Fatal trap NUM: page fault in in_pcbremhash_locked (2)

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syzbot

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Jul 4, 2025, 6:09:38 AMJul 4
to syzkaller-f...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 1c1acaf6858b amd64: enable EFER.TCE
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=14a3ac8c580000
dashboard link: https://syzkaller.appspot.com/bug?extid=32345032523536c88642
userspace arch: i386

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+323450...@syzkaller.appspotmail.com

Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0xffffffffffffffff
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff81990fa3
stack pointer = 0x0:0xfffffe0056b4f360
frame pointer = 0x0:0xfffffe0056b4f390
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 12 (swi1: netisr 0)
rdi: fffffe006debe000 rsi: 0000000000000000 rdx: 0000000001000000
rcx: 0000000000000000 r8: 0000000000000000 r9: 0000000000000001
rax: ffffffffffffffff rbx: fffffe006debe044 rbp: fffffe0056b4f390
r10: 0000000000001450 r11: 0000000000000033 r12: ffffffffffffffff
r13: fffffe006debe250 r14: fffffe006debe000 r15: fffffe006debe008
trap number = 12
panic: page fault
cpuid = 1
time = 1751623713
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056b4eb90
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056b4ecf0
vpanic() at vpanic+0x257/frame 0xfffffe0056b4eeb0
panic() at panic+0xb5/frame 0xfffffe0056b4ef70
trap_pfault() at trap_pfault+0xaec/frame 0xfffffe0056b4f0b0
trap() at trap+0x78e/frame 0xfffffe0056b4f290
calltrap() at calltrap+0x8/frame 0xfffffe0056b4f290
--- trap 0xc, rip = 0xffffffff81990fa3, rsp = 0xfffffe0056b4f360, rbp = 0xfffffe0056b4f390 ---
in_pcbremhash_locked() at in_pcbremhash_locked+0x263/frame 0xfffffe0056b4f390
in_pcbdrop() at in_pcbdrop+0x98/frame 0xfffffe0056b4f3b0
tcp_close() at tcp_close+0x177/frame 0xfffffe0056b4f470
tcp_do_segment() at tcp_do_segment+0x144f/frame 0xfffffe0056b4f750
tcp_input_with_port() at tcp_input_with_port+0x2214/frame 0xfffffe0056b4fa20
tcp6_input_with_port() at tcp6_input_with_port+0x8e/frame 0xfffffe0056b4fa60
tcp6_input() at tcp6_input+0x26/frame 0xfffffe0056b4fa90
ip6_input() at ip6_input+0x2285/frame 0xfffffe0056b4fcf0
swi_net() at swi_net+0x2b8/frame 0xfffffe0056b4fd90
ithread_loop() at ithread_loop+0x4ec/frame 0xfffffe0056b4fef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056b4ff30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056b4ff30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100033 ]
Stopped at kdb_enter+0x6e: movq $0,0x25b90e7(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b
es 0x3b
fs 0x13
gs 0x1b
ss 0
rax 0x12
rcx 0xfffffe0002bf1850
rdx 0
rbx 0xffffffff827bcf60 .str.27
rsp 0xfffffe0056b4ecd0
rbp 0xfffffe0056b4ecf0
rsi 0
rdi 0xffffffff8161a729 printf+0x149
r8 0
r9 0xffffffff
r10 0
r11 0x17
r12 0xfffffe0007821780
r13 0xfffffffffffffffd
r14 0xffffffff827bcf60 .str.27
r15 0
rip 0xffffffff816042ae kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x25b90e7(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0007808580:
state: NORMAL
uid: 0 gids: 0
parent: pid 0 at 0xffffffff83b47900
ABI: null
flag: 0x10000284 flag2: 0
reaper: 0xffffffff83b47900 reapsubtree: 12
sigparent: 20
vmspace: 0xffffffff83b488e0
(map 0xffffffff83b488e0)
(map.pmap 0xffffffff83b48980)
(pmap 0xffffffff83b489f0)
threads: 20
100013 I [swi6: task queue]
100014 I [swi6: Giant taskq]
100016 I [swi5: fast taskq]
