witness: denied attempt to set clock forward to ADDR (3)
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syzbot
Sep 29, 2025, 12:28:30 PMSep 29
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 33176f4338fa libcrypto: rsa gen: min. distance between p a..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1442ff12580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=31c7e5ec45a96120d9f8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bbc725bb8599/disk-33176f43.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/c70de43e7132/bsd-33176f43.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c01142b9c77f/kernel-33176f43.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+31c7e5...@syzkaller.appspotmail.com
witness: denied attempt to set clock forward to 52172937113390
lock order reversal:
denied attempt to set clock forward to 52172937113390
1st 0xffff8000fffeacd0 fdlock (&newfdp->fd_fd.fd_lock)
denied attempt to set clock forward to 52172937113390
2nd 0xfffffd806e155110 inode (&ip->i_lock)
denied attempt to set clock forward to 52172937113390
lock order [1] fdlock (&newfdp->fd_fd.fd_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff833688fe -> 0xffffffff833590b5 is missing
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 sblock+0xb6 sys/kern/uipc_socket2.c:536
#2 soreceive+0x27d sys/kern/uipc_socket.c:870
#3 fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264
#4 VOP_READ+0x101 sys/kern/vfs_vops.c:227
#5 vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1
#6 vndsetcred+0xa1 sys/dev/vnd.c:685
#7 vndioctl+0xdfb sys/dev/vnd.c:486
#8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#10 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#12 Xsyscall+0x128
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] fdlock (&newfdp->fd_fd.fd_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 unp_externalize+0x3cf sys/kern/uipc_usrreq.c:1074
#2 soreceive+0xc24 sys/kern/uipc_socket.c:1009
#3 recvit+0x40b sys/kern/uipc_syscalls.c:1078
#4 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#6 Xsyscall+0x128
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffffd806e155110,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e1550f8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e1550f8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd806426e488,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd806426e488,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 sys/kern/vfs_vnops.c:615
fdrop(fffffd8067b635e8,ffff80003c40fcc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
knote_remove(ffff80003c40fcc8,fffffd806f022000,fffffd806f022090,8,0) at knote_remove+0x449 sys/kern/kern_event.c:2168
knote_fdclose(ffff80003c40fcc8,8) at knote_fdclose+0xf9 sys/kern/kern_event.c:2203
fdrelease(ffff80003c40fcc8,8) at fdrelease+0xf9 sys/kern/kern_descrip.c:760
syscall(ffff80002f7d2630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002f7d2630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x81d72690670, count: -13
ddb{0}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80002f7d2140
rbx 0
rdx 0xffff800001453940
rcx 0xffff80003c40fcc8
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80002f7d2020
r9 0x8080808080808080
r10 0x970bdc2e1a81af90
r11 0xdd7736fc902aac7a
r12 0xfffffd8003f10d00
r13 0xfffffd80046fdb48
r14 0x3
r15 0xffffffff833edc9a substchar+0x7e59
rip 0xffffffff830559f5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002f7d2130
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=400013 pid=76962 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c40e2d8,0xffff800033be8570
process=0xffff8000fffeeb68 user=0xffff80002f7cd000, vmspace=0xfffffd806b987b88
