panic: MNT_DEFERRED requires MNT_RECURSE | MNT_FORCE

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syzbot

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Dec 22, 2025, 7:17:28 AM (yesterday) Dec 22

to syzkaller-f...@googlegroups.com

Hello,

syzbot found the following issue on:

HEAD commit: 95788a851deb vm_fault_trap(): fix comments grammar
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=1368eb1a580000
dashboard link: https://syzkaller.appspot.com/bug?extid=1967136cd02c22bc6f0d

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+196713...@syzkaller.appspotmail.com

panic: MNT_DEFERRED requires MNT_RECURSE | MNT_FORCE
cpuid = 1
time = 32770
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057504610
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057504770
vpanic() at vpanic+0x257/frame 0xfffffe0057504930
panic() at panic+0xb5/frame 0xfffffe00575049f0
dounmount() at dounmount+0x1783/frame 0xfffffe0057504b30
kern_unmount() at kern_unmount+0x648/frame 0xfffffe0057504d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0057504f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0057504f30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a661a, rsp = 0x825dabf08, rbp = 0x825dabf80 ---
KDB: enter: panic
[ thread pid 1514 tid 101111 ]
Stopped at kdb_enter+0x6e: movq $0,0x2589a07(%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 0xfffffe0002bf1850
rdx 0
rbx 0xffffffff82838a60 .str.27
rsp 0xfffffe0057504750
rbp 0xfffffe0057504770
rsi 0
rdi 0xffffffff816611a9 printf+0x149
r8 0
r9 0xffffffff
r10 0
r11 0x1
r12 0xfffffe0079606000
r13 0xfffffffffffffffd
r14 0xffffffff82838a60 .str.27
r15 0
rip 0xffffffff8164a48e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x2589a07(%rip)
db> show proc
Process 1514 (syz-executor) at 0xfffffe0079600ab0:
state: NORMAL
uid: 0 gid: 0 supp gids: 0, 5
parent: pid 763 at 0xfffffe005860c010
ABI: FreeBSD ELF64
flag: 0x10000080 flag2: 0
arguments: ./syz-executor exec
reaper: 0xfffffe0007809010 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe0079605490
(map 0xfffffe0079605490)
(map.pmap 0xfffffe0079605530)
(pmap 0xfffffe00796055a0)
threads: 2
100992 RunQ syz-executor
101111 Run CPU 1 syz-executor
db> ps
pid ppid pgrp uid state wmesg wchan cmd
1517 765 765 0 R (threaded) syz-executor
101025 RunQ syz-executor
101117 S uwait 0xfffffe0077b94580 syz-executor
101118 S uwait 0xfffffe007940e800 syz-executor
1516 0 0 0 DL mdwait 0xfffffe0078dbb000 [md1]
1515 1513 764 0 S uwait 0xfffffe007940fe00 syz-executor
1514 763 763 0 R (threaded) syz-executor
100992 RunQ syz-executor
101111 Run CPU 1 syz-executor
1513 764 764 0 R (threaded) syz-executor
100975 RunQ syz-executor
101110 RunQ syz-executor
101115 S uwait 0xfffffe007940f800 syz-executor
1511 766 766 0 R (threaded) syz-executor
100912 RunQ syz-executor
101107 S lockf 0xfffffe005800d180 syz-executor
101109 S lockf 0xfffffe0059657800 syz-executor
101112 RunQ syz-executor
101116 D bo_wwai 0xfffffe0079c43d70 syz-executor
101119 RunQ syz-executor
1509 1 766 0 S uwait 0xfffffe0077b94c80 syz-executor
1498 1 765 0 S uwait 0xfffffe007940f400 syz-executor
1496 1 765 0 S uwait 0xfffffe007940f700 syz-executor
1492 1 766 0 S uwait 0xfffffe007940f300 syz-executor
1486 1 766 0 SV lockf 0xfffffe005800ce00 syz-executor
1479 1 766 0 S uwait 0xfffffe00599afb80 syz-executor
1478 1 766 0 S uwait 0xfffffe007940fc00 syz-executor
1476 1475 763 0 S uwait 0xfffffe00599ade00 syz-executor
1475 1 763 0 SV uwait 0xfffffe0079410080 syz-executor
1456 1 764 0 S uwait 0xfffffe0077b94e80 syz-executor
1454 1 764 0 S uwait 0xfffffe0079410680 syz-executor
1448 1 766 0 S uwait 0xfffffe00599aec80 syz-executor
1439 1 766 0 S uwait 0xfffffe0077b94980 syz-executor
1436 1 766 0 S uwait 0xfffffe0078a46700 syz-executor
1428 1 765 0 SV uwait 0xfffffe007940fd00 syz-executor
1427 1 766 60928 S uwait 0xfffffe007940fa00 syz-executor
1426 1 764 0 S uwait 0xfffffe0077b94880 syz-executor
1425 1 766 60928 S uwait 0xfffffe0077b94780 syz-executor
1419 1 766 0 S uwait 0xfffffe0079410580 syz-executor
1410 1 766 0 S uwait 0xfffffe0078a46100 syz-executor
1409 1 764 0 S uwait 0xfffffe0079410380 syz-executor
1405 1 764 0 S uwait 0xfffffe0077b94d80 syz-executor
1395 1 763 0 S umtxn 0xfffffe0078a45980 syz-executor
1393 1392 766 0 S uwait 0xfffffe0078a45100 syz-executor
1392 1 766 0 SV wait 0xfffffe00587ef570 syz-executor
1390 1 765 0 S uwait 0xfffffe0078a45000 syz-executor
1386 0 0 0 DL mdwait 0xfffffe0078dbc000 [md0]
1383 1 763 0 S uwait 0xfffffe0058312780 syz-executor
1382 1 763 0 S uwait 0xfffffe0077b94b80 syz-executor
1380 1 765 0 S uwait 0xfffffe00599adc00 syz-executor
1379 1 765 0 S uwait 0xfffffe005859a400 syz-executor
1363 1 760 0 S uwait 0xfffffe0077b94a80 syz-executor
1359 1 765 0 S uwait 0xfffffe0078a45d80 syz-executor
1355 1 766 0 S uwait 0xfffffe0078a46500 syz-executor
1354 1 766 0 S uwait 0xfffffe0078a46200 syz-executor
1343 1 765 0 S uwait 0xfffffe0078a46600 syz-executor
1341 1 766 0 S uwait 0xfffffe0078a45880 syz-executor
1340 1 766 0 S uwait 0xfffffe0078a45580 syz-executor
1336 1 766 0 S uwait 0xfffffe0078a45680 syz-executor
1332 1331 764 0 S uwait 0xfffffe0078a46400 syz-executor
1331 1 764 0 SV wait 0xfffffe00587df560 syz-executor
1329 1 765 0 S uwait 0xfffffe0078a45480 syz-executor
1326 1325 763 0 S uwait 0xfffffe0078a47480 syz-executor
1325 1 763 0 SV wait 0xfffffe00587c9008 syz-executor
1323 1 765 0 S uwait 0xfffffe0078a47d80 syz-executor
1311 1 763 0 S uwait 0xfffffe0058311d80 syz-executor
1310 1 763 0 S uwait 0xfffffe0077b94080 syz-executor
1308 1 766 0 S uwait 0xfffffe00599aed80 syz-executor
1293 0 0 0 DL mdwait 0xfffffe006b7f8000 [md58027]
1291 1 763 0 S uwait 0xfffffe00599af200 syz-executor
1290 1 763 0 S uwait 0xfffffe00599ae180 syz-executor
1285 1 1281 60928 SV uwait 0xfffffe00599adf00 syz-executor
1282 1 763 0 S uwait 0xfffffe0058311200 syz-executor
1280 1 763 0 S uwait 0xfffffe00599ad600 syz-executor
1277 1 763 -1 S uwait 0xfffffe0078a47180 syz-executor
1269 1 1269 0 Ss+ ttyin 0xfffffe0007bf90b0 getty
1268 1 1268 0 Ss+ ttyin 0xfffffe0007bf88b0 getty
1267 1 1267 0 Ss+ ttyin 0xfffffe0007bf80b0 getty
1266 1 1266 0 Ss+ ttyin 0xfffffe0007bf78b0 getty
1265 1 1265 0 Ss+ ttyin 0xfffffe0007bf70b0 getty
1264 1 1264 0 Ss+ ttyin 0xfffffe00583338b0 getty
1263 1 1263 0 Ss+ ttyin 0xfffffe00583330b0 getty
1262 1 1262 0 Ss+ ttyin 0xfffffe00595514b0 getty
1261 1 1261 0 Ss+ ttyin 0xfffffe0058330cb0 getty
1254 1 765 0 S uwait 0xfffffe0078a45e80 syz-executor
1253 1 764 0 S uwait 0xfffffe0078a46e00 syz-executor
1252 1 765 0 S uwait 0xfffffe0077b93c00 syz-executor
1250 1 764 0 S uwait 0xfffffe005859a700 syz-executor
1246 1 766 0 S uwait 0xfffffe0078a46d00 syz-executor
1237 0 0 0 DL - 0xffffffff83cd50c0 [soaiod4]
1236 0 0 0 DL - 0xffffffff83cd50c0 [soaiod3]
1235 0 0 0 DL - 0xffffffff83cd50c0 [soaiod2]
1234 0 0 0 DL - 0xffffffff83cd50c0 [soaiod1]
1232 1 763 0 S uwait 0xfffffe0078a47680 syz-executor
1230 1 763 0 S uwait 0xfffffe0078a47580 syz-executor
1228 1 765 0 S uwait 0xfffffe005859a300 syz-executor
1224 1 765 0 S uwait 0xfffffe0058313f00 syz-executor
1214 1 764 0 S uwait 0xfffffe0078a47280 syz-executor
1210 1 764 0 S uwait 0xfffffe0078a46f00 syz-executor
1207 1 766 0 S uwait 0xfffffe0078a47080 syz-executor
1205 1 766 0 S uwait 0xfffffe0078a47e80 syz-executor
1199 1 766 0 S uwait 0xfffffe0078a48000 syz-executor
1198 1 766 0 S uwait 0xfffffe0058311600 syz-executor
1195 1 766 0 S uwait 0xfffffe00599af980 syz-executor
1193 1 763 0 S uwait 0xfffffe00599af880 syz-executor
1184 1 764 0 S uwait 0xfffffe0077b93600 syz-executor
1183 1 764 0 S uwait 0xfffffe0058310c00 syz-executor
1178 1 764 0 S uwait 0xfffffe0077b93d00 syz-executor
1172 1 766 0 S uwait 0xfffffe0077b93400 syz-executor
1168 1 766 0 S uwait 0xfffffe0058311900 syz-executor
1156 1 764 0 S uwait 0xfffffe0077b93e00 syz-executor
1153 1 765 0 S uwait 0xfffffe0058311300 syz-executor
1152 1 765 0 S uwait 0xfffffe0077b93f00 syz-executor
1138 1 766 0 S uwait 0xfffffe0058311400 syz-executor
1137 1 766 0 S uwait 0xfffffe0058310a00 syz-executor
1130 1 765 0 S uwait 0xfffffe0077b93b00 syz-executor
1129 1 765 0 S uwait 0xfffffe00599ac780 syz-executor
1126 1 765 0 S uwait 0xfffffe00599aee80 syz-executor
1125 1 1125 0 S uwait 0xfffffe005859a600 syz-executor
1124 1 763 0 S uwait 0xfffffe0077b93a00 syz-executor
1123 1 763 0 S uwait 0xfffffe0077b93900 syz-executor
1117 1 763 0 S uwait 0xfffffe0058598d00 syz-executor
1109 1 765 0 S uwait 0xfffffe0058599880 syz-executor
1108 1 765 0 S uwait 0xfffffe005859a500 syz-executor
1097 1 765 0 S uwait 0xfffffe0058312a80 syz-executor
1095 1085 1095 0 Ss select 0xfffffe0077ae5040 dhclient
1094 1 765 0 S uwait 0xfffffe0058311500 syz-executor
1085 1077 423 65 S select 0xfffffe0058585c40 dhclient
1077 1 423 0 S wait 0xfffffe00586f1570 sh
1067 1065 763 0 S uwait 0xfffffe0058310b00 syz-executor
1065 1 763 0 SV wait 0xfffffe0058767570 syz-executor
1049 0 0 0 DL (threaded) [so_splice]
100283 D - 0xfffffe0077b94180 [thr_0]
100440 D - 0xfffffe0077b941c0 [thr_1]
1046 1 763 0 S uwait 0xfffffe0058312c00 syz-executor