100033 Run CPU 1 [swi1: netisr 0]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100069 I [swi1: pf send]
db> ps
pid ppid pgrp uid state wmesg wchan cmd
1272 766 766 0 T (threaded) syz-executor
100681 s syz-executor
100698 Run CPU 0 syz-executor
100699 RunQ syz-executor
100701 RunQ syz-executor
1266 1 766 0 S uwait 0xfffffe0079f50500 syz-executor
1259 0 0 0 DL mdwait 0xfffffe0079ecd000 [md7]
1250 1249 766 0 SV uwait 0xfffffe0058251b00 syz-executor
1249 1248 766 0 DV ppwait 0xfffffe005417a500 syz-executor
1248 1247 766 0 DV ppwait 0xfffffe005417aa60 syz-executor
1247 1246 766 0 DV ppwait 0xfffffe005417afc0 syz-executor
1246 1245 766 0 DV ppwait 0xfffffe005417b520 syz-executor
1245 1244 766 0 DV ppwait 0xfffffe005417ba80 syz-executor
1244 1243 766 0 DV ppwait 0xfffffe005417bfe0 syz-executor
1243 1242 766 0 DV ppwait 0xfffffe005417c540 syz-executor
1242 1241 766 0 DV ppwait 0xfffffe005416efc0 syz-executor
1241 1240 766 0 DV ppwait 0xfffffe005416f520 syz-executor
1240 1239 766 0 DV ppwait 0xfffffe005416fa80 syz-executor
1239 1238 766 0 DV ppwait 0xfffffe005416ffe0 syz-executor
1238 1237 766 0 DV ppwait 0xfffffe0054170540 syz-executor
1237 1236 766 0 DV ppwait 0xfffffe0054170aa0 syz-executor
1236 1235 766 0 DV ppwait 0xfffffe0054171000 syz-executor
1235 1234 766 0 DV ppwait 0xfffffe0054171560 syz-executor
1234 1233 766 0 DV ppwait 0xfffffe005416bfe0 syz-executor
1233 1231 766 0 DV ppwait 0xfffffe005416c540 syz-executor
1231 1230 766 0 DV ppwait 0xfffffe005416caa0 syz-executor
1230 1229 766 0 DV ppwait 0xfffffe005416d000 syz-executor
1229 1228 766 0 DV ppwait 0xfffffe005416d560 syz-executor
1228 1227 766 0 DV ppwait 0xfffffe005416dac0 syz-executor
1227 1226 766 0 DV ppwait 0xfffffe005416e500 syz-executor
1226 1225 766 0 DV ppwait 0xfffffe005416ea60 syz-executor
1225 1224 766 0 DV ppwait 0xfffffe0054156000 syz-executor
1224 1223 766 0 DV ppwait 0xfffffe0054156560 syz-executor
1223 1222 766 0 DV ppwait 0xfffffe0054156ac0 syz-executor
1222 1221 766 0 DV ppwait 0xfffffe005416a500 syz-executor
1221 1220 766 0 DV ppwait 0xfffffe005416aa60 syz-executor
1220 1219 766 0 DV ppwait 0xfffffe005416afc0 syz-executor
1219 1218 766 0 DV ppwait 0xfffffe005416b520 syz-executor
1218 1217 766 0 DV ppwait 0xfffffe005416ba80 syz-executor
1217 1 766 0 DV ppwait 0xfffffe0054130a60 syz-executor
1198 1 766 0 S umtxn 0xfffffe006dd86100 syz-executor
1196 1 766 0 S uwait 0xfffffe006dd86b80 syz-executor
1186 1 766 60928 S uwait 0xfffffe006dd88000 syz-executor
1174 1 766 0 S uwait 0xfffffe006dd86780 syz-executor
1172 1 766 0 SV uwait 0xfffffe00584ec480 syz-executor
1166 1 766 0 S uwait 0xfffffe006dd87800 syz-executor
1161 1 766 0 S uwait 0xfffffe00584ec080 syz-executor
1154 1 766 0 S uwait 0xfffffe006dd88600 syz-executor
1147 1 766 0 S uwait 0xfffffe006dd86a80 syz-executor
1144 1 766 0 S uwait 0xfffffe00584ec780 syz-executor
1142 1 766 60928 S uwait 0xfffffe006dd86e80 syz-executor
1139 1137 1137 0 D ifnet_d 0xffffffff83cbc780 ifconfig
1137 763 1137 0 S wait 0xfffffe0007809b00 syz-executor
1133 0 0 0 DL mdwait 0xfffffe0079d01000 [md6]
1122 1 766 0 S uwait 0xfffffe00584ec880 syz-executor
1117 1 767 0 S uwait 0xfffffe005824e480 syz-executor
1115 0 0 0 DL mdwait 0xfffffe0077680000 [md5]
1114 0 0 0 DL mdwait 0xfffffe0079d02000 [md4]
1101 1 766 0 S uwait 0xfffffe006dd87400 syz-executor
1091 1 766 0 S uwait 0xfffffe006dd86c80 syz-executor
1087 1 767 0 S uwait 0xfffffe006dd87700 syz-executor
1066 1 766 0 S uwait 0xfffffe00584ec380 syz-executor
1064 1 767 0 SV uwait 0xfffffe006dd87600 syz-executor