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
68518 373302 29497 0 2 0 syz-executor
68518 117641 29497 0 3 0x4000080 fsleep syz-executor
7756 8854 56490 0 2 0 syz-executor
7756 318783 56490 0 7 0x4000000 syz-executor
7756 338936 56490 0 3 0x4000080 fsleep syz-executor
76962 503235 77882 0 2 0 syz-executor
76962 253865 77882 0 3 0x4000080 msgwait syz-executor
*76962 400013 77882 0 7 0x4000000 syz-executor
76962 124400 77882 0 3 0x4000080 fsleep syz-executor
51823 73480 8949 -1 2 0x10 syz-executor
51823 235515 8949 -1 3 0x4000090 fsleep syz-executor
51823 19897 8949 -1 3 0x4000090 fsleep syz-executor
51823 295414 8949 -1 3 0x4000090 fsleep syz-executor
45697 290409 61187 0 3 0x80 nanoslp syz-executor
45697 353572 61187 0 3 0x4000080 fsleep syz-executor
45697 308171 61187 0 2 0x4000000 syz-executor
45697 482370 61187 0 3 0x4000080 fsleep syz-executor
59929 68224 0 0 3 0x14200 acct acct
56490 228304 56871 0 3 0x82 nanoslp syz-executor
54683 459704 56871 0 3 0x82 nanoslp syz-executor
94490 319045 0 0 3 0x14280 nfsidl nfsio
54830 370895 0 0 3 0x14280 nfsidl nfsio
18608 279774 0 0 3 0x14280 nfsidl nfsio
21826 451731 0 0 3 0x14280 nfsidl nfsio
47148 312562 0 0 3 0x14280 nfsidl nfsio
81623 128076 0 0 3 0x14280 nfsidl nfsio
7894 21037 0 0 3 0x14280 nfsidl nfsio
53469 153589 0 0 3 0x14280 nfsidl nfsio
41159 478685 0 0 3 0x14280 nfsidl nfsio
82747 520573 0 0 3 0x14280 nfsidl nfsio
57657 235139 0 0 3 0x14280 nfsidl nfsio
32778 168806 0 0 3 0x14280 nfsidl nfsio
96048 508628 0 0 3 0x14280 nfsidl nfsio
56177 367942 0 0 3 0x14280 nfsidl nfsio
731 424859 0 0 3 0x14280 nfsidl nfsio
66544 306759 0 0 3 0x14280 nfsidl nfsio
11949 19141 0 0 3 0x14280 nfsidl nfsio
86799 45099 0 0 3 0x14280 nfsidl nfsio
29365 4711 0 0 3 0x14280 nfsidl nfsio
56293 398155 0 0 3 0x14280 nfsidl nfsio
76442 87302 56871 0 3 0x2 biowait syz-executor
4327 319600 0 0 3 0x14200 bored sosplice
61187 260459 56871 0 3 0x82 nanoslp syz-executor
29497 398272 56871 0 3 0x82 nanoslp syz-executor
35764 475039 56871 0 3 0x82 nanoslp syz-executor
77882 165670 56871 0 3 0x82 nanoslp syz-executor
8949 274655 56871 0 3 0x82 nanoslp syz-executor
56871 292873 73617 0 3 0x82 kqread syz-executor
73617 307381 69699 0 3 0x10008a sigsusp ksh
69699 143406 82581 0 3 0x98 kqread sshd-session
82581 459838 66978 0 3 0x92 kqread sshd-session
73714 354810 1 0 3 0x100083 ttyopn getty
66978 251615 1 0 3 0x88 kqread sshd
31631 257029 66233 74 3 0x1100092 bpf pflogd
66233 76764 1 0 3 0x80 sbwait pflogd
8168 414923 54071 73 3 0x1100090 kqread syslogd
54071 350409 1 0 3 0x100082 sbwait syslogd
62785 69722 1 0 3 0x100080 kqread resolvd
77219 460018 2255 77 3 0x100092 kqread dhcpleased
7566 228549 2255 77 3 0x100092 kqread dhcpleased
2255 343293 1 0 3 0x80 kqread dhcpleased
85730 183863 0 0 3 0x14200 bored smr
17722 295451 0 0 2 0x14200 zerothread
7120 413061 0 0 3 0x14200 aiodoned aiodoned
66670 120492 0 0 3 0x14200 syncer update
37608 378188 0 0 3 0x14200 cleaner cleaner
15315 145126 0 0 3 0x14200 reaper reaper
1402 319489 0 0 3 0x14200 pgdaemon pagedaemon
13456 134299 0 0 3 0x14200 bored viomb
5212 9541 0 0 3 0x40014200 acpi0 acpi0
18786 494496 0 0 3 0x40014200 idle1
65113 269856 0 0 3 0x14200 bored softnet1
12211 390123 0 0 3 0x14200 bored softnet0
13562 453318 0 0 3 0x14200 bored systqmp
62786 320901 0 0 3 0x14200 bored systq
75019 284697 0 0 3 0x14200 tmoslp softclockmp
543 192365 0 0 3 0x40014200 tmoslp softclock
88153 348040 0 0 3 0x40014200 idle0
1 195264 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 76962 (syz-executor) thread 0xffff80003c40fcc8 (400013)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838caf48)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608
#2 fdrop+0x121 sys/kern/kern_descrip.c:1280