1044 1 763 0 S uwait 0xfffffe0058598800 syz-executor
1037 1 765 0 S uwait 0xfffffe005859a780 syz-executor
1028 1 1023 0 SV uwait 0xfffffe00599ac680 syz-executor
1027 1 1023 0 SV uwait 0xfffffe0058313b00 syz-executor
1017 1 764 0 S uwait 0xfffffe0077b94300 syz-executor
1016 1 764 0 S uwait 0xfffffe0058597180 syz-executor
1014 1 1014 0 S uwait 0xfffffe0058312b80 syz-executor
1006 1 763 0 S uwait 0xfffffe0058311a80 syz-executor
999 1 765 0 S uwait 0xfffffe0077b94400 syz-executor
995 1 765 0 S uwait 0xfffffe00599ac580 syz-executor
992 1 765 0 S uwait 0xfffffe005859af00 syz-executor
990 1 764 0 SV uwait 0xfffffe005859aa00 syz-executor
986 1 764 0 S uwait 0xfffffe00599ac080 syz-executor
985 1 764 0 S uwait 0xfffffe0058599780 syz-executor
983 1 764 0 S uwait 0xfffffe005859a900 syz-executor
969 1 766 0 S uwait 0xfffffe0058312080 syz-executor
959 1 764 0 S uwait 0xfffffe0058311700 syz-executor
957 1 764 0 S uwait 0xfffffe0058312d00 syz-executor
956 1 763 0 S uwait 0xfffffe0058313c00 syz-executor
940 1 763 0 S uwait 0xfffffe0058598e00 syz-executor
938 1 764 0 S uwait 0xfffffe0058311c80 syz-executor
934 1 763 -1 S uwait 0xfffffe0058598c00 syz-executor
933 1 763 -1 S uwait 0xfffffe005859ac00 syz-executor
931 1 766 0 S uwait 0xfffffe00599ac380 syz-executor
930 1 766 0 S uwait 0xfffffe00599ac880 syz-executor
928 1 766 0 S uwait 0xfffffe0058598900 syz-executor
922 1 766 0 S uwait 0xfffffe0058598b00 syz-executor
910 1 765 0 S uwait 0xfffffe0058311b80 syz-executor
902 0 0 0 DL - 0xffffffff83b5f400 [accounting]
900 1 763 0 S uwait 0xfffffe0058597280 syz-executor
899 1 763 0 S uwait 0xfffffe0058313300 syz-executor
891 1 764 0 S uwait 0xfffffe00599ac980 syz-executor
890 1 764 0 S uwait 0xfffffe005859ab00 syz-executor
885 1 766 0 S uwait 0xfffffe00599ac480 syz-executor
884 0 0 0 DL (threaded) [KTLS]
100107 D - 0xfffffe006e6e1e00 [thr_0]
100171 D - 0xfffffe006e6e1e80 [thr_1]
100172 D - 0xffffffff83cd68e8 [reclaim_0]
873 1 763 0 S uwait 0xfffffe0058598700 syz-executor
864 1 763 0 S uwait 0xfffffe0058313d00 syz-executor
863 1 765 0 S uwait 0xfffffe005859ad00 syz-executor
857 1 766 0 S uwait 0xfffffe005859ae00 syz-executor
834 1 766 0 S uwait 0xfffffe00599aeb80 syz-executor
826 1 763 0 S uwait 0xfffffe0058598a00 syz-executor
819 0 0 0 DL aiordy 0xfffffe0058707ac0 [aiod5]
818 0 0 0 DL aiordy 0xfffffe005860cac0 [aiod4]
817 0 0 0 DL aiordy 0xfffffe00586f0010 [aiod3]
814 0 0 0 DL aiordy 0xfffffe00586f0ac0 [aiod1]
811 1 764 0 S uwait 0xfffffe00599ae380 syz-executor
766 762 766 0 S nanslp 0xffffffff83bb4f41 syz-executor
765 762 765 0 R syz-executor
764 762 764 0 S nanslp 0xffffffff83bb4f41 syz-executor
763 762 763 0 S nanslp 0xffffffff83bb4f41 syz-executor
762 1 760 0 S select 0xfffffe0058585a40 syz-executor
758 1 758 0 Ss select 0xfffffe0058585740 sshd
422 1 422 65 Ss select 0xfffffe0058588340 dhclient
16 0 0 0 DL syncer 0xffffffff83ce2ae0 [syncer]
15 0 0 0 DL vlruwt 0xfffffe0058605018 [vnlru]
14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83ce1020 [bufdaemon]
100082 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100094 D sdflush 0xfffffe0057f1fce8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83d223c0 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100077 D psleep 0xffffffff83d08488 [dom0]
100080 D launds 0xffffffff83d08494 [laundry: dom0]
100081 D umarcl 0xffffffff81e34d30 [uma]
7 0 0 0 DL - 0xffffffff8392d510 [rand_harvestq]
6 0 0 0 DL pftm 0xffffffff84865f80 [pf purge]
5 0 0 0 DL waiting 0xffffffff8472e700 [sctp_iterator]
4 0 0 0 DL (threaded) [cam]
100045 D - 0xffffffff838f7340 [doneq0]
100046 D - 0xffffffff838f72c0 [async]
100075 D - 0xffffffff838f7140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100042 D crypto_ 0xffffffff83d03d20 [crypto]
100043 D crypto_ 0xfffffe00077af830 [crypto returns 0]
100044 D crypto_ 0xfffffe00077af880 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b5d520 [g_event]
100038 D - 0xffffffff83b5d540 [g_up]
100039 D - 0xffffffff83b5d560 [g_down]
2 0 0 0 RL (threaded) [clock]
100031 I [clock (0)]
100032 Run CPU 0 [clock (1)]
12 0 0 0 WL (threaded) [intr]
100013 I [swi6: task queue]
100014 I [swi6: Giant taskq]
100016 I [swi5: fast taskq]
100033 I [swi1: netisr 0]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100047 I [irq24: virtio_pci0]
100048 I [irq25: virtio_pci0]
100049 I [irq26: virtio_pci0]
100050 I [irq27: virtio_pci0]
100051 I [irq28: virtio_pci1]
100052 I [irq29: virtio_pci1]
100053 I [irq30: virtio_pci1]
100054 I [irq31: virtio_pci1]
100055 I [irq32: virtio_pci1]
100060 I [irq10: virtio_pci2]
100062 I [irq1: atkbd0]
100063 I [irq12: psm0]
100064 I [swi0: uart uart++]
100068 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 0xfffffe0007809010 [init]
10 0 0 0 DL audit_w 0xffffffff83d047c0 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D - 0xffffffff84c5bff0 [kernel]
100005 D - 0xfffffe00077cb000 [softirq_0]
100006 D - 0xfffffe00077cae00 [softirq_1]
100007 D - 0xfffffe00077cad00 [if_io_tqg_0]
100008 D - 0xfffffe00077cac00 [if_io_tqg_1]
100009 D - 0xfffffe00077cab00 [if_config_tqg_0]
100010 D - 0xfffffe00077caa00 [kqueue_ctx taskq]
100011 D - 0xfffffe00077ca900 [jail_remove taskq]
100012 D - 0xfffffe00077ca800 [bus taskq]
100015 D - 0xfffffe00077ca500 [thread taskq]
100017 D - 0xfffffe00077ca300 [aiod_kick taskq]
100018 D - 0xfffffe00077ca200 [deferred_unmount ta]
100019 D - 0xfffffe00077ca100 [inm_free taskq]
100020 D - 0xfffffe00077ca000 [in6m_free taskq]
100021 D - 0xfffffe00077c9e00 [linuxkpi_irq_wq]
100022 D - 0xfffffe00077c9d00 [linuxkpi_short_wq_0]
100023 D - 0xfffffe00077c9d00 [linuxkpi_short_wq_1]
100024 D - 0xfffffe00077c9d00 [linuxkpi_short_wq_2]
100025 D - 0xfffffe00077c9d00 [linuxkpi_short_wq_3]
100026 D - 0xfffffe00077c9c00 [linuxkpi_long_wq_0]
100027 D - 0xfffffe00077c9c00 [linuxkpi_long_wq_1]
100028 D - 0xfffffe00077c9c00 [linuxkpi_long_wq_2]
100029 D - 0xfffffe00077c9c00 [linuxkpi_long_wq_3]
100036 D - 0xfffffe00077c9b00 [firmware taskq]
100040 D - 0xfffffe00077c9100 [crypto_0]
100041 D - 0xfffffe00077c9100 [crypto_1]
100056 D - 0xfffffe00077c8900 [vtnet0 rxq 0]
100057 D - 0xfffffe00077c8800 [vtnet0 txq 0]
100058 D - 0xfffffe00077c8700 [vtnet0 rxq 1]
100059 D - 0xfffffe00077c8600 [vtnet0 txq 1]
100061 D vtbslp 0xfffffe005800d900 [virtio_balloon]
100065 D - 0xffffffff8283d141 [deadlkres]
100069 D - 0xfffffe00077c8b00 [acpi_task_0]
100070 D - 0xfffffe00077c8b00 [acpi_task_1]
100071 D - 0xfffffe00077c8b00 [acpi_task_2]
100073 D - 0xfffffe00077cb100 [mca taskq]
100074 D - 0xfffffe00077c8a00 [CAM taskq]
100076 D - 0xfffffe00077c8300 [ipsec_offload]
100602 D - 0xfffffe00599ecd00 [system_taskq_0]
100603 D - 0xfffffe00599ecd00 [system_taskq_1]
100604 D - 0xfffffe00599f0d00 [system_delay_taskq_]
100605 D - 0xfffffe00599f0d00 [system_delay_taskq_]
100606 D - 0xfffffe00599ece00 [zvol_tq-0_0]
100607 D - 0xfffffe00599ece00 [zvol_tq-0_1]
100608 D - 0xfffffe00599ece00 [zvol_tq-0_2]
100609 D - 0xfffffe00599ece00 [zvol_tq-0_3]
100610 D - 0xfffffe00599ece00 [zvol_tq-0_4]
100611 D - 0xfffffe00599ece00 [zvol_tq-0_5]
100612 D - 0xfffffe00599ece00 [zvol_tq-0_6]
100613 D - 0xfffffe00599ece00 [zvol_tq-0_7]
100614 D - 0xfffffe00599ece00 [zvol_tq-0_8]
100615 D - 0xfffffe00599ece00 [zvol_tq-0_9]
100616 D - 0xfffffe00599ece00 [zvol_tq-0_10]
100617 D - 0xfffffe00599ece00 [zvol_tq-0_11]
100618 D - 0xfffffe00599ece00 [zvol_tq-0_12]
100619 D - 0xfffffe00599ece00 [zvol_tq-0_13]
100620 D - 0xfffffe00599ece00 [zvol_tq-0_14]
100621 D - 0xfffffe00599ece00 [zvol_tq-0_15]
100622 D - 0xfffffe00599ece00 [zvol_tq-0_16]
100623 D - 0xfffffe00599ece00 [zvol_tq-0_17]
100624 D - 0xfffffe00599ece00 [zvol_tq-0_18]
100625 D - 0xfffffe00599ece00 [zvol_tq-0_19]
100626 D - 0xfffffe00599ece00 [zvol_tq-0_20]
100627 D - 0xfffffe00599ece00 [zvol_tq-0_21]
100628 D - 0xfffffe00599ece00 [zvol_tq-0_22]
100629 D - 0xfffffe00599ece00 [zvol_tq-0_23]
100630 D - 0xfffffe00599ece00 [zvol_tq-0_24]
100631 D - 0xfffffe00599ece00 [zvol_tq-0_25]
100632 D - 0xfffffe00599ece00 [zvol_tq-0_26]
100633 D - 0xfffffe00599ece00 [zvol_tq-0_27]
100634 D - 0xfffffe00599ece00 [zvol_tq-0_28]
100635 D - 0xfffffe00599ece00 [zvol_tq-0_29]
100636 D - 0xfffffe00599ece00 [zvol_tq-0_30]
100637 D - 0xfffffe00599ece00 [zvol_tq-0_31]
100638 D - 0xfffffe00599ecb00 [arc_prune]
100639 D - 0xfffffe00599f1300 [arc_flush_0]
100640 D - 0xfffffe00599f1300 [arc_flush_1]
100652 D - 0xfffffe00599f2200 [dbu_evict]
100655 D - 0xfffffe00599eb200 [z_vdev_file_0]
100656 D - 0xfffffe00599eb200 [z_vdev_file_1]
100657 D - 0xfffffe00599eb200 [z_vdev_file_2]
100658 D - 0xfffffe00599eb200 [z_vdev_file_3]
100659 D - 0xfffffe00599eb200 [z_vdev_file_4]
100660 D - 0xfffffe00599eb200 [z_vdev_file_5]
100661 D - 0xfffffe00599eb200 [z_vdev_file_6]
100662 D - 0xfffffe00599eb200 [z_vdev_file_7]
100663 D - 0xfffffe00599eb200 [z_vdev_file_8]
100664 D - 0xfffffe00599eb200 [z_vdev_file_9]
100665 D - 0xfffffe00599eb200 [z_vdev_file_10]
100666 D - 0xfffffe00599eb200 [z_vdev_file_11]
100667 D - 0xfffffe00599eb200 [z_vdev_file_12]
100668 D - 0xfffffe00599eb200 [z_vdev_file_13]
