syzbot


Fatal trap NUM: general protection fault in kasan_strlen

Status: closed as dup on 2024/04/09 15:51
Reported-by: syzbot+c0777dd23abe8ef1226a@syzkaller.appspotmail.com
First crash: 228d, last: 228d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: Unaligned free of ADDR from zone ADDR(mbuf) slab ADDR(NUM) C 28 228d 229d

Sample crash report:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer	= 0x20:0xffffffff8155fd03
stack pointer	        = 0x28:0xfffffe00746831e0
frame pointer	        = 0x28:0xfffffe0074683210
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= resume, IOPL = 0
current process		= 1269 (syz-executor.3)
rdi: 6f6c206465686373 rsi: 0000000000000000 rdx: fffffe00033eee30
rcx: 0000000000000000  r8: 0000000000000000  r9: 0000003ff0659c24
rax: 0000000000000001 rbx: 6f6c206465686373 rbp: fffffe0074683210
r10: 0000000000000000 r11: 0000000000000017 r12: fffff78000000000
r13: ffffffff815c0500 r14: 6f6c226465686373 r15: fffffe0000000000
trap number		= 9
panic: general protection fault
cpuid = 0
time = 1712649679
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0074682a30
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0074682b90
vpanic() at vpanic+0x26a/frame 0xfffffe0074682d50
panic() at panic+0xb5/frame 0xfffffe0074682e10
trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe0074682f30
trap() at trap+0xc12/frame 0xfffffe0074683110
calltrap() at calltrap+0x8/frame 0xfffffe0074683110
--- trap 0x9, rip = 0xffffffff8155fd03, rsp = 0xfffffe00746831e0, rbp = 0xfffffe0074683210 ---
kasan_strlen() at kasan_strlen+0x43/frame 0xfffffe0074683210
kvprintf() at kvprintf+0x11f2/frame 0xfffffe00746833f0
vsnprintf() at vsnprintf+0xbb/frame 0xfffffe00746834b0
vpanic() at vpanic+0x19e/frame 0xfffffe0074683670
panic() at panic+0xb5/frame 0xfffffe0074683740
__mtx_assert() at __mtx_assert+0x232/frame 0xfffffe0074683780
sched_add() at sched_add+0x263/frame 0xfffffe00746837d0
intr_event_schedule_thread() at intr_event_schedule_thread+0x316/frame 0xfffffe0074683910
intr_event_handle() at intr_event_handle+0x84c/frame 0xfffffe0074683ab0
intr_execute_handlers() at intr_execute_handlers+0xd2/frame 0xfffffe0074683ae0
Xapic_isr1() at Xapic_isr1+0xdc/frame 0xfffffe0074683ae0
--- interrupt, rip = 0xffffffff82020c41, rsp = 0xfffffe0074683bb0, rbp = 0xfffffe0074683bd0 ---
spinlock_exit() at spinlock_exit+0xd1/frame 0xfffffe0074683bd0
putchar() at putchar+0x444/frame 0xfffffe0074683d10
kvprintf() at kvprintf+0x1e5/frame 0xfffffe0074683ef0
_vprintf() at _vprintf+0x186/frame 0xfffffe0074684090
printf() at printf+0xd5/frame 0xfffffe0074684190
trap_fatal() at trap_fatal+0x175/frame 0xfffffe00746842b0
trap_pfault() at trap_pfault+0x179/frame 0xfffffe00746843d0
trap() at trap+0x648/frame 0xfffffe00746845c0
calltrap() at calltrap+0x8/frame 0xfffffe00746845c0
--- trap 0xc, rip = 0, rsp = 0xfffffe0074684698, rbp = 0xfffffe00746846d0 ---
??() at 0/frame 0xfffffe00746846d0
m_free() at m_free+0x82/frame 0xfffffe0074684710
m_freem() at m_freem+0x48/frame 0xfffffe0074684730
uipc_sosend_stream_or_seqpacket() at uipc_sosend_stream_or_seqpacket+0x1237/frame 0xfffffe00746849a0
sousrsend() at sousrsend+0x117/frame 0xfffffe0074684a30
kern_sendit() at kern_sendit+0x4fc/frame 0xfffffe0074684b90
sendit() at sendit+0x15f/frame 0xfffffe0074684bf0
sys_sendmsg() at sys_sendmsg+0x181/frame 0xfffffe0074684d10
amd64_syscall() at amd64_syscall+0x4cb/frame 0xfffffe0074684f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0074684f30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x2aeb2a, rsp = 0x8255fef08, rbp = 0x8255fef80 ---
KDB: enter: panic
[ thread pid 1269 tid 100441 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe00033eee30
rdx                          0
rbx         0xffffffff826ed680  .str.27
rsp         0xfffffe0074682b70
rbp         0xfffffe0074682b90
rsi                          0
rdi         0xffffffff815c0059  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe0076ec1000
r13                        0x9
r14         0xffffffff826ed680  .str.27
r15                          0
rip         0xffffffff815acc1e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23c8477(%rip)
db> show proc
Process 1269 (syz-executor.3) at 0xfffffe0074380b00:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 782 at 0xfffffe006a7ff5a0
 ABI: FreeBSD ELF64
 flag: 0x10000080  flag2: 0
 arguments: /root/syz-executor.3 exec
 reaper: 0xfffffe005420b040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00769f2738
   (map 0xfffffe00769f2738)
   (map.pmap 0xfffffe00769f27f8)
   (pmap 0xfffffe00769f2868)
 threads: 2
100400                   RunQ                                syz-executor.3
100441                   Run     CPU 0                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1275   773   773     0  R                                   syz-executor.2
 1271   770   770     0  R       (threaded)                  syz-executor.0
100127                   RunQ                                syz-executor.0
100442                   S       uwait   0xfffffe00578cca80  syz-executor.0
 1269   782   782     0  R       (threaded)                  syz-executor.3
100400                   RunQ                                syz-executor.3
100441                   Run     CPU 0                       syz-executor.3