#3 knote_remove+0x449 sys/kern/kern_event.c:2168
#4 knote_fdclose+0xf9 sys/kern/kern_event.c:2203
#5 fdrelease+0xf9 sys/kern/kern_descrip.c:760
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#7 Xsyscall+0x128
exclusive rwlock fdlock r = 0 (0xffff8000fffeacd0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 sys_close+0xd0 sys/kern/kern_descrip.c:778
#3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#4 Xsyscall+0x128
Process 76442 (syz-executor) thread 0xffff800033be0fb8 (87302)
exclusive rrwlock inode r = 0 (0xfffffd806b8e8ec0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e150118)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6 namei+0x7ca sys/kern/vfs_lookup.c:250
#7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10213 11036K 11289K 166960K 12139 0
pcb 18 16K 18K 166960K 276 0
rtable 222 11K 12K 166960K 538 0
pf 42 19K 22K 166960K 124 0
ifaddr 44 7K 8K 166960K 94 0
ifgroup 62 2K 2K 166960K 139 0
sysctl 3 1K 9K 166960K 9 0
counters 72 37K 37K 166960K 186 0
ioctlops 0 0K 8K 166960K 1650 0
iov 0 0K 12K 166960K 117 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1459 92K 92K 166960K 2146 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 5K 166960K 15 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 232 0
dirhash 12 2K 2K 166960K 33 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 89K 166960K 960 0
sigio 0 0K 0K 166960K 18 0
proc 72 115K 180K 166960K 699 0
subproc 72 4K 4K 166960K 100 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 126 0
in_multi 91 6K 7K 166960K 175 0
ether_multi 1 0K 0K 166960K 6 0
mrt 1 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 115 519K 519K 166960K 115 0
exec 0 0K 1K 166960K 552 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 255 180K 191K 166960K 10482 0
UVM aobj 29 4K 4K 166960K 33 0
pinsyscall 42 84K 102K 166960K 2176 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 49 0
NDP 14 0K 2K 166960K 65 0
temp 70 8654K 8725K 166960K 49071 0
kqueue 15 24K 32K 166960K 197 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 104 0 101 1 0 1 1 0 8 0
rtentry 176 155 0 70 5 0 5 5 0 8 0
unpcb 144 542 0 520 5 4 1 4 0 8 0
syncache 336 10 0 10 2 1 1 1 0 8 1
tcpqe 32 2 0 2 1 1 0 1 0 8 0
tcpcb 736 381 0 374 9 5 4 7 0 8 2
arp 136 18 0 9 1 0 1 1 0 8 0
inpcb 328 1290 0 1276 12 5 7 12 0 8 5
nd6 152 28 0 9 1 0 1 1 0 8 0
pkpcb 40 4 0 4 2 1 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
ppxss 1192 50 0 49 1 0 1 1 0 8 0
pppxif 1504 2 0 2 2 2 0 1 0 8 0
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 40 4 0 3 2 1 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 1 0 1 1 0 1 1 0 8 1
pfstitem 24 47 0 17 1 0 1 1 0 8 0
pfstkey 128 49 0 19 2 0 2 2 0 8 0
pfstate 384 49 0 19 4 0 4 4 0 8 0
pfrule 1344 27 0 21 2 1 1 2 0 8 0
rttmr 136 2 0 2 1 1 0 1 0 8 0
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 736 0 327 36 6 30 30 0 8 1
art_table 40 740 0 327 5 0 5 5 0 8 0
art_node 32 154 0 79 1 0 1 1 0 8 0
sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 228 0 218 1 0 1 1 0 8 0
shmpl 112 30 0 4 1 0 1 1 0 8 0
dirhash 1024 31 0 14 3 0 3 3 0 8 0
dino2pl 256 3236 0 1723 95 0 95 95 0 8 0
ffsino 296 3236 0 1723 117 0 117 117 0 8 0
nchpl 144 4539 0 2837 64 0 64 64 0 8 0
rtmask 32 7 0 7 1 1 0 1 0 8 0
vnodes 216 3699 0 0 206 0 206 206 0 8 0
namei 1024 16661 0 16660 4 2 2 2 0 8 1
percpumem 16 108 0 57 1 0 1 1 0 8 0
kstatmem 264 88 0 58 3 0 3 3 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 2 0 2 2 1 1 1 0 8 1
scxspl 216 34797 0 34796 10 5 5 8 1 8 4
plimitpl 152 191 0 174 1 0 1 1 0 8 0
sigapl 424 1289 0 1220 9 1 8 8 0 8 0
knotepl 120 327 0 0 10 0 10 10 0 8 0
kqueuepl 224 453 0 441 7 4 3 5 0 8 2
pipepl 344 258 0 229 9 6 3 9 0 8 0