100669 D - 0xfffffe00599eb200 [z_vdev_file_14]
100670 D - 0xfffffe00599eb200 [z_vdev_file_15]
100689 D - 0xfffffe0078b11b00 [zfsvfs]
db> show all locks
Process 1513 (syz-executor) thread 0xfffffe0079617000 (101110)
exclusive rw kernel vm object (kernel vm object) r = 0 (0xffffffff83d07cc0) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_kern.c:564
exclusive sx MD config lock (MD config lock) r = 0 (0xffffffff83922420) locked @ /syzkaller/managers/main/kernel/sys/dev/md/md.c:1803
Process 1511 (syz-executor) thread 0xfffffe007962a780 (101116)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe0079c43c78) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3673
db> show malloc
Type InUse MemUse Requests
linker 434 12893K 888
pf_hash 6 12804K 6
tcp_hpts 8 4865K 8
devbuf 4187 4324K 4216
solaris 112 3065K 203
sysctloid 45205 2656K 45317
filedesc 277 2217K 1239
vtbuf 24 1968K 46
kobj 337 1348K 536
newblk 6 1026K 5016
vfscache 3 1025K 3
subproc 419 836K 1773
pcb 63 703K 628
inodedep 12 517K 1455
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 5 276K 10
vnet_data 2 224K 2
acpitask 1 224K 1
KTRACE 101 201K 173017
acpica 1674 184K 57001
tidhash 3 141K 3
pagedep 10 131K 638
tfo_ccache 1 128K 1
IP reass 1 128K 1
DEVFS1 109 109K 127
sem 4 106K 4
md_sectors 25 100K 25
gtaskqueue 18 98K 18
kdtrace 517 94K 2642
LRO 22 85K 22
umtx 672 84K 672
bus 1026 84K 5202
mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3
module 534 67K 544
ddb_capture 1 64K 1
cred 103 57K 425
shm 8 46K 52
hostcache 1 32K 1
DEVFS3 128 32K 139
msg 4 30K 4
kbdmux 6 28K 6
BPF 19 28K 79
filemon 3 24K 10
temp 32 21K 2821
DEVFS_RULE 56 20K 56
ifaddr 72 20K 74
kstat_data 19 19K 19
routetbl 143 19K 448
ufs_mount 4 17K 5
proc 3 17K 3
kqueue 206 17K 2130
tty 16 16K 16
lltable 49 15K 54
ithread 90 15K 90
bus-sc 34 15K 1702
eventhandler 168 14K 168
ether_multi 162 13K 222
md_disk 28 13K 33
GEOM 59 13K 514
pwddesc 188 12K 1608
kenv 95 12K 95
plimit 27 11K 502
CAM queue 5 11K 1528
taskqueue 93 10K 144
rman 75 10K 470
ksem 4 10K 6
rpc 8 9K 8
in6_multi 66 9K 66
pf_ifnet 44 9K 87
sctp_atcl 22 9K 189
bmsafemap 2 9K 1048
devstat 4 9K 4
UART 12 9K 12
shmfd 1 8K 19
pfs_vncache 1 8K 1
audit_evclass 240 8K 306
UMA 343 7K 343
ifnet 7 7K 7
sglist 6 7K 6
CAM DEV 3 6K 510
pfs_nodes 22 6K 22
inpcbpolicy 158 5K 1091
lockf 48 5K 336
ufs_dirhash 24 5K 36
CC Mem 34 5K 349
pf_rule 33 5K 38
tcp_fsb_rack 2 5K 4
vt 11 5K 11
pf_table 2 4K 6
sctp_stro 4 4K 10
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
proc-args 195 4K 2627
DEVFSP 60 4K 166
acpisem 28 4K 28
terminal 11 3K 11
uidinfo 6 3K 9
acpidev 20 3K 20
hhook 8 3K 10
kcovinfo 36 3K 36
osd 96 3K 431
netlink 2 3K 90
session 17 3K 55
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
clone 8 2K 8
ip6ndp 13 2K 15
selfd 30 2K 443870
in_multi 7 2K 20
Unitno 31 2K 472
sctp_ifa 13 2K 14
CAM XPT 22 2K 543
sctp_stri 3 2K 12
tun 4 2K 4
vnodemarker 3 2K 165
toponodes 6 2K 6
ipsecpolicy 2 2K 2
ip6opt 7 2K 44
sctp_timw 5 2K 5
msi 9 2K 9
sctp_atky 26 2K 205
softdep 1 1K 1
mkdir 8 1K 1114
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
inotify 10 1K 69
NFSD session 1 1K 1
cryptodev 15 1K 277
crypto 6 1K 47
mld 7 1K 7
igmp 7 1K 7
CAM periph 4 1K 271
sctp_ifn 6 1K 14
ipsec 3 1K 3
diradd 6 1K 935
in6_mfilter 12 1K 31
ip_msource 12 1K 31
pfil 6 1K 6
VN POLL 6 1K 34
isadev 6 1K 14
mount 16 1K 1233
pci_link 10 1K 10
newdirblk 5 1K 557
encap_export_host 12 1K 12
select 5 1K 83
in_mfilter 13 1K 71
ip6_msource 8 1K 14
ioctlops 1 1K 296
cdev 2 1K 2
lkpikmalloc 8 1K 9
counter_rate 13 1K 13
frag6 4 1K 35
chacha20random 1 1K 1
biobuf 1 1K 1
sctp_athm 22 1K 195
ip_moptions 5 1K 31
filedesc_to_leader 5 1K 9
tcp_pcm_rack 1 1K 2
vnodes 1 1K 9
ktls 1 1K 26
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CAM SIM 2 1K 2
prison 8 1K 8
taskq 2 1K 2
ip6_moptions 6 1K 15
tcpfunc 3 1K 3
loginclass 3 1K 5
sctp_map 8 1K 22
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
freefile 1 1K 747
aio 4 1K 13
pmchooks 1 1K 1
CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
sctp_vrf 1 1K 1
sctp_aadr 1 1K 1
freework 1 1K 1379
vnet 1 1K 1
pmc 1 1K 1
entropy 2 1K 34
acpiintr 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1
soname 2 1K 3876
Per-cpu 1 1K 1
filecaps 2 1K 97
pf 1 1K 43
p1003.1b 1 1K 1
sfs_nodes 0 0K 0
zones_data 0 0K 0
ext2_mount 0 0K 0
ext2_node 0 0K 0
ext2_extents 0 0K 0
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_krule_item 0 0K 0
pf_temp 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 33
sctp_iter 0 0K 11
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 11
tcp_do_rack 0 0K 0
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
mqdata 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 1191
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 77
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
dirrem 0 0K 913
freeblks 0 0K 644
freefrag 0 0K 249
allocindir 0 0K 0
indirdep 0 0K 1295
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 4
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 0
ipsecrequest 0 0K 0
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 32
fadvise 0 0K 4
statfs 0 0K 264
namei_tracker 0 0K 3
export_host 0 0K 0
cl_savebuf 0 0K 107
lio 0 0K 25
acl 0 0K 0
mbuf_tag 0 0K 0
accf 0 0K 0
pts 0 0K 0
timerfd 0 0K 0
procdesc 0 0K 12
iov 0 0K 39190
eventfd 0 0K 8
Witness 0 0K 0
stack 0 0K 0
sbuf 0 0K 260
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
sysctltmp 0 0K 669
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 400
rctl 0 0K 0
cache 0 0K 0
kexec 0 0K 0
jaildesc 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
sigio 0 0K 8
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 90
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
ufshci 0 0K 0
twsbuf 0 0K 0
tpm_buffer 0 0K 0
tcp_log_dev 0 0K 3
midi buffers 0 0K 0
mixer 0 0K 0
feeder 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 0
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
md1 32768 2115 0 2115 0 1 69304320 0
mbuf_jumbo_page 4096 8381 1271 33546 0 254 39534592 0
tcp_log 416 15289 461 27473 0 254 6552000 0
mbuf 256 8899 8384 61703 0 254 4424448 0
RADIX NODE 152 15648 129 63588 0 62 2398104 0
malloc-16384 16384 138 0 805 0 1 2260992 0
malloc-128 128 14812 316 17145 0 126 1936384 0
BUF TRIE 152 442 11362 4663 0 62 1794208 0
malloc-384 384 4114 56 4152 0 30 1601280 0
UMA Slabs 0 112 13970 28 13970 0 126 1567776 0
mbuf_cluster 2048 762 0 794 0 254 1560576 0
malloc-4096 4096 363 9 608 0 2 1523712 0
vmem btag 56 24116 115 24116 0 254 1356936 0
malloc-64 64 5050 15551 450431 0 254 1318464 0
sctp_asoc 2256 4 506 10 0 254 1150560 0
malloc-65536 65536 13 2 19 0 1 983040 0
FFS inode 1168 652 20 1416 0 8 784896 0
socket 1024 192 572 2728 0 254 782336 0
malloc-4096 4096 190 0 1549 0 2 778240 0
THREAD 1860 327 9 1119 0 8 624960 0
VM OBJECT 248 2378 102 21579 0 62 615040 0
sctp_ep 1152 15 496 173 0 254 588672 0
256 Bucket 2048 251 15 1868 0 8 544768 0
lkpicurr 168 2 3094 2 0 62 520128 0
pbuf 2664 0 178 0 0 2 474192 0
MAP ENTRY 96 4793 121 73415 0 126 471744 0
sctp_raddr 736 4 513 10 0 254 380512 0
VNODE 440 691 92 1458 0 30 344520 0
sctp_chunk 152 7 2047 1948 0 254 312208 0
malloc-16 16 18558 442 18976 0 254 304000 0
FPU_save_area 832 329 31 1593 0 16 299520 0
PROC 1368 188 21 1521 0 8 285912 0
zio_buf_comb_262144 262144 0 1 15 0 1 262144 0
malloc-65536 65536 4 0 4 0 1 262144 0
malloc-2048 2048 110 18 399 0 8 262144 0
malloc-32 32 7344 342 7439 0 254 245952 0
UMA Zones 768 315 4 315 0 16 244992 0
malloc-32768 32768 0 7 1150 0 1 229376 0
DEVCTL 1024 30 190 157 0 0 225280 0
filedesc0 1072 188 15 1608 0 8 217616 0
FFS2 dinode 256 652 158 1415 0 62 207360 0
malloc-256 256 206 604 7452 0 62 207360 0
malloc-65536 65536 1 2 111 0 1 196608 0
malloc-65536 65536 0 3 88 0 1 196608 0
malloc-32768 32768 3 3 24 0 1 196608 0
malloc-2048 2048 24 72 224 0 8 196608 0
mbuf_packet 256 45 717 2112 0 254 195072 0
malloc-128 128 1240 155 26658 0 126 178560 0
lkpimm 56 1 3095 1 0 254 173376 0
unpcb 320 19 497 1360 0 254 165120 0
malloc-1024 1024 144 16 163 0 16 163840 0
tcp_inpcb 1304 36 84 349 0 8 156480 0
S VFS Cache 104 1026 378 1952 0 126 146016 0
malloc-256 256 408 162 1391 0 62 145920 0
malloc-8192 8192 10 7 57 0 1 139264 0
zio_buf_comb_131072 131072 0 1 1 0 1 131072 0
malloc-32768 32768 4 0 4 0 1 131072 0
ksiginfo 112 183 861 589 0 126 116928 0
pf anchors 1664 1 69 2 0 64 116480 0
UMA Kegs 384 301 2 301 0 30 116352 0
malloc-384 384 222 78 1666 0 30 115200 0
malloc-128 128 597 302 5734 0 126 115072 0
malloc-128 128 758 141 1817 0 126 115072 0
malloc-16384 16384 3 4 17 0 1 114688 0
malloc-4096 4096 26 2 27 0 2 114688 0
malloc-2048 2048 7 49 1098 0 8 114688 0
malloc-8192 8192 8 5 73 0 1 106496 0
VMSPACE 584 158 24 1477 0 16 106288 0
g_bio 440 4 212 26701 0 30 95040 0
syncache 168 0 528 10 0 254 88704 0
64 Bucket 512 95 65 6513 0 30 81920 0
malloc-256 256 118 197 3850 0 62 80640 0
udp_inpcb 408 85 95 451 0 30 73440 0
128 Bucket 1024 57 10 342 0 16 68608 0
malloc-64 64 605 466 2028 0 254 68544 0
malloc-128 128 356 171 628 0 126 67456 0
md0 8 8192 192 8192

