclusive sx in_control (in_control) r = 0 (0xffffffff83a79900) locked @ /syzkaller/managers/i386/kernel/sys/netinet/in.c:365
Process 2553 (syz-executor.3) thread 0xfffffe0074d35000 (100582)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007f28600) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:4012
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe0074d7ecb0) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_ktrace.c:1358
exclusive sx ktrace_sx (ktrace_sx) r = 0 (0xffffffff83903da0) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_ktrace.c:699
Process 2155 (ifconfig) thread 0xfffffe0074afe000 (100549)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83a75300) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:3039
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            linker          372         4938K          482
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4220
         sysctloid        34865         2055K        34936
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk          766         1216K         2097
          vfscache            3         1025K            3
               pcb          255          925K         1741
          filedesc          108          858K         3365
          inodedep          111          554K          973
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
           subproc          231          482K         2714
              intr            4          472K            4
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K          199
            acpica         1674          184K        60830
           tidhash            3          141K            3
           pagedep           50          141K          752
              vmem            4          136K            6
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          110          110K          129
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus          985           81K         5155
          mtx_pool            2           72K            2
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          513           65K          513
       ddb_capture            1           64K            1
           kdtrace          310           58K         3565
              umtx          432           54K          432
         sctp_atcl          139           53K          930
              temp           33           37K         2386
               BPF           22           36K           23
         hostcache            1           32K            1
               shm            1           32K            3
            DEVFS3          128           32K          139
               msg            4           30K            4
            kbdmux            6           28K            6
         sctp_stro           25           25K          107
      tcp_fsb_rack           12           25K          240
               LRO           22           23K           24
        DEVFS_RULE           56           20K           56
            ifaddr           68           20K           82
         ufs_mount            4           17K            5
              proc            3           17K            3
          routetbl          147           17K          605
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1687
      eventhandler          162           14K          162
           lltable           42           13K           65
            dirrem           49           13K          880
             ifnet            7           13K            8
       ether_multi          152           13K          190
              kenv           95           12K           95
              GEOM           61           11K          477
              rman           86           11K          451
         CAM queue            5           11K         1528
              ksem            4           10K           78
            kqueue          111           10K         2668
         in6_multi           65            9K           75
         bmsafemap            3            9K          936
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
           filemon            1            8K           73
             shmfd            1            8K            3
              cred           32            8K          478
       pfs_vncache            1            8K            1
         sctp_timw           30            8K           30
     audit_evclass          238            8K          300
         taskqueue           63            7K           93
           pwddesc          102            7K         2602
            CC Mem           25            7K          403
          freefile           49            7K          829
            sglist            6            7K            6
         sctp_atky          169            7K         1066
            plimit           24            6K          455
           CAM DEV            3            6K          510
            DEVFSP           93            6K          331
         pfs_nodes           22            6K           22
         newdirblk           40            5K          736
          kcovinfo           78            5K          112
       ufs_dirhash           24            5K           24
               UMA          267            5K          267
          pf_ifnet           10            5K           44
         proc-args          133            5K         3867
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           session           30            4K           56
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          terminal           11            3K           11
             lockf           25            3K           95
           uidinfo            5            3K           79
             hhook            8            3K           10
          freework           10            3K          835
          freeblks            9            3K          733
             clone            9            3K            9
         sctp_athm          139            3K          930
            diradd           17            3K          914
             selfd           33            3K        14044
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           15
          sctp_ifa           13            2K           16
            Unitno           27            2K           53
           CAM XPT           22            2K          543
      tcp_pcm_rack            6            2K          120
               msi           12            2K           12
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               tun            4            2K            5
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             mkdir            4            1K         1472
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         cryptodev            6            1K          260
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           scsi_da            0            0K           69
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           nvme_da            0            0K            0
           CAM CCB            0            0K          523
     CAM ccb queue            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       36460       0     254   38494208        0
              mbuf    256    8851     812      129594       0     254    2473728        0
       malloc-4096   4096     451       3        3761       0       2    1859584        0