fdescpl 528 1249 0 1218 3 0 3 3 0 8 0
filepl 160 8311 0 8077 23 9 14 22 0 8 2
lockfpl 104 319 0 316 1 0 1 1 0 8 0
lockfspl 48 110 0 107 1 0 1 1 0 8 0
sessionpl 144 31 0 22 1 0 1 1 0 8 0
pgrppl 48 56 0 39 1 0 1 1 0 8 0
ucredpl 104 1248 0 1231 1 0 1 1 0 8 0
zombiepl 144 1222 0 1220 1 0 1 1 0 8 0
processpl 1232 1289 0 1220 6 0 6 6 0 8 0
procpl 664 2727 0 2646 9 1 8 8 0 8 0
sosppl 168 4 0 4 2 1 1 1 0 8 1
sockpl 752 1958 0 1918 24 13 11 17 0 8 6
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 119 0 0 15 0 15 15 0 8 0
mcl2k 2048 36 0 0 5 0 5 5 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 225 0 0 14 0 14 14 0 8 0
bufpl 280 16491 0 10348 439 0 439 439 0 8 0
anonpl 32 15172 0 0 123 0 123 123 0 246 0
amapchunkpl 152 35591 0 35018 39 4 35 35 0 158 11
amappl16 200 5932 0 5895 45 24 21 35 0 8 8
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 132 0 119 1 0 1 1 0 8 0
amappl13 176 5 0 5 1 1 0 1 0 8 0
amappl12 168 1956 0 1925 2 0 2 2 0 8 0
amappl11 160 51 0 37 1 0 1 1 0 8 0
amappl10 152 10 0 10 1 1 0 1 0 8 0
amappl9 144 270 0 270 1 1 0 1 0 8 0
amappl8 136 60 0 57 1 0 1 1 0 8 0
amappl7 128 136 0 123 1 0 1 1 0 8 0
amappl6 120 216 0 211 1 0 1 1 0 8 0
amappl5 112 133 0 124 1 0 1 1 0 8 0
amappl4 104 330 0 309 1 0 1 1 0 8 0
amappl3 96 6032 0 5933 4 1 3 4 0 8 0
amappl2 88 1542 0 1465 2 0 2 2 0 8 0
amappl1 80 13233 0 12630 16 1 15 15 0 8 0
amappl 88 9565 0 9384 5 0 5 5 0 92 0
uvmvnodes 80 3699 0 0 76 0 76 76 0 8 0
dma32768 32768 1 0 1 1 1 0 1 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 2 1 1 1 0 8 1
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 32 0 4 1 0 1 1 0 8 0
uaddrrnd 24 1249 0 1218 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1249 0 1218 1 0 1 1 0 8 0
vmmpekpl 168 11944 0 11887 3 0 3 3 0 8 0
vmmpepl 168 87983 0 85961 120 9 111 118 0 357 8
vmsppl 488 1248 0 1218 5 0 5 5 0 8 0
rwobjpl 80 30525 0 25837 102 0 102 102 0 8 0
pdppl 4096 2505 0 2436 110 39 71 83 0 8 2
pvpl 32 23086 0 0 187 0 187 187 0 265 0
pmappl 256 1248 0 1218 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 307 0 56 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffffd806e155110,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e1550f8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e1550f8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd806426e488,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd806426e488,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 sys/kern/vfs_vnops.c:615
fdrop(fffffd8067b635e8,ffff80003c40fcc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
knote_remove(ffff80003c40fcc8,fffffd806f022000,fffffd806f022090,8,0) at knote_remove+0x449 sys/kern/kern_event.c:2168
knote_fdclose(ffff80003c40fcc8,8) at knote_fdclose+0xf9 sys/kern/kern_event.c:2203
fdrelease(ffff80003c40fcc8,8) at fdrelease+0xf9 sys/kern/kern_descrip.c:760
syscall(ffff80002f7d2630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002f7d2630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x81d72690670, count: -13
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff838cad40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff838cad40) at __mp_lock+0x192 sys/kern/kern_lock.c:165
vn_write(fffffd806b9ae850,ffff80003c50a6d8,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393
dofilewritev(ffff800033be87f8,c8,ffff80003c50a6d8,0,ffff80003c50a790) at dofilewritev+0x242 sys/kern/sys_generic.c:380
sys_write(ffff800033be87f8,ffff80003c50a840,ffff80003c50a790) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003c50a840) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c50a840) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xae58871b860, count: -9
---
This report is generated by a bot. It may contain errors.