---
This report is generated by a bot. It may contain errors.
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#syz undup

syzbot

unread,

Dec 22, 2025, 8:26:20 AM (yesterday) Dec 22

to syzkaller-f...@googlegroups.com

syzbot has found a reproducer for the following issue on:

HEAD commit: 95788a851deb vm_fault_trap(): fix comments grammar
git tree: freebsd-src

console output: https://syzkaller.appspot.com/x/log.txt?x=167d7584580000
dashboard link: https://syzkaller.appspot.com/bug?extid=1967136cd02c22bc6f0d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1631c3c2580000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+196713...@syzkaller.appspotmail.com

panic: MNT_DEFERRED requires MNT_RECURSE | MNT_FORCE
cpuid = 1

time = 1766409914
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057129610
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057129770
vpanic() at vpanic+0x257/frame 0xfffffe0057129930
panic() at panic+0xb5/frame 0xfffffe00571299f0
dounmount() at dounmount+0x1783/frame 0xfffffe0057129b30
kern_unmount() at kern_unmount+0x648/frame 0xfffffe0057129d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0057129f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0057129f30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a661a, rsp = 0x82361ff08, rbp = 0x82361ff80 ---
KDB: enter: panic
[ thread pid 2774 tid 101993 ]

Stopped at kdb_enter+0x6e: movq $0,0x2589a07(%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 0xfffffe0002bf1850

rdx 0xdffff7c000000000
rbx 0xffffffff82838a60 .str.27
rsp 0xfffffe0057129750
rbp 0xfffffe0057129770
rsi 0
rdi 0xffffffff830004e0 panicstr

r8 0
r9 0xffffffff
r10 0

r11 0x7f
r12 0xfffffe0058b35780

r13 0xfffffffffffffffd
r14 0xffffffff82838a60 .str.27
r15 0
rip 0xffffffff8164a48e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x2589a07(%rip)
db> show proc

Process 2774 (syz-executor) at 0xfffffe0058b2d560:

state: NORMAL
uid: 0 gid: 0 supp gids: 0, 5

parent: pid 858 at 0xfffffe0058aceab0

ABI: FreeBSD ELF64
flag: 0x10000080 flag2: 0
arguments: ./syz-executor exec
reaper: 0xfffffe0007809010 reapsubtree: 1
sigparent: 20

vmspace: 0xfffffe0058aaf248
(map 0xfffffe0058aaf248)
(map.pmap 0xfffffe0058aaf2e8)
(pmap 0xfffffe0058aaf358)
threads: 3
100912 Run CPU 0 syz-executor
101987 S uwait 0xfffffe00585f4c00 syz-executor
101993 Run CPU 1 syz-executor

db> ps
pid ppid pgrp uid state wmesg wchan cmd

2782 869 869 0 R syz-executor
2781 857 857 0 R syz-executor
2780 864 864 0 R (threaded) syz-executor
101029 RunQ syz-executor
101994 RunQ syz-executor
2774 858 858 0 R (threaded) syz-executor
100912 Run CPU 0 syz-executor
101987 S uwait 0xfffffe00585f4c00 syz-executor
101993 Run CPU 1 syz-executor
1230 1216 1230 0 Ss select 0xfffffe006ed474c0 dhclient
1223 1 1223 0 Ss select 0xfffffe006e2635c0 dhclient
1216 1196 423 65 S select 0xfffffe006e263640 dhclient
1196 423 423 0 S wait 0xfffffe0007809ac0 sh
869 773 869 0 S nanslp 0xffffffff83bb4f40 syz-executor
864 773 864 0 S nanslp 0xffffffff83bb4f41 syz-executor
858 773 858 0 S nanslp 0xffffffff83bb4f41 syz-executor
857 773 857 0 S nanslp 0xffffffff83bb4f41 syz-executor
773 772 770 0 S select 0xfffffe0059a388c0 syz-executor
772 770 770 0 S (threaded) syz-execprog
100110 S uwait 0xfffffe00585f3b00 syz-execprog
100111 S uwait 0xfffffe00585f1000 syz-execprog
100112 S uwait 0xfffffe00585f1100 syz-execprog
100113 S uwait 0xfffffe00585f1200 syz-execprog
100114 S kqread 0xfffffe00077c8e00 syz-execprog
100115 S uwait 0xfffffe00585f1300 syz-execprog
100116 S uwait 0xfffffe00585f1400 syz-execprog
100872 S uwait 0xfffffe006ed2ee80 syz-execprog
770 768 770 0 Ss sigsusp 0xfffffe000780a620 csh
768 681 768 0 Ss select 0xfffffe0059a38940 sshd
749 1 749 0 Ss+ ttyin 0xfffffe005422dcb0 getty
748 1 748 0 Ss+ ttyin 0xfffffe00599538b0 getty
747 1 747 0 Ss+ ttyin 0xfffffe00599540b0 getty
746 1 746 0 Ss+ ttyin 0xfffffe00599548b0 getty
745 1 745 0 Ss+ ttyin 0xfffffe0007bf80b0 getty
744 1 744 0 Ss+ ttyin 0xfffffe0007bf88b0 getty
743 1 743 0 Ss+ ttyin 0xfffffe0007bf90b0 getty
742 1 742 0 Ss+ ttyin 0xfffffe0007bf98b0 getty
741 1 741 0 Ss+ ttyin 0xfffffe0007bfa0b0 getty
739 737 17 0 S+ nanslp 0xffffffff83bb4f41 sleep
738 1 17 0 S+ piperd 0xfffffe0059ba6cc0 logger
737 1 17 0 S+ wait 0xfffffe0058acfab8 sh
685 1 685 0 Ss nanslp 0xffffffff83bb4f41 cron
681 1 681 0 Ss select 0xfffffe0059a393c0 sshd
494 1 494 0 Ss select 0xfffffe0059a87040 syslogd
423 1 423 0 Ss wait 0xfffffe0058a0b560 devd
422 1 422 65 Ss select 0xfffffe0059a8a1c0 dhclient
337 1 337 0 Ss select 0xfffffe0059a39540 dhclient
334 1 334 0 Ss select 0xfffffe0059a87440 dhclient

16 0 0 0 DL syncer 0xffffffff83ce2ae0 [syncer]

15 0 0 0 DL vlruwt 0xfffffe0058a02558 [vnlru]

14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83ce1020 [bufdaemon]
100082 D - 0xffffffff83001ec0 [bufspacedaemon-0]

100094 D sdflush 0xfffffe0057f20ce8 [/ worker]

9 0 0 0 DL psleep 0xffffffff83d223c0 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100077 D psleep 0xffffffff83d08488 [dom0]
100080 D launds 0xffffffff83d08494 [laundry: dom0]
100081 D umarcl 0xffffffff81e34d30 [uma]
7 0 0 0 DL - 0xffffffff8392d510 [rand_harvestq]

6 0 0 0 DL pftm 0xffffffff843bff80 [pf purge]
5 0 0 0 DL waiting 0xffffffff847f3700 [sctp_iterator]