1041 0 0 0 DL mdwait 0xfffffe005853c000 [md3]
1039 1 766 0 S uwait 0xfffffe005824e900 syz-executor
1034 0 0 0 DL (threaded) [so_splice]
100098 D - 0xfffffe006dd86600 [thr_0]
100313 D - 0xfffffe006dd86640 [thr_1]
1023 1016 1023 0 Ss select 0xfffffe006dd86840 dhclient
1019 1 1019 0 Ss select 0xfffffe006dd86240 dhclient
1016 1005 424 65 S select 0xfffffe00584ec940 dhclient
1005 424 424 0 S wait 0xfffffe00540e2560 sh
969 0 0 0 DL mdwait 0xfffffe0077610000 [md2]
968 1 766 60928 S uwait 0xfffffe0057d75d80 syz-executor
961 0 0 0 DL mdwait 0xfffffe0077611000 [md1]
955 1 766 0 S uwait 0xfffffe006dd88500 syz-executor
948 944 944 0 D ifnet_d 0xffffffff83cbc780 ifconfig
947 941 941 0 D tun_con 0xfffffe00595c70a8 ifconfig
944 763 944 0 S wait 0xfffffe00540e5060 syz-executor
942 1 767 0 S uwait 0xfffffe005824e580 syz-executor
941 763 941 0 S wait 0xfffffe0007826000 syz-executor
927 1 917 0 S umtxn 0xfffffe006dd87d80 syz-executor
910 0 0 0 DL - 0xffffffff83cae600 [soaiod4]
909 0 0 0 DL - 0xffffffff83cae600 [soaiod3]
908 0 0 0 DL - 0xffffffff83cae600 [soaiod2]
907 0 0 0 DL - 0xffffffff83cae600 [soaiod1]
896 0 0 0 DL mdwait 0xfffffe007757c000 [md0]
881 1 766 0 SV uwait 0xfffffe006dd87900 syz-executor
846 0 0 0 DL aiordy 0xfffffe00540f8b00 [aiod4]
845 0 0 0 DL aiordy 0xfffffe00540e3020 [aiod3]
844 0 0 0 DL aiordy 0xfffffe0054008b00 [aiod2]
843 0 0 0 DL aiordy 0xfffffe00540c7b00 [aiod1]
816 1 766 0 SV uwait 0xfffffe0057d75b80 syz-executor
766 763 766 0 R syz-executor
763 761 761 0 R syz-executor
761 759 761 0 Ss sigsusp 0xfffffe00540e3b90 csh
759 682 759 0 Ss select 0xfffffe00584ecbc0 sshd
748 1 748 0 Rs+ getty
747 1 747 0 Ss+ ttyin 0xfffffe00593f50b0 getty
746 1 746 0 Ss+ ttyin 0xfffffe00593f54b0 getty
745 1 745 0 Ss+ ttyin 0xfffffe00593f58b0 getty
744 1 744 0 Ss+ ttyin 0xfffffe00593f5cb0 getty
743 1 743 0 Ss+ ttyin 0xfffffe00593f60b0 getty
742 1 742 0 Ss+ ttyin 0xfffffe00593f64b0 getty
741 1 741 0 Ss+ ttyin 0xfffffe00593f68b0 getty
740 1 740 0 Ss+ ttyin 0xfffffe00593f6cb0 getty
738 1 18 0 S+ piperd 0xfffffe0059829420 logger
737 736 18 0 S+ nanslp 0xffffffff83b9e580 sleep
736 1 18 0 S+ wait 0xfffffe00540c85c0 sh
686 1 686 0 Ss nanslp 0xffffffff83b9e581 cron
682 1 682 0 Ss select 0xfffffe005824e740 sshd
495 1 495 0 Ds bo_wwai 0xfffffe006de26f28 syslogd
424 1 424 0 Ss wait 0xfffffe0054009060 devd
423 1 423 65 Ss select 0xfffffe005824ed40 dhclient
338 1 338 0 Ss select 0xfffffe006dd88f40 dhclient
335 1 335 0 Ss select 0xfffffe005824edc0 dhclient
17 0 0 0 DL syncer 0xffffffff83cbbfa0 [syncer]
16 0 0 0 DL vlruwt 0xfffffe0007829060 [vnlru]
15 0 0 0 DL (threaded) [bufdaemon]
100080 D psleep 0xffffffff83cba560 [bufdaemon]
100083 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100094 D sdflush 0xfffffe005828f0e8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83d05400 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100078 D psleep 0xffffffff83ceb4c8 [dom0]
100081 D launds 0xffffffff83ceb4d4 [laundry: dom0]
100082 D umarcl 0xffffffff81dda7b0 [uma]
7 0 0 0 DL - 0xffffffff8391bcd0 [rand_harvestq]
6 0 0 0 RL [pf purge]
5 0 0 0 DL waiting 0xffffffff848ef700 [sctp_iterator]
4 0 0 0 RL (threaded) [cam]
100046 RunQ [doneq0]
100047 D - 0xffffffff838e62c0 [async]
100076 D - 0xffffffff838e6140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100043 D crypto_ 0xffffffff83ce6d80 [crypto]
100044 D crypto_ 0xfffffe0007a72d30 [crypto returns 0]
100045 D crypto_ 0xfffffe0007a72d80 [crypto returns 1]
14 0 0 0 DL seqstat 0xfffffe0057cba488 [sequencer 00]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b46f20 [g_event]