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If the report is already addressed, let syzbot know by replying with:
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If you want to overwrite report's subsystems, reply with:
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If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 33176f4338fa libcrypto: rsa gen: min. distance between p a..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1442ff12580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=31c7e5ec45a96120d9f8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bbc725bb8599/disk-33176f43.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/c70de43e7132/bsd-33176f43.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c01142b9c77f/kernel-33176f43.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+31c7e5...@syzkaller.appspotmail.com
witness: denied attempt to set clock forward to 52172937113390
lock order reversal:
denied attempt to set clock forward to 52172937113390
1st 0xffff8000fffeacd0 fdlock (&newfdp->fd_fd.fd_lock)
denied attempt to set clock forward to 52172937113390
2nd 0xfffffd806e155110 inode (&ip->i_lock)
denied attempt to set clock forward to 52172937113390
lock order [1] fdlock (&newfdp->fd_fd.fd_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff833688fe -> 0xffffffff833590b5 is missing
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 sblock+0xb6 sys/kern/uipc_socket2.c:536
#2 soreceive+0x27d sys/kern/uipc_socket.c:870
#3 fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264
#4 VOP_READ+0x101 sys/kern/vfs_vops.c:227
#5 vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1
#6 vndsetcred+0xa1 sys/dev/vnd.c:685
#7 vndioctl+0xdfb sys/dev/vnd.c:486
#8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#10 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#12 Xsyscall+0x128
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] fdlock (&newfdp->fd_fd.fd_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 unp_externalize+0x3cf sys/kern/uipc_usrreq.c:1074
#2 soreceive+0xc24 sys/kern/uipc_socket.c:1009
#3 recvit+0x40b sys/kern/uipc_syscalls.c:1078
#4 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#6 Xsyscall+0x128
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffffd806e155110,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e1550f8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e1550f8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd806426e488,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd806426e488,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 sys/kern/vfs_vnops.c:615
fdrop(fffffd8067b635e8,ffff80003c40fcc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
knote_remove(ffff80003c40fcc8,fffffd806f022000,fffffd806f022090,8,0) at knote_remove+0x449 sys/kern/kern_event.c:2168
knote_fdclose(ffff80003c40fcc8,8) at knote_fdclose+0xf9 sys/kern/kern_event.c:2203
fdrelease(ffff80003c40fcc8,8) at fdrelease+0xf9 sys/kern/kern_descrip.c:760
syscall(ffff80002f7d2630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002f7d2630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x81d72690670, count: -13
ddb{0}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80002f7d2140
rbx 0
rdx 0xffff800001453940
rcx 0xffff80003c40fcc8
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80002f7d2020
r9 0x8080808080808080
r10 0x970bdc2e1a81af90
r11 0xdd7736fc902aac7a
r12 0xfffffd8003f10d00
r13 0xfffffd80046fdb48
r14 0x3
r15 0xffffffff833edc9a substchar+0x7e59
rip 0xffffffff830559f5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002f7d2130
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=400013 pid=76962 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c40e2d8,0xffff800033be8570