4 0 0 0 DL (threaded) [cam]
100045 D - 0xffffffff838f7340 [doneq0]
100046 D - 0xffffffff838f72c0 [async]
100075 D - 0xffffffff838f7140 [scanner]
3 0 0 0 DL (threaded) [crypto]
100042 D crypto_ 0xffffffff83d03d20 [crypto]
100043 D crypto_ 0xfffffe00077af830 [crypto returns 0]
100044 D crypto_ 0xfffffe00077af880 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff83b5d520 [g_event]
100038 D - 0xffffffff83b5d540 [g_up]
100039 D - 0xffffffff83b5d560 [g_down]

2 0 0 0 WL (threaded) [clock]
100031 I [clock (0)]
100032 I [clock (1)]

100065 D - 0xffffffff8283d140 [deadlkres]

100069 D - 0xfffffe00077c8b00 [acpi_task_0]
100070 D - 0xfffffe00077c8b00 [acpi_task_1]
100071 D - 0xfffffe00077c8b00 [acpi_task_2]
100073 D - 0xfffffe00077cb100 [mca taskq]
100074 D - 0xfffffe00077c8a00 [CAM taskq]
100076 D - 0xfffffe00077c8300 [ipsec_offload]

db> show all locks

db> show malloc
Type InUse MemUse Requests

pf_hash 6 12804K 6
devbuf 8283 7252K 8308
linker 385 5207K 499
tcp_hpts 8 4865K 8
sysctloid 35065 2066K 35140
vtbuf 24 1968K 46
newblk 1911 1502K 3815
kobj 337 1348K 501
inodedep 1936 1238K 1961
vfscache 3 1025K 3
pcb 24 669K 56

ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4

dirrem 1859 465K 1878
vmem 5 272K 8
subproc 130 238K 2861
freefile 1842 231K 1851

vnet_data 2 224K 2
acpitask 1 224K 1

KTRACE 100 200K 100
acpica 1674 184K 56977
tidhash 3 141K 3
pagedep 50 141K 1897
filedesc 18 137K 3823

tfo_ccache 1 128K 1
IP reass 1 128K 1

sem 4 106K 4
DEVFS1 106 106K 126
gtaskqueue 18 98K 18
LRO 24 87K 26
bus 1015 83K 5167

mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3

module 529 67K 529
ddb_capture 1 64K 1
umtx 336 42K 336
kdtrace 198 40K 4778
BPF 22 36K 23
hostcache 1 32K 1
shm 1 32K 1
DEVFS3 125 32K 136

msg 4 30K 4
kbdmux 6 28K 6

temp 31 21K 3885
DEVFS_RULE 56 20K 56
ifaddr 72 20K 83

ufs_mount 4 17K 5
proc 3 17K 3

routetbl 147 17K 497
tty 16 16K 16
ithread 90 15K 90
bus-sc 34 15K 1690
lltable 47 15K 55
eventhandler 166 14K 166
ether_multi 152 13K 190
kenv 95 12K 95
GEOM 49 11K 431

CAM queue 5 11K 1528

mkdir 76 10K 3772
rman 75 10K 430
in6_multi 68 10K 75
cred 24 9K 296
rpc 8 9K 8
plimit 23 9K 474
bmsafemap 3 9K 1928

devstat 4 9K 4
UART 12 9K 12

ksem 1 8K 1
shmfd 1 8K 1
pfs_vncache 1 8K 1
diradd 62 8K 1924
audit_evclass 240 8K 306
taskqueue 69 8K 69
ifnet 7 7K 8
sglist 6 7K 6
kqueue 56 7K 2791

CAM DEV 3 6K 510
pfs_nodes 22 6K 22

newdirblk 40 5K 1886
ufs_dirhash 24 5K 24
UMA 268 5K 268
pf_ifnet 10 5K 25
vt 11 5K 11

memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4

acpisem 28 4K 28
pwddesc 52 4K 2783
proc-args 84 4K 3980
selfd 48 3K 89467
terminal 11 3K 11
session 22 3K 54
indirdep 10 3K 10

acpidev 20 3K 20
hhook 8 3K 10

uidinfo 3 3K 10
netlink 2 3K 93
lockf 20 3K 33

local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
clone 8 2K 8

ip6ndp 13 2K 17
sctp_ifa 13 2K 16
Unitno 27 2K 55

CAM XPT 22 2K 543

in_multi 6 2K 9
tun 4 2K 5

toponodes 6 2K 6
ipsecpolicy 2 2K 2

select 11 2K 41
msi 9 2K 9
softdep 1 1K 1

sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8

vnodemarker 2 1K 10

NFSD session 1 1K 1

mld 7 1K 8
igmp 7 1K 8

CAM periph 4 1K 271

sctp_ifn 6 1K 16
ipsec 3 1K 3
CC Mem 6 1K 13
pfil 6 1K 6
isadev 6 1K 6
mount 16 1K 89
pci_link 10 1K 10
DEVFSP 11 1K 1882
crypto 4 1K 4
encap_export_host 12 1K 12
osd 11 1K 30

cdev 2 1K 2
lkpikmalloc 8 1K 9

inpcbpolicy 14 1K 208
counter_rate 13 1K 13

chacha20random 1 1K 1
biobuf 1 1K 1

vnodes 1 1K 1
procdesc 2 1K 12

NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CAM SIM 2 1K 2

cryptodev 3 1K 1885
tcpfunc 3 1K 3
loginclass 3 1K 7
prison 6 1K 6

nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2

pmchooks 1 1K 1
filecaps 5 1K 90

CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1

soname 4 1K 3359
sctp_vrf 1 1K 1
freework 1 1K 1868

vnet 1 1K 1
pmc 1 1K 1

entropy 2 1K 58

acpiintr 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1

Per-cpu 1 1K 1
p1003.1b 1 1K 1
tcp_pcm_rack 0 0K 0
tcp_do_rack 0 0K 0
tcp_fsb_rack 0 0K 0
mqdata 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 0
sctp_iter 0 0K 13
sctp_mvrf 0 0K 0
sctp_timw 0 0K 0

sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0

sctp_athm 0 0K 0
sctp_atky 0 0K 0
sctp_atcl 0 0K 0
sctp_a_it 0 0K 13
sctp_aadr 0 0K 0
sctp_stro 0 0K 0
sctp_stri 0 0K 0
sctp_map 0 0K 0
filemon 0 0K 0

ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0

pf_table 0 0K 0
pf 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

savedino 0 0K 18

sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0

sbdep 0 0K 3

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

freeblks 0 0K 1867
freefrag 0 0K 25
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

ipsec-misc 0 0K 2
ipsecrequest 0 0K 0
ip6opt 0 0K 3
ip6_msource 0 0K 0
ip6_moptions 0 0K 0
in6_mfilter 0 0K 0
frag6 0 0K 0

tcplog 0 0K 0
tcp_hwpace 0 0K 0

ip_msource 0 0K 0
ip_moptions 0 0K 0
in_mfilter 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 20
fadvise 0 0K 0
VN POLL 0 0K 0
statfs 0 0K 2040
namei_tracker 0 0K 0
inotify 0 0K 0
export_host 0 0K 0
cl_savebuf 0 0K 17
aio 0 0K 0
lio 0 0K 0

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 16017
ioctlops 0 0K 102
eventfd 0 0K 0

Witness 0 0K 0
stack 0 0K 0

sbuf 0 0K 190

firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0

sysctltmp 0 0K 675

sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0

sendfile 0 0K 0

rctl 0 0K 0
cache 0 0K 0
kexec 0 0K 0

kcovinfo 0 0K 30

jaildesc 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0

sigio 0 0K 1
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 72

tcp_log_dev 0 0K 0

md_sectors 0 0K 0
md_disk 0 0K 0

mbuf_jumbo_page 4096 8320 1840 51902 0 254 41615360 0
tcp_log 416 10183 239 18202 0 254 4335552 0
malloc-384 384 8210 40 8212 0 30 3168000 0
mbuf 256 8633 1795 65038 0 254 2669568 0
BUF TRIE 152 314 11490 1081 0 62 1794208 0
mbuf_cluster 2048 762 0 762 0 254 1560576 0
malloc-128 128 11652 221 17412 0 126 1519744 0
malloc-4096 4096 359 3 543 0 2 1482752 0
UMA Slabs 0 112 11791 11 11791 0 126 1321824 0
vmem btag 56 18892 83 18892 0 254 1062600 0
RADIX NODE 152 4913 1478 81636 0 62 971432 0
malloc-65536 65536 12 0 16 0 1 786432 0
malloc-384 384 2014 26 2040 0 30 783360 0
FFS inode 1168 567 28 2418 0 8 694960 0
malloc-256 256 2106 129 7934 0 62 572160 0
pbuf 2664 0 198 0 0 2 527472 0
malloc-256 256 1998 57 5915 0 62 526080 0
socket 1024 27 481 1446 0 254 520192 0

lkpicurr 168 2 3094 2 0 62 520128 0

malloc-128 128 2395 147 5692 0 126 325376 0
THREAD 1860 145 23 1994 0 8 312480 0
256 Bucket 2048 130 22 1430 0 8 311296 0
VM OBJECT 248 1103 145 35524 0 62 309504 0
VNODE 440 603 90 2457 0 30 304920 0
malloc-64 64 3949 650 96183 0 254 294336 0

malloc-65536 65536 4 0 4 0 1 262144 0

malloc-4096 4096 53 5 2784 0 2 237568 0
malloc-16 16 14462 288 14529 0 254 236000 0
malloc-2048 2048 104 8 118 0 8 229376 0
DEVCTL 1024 33 187 160 0 0 225280 0

malloc-65536 65536 1 2 111 0 1 196608 0

malloc-16384 16384 8 4 2092 0 1 196608 0
mbuf_packet 256 5 757 3868 0 254 195072 0
UMA Zones 768 240 4 240 0 16 187392 0
malloc-32 32 5420 250 5454 0 254 181440 0
malloc-128 128 1230 165 26639 0 126 178560 0
FFS2 dinode 256 567 123 2418 0 62 176640 0

lkpimm 56 1 3095 1 0 254 173376 0

unpcb 320 11 505 1209 0 254 165120 0
FPU_save_area 832 147 51 18703 0 16 164736 0
malloc-2048 2048 7 65 1092 0 8 147456 0
malloc-1024 1024 122 22 143 0 16 147456 0
S VFS Cache 104 1027 377 4742 0 126 146016 0
MAP ENTRY 96 1207 305 83195 0 126 145152 0
malloc-65536 65536 0 2 74 0 1 131072 0