 1266   424   424     0  R                                   sh
 1217   771   771     0  S       (threaded)                  syz-executor.1
100355                   S       nanslp  0xffffffff83956480  syz-executor.1
100412                   S       pause   0xfffffe00742a6630  syz-executor.1
100417                   S       pause   0xfffffe00742a6630  syz-executor.1
100419                   S       uwait   0xfffffe0076ebe400  syz-executor.1
 1204     1   773     0  S       uwait   0xfffffe0074263f00  syz-executor.2
 1201     1   782     0  SV      uwait   0xfffffe006d679300  syz-executor.3
 1187     1   770     0  SV      uwait   0xfffffe006d678100  syz-executor.0
 1179     1   771     0  SV      uwait   0xfffffe006d678300  syz-executor.1
 1161     1   782     0  SV      uwait   0xfffffe006d67a680  syz-executor.3
 1125     1   771     0  SV      uwait   0xfffffe0057370680  syz-executor.1
 1110  1109   771     0  SV      uwait   0xfffffe0057370b00  syz-executor.1
 1109     1   771     0  DV      ppwait  0xfffffe00742a8ac0  syz-executor.1
 1105     1   770     0  SV      uwait   0xfffffe0074264480  syz-executor.0
 1103     1   782     0  SV      uwait   0xfffffe00578cce80  syz-executor.3
 1090     1   771     0  S       uwait   0xfffffe0057370580  syz-executor.1
 1077     1   773     0  SV      uwait   0xfffffe006d679880  syz-executor.2
 1065     1   771     0  SV      connec  0xfffffe0058beb49a  syz-executor.1
 1032     1   770    -1  SV      connec  0xfffffe0058bf085a  syz-executor.0
 1031     1   773     0  S       uwait   0xfffffe0074264380  syz-executor.2
 1024     1   771     0  SV      uwait   0xfffffe0074264180  syz-executor.1
 1019     1   782     0  S       uwait   0xfffffe006d67a500  syz-executor.3
 1015     1   782     0  S       uwait   0xfffffe006d679100  syz-executor.3
 1004  1003   773     0  SV      uwait   0xfffffe000797b200  syz-executor.2
 1003     1   773     0  DV      ppwait  0xfffffe006a7fe520  syz-executor.2
  995     1   991     0  S       uwait   0xfffffe00578ca200  syz-executor.2
  984     1   771     0  SV      uwait   0xfffffe006d679b80  syz-executor.1
  972     1   782     0  SV      uwait   0xfffffe006d679d80  syz-executor.3
  953     1   771     0  SV      uwait   0xfffffe0074264280  syz-executor.1
  950     1   946     0  S       umtxn   0xfffffe006d679a80  syz-executor.1
  935     1   931     0  S       uwait   0xfffffe00578c9d80  syz-executor.0
  926   925   771     0  SV      uwait   0xfffffe0057370800  syz-executor.1
  925     1   771     0  DV      ppwait  0xfffffe007420eaa0  syz-executor.1
  922     1   782     0  SV      connec  0xfffffe006a84b85a  syz-executor.3
  916     1   770     0  SV      uwait   0xfffffe00578c9000  syz-executor.0
  912     1   773     0  S       uwait   0xfffffe006d678c80  syz-executor.2
  901     1   771     0  S       uwait   0xfffffe006d678e80  syz-executor.1
  897     1   892     0  S       uwait   0xfffffe00578c9400  syz-executor.1
  881     1   782     0  SV      uwait   0xfffffe006d67a300  syz-executor.3
  830   829   771     0  SV      uwait   0xfffffe006d67a200  syz-executor.1
  829   827   771     0  DV      ppwait  0xfffffe006d6c3fc0  syz-executor.1
  827   826   771     0  DV      ppwait  0xfffffe006d6c4520  syz-executor.1
  826     1   771     0  DV      ppwait  0xfffffe006d272000  syz-executor.1
  818     0     0     0  DL      aiordy  0xfffffe006d6c4580  [aiod4]
  817     0     0     0  DL      aiordy  0xfffffe006d6c4ae0  [aiod3]
  816     0     0     0  DL      aiordy  0xfffffe006d6c5040  [aiod2]
  815     0     0     0  DL      aiordy  0xfffffe006d6c55a0  [aiod1]
  814     1   773     0  SV      uwait   0xfffffe000797b300  syz-executor.2
  782   768   782     0  Ss      nanslp  0xffffffff83956480  syz-executor.3
  773   768   773     0  Rs                                  syz-executor.2
  771   768   771     0  Rs                                  syz-executor.1
  770   768   770     0  Rs                                  syz-executor.0
  768   766   766     0  R       (threaded)                  syz-fuzzer
100086                   S       uwait   0xfffffe005736f480  syz-fuzzer
100114                   RunQ                                syz-fuzzer
100115                   S       uwait   0xfffffe00578cac00  syz-fuzzer
100116                   RunQ                                syz-fuzzer
100117                   S       wait    0xfffffe005420c5c0  syz-fuzzer
100118                   S       uwait   0xfffffe006d67b100  syz-fuzzer
100119                   S       wait    0xfffffe005420c5c0  syz-fuzzer
100121                   S       wait    0xfffffe005420c5c0  syz-fuzzer
100123                   S       uwait   0xfffffe00578cb180  syz-fuzzer
100124                   S       wait    0xfffffe005420c5c0  syz-fuzzer
100130                   Run     CPU 1                       syz-fuzzer
100160                   S       uwait   0xfffffe00578ca300  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe00579ecb70  csh
  764   682   764     0  Ss      select  0xfffffe0007877440  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe0007d1e4b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005877b0b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005877b8b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0056ec00b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0056ec08b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe0056ec10b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0056ec18b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00574c30b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0056ec20b0  getty