process=0xffff8000fffeeb68 user=0xffff80002f7cd000, vmspace=0xfffffd806b987b88
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
68518 373302 29497 0 2 0 syz-executor
68518 117641 29497 0 3 0x4000080 fsleep syz-executor
7756 8854 56490 0 2 0 syz-executor
7756 318783 56490 0 7 0x4000000 syz-executor
7756 338936 56490 0 3 0x4000080 fsleep syz-executor
76962 503235 77882 0 2 0 syz-executor
76962 253865 77882 0 3 0x4000080 msgwait syz-executor
*76962 400013 77882 0 7 0x4000000 syz-executor
76962 124400 77882 0 3 0x4000080 fsleep syz-executor
51823 73480 8949 -1 2 0x10 syz-executor
51823 235515 8949 -1 3 0x4000090 fsleep syz-executor
51823 19897 8949 -1 3 0x4000090 fsleep syz-executor
51823 295414 8949 -1 3 0x4000090 fsleep syz-executor
45697 290409 61187 0 3 0x80 nanoslp syz-executor
45697 353572 61187 0 3 0x4000080 fsleep syz-executor
45697 308171 61187 0 2 0x4000000 syz-executor
45697 482370 61187 0 3 0x4000080 fsleep syz-executor
59929 68224 0 0 3 0x14200 acct acct
56490 228304 56871 0 3 0x82 nanoslp syz-executor
54683 459704 56871 0 3 0x82 nanoslp syz-executor
94490 319045 0 0 3 0x14280 nfsidl nfsio
54830 370895 0 0 3 0x14280 nfsidl nfsio
18608 279774 0 0 3 0x14280 nfsidl nfsio
21826 451731 0 0 3 0x14280 nfsidl nfsio
47148 312562 0 0 3 0x14280 nfsidl nfsio
81623 128076 0 0 3 0x14280 nfsidl nfsio
7894 21037 0 0 3 0x14280 nfsidl nfsio
53469 153589 0 0 3 0x14280 nfsidl nfsio
41159 478685 0 0 3 0x14280 nfsidl nfsio
82747 520573 0 0 3 0x14280 nfsidl nfsio
57657 235139 0 0 3 0x14280 nfsidl nfsio
32778 168806 0 0 3 0x14280 nfsidl nfsio
96048 508628 0 0 3 0x14280 nfsidl nfsio
56177 367942 0 0 3 0x14280 nfsidl nfsio
731 424859 0 0 3 0x14280 nfsidl nfsio
66544 306759 0 0 3 0x14280 nfsidl nfsio
11949 19141 0 0 3 0x14280 nfsidl nfsio
86799 45099 0 0 3 0x14280 nfsidl nfsio
29365 4711 0 0 3 0x14280 nfsidl nfsio
56293 398155 0 0 3 0x14280 nfsidl nfsio
76442 87302 56871 0 3 0x2 biowait syz-executor
4327 319600 0 0 3 0x14200 bored sosplice
61187 260459 56871 0 3 0x82 nanoslp syz-executor
29497 398272 56871 0 3 0x82 nanoslp syz-executor
35764 475039 56871 0 3 0x82 nanoslp syz-executor
77882 165670 56871 0 3 0x82 nanoslp syz-executor
8949 274655 56871 0 3 0x82 nanoslp syz-executor
56871 292873 73617 0 3 0x82 kqread syz-executor
73617 307381 69699 0 3 0x10008a sigsusp ksh
69699 143406 82581 0 3 0x98 kqread sshd-session
82581 459838 66978 0 3 0x92 kqread sshd-session
73714 354810 1 0 3 0x100083 ttyopn getty
66978 251615 1 0 3 0x88 kqread sshd
31631 257029 66233 74 3 0x1100092 bpf pflogd
66233 76764 1 0 3 0x80 sbwait pflogd
8168 414923 54071 73 3 0x1100090 kqread syslogd
54071 350409 1 0 3 0x100082 sbwait syslogd
62785 69722 1 0 3 0x100080 kqread resolvd
77219 460018 2255 77 3 0x100092 kqread dhcpleased
7566 228549 2255 77 3 0x100092 kqread dhcpleased
2255 343293 1 0 3 0x80 kqread dhcpleased
85730 183863 0 0 3 0x14200 bored smr
17722 295451 0 0 2 0x14200 zerothread
7120 413061 0 0 3 0x14200 aiodoned aiodoned
66670 120492 0 0 3 0x14200 syncer update
37608 378188 0 0 3 0x14200 cleaner cleaner
15315 145126 0 0 3 0x14200 reaper reaper
1402 319489 0 0 3 0x14200 pgdaemon pagedaemon
13456 134299 0 0 3 0x14200 bored viomb
5212 9541 0 0 3 0x40014200 acpi0 acpi0
18786 494496 0 0 3 0x40014200 idle1
65113 269856 0 0 3 0x14200 bored softnet1
12211 390123 0 0 3 0x14200 bored softnet0
13562 453318 0 0 3 0x14200 bored systqmp
62786 320901 0 0 3 0x14200 bored systq
75019 284697 0 0 3 0x14200 tmoslp softclockmp
543 192365 0 0 3 0x40014200 tmoslp softclock
88153 348040 0 0 3 0x40014200 idle0
1 195264 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 76962 (syz-executor) thread 0xffff80003c40fcc8 (400013)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838caf48)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608