malloc-32768 32768 4 0 4 0 1 131072 0

ksiginfo 112 59 985 14913 0 126 116928 0
PROC 1368 51 26 2782 0 8 105336 0
malloc-32768 32768 2 1 12 0 1 98304 0
UMA Kegs 384 227 6 227 0 30 89472 0
syncache 168 0 528 6 0 254 88704 0
128 Bucket 1024 47 36 415 0 16 84992 0
filedesc0 1072 52 25 2783 0 8 82544 0
malloc-256 256 207 108 2061 0 62 80640 0
g_bio 440 0 180 5282 0 30 79200 0
malloc-64 64 532 539 1897 0 254 68544 0
malloc-128 128 345 182 461 0 126 67456 0
malloc-128 128 411 116 1309 0 126 67456 0
malloc-65536 65536 1 0 1 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-8192 8192 7 1 28 0 1 65536 0
64 Bucket 512 78 50 3328 0 30 65536 0
malloc-64 64 475 344 710 0 254 52416 0
malloc-64 64 401 418 3205 0 254 52416 0
udp_inpcb 408 6 120 188 0 30 51408 0
32 Bucket 256 58 137 1397 0 62 49920 0
DIRHASH 1024 34 14 34 0 16 49152 0
NAMEI 1024 0 48 24930 0 16 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-8192 8192 4 2 85 0 1 49152 0
malloc-4096 4096 9 3 11 0 2 49152 0
malloc-1024 1024 6 42 559 0 16 49152 0
VMSPACE 584 36 48 2768 0 16 49056 0
malloc-8192 8192 5 0 31 0 1 40960 0
malloc-4096 4096 6 4 2617 0 2 40960 0
pcpu-8 8 4798 322 5132 0 254 40960 0
pipe 736 20 35 399 0 16 40480 0
malloc-64 64 30 537 1901 0 254 36288 0
malloc-64 64 28 539 15677 0 254 36288 0
malloc-64 64 66 501 3331 0 254 36288 0
malloc-64 64 78 489 1985 0 254 36288 0
malloc-128 128 4 275 31 0 126 35712 0
malloc-128 128 107 172 581 0 126 35712 0
malloc-128 128 147 132 2000 0 126 35712 0
routing nhops 256 27 108 38 0 62 34560 0
ttyoutq 256 72 63 160 0 62 34560 0
malloc-384 384 52 38 52 0 30 34560 0
malloc-384 384 60 30 784 0 30 34560 0
malloc-384 384 56 34 75 0 30 34560 0
malloc-256 256 40 95 58 0 62 34560 0
malloc-256 256 7 128 330 0 62 34560 0
malloc-256 256 25 110 840 0 62 34560 0
malloc-256 256 40 95 369 0 62 34560 0
malloc-256 256 19 116 326 0 62 34560 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-2048 2048 11 5 12 0 8 32768 0
malloc-2048 2048 7 9 39 0 8 32768 0
malloc-2048 2048 0 16 80 0 8 32768 0
malloc-2048 2048 7 9 24 0 8 32768 0
malloc-1024 1024 15 17 17 0 16 32768 0
malloc-1024 1024 16 16 36 0 16 32768 0
malloc-1024 1024 3 29 146 0 16 32768 0
malloc-1024 1024 14 18 18 0 16 32768 0
malloc-1024 1024 2 30 2951 0 16 32768 0
malloc-512 512 3 61 11 0 30 32768 0
malloc-512 512 13 51 13 0 30 32768 0
malloc-512 512 2 62 112 0 30 32768 0
malloc-512 512 2 62 27 0 30 32768 0
malloc-512 512 11 53 68 0 30 32768 0
pcpu-64 64 503 9 503 0 254 32768 0
ertt_txseginfo 40 1 807 3224 0 254 32320 0
PWD 40 17 791 1971 0 254 32320 0
ttyinq 160 135 65 300 0 62 32000 0
Files 80 130 270 11542 0 126 32000 0
clpbuf 2664 0 12 67 0 4 31968 0
PGRP 120 26 238 73 0 126 31680 0
tcp_inpcb 1304 6 18 13 0 8 31296 0
sctp_laddr 48 0 588 16 0 254 28224 0
malloc-32 32 328 554 938 0 254 28224 0
16 Bucket 144 55 141 359 0 62 28224 0
4 Bucket 48 5 583 11 0 254 28224 0
da_ccb 544 0 49 1556 0 16 26656 0
TURNSTILE 136 169 20 169 0 62 25704 0
cpuset 200 7 121 7 0 62 25600 0
malloc-8192 8192 3 0 3 0 1 24576 0
malloc-4096 4096 3 3 7 0 2 24576 0
malloc-4096 4096 2 4 59 0 2 24576 0
rtentry 168 30 114 38 0 62 24192 0
8 Bucket 80 50 250 566 0 126 24000 0
malloc-384 384 2 58 387 0 30 23040 0
malloc-384 384 20 40 24 0 30 23040 0
SLEEPQUEUE 88 169 87 169 0 126 22528 0
hostcache 64 1 314 1 0 254 20160 0
ertt 72 6 274 13 0 126 20160 0
malloc-32 32 5 625 61 0 254 20160 0
malloc-32 32 94 536 115 0 254 20160 0
malloc-32 32 51 579 2756 0 254 20160 0
malloc-32 32 68 562 125 0 254 20160 0
malloc-32 32 63 567 2999 0 254 20160 0
malloc-32 32 63 567 1306 0 254 20160 0
2 Bucket 32 56 574 437 0 254 20160 0
KNOTE 160 6 119 1855 0 62 20000 0
vmem 1856 2 7 2 0 8 16704 0
epoch_record pcpu 256 4 60 4 0 62 16384 0
malloc-16384 16384 1 0 1 0 1 16384 0
malloc-16384 16384 1 0 3 0 1 16384 0
malloc-8192 8192 1 1 3 0 1 16384 0
malloc-4096 4096 1 3 2 0 2 16384 0
malloc-2048 2048 2 6 2 0 8 16384 0
malloc-2048 2048 3 5 194 0 8 16384 0
malloc-1024 1024 2 14 2 0 16 16384 0
malloc-512 512 3 29 8 0 30 16384 0
malloc-512 512 0 32 19 0 30 16384 0
SMR CPU 32 8 503 8 0 254 16352 0
vtnet_tx_hdr 24 0 668 2952 0 254 16032 0
malloc-16 16 304 696 29658 0 254 16000 0
kenv 258 17 43 1071 0 30 15480 0
mqnode 416 3 33 3 0 30 14976 0
SMR SHARED 24 8 503 8 0 254 12264 0
malloc-16 16 10 740 27 0 254 12000 0
malloc-16 16 33 717 159 0 254 12000 0
malloc-16 16 35 715 189 0 254 12000 0
malloc-16 16 207 543 3094 0 254 12000 0
malloc-16 16 38 712 56 0 254 12000 0
malloc-16 16 38 712 98 0 254 12000 0
malloc-384 384 6 24 6 0 30 11520 0
ripcb 376 2 28 7 0 30 11280 0
Mountpoints 2816 2 2 2 0 4 11264 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-8192 8192 1 0 1 0 1 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 152 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 fragment node 72 0 0 0 0 126 0 0
pf frags 232 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 Ethernet anchors 1240 0 0 0 0 64 0 0
pf anchors 1664 0 0 0 0 64 0 0
pf UDP mappings 104 0 0 0 0 126 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 384 0 0 0 0 254 0 0
pf tags 104 0 0 0 0 126 0 0
pf mtags 184 0 0 0 0 62 0 0
tcp_rack_pcb 1088 0 0 0 0 8 0 0
tcp_rack_map 128 0 0 0 0 126 0 0
tcp_bbr_pcb 896 0 0 0 0 16 0 0
tcp_bbr_map 128 0 0 0 0 126 0 0
tfo_ccache_entries 80 0 0 0 0 126 0 0
tfo 4 0 0 0 0 254 0 0
sackhole 32 0 0 0 0 254 0 0
ipq 56 0 0 0 0 254 0 0
sctp_asconf_ack 48 0 0 0 0 254 0 0
sctp_asconf 40 0 0 0 0 254 0 0
sctp_stream_msg_out 112 0 0 0 0 254 0 0
sctp_readq 152 0 0 0 0 254 0 0
sctp_chunk 152 0 0 0 0 254 0 0
sctp_raddr 736 0 0 0 0 254 0 0
sctp_asoc 2256 0 0 0 0 254 0 0
sctp_ep 1152 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 408 0 0 0 0 30 0 0
IPsec SA lft_c 16 0 0 0 0 254 0 0
itimer 352 0 0 0 0 30 0 0
AIOLIO 272 0 0 0 0 30 0 0
AIOCB 552 0 0 0 0 16 0 0
AIO 208 0 0 0 0 62 0 0
mqnotifier 216 0 0 0 0 62 0 0
mvdata 64 0 0 0 0 254 0 0
mqueue 248 0 0 0 0 62 0 0
TMPFS node 240 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
L VFS Cache 320 0 0 0 0 30 0 0
STS VFS Cache 144 0 0 0 0 62 0 0
cryptop 280 0 0 0 0 30 0 0
linux_dma_object 32 0 0 0 0 254 0 0
linux_dma_pctrie 152 0 0 0 0 62 0 0
IOMMU_MAP_ENTRY 112 0 0 0 0 126 0 0
skbuff 1808 0 0 0 0 8 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 2664 0 0 0 0 16 0 0
nfspbuf 2664 0 0 0 0 4 0 0
swwbuf 2664 0 0 0 0 2 0 0
swrbuf 2664 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 152 0 0 0 0 62 0 0
rl_entry 48 0 0 0 0 254 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

---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

syzbot

unread,

Dec 22, 2025, 9:32:25 AM (yesterday) Dec 22

to syzkaller-f...@googlegroups.com

syzbot has found a reproducer for the following issue on:

HEAD commit: 95788a851deb vm_fault_trap(): fix comments grammar
git tree: freebsd-src

console output: https://syzkaller.appspot.com/x/log.txt?x=16b60f7c580000
dashboard link: https://syzkaller.appspot.com/bug?extid=1967136cd02c22bc6f0d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=118fddb4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1547008a580000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+196713...@syzkaller.appspotmail.com

panic: MNT_DEFERRED requires MNT_RECURSE | MNT_FORCE

cpuid = 0
time = 1766413881
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056eeb610
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056eeb770
vpanic() at vpanic+0x257/frame 0xfffffe0056eeb930
panic() at panic+0xb5/frame 0xfffffe0056eeb9f0
dounmount() at dounmount+0x1783/frame 0xfffffe0056eebb30
kern_unmount() at kern_unmount+0x648/frame 0xfffffe0056eebd10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056eebf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056eebf30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a661a, rsp = 0x820996ad8, rbp = 0x820996b50 ---
KDB: enter: panic
[ thread pid 838 tid 100131 ]

Stopped at kdb_enter+0x6e: movq $0,0x2589a07(%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 0xfffffe0002bf1850

rdx 0xdffff7c000000000
rbx 0xffffffff82838a60 .str.27

rsp 0xfffffe0056eeb750
rbp 0xfffffe0056eeb770

rsi 0
rdi 0xffffffff830004e0 panicstr

r8 0
r9 0xffffffff
r10 0

r11 0x7f
r12 0xfffffe0058a9d780
r13 0xfffffffffffffffe

r14 0xffffffff82838a60 .str.27
r15 0
rip 0xffffffff8164a48e kdb_enter+0x6e
rflags 0x46
kdb_enter+0x6e: movq $0,0x2589a07(%rip)
db> show proc