  738     1    18     0  S+      piperd  0xfffffe0058b4ee38  logger
  737   736    18     0  S+      nanslp  0xffffffff83956480  sleep
  736     1    18     0  S+      wait    0xfffffe006d26f560  sh
  686     1   686     0  Ss      nanslp  0xffffffff83956480  cron
  682     1   682     0  Ss      select  0xfffffe0007877ac0  sshd
  495     1   495     0  Ss      select  0xfffffe0007877c40  syslogd
  424     1   424     0  Ss      wait    0xfffffe006a7ff040  devd
  423     1   423    65  Ss      select  0xfffffe006d031e40  dhclient
  338     1   338     0  Ss      select  0xfffffe0007877dc0  dhclient
  335     1   335     0  Ss      select  0xfffffe0007877e40  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 0xfffffe0058a38ce8  [/ 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    0xffffffff846f0bb0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84530760  [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  RL      (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                   RunQ                                [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 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       -       0xffffffff826f28c0  [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]
100189                   D       -       0xfffffe00085f5a00  [netlink_socket (PID]
100304                   D       -       0xfffffe006a895800  [netlink_socket (PID]
 1106  1105   770     0  Z                                   syz-executor.0
 1126  1125   771     0  Z                                   syz-executor.1
 1162  1161   782     0  Z                                   syz-executor.3
 1188  1187   770     0  Z                                   syz-executor.0
 1202  1201   782     0  Z                                   syz-executor.3
 1272  1271   770     0  Z                                   syz-executor.0
 1273  1271   770     0  Z                                   syz-executor.0
  882   881   782     0  Z                                   syz-executor.3
  917   916   770     0  Z                                   syz-executor.0
  954   953   771     0  Z                                   syz-executor.1
  973   972   782     0  Z                                   syz-executor.3
db> show all locks
Process 768 (syz-fuzzer) thread 0xfffffe006d677000 (100130)
exclusive sleep mutex so_snd (so_snd) r = 0 (0xfffffe0058bf5520) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_output.c:345
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe006d257020) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:937
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe0058bf5500) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_socket.c:4029
db> show malloc
              Type        InUse        MemUse     Requests
         sctp_stro           36        34684K          111
           pf_hash            5        11524K            5
            linker          371         4934K          481
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4217
         sysctloid        34865         2055K        34936
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk          803         1225K         1020
          vfscache            3         1025K            3
               pcb          159          820K          902
          inodedep          164          574K          332
          filedesc           72          570K          799
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          228          459K         1407
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          100          200K          100
            acpica         1674          184K        60830
           pagedep           60          143K          238
           tidhash            3          141K            3
              vmem            3          138K            5
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          109          109K          126
               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          302           57K         1719
              umtx          432           54K          432
         sctp_atcl          103           39K          526
              temp           35           37K         1943
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          128           32K          138
               msg            4           30K            4
            kbdmux            6           28K            6
            dirrem           93           24K          257
        DEVFS_RULE           56           20K           56
            ifaddr           66           19K           68
               BPF           14           19K           14
            kqueue          113           18K         1292
         ufs_mount            4           17K            5
              proc            3           17K            3
               LRO           16           17K           16
           filemon            2           16K           25
               tty           16           16K           16