#2 fdrop+0x121 sys/kern/kern_descrip.c:1280
#3 knote_remove+0x449 sys/kern/kern_event.c:2168
#4 knote_fdclose+0xf9 sys/kern/kern_event.c:2203
#5 fdrelease+0xf9 sys/kern/kern_descrip.c:760
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#7 Xsyscall+0x128
exclusive rwlock fdlock r = 0 (0xffff8000fffeacd0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 sys_close+0xd0 sys/kern/kern_descrip.c:778
#3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#4 Xsyscall+0x128
Process 76442 (syz-executor) thread 0xffff800033be0fb8 (87302)
exclusive rrwlock inode r = 0 (0xfffffd806b8e8ec0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e150118)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6 namei+0x7ca sys/kern/vfs_lookup.c:250
#7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10213 11036K 11289K 166960K 12139 0
pcb 18 16K 18K 166960K 276 0
rtable 222 11K 12K 166960K 538 0
pf 42 19K 22K 166960K 124 0
ifaddr 44 7K 8K 166960K 94 0
ifgroup 62 2K 2K 166960K 139 0
sysctl 3 1K 9K 166960K 9 0
counters 72 37K 37K 166960K 186 0
ioctlops 0 0K 8K 166960K 1650 0
iov 0 0K 12K 166960K 117 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1459 92K 92K 166960K 2146 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 5K 166960K 15 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 232 0
dirhash 12 2K 2K 166960K 33 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 89K 166960K 960 0
sigio 0 0K 0K 166960K 18 0
proc 72 115K 180K 166960K 699 0
subproc 72 4K 4K 166960K 100 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 126 0
in_multi 91 6K 7K 166960K 175 0
ether_multi 1 0K 0K 166960K 6 0
mrt 1 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 115 519K 519K 166960K 115 0
exec 0 0K 1K 166960K 552 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 255 180K 191K 166960K 10482 0
UVM aobj 29 4K 4K 166960K 33 0
pinsyscall 42 84K 102K 166960K 2176 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 49 0
NDP 14 0K 2K 166960K 65 0
temp 70 8654K 8725K 166960K 49071 0
kqueue 15 24K 32K 166960K 197 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 104 0 101 1 0 1 1 0 8 0
rtentry 176 155 0 70 5 0 5 5 0 8 0
unpcb 144 542 0 520 5 4 1 4 0 8 0
syncache 336 10 0 10 2 1 1 1 0 8 1
tcpqe 32 2 0 2 1 1 0 1 0 8 0
tcpcb 736 381 0 374 9 5 4 7 0 8 2
arp 136 18 0 9 1 0 1 1 0 8 0
inpcb 328 1290 0 1276 12 5 7 12 0 8 5
nd6 152 28 0 9 1 0 1 1 0 8 0
pkpcb 40 4 0 4 2 1 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
ppxss 1192 50 0 49 1 0 1 1 0 8 0
pppxif 1504 2 0 2 2 2 0 1 0 8 0
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 40 4 0 3 2 1 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 1 0 1 1 0 1 1 0 8 1
pfstitem 24 47 0 17 1 0 1 1 0 8 0
pfstkey 128 49 0 19 2 0 2 2 0 8 0
pfstate 384 49 0 19 4 0 4 4 0 8 0
pfrule 1344 27 0 21 2 1 1 2 0 8 0
rttmr 136 2 0 2 1 1 0 1 0 8 0
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 736 0 327 36 6 30 30 0 8 1
art_table 40 740 0 327 5 0 5 5 0 8 0
art_node 32 154 0 79 1 0 1 1 0 8 0
sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 228 0 218 1 0 1 1 0 8 0
shmpl 112 30 0 4 1 0 1 1 0 8 0
dirhash 1024 31 0 14 3 0 3 3 0 8 0
dino2pl 256 3236 0 1723 95 0 95 95 0 8 0
ffsino 296 3236 0 1723 117 0 117 117 0 8 0
nchpl 144 4539 0 2837 64 0 64 64 0 8 0
rtmask 32 7 0 7 1 1 0 1 0 8 0
vnodes 216 3699 0 0 206 0 206 206 0 8 0
namei 1024 16661 0 16660 4 2 2 2 0 8 1
percpumem 16 108 0 57 1 0 1 1 0 8 0
kstatmem 264 88 0 58 3 0 3 3 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 2 0 2 2 1 1 1 0 8 1
scxspl 216 34797 0 34796 10 5 5 8 1 8 4
plimitpl 152 191 0 174 1 0 1 1 0 8 0
sigapl 424 1289 0 1220 9 1 8 8 0 8 0
knotepl 120 327 0 0 10 0 10 10 0 8 0
kqueuepl 224 453 0 441 7 4 3 5 0 8 2
pipepl 344 258 0 229 9 6 3 9 0 8 0