100038 D - 0xffffffff83b46f40 [g_up]
100039 D - 0xffffffff83b46f60 [g_down]
2 0 0 0 WL (threaded) [clock]
100031 I [clock (0)]
100032 I [clock (1)]
12 0 0 0 RL (threaded) [intr]
100013 I [swi6: task queue]
100014 I [swi6: Giant taskq]
100016 I [swi5: fast taskq]
100033 Run CPU 1 [swi1: netisr 0]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: 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 0xfffffe0007809040 [init]
10 0 0 0 DL audit_w 0xffffffff83ce7820 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D parked 0xffffffff84c36ff0 [swapper]
100005 D - 0xfffffe0053ea0100 [softirq_0]
100006 D - 0xfffffe0053ea0000 [softirq_1]
100007 D - 0xfffffe0053e9fe00 [if_io_tqg_0]
100008 D - 0xfffffe0053e9fd00 [if_io_tqg_1]
100009 D - 0xfffffe0053e9fc00 [if_config_tqg_0]
100010 D - 0xfffffe0007764900 [kqueue_ctx taskq]
100011 D - 0xfffffe0007764800 [jail_remove taskq]
100012 D - 0xfffffe0007764700 [bus taskq]
100015 D - 0xfffffe0007764200 [thread taskq]
100017 D - 0xfffffe0007763e00 [aiod_kick taskq]
100018 D - 0xfffffe0007763d00 [deferred_unmount ta]
100019 D - 0xfffffe0007763c00 [inm_free taskq]
100020 D - 0xfffffe0007763b00 [in6m_free taskq]
100021 D - 0xfffffe0007763a00 [linuxkpi_irq_wq]
100022 D - 0xfffffe0007763900 [linuxkpi_short_wq_0]
100023 D - 0xfffffe0007763900 [linuxkpi_short_wq_1]
100024 D - 0xfffffe0007763900 [linuxkpi_short_wq_2]
100025 D - 0xfffffe0007763900 [linuxkpi_short_wq_3]
100026 D - 0xfffffe0007763800 [linuxkpi_long_wq_0]
100027 D - 0xfffffe0007763800 [linuxkpi_long_wq_1]
100028 D - 0xfffffe0007763800 [linuxkpi_long_wq_2]
100029 D - 0xfffffe0007763800 [linuxkpi_long_wq_3]
100036 D - 0xfffffe0007763300 [firmware taskq]
100041 D - 0xfffffe0007763200 [crypto_0]
100042 D - 0xfffffe0007763200 [crypto_1]
100057 D - 0xfffffe005812c000 [vtnet0 rxq 0]
100058 D - 0xfffffe005812be00 [vtnet0 txq 0]
100059 D - 0xfffffe005812bd00 [vtnet0 rxq 1]
100060 D - 0xfffffe005812bc00 [vtnet0 txq 1]
100062 D vtbslp 0xfffffe0058250f00 [virtio_balloon]
100066 D - 0xffffffff827c2300 [deadlkres]
100070 D - 0xfffffe00593da400 [acpi_task_0]
100071 D - 0xfffffe00593da400 [acpi_task_1]
100072 D - 0xfffffe00593da400 [acpi_task_2]
100074 D - 0xfffffe0007767100 [mca taskq]
100075 D - 0xfffffe0007763100 [CAM taskq]
100077 D - 0xfffffe005812b500 [ipsec_offload]
db> show all locks
Process 947 (ifconfig) thread 0xfffffe0054121780 (100148)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83cbc780) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:3000
Process 495 (syslogd) thread 0xfffffe00540c2000 (100103)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe006de26e30) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_syscalls.c:3671
Process 12 (intr) thread 0xfffffe0007821780 (100033)
exclusive sleep mutex tcphash (tcphash) r = 0 (0xfffffe00077e1a10) locked @ /syzkaller/managers/i386/kernel/sys/netinet/in_pcb.c:2717
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe006debe020) locked @ /syzkaller/managers/i386/kernel/sys/netinet/in_pcb.c:1471
db> show malloc
Type InUse MemUse Requests
pf_hash 6 12804K 6
linker 376 5071K 870
tcp_hpts 7 4801K 7
devbuf 4188 4324K 4221
sysctloid 35593 2097K 35668
vtbuf 24 1968K 46
kobj 331 1324K 577
filedesc 134 1067K 779
newblk 76 1043K 2092
vfscache 3 1025K 3
pcb 49 679K 362
subproc 273 567K 1437
inodedep 21 520K 671
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vnet_data 2 224K 2
acpitask 1 224K 1
KTRACE 101 201K 10058
acpica 1674 184K 54456