           ithread           97           16K           97
          routetbl          124           16K          395
            bus-sc           34           15K         1687
      eventhandler          162           14K          162
           lltable           43           14K           43
             ifnet            7           13K            7
       ether_multi          152           13K          182
              kenv           95           12K           95
              GEOM           61           11K          481
              rman           86           11K          451
         CAM queue            5           11K         1528
         in6_multi           65            9K           65
         bmsafemap            3            9K          294
      tcp_fsb_rack            4            9K           82
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K           10
             shmfd            1            8K           34
       pfs_vncache            1            8K            1
          freefile           61            8K          204
     audit_evclass          238            8K          300
              cred           29            8K          253
         taskqueue           69            8K           69
         sctp_timw           28            7K           28
         newdirblk           50            7K          228
            diradd           49            7K          289
            sglist            6            7K            6
           CAM DEV            3            6K          510
           pwddesc           92            6K         1297
         pfs_nodes           22            6K           22
         sctp_atky          139            6K          633
            plimit           21            6K          333
             hhook           15            5K           17
            DEVFSP           77            5K          149
       ufs_dirhash           24            5K           27
               UMA          267            5K          267
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
             mkdir           30            4K          456
           acpisem           28            4K           28
          kcovinfo           52            4K           52
           session           24            3K           36
         proc-args          113            3K         2374
          terminal           11            3K           11
          indirdep           10            3K           10
           uidinfo            5            3K           14
            CC Mem           14            3K          191
             clone            9            3K            9
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
          freework            8            2K          204
          freeblks            7            2K          199
            Unitno           30            2K           49
          sctp_ifa           13            2K           14
         sctp_athm          103            2K          534
           CAM XPT           22            2K          543
             lockf           15            2K           62
               msi           12            2K           12
          in_multi            6            2K           12
               tun            4            2K            4
             selfd           24            2K        14985
         toponodes            6            2K            6
            crypto            6            2K           23
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
         cryptodev           19            2K          143
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           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           10
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            select            7            1K           33
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           netlink            3            1K           29
               mld            6            1K            6
              igmp            6            1K            6
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            isadev            6            1K            6
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               osd           19            1K          186
      tcp_pcm_rack            2            1K           41
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
    chacha20random            1            1K            1
            biobuf            1            1K            1
            vnodes            1            1K           11
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     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
            soname            8            1K         3635
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               aio            4            1K            4
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 CAM I/O Scheduler            1            1K            1
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               pmc            1            1K            1
           entropy            2            1K           38
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              cpus            2            1K            2