fdescpl 528 1249 0 1218 3 0 3 3 0 8 0
filepl 160 8311 0 8077 23 9 14 22 0 8 2
lockfpl 104 319 0 316 1 0 1 1 0 8 0
lockfspl 48 110 0 107 1 0 1 1 0 8 0
sessionpl 144 31 0 22 1 0 1 1 0 8 0
pgrppl 48 56 0 39 1 0 1 1 0 8 0
ucredpl 104 1248 0 1231 1 0 1 1 0 8 0
zombiepl 144 1222 0 1220 1 0 1 1 0 8 0
processpl 1232 1289 0 1220 6 0 6 6 0 8 0
procpl 664 2727 0 2646 9 1 8 8 0 8 0
sosppl 168 4 0 4 2 1 1 1 0 8 1
sockpl 752 1958 0 1918 24 13 11 17 0 8 6
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 119 0 0 15 0 15 15 0 8 0
mcl2k 2048 36 0 0 5 0 5 5 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 225 0 0 14 0 14 14 0 8 0
bufpl 280 16491 0 10348 439 0 439 439 0 8 0
anonpl 32 15172 0 0 123 0 123 123 0 246 0
amapchunkpl 152 35591 0 35018 39 4 35 35 0 158 11
amappl16 200 5932 0 5895 45 24 21 35 0 8 8
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 132 0 119 1 0 1 1 0 8 0
amappl13 176 5 0 5 1 1 0 1 0 8 0
amappl12 168 1956 0 1925 2 0 2 2 0 8 0
amappl11 160 51 0 37 1 0 1 1 0 8 0
amappl10 152 10 0 10 1 1 0 1 0 8 0
amappl9 144 270 0 270 1 1 0 1 0 8 0
amappl8 136 60 0 57 1 0 1 1 0 8 0
amappl7 128 136 0 123 1 0 1 1 0 8 0
amappl6 120 216 0 211 1 0 1 1 0 8 0
amappl5 112 133 0 124 1 0 1 1 0 8 0
amappl4 104 330 0 309 1 0 1 1 0 8 0
amappl3 96 6032 0 5933 4 1 3 4 0 8 0
amappl2 88 1542 0 1465 2 0 2 2 0 8 0
amappl1 80 13233 0 12630 16 1 15 15 0 8 0
amappl 88 9565 0 9384 5 0 5 5 0 92 0
uvmvnodes 80 3699 0 0 76 0 76 76 0 8 0
dma32768 32768 1 0 1 1 1 0 1 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 2 1 1 1 0 8 1
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 32 0 4 1 0 1 1 0 8 0
uaddrrnd 24 1249 0 1218 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1249 0 1218 1 0 1 1 0 8 0
vmmpekpl 168 11944 0 11887 3 0 3 3 0 8 0
vmmpepl 168 87983 0 85961 120 9 111 118 0 357 8
vmsppl 488 1248 0 1218 5 0 5 5 0 8 0
rwobjpl 80 30525 0 25837 102 0 102 102 0 8 0
pdppl 4096 2505 0 2436 110 39 71 83 0 8 2
pvpl 32 23086 0 0 187 0 187 187 0 265 0
pmappl 256 1248 0 1218 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 307 0 56 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffffd806e155110,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e1550f8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e1550f8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd806426e488,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd806426e488,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8067b635e8,ffff80003c40fcc8) at vn_closefile+0x111 sys/kern/vfs_vnops.c:615
fdrop(fffffd8067b635e8,ffff80003c40fcc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
knote_remove(ffff80003c40fcc8,fffffd806f022000,fffffd806f022090,8,0) at knote_remove+0x449 sys/kern/kern_event.c:2168
knote_fdclose(ffff80003c40fcc8,8) at knote_fdclose+0xf9 sys/kern/kern_event.c:2203
fdrelease(ffff80003c40fcc8,8) at fdrelease+0xf9 sys/kern/kern_descrip.c:760
syscall(ffff80002f7d2630) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002f7d2630) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x81d72690670, count: -13
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff838cad40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff838cad40) at __mp_lock+0x192 sys/kern/kern_lock.c:165
vn_write(fffffd806b9ae850,ffff80003c50a6d8,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393
dofilewritev(ffff800033be87f8,c8,ffff80003c50a6d8,0,ffff80003c50a790) at dofilewritev+0x242 sys/kern/sys_generic.c:380
sys_write(ffff800033be87f8,ffff80003c50a840,ffff80003c50a790) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003c50a840) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c50a840) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xae58871b860, count: -9
---
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