Process 838 (syz-executor) at 0xfffffe0058add558:

state: NORMAL
uid: 0 gid: 0 supp gids: 0, 5

parent: pid 820 at 0xfffffe0058adf010
ABI: FreeBSD ELF64
flag: 0x10000000 flag2: 0

arguments: ./syz-executor exec
reaper: 0xfffffe0007809010 reapsubtree: 1
sigparent: 20

vmspace: 0xfffffe000780f490
(map 0xfffffe000780f490)
(map.pmap 0xfffffe000780f530)
(pmap 0xfffffe000780f5a0)
threads: 1
100131 Run CPU 0 syz-executor

db> ps
pid ppid pgrp uid state wmesg wchan cmd

838 820 820 0 R CPU 0 syz-executor
835 826 835 0 Ss select 0xfffffe006ecfe3c0 dhclient
830 1 830 0 Ss select 0xfffffe006ecfe5c0 dhclient
826 810 423 65 S select 0xfffffe006ecfe6c0 dhclient
820 773 820 0 S nanslp 0xffffffff83bb4f41 syz-executor
810 423 423 0 S wait 0xfffffe0058ade560 sh
773 772 770 0 S select 0xfffffe006df96240 syz-executor

772 770 770 0 S (threaded) syz-execprog

100098 S uwait 0xfffffe0059a2c800 syz-execprog
100115 S uwait 0xfffffe0059a2dc00 syz-execprog
100116 S uwait 0xfffffe0059a2db00 syz-execprog
100117 S kqread 0xfffffe00077c9600 syz-execprog
100118 S uwait 0xfffffe0058695e00 syz-execprog
100119 S uwait 0xfffffe00585f4780 syz-execprog
100120 S uwait 0xfffffe00585f4680 syz-execprog
100136 S uwait 0xfffffe0058695f00 syz-execprog
770 768 770 0 Ss sigsusp 0xfffffe0058aedb60 csh
768 681 768 0 Ss select 0xfffffe006df96340 sshd
747 1 747 0 Ss+ ttyin 0xfffffe005422dcb0 getty
746 1 746 0 Ss+ ttyin 0xfffffe00599528b0 getty
745 1 745 0 Ss+ ttyin 0xfffffe00599530b0 getty
744 1 744 0 Ss+ ttyin 0xfffffe00599538b0 getty
743 1 743 0 Ss+ ttyin 0xfffffe0007bf70b0 getty
742 1 742 0 Ss+ ttyin 0xfffffe0007bf78b0 getty
741 1 741 0 Ss+ ttyin 0xfffffe0007bf80b0 getty
740 1 740 0 Ss+ ttyin 0xfffffe0007bf88b0 getty
739 1 739 0 Ss+ ttyin 0xfffffe0007bf90b0 getty
737 1 17 0 S+ piperd 0xfffffe0059bb15c0 logger
736 735 17 0 S+ nanslp 0xffffffff83bb4f40 sleep
735 1 17 0 S+ wait 0xfffffe0058aee008 sh
685 1 685 0 Ss nanslp 0xffffffff83bb4f40 cron
681 1 681 0 Ss select 0xfffffe006df96740 sshd
494 1 494 0 Ss select 0xfffffe0059a8b740 syslogd
423 1 423 0 Ss wait 0xfffffe0058aab018 devd
422 1 422 65 Ss select 0xfffffe006df971c0 dhclient
337 1 337 0 Ss select 0xfffffe006df97140 dhclient
334 1 334 0 Ss select 0xfffffe00587ce9c0 dhclient

16 0 0 0 DL syncer 0xffffffff83ce2ae0 [syncer]

15 0 0 0 DL vlruwt 0xfffffe000780a018 [vnlru]

14 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83ce1020 [bufdaemon]

100080 D - 0xffffffff83001ec0 [bufspacedaemon-0]
100094 D sdflush 0xfffffe0057f20ce8 [/ worker]

9 0 0 0 DL psleep 0xffffffff83d223c0 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100077 D psleep 0xffffffff83d08488 [dom0]

100081 D launds 0xffffffff83d08494 [laundry: dom0]
100082 D umarcl 0xffffffff81e34d30 [uma]

7 0 0 0 DL - 0xffffffff8392d510 [rand_harvestq]

6 0 0 0 DL pftm 0xffffffff8440bf80 [pf purge]
5 0 0 0 DL waiting 0xffffffff846e1700 [sctp_iterator]

2 0 0 0 WL (threaded) [clock]
100031 I [clock (0)]
100032 I [clock (1)]

12 0 0 0 WL (threaded) [intr]
100013 I [swi6: task queue]
100014 I [swi6: Giant taskq]
100016 I [swi5: fast taskq]
100033 I [swi1: netisr 0]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100047 I [irq24: virtio_pci0]
100048 I [irq25: virtio_pci0]
100049 I [irq26: virtio_pci0]
100050 I [irq27: virtio_pci0]
100051 I [irq28: virtio_pci1]
100052 I [irq29: virtio_pci1]
100053 I [irq30: virtio_pci1]
100054 I [irq31: virtio_pci1]
100055 I [irq32: virtio_pci1]
100060 I [irq10: virtio_pci2]
100062 I [irq1: atkbd0]
100063 I [irq12: psm0]
100064 I [swi0: uart uart++]
100068 I [swi1: pf send]
11 0 0 0 RL (threaded) [idle]
100003 CanRun [idle: cpu0]

100004 Run CPU 1 [idle: cpu1]

100065 D - 0xffffffff8283d140 [deadlkres]

db> show all locks

db> show malloc
Type InUse MemUse Requests

pf_hash 6 12804K 6
devbuf 8283 7252K 8308
linker 385 5207K 499
tcp_hpts 8 4865K 8
sysctloid 35065 2066K 35140
vtbuf 24 1968K 46

newblk 1893 1497K 1957
kobj 337 1348K 501
vfscache 3 1025K 3
pcb 24 669K 47
inodedep 85 544K 109

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

subproc 102 205K 895

KTRACE 100 200K 100
acpica 1674 184K 56977

vmem 5 144K 6
tidhash 3 141K 3
pagedep 44 139K 51

tfo_ccache 1 128K 1
IP reass 1 128K 1

sem 4 106K 4
DEVFS1 103 103K 117
gtaskqueue 18 98K 18
bus 1015 83K 5167
LRO 12 75K 14

mtx_pool 3 74K 3
syncache 1 68K 1
NFSD srvcache 3 68K 3

module 529 67K 529
ddb_capture 1 64K 1

filedesc 5 37K 87
BPF 19 36K 20
umtx 272 34K 272
kdtrace 169 34K 976

hostcache 1 32K 1
shm 1 32K 1

DEVFS3 122 31K 133

msg 4 30K 4
kbdmux 6 28K 6

temp 19 21K 1796
DEVFS_RULE 56 20K 56

ufs_mount 4 17K 5
proc 3 17K 3

tty 16 16K 16
ithread 90 15K 90
bus-sc 34 15K 1690
ifaddr 45 15K 56
eventhandler 166 14K 166
kenv 95 12K 95
routetbl 79 12K 314
GEOM 49 11K 431

CAM queue 5 11K 1528

rman 75 10K 430
cred 24 9K 283
rpc 8 9K 8
bmsafemap 3 9K 75

devstat 4 9K 4
UART 12 9K 12

ksem 1 8K 1
mkdir 64 8K 80
shmfd 1 8K 1

pfs_vncache 1 8K 1
audit_evclass 240 8K 306

plimit 20 8K 438
taskqueue 69 8K 69
diradd 56 7K 72
lltable 23 7K 31

sglist 6 7K 6
CAM DEV 3 6K 510

kqueue 50 6K 845
pfs_nodes 22 6K 22
ether_multi 68 6K 106
dirrem 19 5K 32

ufs_dirhash 24 5K 24
UMA 268 5K 268

in6_multi 35 5K 45
newdirblk 34 5K 40
vt 11 5K 11
pf_ifnet 9 4K 16

memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4

acpisem 28 4K 28
ifnet 4 4K 5
pwddesc 46 3K 839
proc-args 75 3K 1891
terminal 11 3K 11
session 22 3K 47

acpidev 20 3K 20
hhook 8 3K 10

selfd 36 3K 28608
uidinfo 3 3K 9
netlink 2 3K 59

local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
clone 8 2K 8

lockf 19 2K 29
Unitno 27 2K 49

CAM XPT 22 2K 543

toponodes 6 2K 6
ipsecpolicy 2 2K 2

select 11 2K 35

msi 9 2K 9
softdep 1 1K 1

indirdep 4 1K 4

sahead 1 1K 1
secasvar 1 1K 1

ip6ndp 7 1K 10
vnodemarker 2 1K 8

NFSD session 1 1K 1

sctp_ifa 7 1K 10

CAM periph 4 1K 271

ipsec 3 1K 3
CC Mem 6 1K 13

in_multi 3 1K 6
nhops 6 1K 6

pfil 6 1K 6
isadev 6 1K 6
mount 16 1K 89
pci_link 10 1K 10

crypto 4 1K 4
encap_export_host 12 1K 12
osd 11 1K 30

mld 4 1K 5
igmp 4 1K 5
cdev 2 1K 2
DEVFSP 8 1K 44
lkpikmalloc 8 1K 9
inpcbpolicy 14 1K 168
counter_rate 13 1K 13
sctp_ifn 3 1K 10
tun 1 1K 2

chacha20random 1 1K 1
biobuf 1 1K 1

freefile 2 1K 11
vnodes 1 1K 1
procdesc 2 1K 8

NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CAM SIM 2 1K 2

cryptodev 3 1K 50
tcpfunc 3 1K 3

loginclass 3 1K 7
prison 6 1K 6

nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2

freefrag 1 1K 25
pmchooks 1 1K 1
filecaps 5 1K 72

CAM path 4 1K 1034
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1

soname 4 1K 3355
sctp_vrf 1 1K 1
freework 1 1K 28

vnet 1 1K 1
pmc 1 1K 1

entropy 2 1K 55

acpiintr 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1

Per-cpu 1 1K 1
p1003.1b 1 1K 1

ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0

tcp_pcm_rack 0 0K 0
tcp_do_rack 0 0K 0

tcp_fsb_rack 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 0
sctp_iter 0 0K 9
sctp_mvrf 0 0K 0
sctp_timw 0 0K 0

sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0

sctp_athm 0 0K 0
sctp_atky 0 0K 0

sctp_atcl 0 0K 0
sctp_a_it 0 0K 9

sctp_aadr 0 0K 0
sctp_stro 0 0K 0
sctp_stri 0 0K 0
sctp_map 0 0K 0

pf_table 0 0K 0
pf 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

filemon 0 0K 0

savedino 0 0K 16

sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0

sbdep 0 0K 2

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

freeblks 0 0K 27
allocindir 0 0K 0

ktls_ocf 0 0K 0

ipsec-misc 0 0K 2
ipsecrequest 0 0K 0
ip6opt 0 0K 3
ip6_msource 0 0K 0
ip6_moptions 0 0K 0
in6_mfilter 0 0K 0

frag6 0 0K 0

tcplog 0 0K 0
tcp_hwpace 0 0K 0

ip_msource 0 0K 0
ip_moptions 0 0K 0

in_mfilter 0 0K 0

zlib 0 0K 20
fadvise 0 0K 0
VN POLL 0 0K 0

statfs 0 0K 197

namei_tracker 0 0K 0
inotify 0 0K 0

export_host 0 0K 0

cl_savebuf 0 0K 17
aio 0 0K 0
lio 0 0K 0

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 15256
ioctlops 0 0K 92
eventfd 0 0K 0