    vnet_data_free            1            1K            1
               iov            1            1K        14773
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            statfs            0            0K          201
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               LED            0            0K            0
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                ix            0            0K            0
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               agp            0            0K            0
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       aacraid_buf            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            XZ_DEC            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
         scsi_pass            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
           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    8330    1068       28698       0     254   38494208        0
              mbuf    256    8802     861       51006       0     254    2473728        0
       malloc-4096   4096     437       7        2362       0       2    1818624        0
          BUF TRIE    144     234   11554         626       0      62    1697472        0
        malloc-384    384    4323      57        4759       0      30    1681920        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11444     150       11509       0     126    1484032        0
       UMA Slabs 0    112   11013      33       11013       0     126    1237152        0
        RADIX NODE    144    7909     290       36318       0      62    1180656        0
         sctp_asoc   2256      36     474         103       0     254    1150560        0
      malloc-65536  65536      15       0          18       0       1     983040        0
         vmem btag     56   16644      99       16644       0     254     937608        0
      malloc-16384  16384      39       4         402       0       1     704512        0
         FFS inode   1168     570      32         785       0       8     703136        0
           sctp_ep   1144      67     444         419       0     254     584584        0
              pbuf   2624       0     202           0       0       2     530048        0
          lkpicurr    168       2    3094           2       0      62     520128        0
            socket    960      74     434        2035       0     254     487680        0
         VM OBJECT    264    1449     111       18531       0      30     411840        0
            THREAD   1824     198      18         442       0       8     393984        0
        sctp_raddr    736      36     481         103       0     254     380512        0
        256 Bucket   2048     141      19        1090       0       8     327680        0
             VNODE    448     608      85         825       0      30     310464        0
         malloc-64     64    3855     240        3867       0     254     262080        0
       malloc-2048   2048     110      10         137       0       8     245760        0
         malloc-16     16   14414      86       14675       0     254     232000        0
         MAP ENTRY     96    2065     329       54414       0     126     229824        0
            DEVCTL   1024      20     200         147       0       0     225280        0
        malloc-256    256     814      56        1053       0      62     222720        0
     FPU_save_area    832     200      43         766       0      16     202176        0
       malloc-1024   1024     165      27         272       0      16     196608        0
       mbuf_packet    256     151     611        6428       0     254     195072        0
        malloc-128    128    1311     208       29330       0     126     194432        0
         UMA Zones    768     239       0         239       0      16     183552        0
         malloc-32     32    5279     391        5310       0     254     181440        0
        malloc-256    256     533     157        1621       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
              PROC   1376     102      19        1275       0       8     166496        0
       malloc-2048   2048      69      11         421       0       8     163840        0
       FFS2 dinode    256     570      60         784       0      62     161280        0
       malloc-2048   2048      12      60        1114       0       8     147456        0
       S VFS Cache    104    1017     387        1304       0     126     146016        0
      malloc-65536  65536       0       2          74       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
        malloc-128    128     715     308        1998       0     126     130944        0
             unpcb    256       9     501        1192       0     254     130560        0
         filedesc0   1072      92      20        1297       0       8     120064        0
          ksiginfo    112     103     941         755       0     126     116928        0
           tcp_log    416       0     261           8       0     254     108576        0
        malloc-128    128     529     246         802       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
        malloc-384    384     176      64         344       0      30      92160        0