vmem 5 144K 7
tidhash 3 141K 3
pagedep 10 131K 368
tfo_ccache 1 128K 1
IP reass 1 128K 1
DEVFS1 119 119K 140
sem 4 106K 4
gtaskqueue 18 98K 18
bus 1010 83K 5106
mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3
module 521 66K 531
ddb_capture 1 64K 1
kdtrace 331 59K 1979
umtx 432 54K 432
temp 34 38K 2409
BPF 24 37K 61
shm 2 34K 9
DEVFS3 136 34K 148
md_disk 13 33K 15
hostcache 1 32K 1
msg 4 30K 4
kbdmux 6 28K 6
CC Mem 163 21K 1071
LRO 20 21K 26
md_sectors 5 20K 5
DEVFS_RULE 56 20K 56
routetbl 245 20K 751
GEOM 117 19K 777
ifaddr 64 18K 87
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
ithread 90 15K 90
bus-sc 34 15K 1662
eventhandler 163 14K 163
ifnet 7 13K 9
devstat 6 13K 6
lltable 40 12K 64
cred 45 12K 427
kenv 95 12K 95
plimit 28 11K 386
ether_multi 132 11K 295
CAM queue 5 11K 1528
rman 82 10K 487
shmfd 4 10K 11
rpc 8 9K 8
kqueue 133 9K 1732
bmsafemap 2 9K 657
UART 12 9K 12
filemon 1 8K 10
ksem 1 8K 5
pwddesc 128 8K 1331
pfs_vncache 1 8K 1
in6_multi 57 8K 88
audit_evclass 239 8K 301
taskqueue 69 8K 99
inpcbpolicy 199 7K 1497
sglist 6 7K 6
CAM DEV 3 6K 510
pfs_nodes 22 6K 22
ufs_dirhash 24 5K 24
UMA 272 5K 272
pf_ifnet 10 5K 30
DEVFSP 67 5K 300
vt 11 5K 11
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
proc-args 146 4K 2439
acpisem 28 4K 28
kcovinfo 54 4K 81
osd 168 4K 1087
session 23 3K 50
terminal 11 3K 11
selfd 43 3K 40942
uidinfo 6 3K 40
lockf 24 3K 120
acpidev 20 3K 20
hhook 8 3K 10
clone 9 3K 9
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
Unitno 28 2K 68
ip6ndp 11 2K 18
CAM XPT 22 2K 543
sctp_atcl 4 2K 84
dirrem 6 2K 554
tun 4 2K 6
toponodes 6 2K 6
sctp_ifa 11 2K 18
ipsecpolicy 2 2K 2
select 11 2K 74
in_multi 5 2K 24
msi 9 2K 9
netlink 2 2K 132
ip6opt 6 2K 106
freework 5 2K 582
softdep 1 1K 1
freefile 8 1K 483
freeblks 4 1K 412
indirdep 4 1K 81
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 52
NFSD session 1 1K 1
mount 19 1K 1041
CAM periph 4 1K 271
ipsec 3 1K 3
newdirblk 6 1K 340
mld 6 1K 8
igmp 6 1K 8
pfil 6 1K 6
isadev 6 1K 16
pci_link 10 1K 10
sctp_ifn 5 1K 18
crypto 4 1K 49
encap_export_host 12 1K 12
diradd 4 1K 581
cdev 2 1K 2
lkpikmalloc 8 1K 9
counter_rate 14 1K 14
chacha20random 1 1K 1
biobuf 1 1K 1
vnodes 2 1K 9
sctp_timw 1 1K 1
mkdir 2 1K 680
procdesc 2 1K 12
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CAM SIM 2 1K 2
feeder 7 1K 7
cryptodev 3 1K 483
tcpfunc 3 1K 3
ip_msource 3 1K 9
loginclass 3 1K 5
prison 6 1K 6
in_mfilter 4 1K 34
soname 5 1K 3730
sctp_atky 4 1K 85
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
in6_mfilter 2 1K 4
aio 4 1K 8
pmchooks 1 1K 1
filecaps 5 1K 92
CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
ip6_moptions 3 1K 6
sctp_vrf 1 1K 1
sctp_athm 4 1K 84
ip_moptions 1 1K 24
vnet 1 1K 1
pmc 1 1K 1
sigio 1 1K 2
entropy 2 1K 40
acpiintr 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
sctp_mcore 0 0K 0
sctp_socko 0 0K 17
sctp_iter 0 0K 18
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 18
sctp_aadr 0 0K 0
sctp_stro 0 0K 1
sctp_stri 0 0K 0
sctp_map 0 0K 2
mqdata 0 0K 0
pf_table 0 0K 0
pf_rule 0 0K 0
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_krule_item 0 0K 0
pf_temp 0 0K 0
tcp_pcm_rack 0 0K 2
tcp_do_rack 0 0K 0
tcp_fsb_rack 0 0K 4
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
madt_table 0 0K 2
smartpqi 0 0K 0
ixl 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
iavf 0 0K 0
axgbe 0 0K 0
fpukern_ctx 0 0K 0
xen_intr 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
NMI handlers 0 0K 0
bounce 0 0K 0