        malloc-384    384    4358      82        5182       0      30    1704960        0
          BUF TRIE    144     239   11549        1136       0      62    1697472        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11446     148       11531       0     126    1484032        0
       UMA Slabs 0    112   11115       3       11115       0     126    1245216        0
         sctp_asoc   2256      25     485         107       0     254    1150560        0
        RADIX NODE    144    7568     127       50759       0      62    1108080        0
      malloc-65536  65536      15       1          18       0       1    1048576        0
      malloc-16384  16384      57       5        1680       0       1    1015808        0
         vmem btag     56   17000      31       17000       0     254     953736        0
         FFS inode   1168     565     100        1405       0       8     776720        0
           sctp_ep   1152     114     397         823       0     254     588672        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     194           0       0       2     509056        0
            socket    960     160     348        2838       0     254     487680        0
         VM OBJECT    264    1719      21       25188       0      30     459360        0
            THREAD   1824     200      16         975       0       8     393984        0
        256 Bucket   2048     172      20        1228       0       8     393216        0
        sctp_raddr    736      25     492         122       0     254     380512        0
             VNODE    448     605     151        1448       0      30     338688        0
       malloc-2048   2048     116      20         825       0       8     278528        0
         malloc-64     64    3881     214        3927       0     254     262080        0
        malloc-256    256     777     228        2362       0      62     257280        0
         MAP ENTRY     96    2503     143       83733       0     126     254016        0
       malloc-2048   2048     106      14         170       0       8     245760        0
         malloc-16     16   14425      75       14888       0     254     232000        0
            DEVCTL   1024      24     196         161       0       0     225280        0
        malloc-256    256     484     386        2887       0      62     222720        0
           tcp_log    416       0     513         422       0     254     213408        0
     FPU_save_area    832     202      41        2519       0      16     202176        0
      malloc-32768  32768       1       5         147       0       1     196608        0
       malloc-1024   1024     163      29         284       0      16     196608        0
        malloc-384    384     116     394         978       0      30     195840        0
       mbuf_packet    256      18     744       37702       0     254     195072        0
        malloc-128    128    1285     234       30362       0     126     194432        0
         UMA Zones    768     239       0         239       0      16     183552        0
         malloc-32     32    5279     391        5311       0     254     181440        0
       FFS2 dinode    256     565     125        1405       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
              PROC   1376     108      13        2588       0       8     166496        0
      malloc-32768  32768       3       2           8       0       1     163840        0
        malloc-128    128     705     442        2916       0     126     146816        0
       S VFS Cache    104    1024     380        1990       0     126     146016        0
    ertt_txseginfo     40       0    3636       45234       0     254     145440        0
         filedesc0   1072     102      24        2602       0       8     135072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       0       2           9       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
       malloc-2048   2048      13      51        1174       0       8     131072        0
             unpcb    256      24     486        1284       0     254     130560        0
          ksiginfo    112     106     938        3540       0     126     116928        0
             g_bio    408       0     270        9144       0      30     110160        0
       malloc-8192   8192       7       5          80       0       1      98304        0
          UMA Kegs    384     226       7         226       0      30      89472        0
          syncache    168       0     528           4       0     254      88704        0
        128 Bucket   1024      55      28         309       0      16      84992        0
        malloc-128    128     496     155        1501       0     126      83328        0
       malloc-8192   8192       8       2          10       0       1      81920        0
       malloc-4096   4096      17       3          33       0       2      81920        0
       malloc-4096   4096      10      10          57       0       2      81920        0
        malloc-256    256      98     217        3589       0      62      80640        0
        sctp_chunk    152      25     495          35       0     254      79040        0
         malloc-64     64     558     513        6113       0     254      68544        0
         malloc-64     64     477     594        1010       0     254      68544        0
         malloc-64     64     643     428       16611       0     254      68544        0
        malloc-128    128     341     186        1320       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     189      66        1594       0      62      65280        0
         32 Bucket    256      93     162        2067       0      62      65280        0
         tcp_inpcb   1304      25      23         384       0       8      62592        0
sctp_stream_msg_out    112       3     537          40       0     254      60480        0
           VMSPACE    616      76      20        1653       0      16      59136        0
        malloc-384    384     123      27         426       0      30      57600        0
         64 Bucket    512      84      20        2932       0      30      53248        0
         malloc-64     64      45     774       14080       0     254      52416        0
       tcp_bbr_map    128      12     391        3335       0     126      51584        0
        malloc-256    256      77     118         248       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       18629       0      16      49152        0
       malloc-2048   2048      18       6          35       0       8      49152        0
       malloc-1024   1024      11      37        1696       0      16      49152        0
              pipe    728      23      43         472       0      16      48048        0
            da_ccb    544       0      84        2408       0      16      45696        0
            pcpu-8      8    4747     885        5619       0     254      45056        0
               PWD     40      58    1053         764       0     254      44440        0
             Files     80     359     191       11390       0     126      44000        0
         TURNSTILE    136     217      98         217       0      62      42840        0
            clpbuf   2624       0      16          48       0       4      41984        0