       malloc-8192   8192       8       3          32       0       1      90112        0
          UMA Kegs    384     226       7         226       0      30      89472        0
       malloc-8192   8192       9       1          11       0       1      81920        0
       malloc-4096   4096      16       4          33       0       2      81920        0
        sctp_chunk    152      33     487          39       0     254      79040        0
             g_bio    408       0     180        5348       0      30      73440        0
        128 Bucket   1024      47      20         264       0      16      68608        0
         malloc-64     64     470     601         947       0     254      68544        0
         malloc-64     64     643     428       15831       0     254      68544        0
        malloc-128    128     345     182         719       0     126      67456        0
           DIRHASH   1024      35      29          37       0      16      65536        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
sctp_stream_msg_out    112      11     529          32       0     254      60480        0
           VMSPACE    616      65      31        1084       0      16      59136        0
        malloc-384    384     123      27         466       0      30      57600        0
         64 Bucket    512      72      40        1736       0      30      57344        0
         tcp_inpcb   1304      14      28         173       0       8      54768        0
         malloc-64     64      99     720         810       0     254      52416        0
         malloc-64     64     547     272        3209       0     254      52416        0
        malloc-256    256      89     106        1393       0      62      49920        0
        malloc-256    256      77     118         213       0      62      49920        0
        malloc-256    256     141      54        1060       0      62      49920        0
         32 Bucket    256      79     116         897       0      62      49920        0
             NAMEI   1024       0      48       14583       0      16      49152        0
       malloc-4096   4096      10       2          22       0       2      49152        0
       malloc-2048   2048      15       9          31       0       8      49152        0
       malloc-1024   1024      10      38        1554       0      16      49152        0
          syncache    168       0     264           4       0     254      44352        0
             Files     80     257     293        8788       0     126      44000        0
       malloc-8192   8192       3       2          29       0       1      40960        0
            pcpu-8      8    4716     404        4872       0     254      40960        0
        sctp_readq    152       0     260           3       0     254      39520        0
         udp_inpcb    416      11      79         192       0      30      37440        0
         malloc-64     64      36     531       15021       0     254      36288        0
         malloc-64     64     117     450        1317       0     254      36288        0
         malloc-64     64      25     542          29       0     254      36288        0
        malloc-128    128       5     274           6       0     126      35712        0
        malloc-128    128      42     237        3352       0     126      35712        0
        malloc-128    128      65     214          72       0     126      35712        0
     routing nhops    256      26     109          33       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      97      38         407       0      62      34560        0
        malloc-256    256      19     116         378       0      62      34560        0
        malloc-256    256      48      87         674       0      62      34560        0
         TURNSTILE    136     217      35         217       0      62      34272        0
        SLEEPQUEUE     88     217     167         217       0     126      33792        0
      malloc-32768  32768       1       0          12       0       1      32768        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          16       0       8      32768        0
       malloc-2048   2048       0      16          40       0       8      32768        0
       malloc-2048   2048       3      13         194       0       8      32768        0
       malloc-1024   1024       2      30          42       0      16      32768        0
       malloc-1024   1024       1      31          37       0      16      32768        0
       malloc-1024   1024       5      27          14       0      16      32768        0
       malloc-1024   1024      10      22         175       0      16      32768        0
        malloc-512    512       9      55         128       0      30      32768        0
        malloc-512    512       3      61          38       0      30      32768        0
        malloc-512    512       4      60          24       0      30      32768        0
        malloc-512    512       1      63           3       0      30      32768        0
        malloc-512    512       4      60          55       0      30      32768        0
           pcpu-64     64     488      24         488       0     254      32768        0