busdma 0 0K 0
qpidrv 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
amdiommu_dom 0 0K 0
amdiommu_ctx 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
aesni_data 0 0K 0
xenbus 0 0K 0
vm_fictitious 0 0K 0
UMAHash 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 88
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 22
jsegdep 0 0K 0
jseg 0 0K 0
jfreefrag 0 0K 0
jfreeblk 0 0K 0
jnewblk 0 0K 0
jmvref 0 0K 0
jremref 0 0K 0
jaddref 0 0K 0
freedep 0 0K 0
freefrag 0 0K 112
allocindir 0 0K 0
allocdirect 0 0K 0
ufs_trim 0 0K 0
mactemp 0 0K 0
audit_trigger 0 0K 0
audit_pipe_presel 0 0K 0
audit_pipeent 0 0K 0
audit_pipe 0 0K 0
audit_evname 0 0K 0
audit_bsm 0 0K 0
audit_gidset 0 0K 0
audit_text 0 0K 0
audit_path 0 0K 0
audit_data 0 0K 0
audit_cred 0 0K 0
ktls_ocf 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5E_TLS_RX 0 0K 0
MLX5EEPROM 0 0K 0
MLX5E_TLS 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EN 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5DUMP 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
simple_attr 0 0K 0
seq_file 0 0K 0
lkpiskb 0 0K 0
radix 0 0K 0
idr 0 0K 0
lkpindev 0 0K 0
lkpimhi 0 0K 0
lkpifw 0 0K 0
lkpi80211 0 0K 0
NLM 0 0K 0
ipsec-spdcache 0 0K 0
ipsec-reg 0 0K 0
ipsec-misc 0 0K 4
ipsecrequest 0 0K 0
ip6_msource 0 0K 0
frag6 0 0K 4
tcplog 0 0K 0
tcp_hwpace 0 0K 0
ipid 0 0K 0
80211scan 0 0K 0
80211ratectl 0 0K 0
80211power 0 0K 0
80211nodeie 0 0K 0
80211node 0 0K 0
80211mesh_gt 0 0K 0
80211mesh_rt 0 0K 0
80211perr 0 0K 0
80211prep 0 0K 0
80211preq 0 0K 0
80211dfs 0 0K 0
80211crypto 0 0K 0
80211vap 0 0K 0
iflib 0 0K 0
vlan 0 0K 0
gif 0 0K 0
ifdescr 0 0K 0
zlib 0 0K 29
fadvise 0 0K 0
VN POLL 0 0K 7
statfs 0 0K 203
namei_tracker 0 0K 18
export_host 0 0K 0
cl_savebuf 0 0K 35
lio 0 0K 55
acl 0 0K 0
mbuf_tag 0 0K 0
ktls 0 0K 0
accf 0 0K 0
pts 0 0K 0
timerfd 0 0K 0
iov 0 0K 16718
ioctlops 0 0K 129
eventfd 0 0K 5
Witness 0 0K 0
stack 0 0K 0
sbuf 0 0K 450
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
sysctltmp 0 0K 662
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 4
rctl 0 0K 0
cache 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
filedesc_to_leader 0 0K 0
pwd 0 0K 0
tty console 0 0K 0
boottrace 0 0K 0
isofs_node 0 0K 0
isofs_mount 0 0K 0
tr_raid5_data 0 0K 0
tr_raid1e_data 0 0K 0
tr_raid1_data 0 0K 0
tr_raid0_data 0 0K 0
tr_concat_data 0 0K 0
md_sii_data 0 0K 0
md_promise_data 0 0K 0
md_nvidia_data 0 0K 0
md_jmicron_data 0 0K 0
md_intel_data 0 0K 0
md_ddf_data 0 0K 0
raid_data 0 0K 120
geom_flashmap 0 0K 0
tmpfs dir 0 0K 0
tmpfs name 0 0K 0
tmpfs mount 0 0K 0
tmpfs extattr 0 0K 0
NFS FHA 0 0K 0
newnfsmnt 0 0K 0
newnfsclient_req 0 0K 0
NFSCL layrecall 0 0K 0
NFSCL session 0 0K 0
NFSCL sockreq 0 0K 0
NFSCL devinfo 0 0K 0
NFSCL flayout 0 0K 0
NFSCL layout 0 0K 0
NFSD rollback 0 0K 0
NFSCL diroff 0 0K 0
NEWNFSnode 0 0K 0
NFSCL lck 0 0K 0
NFSCL lckown 0 0K 0
NFSCL client 0 0K 0
NFSCL deleg 0 0K 0
NFSCL open 0 0K 0
NFSCL owner 0 0K 0
NFS fh 0 0K 0
NFS req 0 0K 0
NFSD usrgroup 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
NFSD V4state 0 0K 0
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
xnb 0 0K 0
xen_acpi 0 0K 0
xbbd 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vtfont 0 0K 0
pvscsi 0 0K 0
USBdev 0 0K 0
USB 0 0K 0
twsbuf 0 0K 0
tcp_log_dev 0 0K 2
midi buffers 0 0K 0
mixer 0 0K 0
ac97 0 0K 0
hdacc 0 0K 0
hdac 0 0K 0
hdaa 0 0K 0
SIIS driver 0 0K 0
PUC 0 0K 0
ppbusdev 0 0K 0
sr_iov 0 0K 0
OCS 0 0K 0
OCS 0 0K 0
nvme 0 0K 0
nvd 0 0K 0
netmap 0 0K 0
mwldev 0 0K 0