Witness 0 0K 0
stack 0 0K 0

sbuf 0 0K 190

firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0

sysctltmp 0 0K 671

sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0

sendfile 0 0K 0

rctl 0 0K 0
cache 0 0K 0
kexec 0 0K 0

kcovinfo 0 0K 30

jaildesc 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0

sigio 0 0K 1
filedesc_to_leader 0 0K 0

raid_data 0 0K 72

tcp_log_dev 0 0K 0

md_sectors 0 0K 0
md_disk 0 0K 0

mbuf_jumbo_page 4096 8320 1840 51882 0 254 41615360 0
malloc-384 384 8207 43 8209 0 30 3168000 0
mbuf 256 8588 1839 56057 0 254 2669312 0
tcp_log 416 598 4739 8524 0 254 2220192 0
BUF TRIE 152 297 11507 1043 0 62 1794208 0
malloc-128 128 11629 244 11805 0 126 1519744 0
malloc-4096 4096 359 3 543 0 2 1482752 0
UMA Slabs 0 112 11625 33 11625 0 126 1305696 0
mbuf_cluster 2048 508 0 508 0 254 1040384 0
vmem btag 56 17565 114 17565 0 254 990024 0
malloc-65536 65536 12 1 16 0 1 851968 0
RADIX NODE 152 4594 627 28069 0 62 793592 0
FFS inode 1168 552 22 563 0 8 670432 0
malloc-256 256 2085 90 2390 0 62 556800 0

pbuf 2664 0 198 0 0 2 527472 0

socket 1024 27 481 1368 0 254 520192 0

lkpicurr 168 2 3094 2 0 62 520128 0

256 Bucket 2048 142 10 1300 0 8 311296 0
VM OBJECT 248 1065 119 13745 0 62 293632 0
VNODE 440 585 45 599 0 30 277200 0

malloc-65536 65536 4 0 4 0 1 262144 0

malloc-64 64 3930 165 33357 0 254 262080 0
THREAD 1860 122 14 136 0 8 252960 0

malloc-16 16 14462 288 14529 0 254 236000 0

malloc-2048 2048 104 8 117 0 8 229376 0
DEVCTL 1024 15 205 142 0 0 225280 0
malloc-4096 4096 47 3 840 0 2 204800 0

malloc-65536 65536 1 2 111 0 1 196608 0

UMA Zones 768 240 4 240 0 16 187392 0

malloc-32 32 5357 313 5391 0 254 181440 0
malloc-128 128 1224 171 26614 0 126 178560 0

lkpimm 56 1 3095 1 0 254 173376 0

unpcb 320 11 505 1178 0 254 165120 0
FFS2 dinode 256 552 78 563 0 62 161280 0
malloc-1024 1024 119 25 134 0 16 147456 0
S VFS Cache 104 1024 263 1065 0 126 133848 0
MAP ENTRY 96 1093 293 42831 0 126 133056 0
malloc-65536 65536 0 2 62 0 1 131072 0

malloc-32768 32768 4 0 4 0 1 131072 0

mbuf_packet 256 1 507 163 0 254 130048 0
FPU_save_area 832 124 20 479 0 16 119808 0
ksiginfo 112 39 1005 358 0 126 116928 0
malloc-2048 2048 7 49 1078 0 8 114688 0
malloc-128 128 555 220 3851 0 126 99200 0

malloc-32768 32768 2 1 12 0 1 98304 0

malloc-16384 16384 2 4 233 0 1 98304 0

UMA Kegs 384 227 6 227 0 30 89472 0

128 Bucket 1024 44 39 249 0 16 84992 0
PROC 1368 45 10 838 0 8 75240 0
malloc-8192 8192 7 2 28 0 1 73728 0
malloc-384 384 141 39 166 0 30 69120 0
malloc-64 64 532 539 1859 0 254 68544 0
malloc-128 128 344 183 447 0 126 67456 0
malloc-128 128 311 216 1141 0 126 67456 0

malloc-65536 65536 1 0 1 0 1 65536 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 120 0 1 65536 0

64 Bucket 512 71 57 2207 0 30 65536 0
malloc-256 256 178 77 197 0 62 65280 0
filedesc0 1072 46 10 839 0 8 60032 0
g_bio 440 0 126 5082 0 30 55440 0
malloc-64 64 475 344 697 0 254 52416 0
malloc-64 64 389 430 1252 0 254 52416 0
malloc-256 256 134 61 354 0 62 49920 0
32 Bucket 256 54 141 7727 0 62 49920 0

DIRHASH 1024 34 14 34 0 16 49152 0

NAMEI 1024 0 48 12905 0 16 49152 0

malloc-16384 16384 3 0 3 0 1 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-8192 8192 4 2 85 0 1 49152 0

malloc-1024 1024 6 42 558 0 16 49152 0
syncache 168 0 264 6 0 254 44352 0

malloc-8192 8192 5 0 31 0 1 40960 0

malloc-4096 4096 9 1 11 0 2 40960 0
pcpu-8 8 4504 616 4710 0 254 40960 0
pipe 736 11 44 339 0 16 40480 0
udp_inpcb 408 6 84 150 0 30 36720 0
malloc-64 64 30 537 66 0 254 36288 0
malloc-64 64 28 539 14956 0 254 36288 0
malloc-64 64 60 507 1505 0 254 36288 0
malloc-64 64 39 528 108 0 254 36288 0
malloc-128 128 7 272 31 0 126 35712 0
malloc-128 128 101 178 570 0 126 35712 0
malloc-128 128 141 138 154 0 126 35712 0
routing nhops 256 15 120 26 0 62 34560 0

ttyoutq 256 72 63 160 0 62 34560 0
malloc-384 384 52 38 52 0 30 34560 0

malloc-384 384 57 33 735 0 30 34560 0
malloc-384 384 47 43 66 0 30 34560 0
malloc-256 256 38 97 54 0 62 34560 0
malloc-256 256 7 128 310 0 62 34560 0
malloc-256 256 23 112 790 0 62 34560 0
malloc-256 256 25 110 347 0 62 34560 0
malloc-256 256 10 125 312 0 62 34560 0

malloc-32768 32768 1 0 1 0 1 32768 0

malloc-4096 4096 5 3 756 0 2 32768 0
malloc-2048 2048 5 11 6 0 8 32768 0
malloc-2048 2048 8 8 30 0 8 32768 0

malloc-2048 2048 0 16 80 0 8 32768 0
malloc-2048 2048 7 9 24 0 8 32768 0

malloc-1024 1024 12 20 14 0 16 32768 0
malloc-1024 1024 16 16 35 0 16 32768 0
malloc-1024 1024 3 29 145 0 16 32768 0

malloc-1024 1024 14 18 18 0 16 32768 0

malloc-1024 1024 2 30 980 0 16 32768 0

malloc-512 512 13 51 13 0 30 32768 0
malloc-512 512 2 62 112 0 30 32768 0

malloc-512 512 1 63 17 0 30 32768 0

malloc-512 512 11 53 68 0 30 32768 0
pcpu-64 64 503 9 503 0 254 32768 0

ertt_txseginfo 40 1 807 620 0 254 32320 0

ttyinq 160 135 65 300 0 62 32000 0

clpbuf 2664 0 12 67 0 4 31968 0

PGRP 120 23 241 63 0 126 31680 0

tcp_inpcb 1304 6 18 13 0 8 31296 0

VMSPACE 584 30 19 824 0 16 28616 0
sctp_laddr 48 0 588 10 0 254 28224 0
malloc-32 32 313 569 805 0 254 28224 0
16 Bucket 144 49 147 347 0 62 28224 0
4 Bucket 48 6 582 11 0 254 28224 0
da_ccb 544 0 49 1506 0 16 26656 0
TURNSTILE 136 137 52 137 0 62 25704 0

cpuset 200 7 121 7 0 62 25600 0
malloc-8192 8192 3 0 3 0 1 24576 0

PWD 40 13 593 130 0 254 24240 0
rtentry 168 18 126 26 0 62 24192 0
Files 80 103 197 7073 0 126 24000 0
8 Bucket 80 44 256 333 0 126 24000 0
malloc-384 384 2 58 381 0 30 23040 0
malloc-384 384 8 52 12 0 30 23040 0
ripcb 376 2 58 5 0 30 22560 0
Mountpoints 2816 2 6 2 0 4 22528 0
SLEEPQUEUE 88 137 119 137 0 126 22528 0

hostcache 64 1 314 1 0 254 20160 0
ertt 72 6 274 13 0 126 20160 0

malloc-32 32 5 625 55 0 254 20160 0

malloc-32 32 94 536 115 0 254 20160 0

malloc-32 32 45 585 891 0 254 20160 0
malloc-32 32 65 565 113 0 254 20160 0
malloc-32 32 60 570 2985 0 254 20160 0
malloc-32 32 48 582 1251 0 254 20160 0
2 Bucket 32 51 579 324 0 254 20160 0
KNOTE 160 6 119 107 0 62 20000 0

vmem 1856 2 7 2 0 8 16704 0
epoch_record pcpu 256 4 60 4 0 62 16384 0
malloc-16384 16384 1 0 1 0 1 16384 0
malloc-16384 16384 1 0 3 0 1 16384 0
malloc-8192 8192 1 1 3 0 1 16384 0
malloc-4096 4096 1 3 2 0 2 16384 0

malloc-4096 4096 3 1 7 0 2 16384 0
malloc-4096 4096 1 3 38 0 2 16384 0

malloc-2048 2048 2 6 2 0 8 16384 0
malloc-2048 2048 3 5 194 0 8 16384 0
malloc-1024 1024 2 14 2 0 16 16384 0

malloc-512 512 3 29 9 0 30 16384 0

malloc-512 512 3 29 8 0 30 16384 0

malloc-512 512 0 32 17 0 30 16384 0

SMR CPU 32 8 503 8 0 254 16352 0

malloc-16 16 298 702 27638 0 254 16000 0
kenv 258 17 43 1067 0 30 15480 0

mqnode 416 3 33 3 0 30 14976 0
SMR SHARED 24 8 503 8 0 254 12264 0

vtnet_tx_hdr 24 0 501 2568 0 254 12024 0
malloc-16 16 4 746 21 0 254 12000 0
malloc-16 16 33 717 141 0 254 12000 0
malloc-16 16 35 715 186 0 254 12000 0

malloc-16 16 207 543 3094 0 254 12000 0

malloc-16 16 35 715 53 0 254 12000 0
malloc-16 16 23 727 80 0 254 12000 0

malloc-384 384 6 24 6 0 30 11520 0

malloc-8192 8192 1 0 1 0 1 8192 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-8192 8192 1 0 1 0 1 8192 0

pcpu-16 16 8 504 8 0 254 8192 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 152 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 fragment node 72 0 0 0 0 126 0 0
pf frags 232 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 Ethernet anchors 1240 0 0 0 0 64 0 0
pf anchors 1664 0 0 0 0 64 0 0
pf UDP mappings 104 0 0 0 0 126 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 384 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

malloc-16384 16384 0 0 0 0 1 0 0
malloc-16384 16384 0 0 0 0 1 0 0
malloc-16384 16384 0 0 0 0 1 0 0
malloc-4096 4096 0 0 0 0 2 0 0
malloc-512 512 0 0 0 0 30 0 0
pcpu-32 32 0 0 0 0 254 0 0
pcpu-4 4 0 0 0 0 254 0 0
fakepg 88 0 0 0 0 126 0 0
UMA Hash 256 0 0 0 0 62 0 0
db> show all tcpcbs/bl

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