    ertt_txseginfo     40       6     802        6385       0     254      32320        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      28     236          44       0     126      31680        0
       tcp_bbr_pcb    832       2      34          42       0      16      29952        0
        sctp_laddr     48      32     556         203       0     254      28224        0
         malloc-32     32     278     604        3296       0     254      28224        0
         16 Bucket    144      52     144         295       0      62      28224        0
          4 Bucket     48       4     584           5       0     254      28224        0
               AIO    208      20     113         189       0      62      27664        0
            da_ccb    544       0      49        1469       0      16      26656        0
     udplite_inpcb    416       0      63           4       0      30      26208        0
            cpuset    200       7     121           7       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         203       0       2      24576        0
      tcp_rack_pcb   1216       2      18          41       0       8      24320        0
          rl_entry     40      40     566          40       0     254      24240        0
               PWD     40      50     556         294       0     254      24240        0
           rtentry    168      29     115          33       0      62      24192        0
              pipe    728      24       9         372       0      16      24024        0
          8 Bucket     80      56     244         408       0     126      24000        0
            itimer    352       3      63          15       0      30      23232        0
             ripcb    384       3      57          27       0      30      23040        0
        malloc-384    384      11      49          11       0      30      23040        0
        malloc-384    384       1      59           3       0      30      23040        0
        malloc-384    384       2      58          32       0      30      23040        0
        malloc-384    384      21      39          24       0      30      23040        0
            clpbuf   2624       0       8          26       0       4      20992        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       7     623          38       0     254      20160        0
   tcp_inpcb ports     32       5     625          25       0     254      20160        0
              ertt     72      14     266         173       0     126      20160        0
         malloc-32     32      82     548          94       0     254      20160        0
         malloc-32     32     196     434        1693       0     254      20160        0
         malloc-32     32     227     403        1132       0     254      20160        0
         malloc-32     32      40     590         598       0     254      20160        0
         malloc-32     32      58     572         954       0     254      20160        0
         malloc-32     32      29     601          75       0     254      20160        0
          2 Bucket     32      56     574         441       0     254      20160        0
             KNOTE    160      30      95        5023       0      62      20000        0
      tcp_rack_map    128       0     155          32       0     126      19840        0
       tcp_bbr_map    128       6     149           6       0     126      19840        0
           cryptop    280       0      70           3       0      30      19600        0
             AIOCB    552       0      35          27       0      16      19320        0
       L VFS Cache    320       0      60           7       0      30      19200        0
            AIOLIO    272       0      70         189       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       8       8           8       0      16      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
              kenv    258      17      43        1075       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
      vtnet_tx_hdr     24       1     500       13694       0     254      12024        0
         malloc-16     16      28     722          67       0     254      12000        0
         malloc-16     16     314     436         498       0     254      12000        0
         malloc-16     16     218     532        1022       0     254      12000        0
         malloc-16     16       5     745         507       0     254      12000        0
         malloc-16     16     258     492        4935       0     254      12000        0
         malloc-16     16      28     722       27863       0     254      12000        0
         malloc-16     16      16     734          17       0     254      12000        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           1       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_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
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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-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
2024/04/09 08:01 freebsd-src d80a97def9a1 f3234354 console log report ci-freebsd-main Fatal trap NUM: general protection fault in kasan_strlen
* Struck through repros no longer work on HEAD.