        sctp_readq    152       0     260           2       0     254      39520        0
         udp_inpcb    416      10      80         232       0      30      37440        0
         malloc-64     64     100     467         887       0     254      36288        0
         malloc-64     64     126     441        2641       0     254      36288        0
         malloc-64     64      25     542          29       0     254      36288        0
      tcp_rack_map    128      10     269         158       0     126      35712        0
        malloc-128    128       5     274           6       0     126      35712        0
        malloc-128    128      60     219        3498       0     126      35712        0
        malloc-128    128      65     214          77       0     126      35712        0
     routing nhops    256      27     108          38       0      62      34560        0
             ripcb    384       9      81          65       0      30      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      87      48         950       0      62      34560        0
        malloc-256    256      30     105         625       0      62      34560        0
        malloc-256    256      50      85        1775       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-8192   8192       3       1          29       0       1      32768        0
       malloc-2048   2048       4      12          43       0       8      32768        0
       malloc-2048   2048       0      16          40       0       8      32768        0
       malloc-2048   2048       3      13         204       0       8      32768        0
       malloc-1024   1024       2      30          42       0      16      32768        0
       malloc-1024   1024       5      27          24       0      16      32768        0
       malloc-1024   1024      10      22         175       0      16      32768        0
        malloc-512    512       9      55         119       0      30      32768        0
        malloc-512    512       3      61         104       0      30      32768        0
        malloc-512    512       4      60          20       0      30      32768        0
        malloc-512    512       1      63          14       0      30      32768        0
        malloc-512    512       6      58          57       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
       tcp_bbr_pcb    896       4      32          87       0      16      32256        0
             KNOTE    160      34     166       15732       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      30     234          56       0     126      31680        0
      tcp_rack_pcb   1280       6      18         120       0       8      30720        0
        sctp_laddr     48      28     560         150       0     254      28224        0
         malloc-32     32     277     605        3296       0     254      28224        0
         16 Bucket    144      61     135         348       0      62      28224        0
          4 Bucket     48       7     581          13       0     254      28224        0
               AIO    208       7     126        1012       0      62      27664        0
     udplite_inpcb    416       0      63           8       0      30      26208        0
            cpuset    200       7     121          26       0      62      25600        0
       malloc-8192   8192       1       2         102       0       1      24576        0
       malloc-8192   8192       1       2          20       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       2       4         232       0       2      24576        0
          rl_entry     40      68     538          68       0     254      24240        0
           rtentry    168      30     114          38       0      62      24192        0
          8 Bucket     80      69     231         558       0     126      24000        0
            itimer    352       0      66           3       0      30      23232        0
        malloc-384    384       1      59          43       0      30      23040        0
        malloc-384    384       1      59          40       0      30      23040        0
        malloc-384    384      23      37          34       0      30      23040        0
         domainset     40       0     567          19       0     254      22680        0
         hostcache     64       2     313           2       0     254      20160        0
   udp_inpcb ports     32       3     627          33       0     254      20160        0
   tcp_inpcb ports     32      10     620         163       0     254      20160        0
              ertt     72      25     255         384       0     126      20160        0
         malloc-32     32      82     548          94       0     254      20160        0
         malloc-32     32     214     416        1767       0     254      20160        0
         malloc-32     32     283     347        2834       0     254      20160        0
         malloc-32     32      51     579        1162       0     254      20160        0
         malloc-32     32      58     572         966       0     254      20160        0
         malloc-32     32      33     597          93       0     254      20160        0
          2 Bucket     32      66     564         846       0     254      20160        0
           cryptop    280       0      70          18       0      30      19600        0
             AIOCB    552       0      35          66       0      16      19320        0
       L VFS Cache    320       0      60           7       0      30      19200        0
            AIOLIO    272       0      70         984       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-4096   4096       3       1           3       0       2      16384        0
       malloc-1024   1024       1      15           6       0      16      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       40553       0     254      16032        0
              kenv    258      17      43        1079       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       2       6           2       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
         malloc-16     16      28     722          67       0     254      12000        0
         malloc-16     16     309     441         549       0     254      12000        0
         malloc-16     16     235     515        3230       0     254      12000        0
         malloc-16     16       6     744        1024       0     254      12000        0
         malloc-16     16     268     482        6338       0     254      12000        0
         malloc-16     16      28     722       27906       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       0       2           4       0       2       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16       4     252           4       0     254       4096        0
       UMA Slabs 1    176      10      12          10       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_ack     48       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
udplite_inpcb ports     32       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-2048   2048       0       0           0       0       8          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
2024/05/21 05:52 freebsd-src d59058f3b313 4c0d3ee3 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, MallocRedZone(fb)
* Struck through repros no longer work on HEAD.