MVS driver 0 0K 0
mpi3mrbuf 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 0 0K 0
MPSSAS 0 0K 0
mps 0 0K 0
mpr_user 0 0K 0
MPRSAS 0 0K 0
mpr 0 0K 0
mfibuf 0 0K 0
malodev 0 0K 0
LED 0 0K 0
ix_sriov 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 0 0K 0
ath_hal 0 0K 0
athdev 0 0K 0
ata_pci 0 0K 0
ata_dma 0 0K 0
ata_generic 0 0K 0
AHCI driver 0 0K 0
agp 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
acpicmbat 0 0K 0
aacraidcam 0 0K 0
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 175
SCSI ENC 0 0K 0
SCSI sa 0 0K 0
scsi_pass 0 0K 0
scsi_da 0 0K 70
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 8321 1077 14278 0 254 38494208 0
tcp_log 416 5547 1572 14881 0 254 2961504 0
mbuf 256 9171 491 25406 0 254 2473472 0
malloc-4096 4096 460 2 1876 0 2 1892352 0
BUF TRIE 152 309 11495 1575 0 62 1794208 0
malloc-384 384 4173 57 4536 0 30 1624320 0
malloc-128 128 11695 178 12409 0 126 1519744 0
RADIX NODE 152 9091 238 48624 0 62 1418008 0
UMA Slabs 0 112 11174 16 11174 0 126 1253280 0
malloc-16384 16384 67 3 400 0 1 1146880 0
malloc-64 64 98 16975 43018 0 254 1092672 0
mbuf_cluster 2048 508 0 508 0 254 1040384 0
vmem btag 56 17698 125 17698 0 254 998088 0
FFS inode 1168 581 21 1080 0 8 703136 0
malloc-65536 65536 9 0 12 0 1 589824 0
sctp_ep 1152 4 507 83 0 254 588672 0
sctp_asoc 2256 0 255 1 0 254 575280 0
socket 1024 234 274 3059 0 254 520192 0
lkpicurr 168 2 3094 2 0 62 520128 0
pbuf 2624 0 194 0 0 2 509056 0
256 Bucket 2048 208 8 1278 0 8 442368 0
THREAD 1860 202 14 701 0 8 401760 0
VM OBJECT 248 1563 53 19045 0 62 400768 0
malloc-65536 65536 4 2 182 0 1 393216 0
VNODE 440 621 72 1124 0 30 304920 0
malloc-64 64 4259 340 6157 0 254 294336 0
tcp_inpcb 1304 165 36 1071 0 8 262104 0
malloc-2048 2048 107 13 260 0 8 245760 0
malloc-16 16 14719 281 14881 0 254 240000 0
malloc-256 256 357 573 3738 0 62 238080 0
MAP ENTRY 96 2167 227 65905 0 126 229824 0
DEVCTL 1024 63 157 192 0 0 225280 0
PROC 1376 127 16 1276 0 8 196768 0
malloc-65536 65536 0 3 10 0 1 196608 0
malloc-32768 32768 3 3 147 0 1 196608 0
malloc-32768 32768 0 6 21 0 1 196608 0
malloc-128 128 1361 158 26446 0 126 194432 0
sctp_raddr 736 0 264 2 0 254 194304 0
malloc-32 32 5547 375 7537 0 254 189504 0
UMA Zones 768 244 0 244 0 16 187392 0
FPU_save_area 832 204 21 999 0 16 187200 0
FFS2 dinode 256 581 109 1080 0 62 176640 0
lkpimm 56 1 3095 1 0 254 173376 0
unpcb 320 22 494 1359 0 254 165120 0
malloc-32768 32768 0 5 6 0 1 163840 0
malloc-1024 1024 134 26 1542 0 16 163840 0
filedesc0 1072 128 19 1331 0 8 157584 0
malloc-2048 2048 8 64 665 0 8 147456 0
S VFS Cache 104 1042 362 1699 0 126 146016 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 70 0 1 131072 0
malloc-128 128 913 110 2483 0 126 130944 0
mbuf_packet 256 48 460 1110 0 254 130048 0
g_bio 408 4 296 8743 0 30 122400 0
ksiginfo 112 121 923 191 0 126 116928 0
malloc-128 128 566 209 4067 0 126 99200 0
malloc-8192 8192 6 6 23 0 1 98304 0
malloc-4096 4096 13 9 54 0 2 90112 0
UMA Kegs 384 231 2 231 0 30 89472 0
128 Bucket 1024 53 30 284 0 16 84992 0
malloc-16384 16384 4 1 194 0 1 81920 0
malloc-8192 8192 6 4 217 0 1 81920 0
malloc-4096 4096 16 2 20 0 2 73728 0
malloc-384 384 145 35 180 0 30 69120 0
malloc-64 64 562 509 1064 0 254 68544 0
malloc-64 64 831 240 4241 0 254 68544 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-4096 4096 13 3 103 0 2 65536 0
malloc-2048 2048 11 21 804 0 8 65536 0
64 Bucket 512 90 38 3299 0 30 65536 0
malloc-256 256 220 35 835 0 62 65280 0
malloc-256 256 90 165 1707 0 62 65280 0
32 Bucket 256 89 166 667 0 62 65280 0
pipe 736 32 56 513 0 16 64768 0
da_ccb 544 1 97 2277 0 16 53312 0
Files 80 429 221 11406 0 126 52000 0
malloc-128 128 16 387 299 0 126 51584 0
udp_inpcb 408 21 105 288 0 30 51408 0
malloc-256 256 83 112 277 0 62 49920 0
malloc-256 256 54 141 1462 0 62 49920 0
DIRHASH 1024 34 14 34 0 16 49152 0
NAMEI 1024 0 48 17345 0 16 49152 0
malloc-8192 8192 1 5 10 0 1 49152 0
malloc-2048 2048 5 19 60 0 8 49152 0
malloc-1024 1024 14 34 551 0 16 49152 0
VMSPACE 584 62 22 1205 0 16 49056 0
AIOCB 552 0 84 259 0 16 46368 0
malloc-384 384 38 82 698 0 30 46080 0
syncache 168 0 264 4 0 254 44352 0
TURNSTILE 136 217 98 217 0 62 42840 0
clpbuf 2624 0 16 142 0 4 41984 0
malloc-8192 8192 2 3 31 0 1 40960 0
malloc-8192 8192 5 0 5 0 1 40960 0
malloc-4096 4096 10 0 13 0 2 40960 0
pcpu-8 8 4768 352 5469 0 254 40960 0
hostcache 64 3 564 3 0 254 36288 0
malloc-64 64 8 559 16109 0 254 36288 0
malloc-64 64 165 402 255 0 254 36288 0
malloc-64 64 27 540 600 0 254 36288 0
malloc-64 64 10 557 131 0 254 36288 0
malloc-128 128 90 189 242 0 126 35712 0
malloc-128 128 61 218 186 0 126 35712 0
malloc-128 128 12 267 1639 0 126 35712 0
routing nhops 256 24 111 47 0 62 34560 0
ttyoutq 256 72 63 160 0 62 34560 0
malloc-384 384 55 35 474 0 30 34560 0
malloc-384 384 27 63 72 0 30 34560 0
malloc-256 256 10 125 683 0 62 34560 0
malloc-256 256 28 107 372 0 62 34560 0
malloc-256 256 19 116 556 0 62 34560 0
ripcb 376 15 75 125 0 30 33840 0
SLEEPQUEUE 88 217 167 217 0 126 33792 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-16384 16384 2 0 2 0 1 32768 0
malloc-16384 16384 1 1 2 0 1 32768 0
malloc-8192 8192 3 1 5 0 1 32768 0
malloc-4096 4096 5 3 576 0 2 32768 0
malloc-2048 2048 4 12 48 0 8 32768 0
malloc-2048 2048 3 13 3 0 8 32768 0
malloc-2048 2048 11 5 17 0 8 32768 0
malloc-2048 2048 1 15 10 0 8 32768 0
malloc-1024 1024 2 30 15 0 16 32768 0
malloc-1024 1024 6 26 6 0 16 32768 0
malloc-1024 1024 17 15 194 0 16 32768 0
malloc-1024 1024 9 23 13 0 16 32768 0
malloc-1024 1024 2 30 11 0 16 32768 0
malloc-1024 1024 3 29 4 0 16 32768 0
malloc-512 512 2 62 62 0 30 32768 0
malloc-512 512 12 52 62 0 30 32768 0
malloc-512 512 3 61 192 0 30 32768 0
malloc-512 512 0 64 17 0 30 32768 0
malloc-512 512 2 62 108 0 30 32768 0
pcpu-64 64 497 15 497 0 254 32768 0
ttyinq 160 135 65 300 0 62 32000 0
PGRP 120 28 236 62 0 126 31680 0
sctp_laddr 48 0 588 22 0 254 28224 0
ertt 72 163 229 1071 0 126 28224 0
rl_entry 48 9 579 24 0 254 28224 0
malloc-32 32 471 411 811 0 254 28224 0
16 Bucket 144 69 127 449 0 62 28224 0
4 Bucket 48 8 580 18 0 254 28224 0
AIO 208 0 133 83 0 62 27664 0
udplite_inpcb 408 0 63 13 0 30 25704 0
cpuset 200 7 121 213 0 62 25600 0
malloc-8192 8192 3 0 3 0 1 24576 0
malloc-4096 4096 0 6 307 0 2 24576 0
ertt_txseginfo 40 11 595 1492 0 254 24240 0
PWD 40 43 563 385 0 254 24240 0
rtentry 168 27 117 47 0 62 24192 0
8 Bucket 80 58 242 560 0 126 24000 0
itimer 352 0 66 39 0 30 23232 0
splice 184 0 126 2 0 62 23184 0
malloc-384 384 12 48 92 0 30 23040 0
malloc-384 384 1 59 8 0 30 23040 0
tcp_rack_pcb 1088 0 21 2 0 8 22848 0
domainset 40 0 567 204 0 254 22680 0
Mountpoints 2816 2 6 9 0 4 22528 0
malloc-32 32 245 385 1639 0 254 20160 0
malloc-32 32 31 599 2861 0 254 20160 0
malloc-32 32 48 582 2904 0 254 20160 0
malloc-32

---
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unread,
Dec 5, 2025, 8:40:20 AM (10 days ago) Dec 5
to syzkaller-f...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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