panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *233081 27095 60929 0x10 0x4000000 1K syz-executor 57285 16763 73 0x1100010 0 0 syslogd db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307609b) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c5787e8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c5787d8) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002a0be6d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0be6d0,ffff80002a0be708,ffff80002a0be730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c5786f8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0be870,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0be870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0bebf4,5,20000100,ffff80002a0bec28,0,37,1b0753b1adb02f2c) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a14c2c0,ffff80002a0bed60,ffff80002a0becb0) at sys_sysctl+0x422 syscall(ffff80002a0bed60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0bed60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a0bede0, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307609b) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c5787e8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c5787d8) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002a0be6d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0be6d0,ffff80002a0be708,ffff80002a0be730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c5786f8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0be870,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0be870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0bebf4,5,20000100,ffff80002a0bec28,0,37,1b0753b1adb02f2c) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a14c2c0,ffff80002a0bed60,ffff80002a0becb0) at sys_sysctl+0x422 syscall(ffff80002a0bed60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0bed60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1c7515b280, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0be330 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff80002a14c2c0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x86c3bfff5ac15f8a r11 0x6f602af6a6b16b0b r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff811ca555 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0be320 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=233081 pid=27095 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a14d1f0,0xffff80002a14c7e0 process=0xffff8000361a3b08 user=0xffff80002a0b9000, vmspace=0xfffffd806c5786f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 63087 38171 12932 0 2 0 syz-executor 27095 40262 12961 60929 2 0x10 syz-executor *27095 233081 12961 60929 7 0x4000010 syz-executor 27095 169448 12961 60929 3 0x4000090 fsleep syz-executor 1364 266809 64477 0 2 0 syz-executor 1364 218367 64477 0 2 0x4000000 syz-executor 42266 176107 0 0 3 0x14200 acct acct 67589 110296 80149 0 2 0x100002 sh 91764 322854 93415 0 2 0 syz-executor 91764 470822 93415 0 2 0x4000000 syz-executor 69699 194531 35711 0 2 0 syz-executor 69699 264074 35711 0 2 0x4000000 syz-executor 69699 483209 35711 0 3 0x4000080 fsleep syz-executor 69699 98181 35711 0 2 0x4000000 syz-executor 80149 486834 44202 0 3 0x82 wait syz-executor 12961 429493 44202 0 3 0x82 nanoslp syz-executor 64477 29139 44202 0 3 0x82 nanoslp syz-executor 93415 343051 44202 0 3 0x82 nanoslp syz-executor 12932 389180 44202 0 3 0x82 nanoslp syz-executor 5563 22191 44202 0 2 0x2 syz-executor 35711 83145 44202 0 3 0x82 nanoslp syz-executor 51222 380871 44202 0 2 0x2 syz-executor 1831 404699 1 0 3 0x100083 ttyin getty 78564 151582 0 0 3 0x14200 bored sosplice 44202 159120 81015 0 2 0x2 syz-executor 81015 212686 21089 0 3 0x10008a sigsusp ksh 21089 439460 44728 0 3 0x98 kqread sshd-session 44728 339438 97119 0 3 0x92 kqread sshd-session 97119 312015 1 0 3 0x88 kqread sshd 14836 226094 75541 74 3 0x1100092 bpf pflogd 75541 440448 1 0 3 0x80 sbwait pflogd 16763 57285 44238 73 7 0x1100010 syslogd 44238 277576 1 0 3 0x100082 sbwait syslogd 94848 410147 1 0 3 0x100080 kqread resolvd 48576 335337 0 0 3 0x14200 bored smr 49197 462763 0 0 2 0x14200 zerothread 35951 54988 0 0 3 0x14200 aiodoned aiodoned 37454 305600 0 0 3 0x14200 syncer update 73687 390379 0 0 3 0x14200 cleaner cleaner 8295 193971 0 0 3 0x14200 reaper reaper 81560 253419 0 0 3 0x14200 pgdaemon pagedaemon 40904 357901 0 0 3 0x14200 bored viomb 22773 391977 0 0 3 0x40014200 acpi0 acpi0 41027 92295 0 0 3 0x40014200 idle1 80562 347670 0 0 3 0x14200 bored softnet3 37135 39042 0 0 3 0x14200 bored softnet2 52246 414402 0 0 3 0x14200 bored softnet1 32760 444183 0 0 3 0x14200 bored softnet0 78351 38947 0 0 3 0x14200 bored systqmp 68520 517660 0 0 3 0x14200 bored systq 84559 93535 0 0 3 0x14200 tmoslp softclockmp 61786 462084 0 0 3 0x40014200 tmoslp softclock 36406 40416 0 0 3 0x40014200 idle0 1 57695 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff8357bb00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sysctl_file+0xa2d #4 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 27095 (syz-executor) thread 0xffff80002a14c2c0 (233081) exclusive rwlock netlock r = 0 (0xffffffff8340a2e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_file+0xa18 sys/kern/kern_sysctl.c:1675 #2 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8357cd50) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 malloc+0xe5 sys/kern/kern_malloc.c:170 #5 sysctl_file+0x1cb sys/kern/kern_sysctl.c:1649 #6 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #7 sys_sysctl+0x422 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834404c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff8357bb00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sysctl_file+0xa2d #4 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 91764 (syz-executor) thread 0xffff80002a03ef50 (470822) exclusive rwlock fdlock r = 0 (0xfffffd807f7d1248) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 dokqueue+0x174 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 69699 (syz-executor) thread 0xffff80002a03e020 (264074) exclusive rwlock futex r = 0 (0xffffffff8344b9a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_futex+0x69 sys/kern/sys_futex.c:98 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 16763 (syslogd) thread 0xffff8000ffffd960 (57285) exclusive rrwlock inode r = 0 (0xfffffd806e40b0a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 11205K 11392K 166960K 12152 0 pcb 17 16K 18K 166960K 275 0 rtable 190 5K 7K 166960K 969 0 pf 38 18K 26K 166960K 156 0 ifaddr 39 6K 8K 166960K 140 0 ifgroup 55 2K 2K 166960K 190 0 sysctl 3 0K 1K 166960K 6 0 counters 64 36K 37K 166960K 148 0 ioctlops 0 0K 4K 166960K 1741 0 iov 0 0K 28K 166960K 75 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1437 90K 91K 166960K 2229 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 21 0 VM map 2 1K 1K 166960K 2 0 sem 19 10K 10K 166960K 125 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 89K 166960K 1459 0 sigio 0 0K 0K 166960K 33 0 proc 66 67K 139K 166960K 1099 0 subproc 104 6K 7K 166960K 325 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 301 0 in_multi 85 6K 7K 166960K 300 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 767 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 194 72K 91K 166960K 14379 0 UVM aobj 131 67K 69K 166960K 135 0 pinsyscall 35 70K 102K 166960K 2946 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 58 0 NDP 16 0K 2K 166960K 102 0 temp 63 6822K 6917K 166960K 68984 0 kqueue 9 15K 28K 166960K 199 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 134 0 133 1 0 1 1 0 8 0 rtentry 112 305 0 219 4 0 4 4 0 8 1 unpcb 144 1105 0 1093 13 12 1 6 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 625 0 618 14 13 1 8 0 8 0 arp 120 53 0 37 1 0 1 1 0 8 0 inpcb 336 2116 0 2109 29 27 2 13 0 8 1 nd6 136 80 0 59 1 0 1 1 0 8 0 pkpcb 40 3 0 3 3 3 0 1 0 8 0 kcovpl 48 25 0 17 1 0 1 1 0 8 0 ppxss 1168 19 0 19 4 4 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 1 1 0 1 1 0 8 0 pffrent 40 11 0 5 1 0 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 122 0 63 1 0 1 1 0 8 0 pfstkey 128 123 0 64 3 0 3 3 0 8 0 pfstate 376 122 0 64 8 0 8 8 0 8 0 pfrule 1344 28 0 19 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1258 0 881 30 3 27 29 0 8 3 art_table 32 1259 0 881 4 0 4 4 0 8 0 art_node 16 304 0 227 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 118 0 101 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 3593 0 2065 96 0 96 96 0 8 0 ffsino 272 3593 0 2065 104 1 103 103 0 8 0 nchpl 144 5375 0 3666 64 0 64 64 0 8 0 uvmvnodes 80 4200 0 0 86 0 86 86 0 8 0 vnodes 216 4200 0 0 234 0 234 234 0 8 0 namei 1024 20256 0 20254 4 3 1 2 0 8 0 percpumem 16 88 0 42 1 0 1 1 0 8 0 kstatmem 264 108 0 84 3 1 2 3 0 8 0 scxspl 216 31223 0 31223 12 11 1 8 1 8 1 plimitpl 152 504 0 488 1 0 1 1 0 8 0 sigapl 424 1750 0 1703 9 1 8 8 0 8 0 futexpl 64 17404 0 17401 2 1 1 1 0 8 0 knotepl 120 354 0 0 10 0 10 10 0 8 0 kqueuepl 216 474 0 465 9 8 1 5 0 8 0 pipepl 320 295 0 268 5 2 3 5 0 8 0 fdescpl 496 1709 0 1682 5 0 5 5 0 8 1 filepl 152 11611 0 11377 27 16 11 19 0 8 1 lockfpl 104 638 0 637 3 2 1 2 0 8 0 lockfspl 48 227 0 226 1 0 1 1 0 8 0 sessionpl 144 42 0 34 1 0 1 1 0 8 0 pgrppl 48 86 0 70 1 0 1 1 0 8 0 ucredpl 104 1385 0 1374 1 0 1 1 0 8 0 zombiepl 144 1884 0 1884 1 0 1 1 0 8 1 processpl 1160 1750 0 1703 7 2 5 6 0 8 0 procpl 648 3671 0 3617 8 1 7 8 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 10 0 10 5 5 0 1 0 8 0 sockpl 664 3441 0 3420 36 31 5 16 0 8 2 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 16 0 16 16 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 330 0 0 18 0 18 18 0 8 0 bufpl 280 9845 0 3671 442 0 442 442 0 8 0 anonpl 24 258800 0 253379 87 22 65 68 0 185 15 amapchunkpl 152 46803 0 46318 47 13 34 35 0 158 11 amappl16 200 5378 0 5302 51 41 10 21 0 8 2 amappl15 192 26 0 26 1 1 0 1 0 8 0 amappl14 184 147 0 138 1 0 1 1 0 8 0 amappl13 176 23 0 23 2 2 0 1 0 8 0 amappl12 168 2602 0 2575 3 1 2 2 0 8 0 amappl11 160 55 0 47 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 163 0 163 1 1 0 1 0 8 0 amappl8 136 26 0 22 1 0 1 1 0 8 0 amappl7 128 140 0 131 1 0 1 1 0 8 0 amappl6 120 329 0 327 1 0 1 1 0 8 0 amappl5 112 199 0 190 1 0 1 1 0 8 0 amappl4 104 368 0 349 1 0 1 1 0 8 0 amappl3 96 9565 0 9480 4 0 4 4 0 8 1 amappl2 88 904 0 854 2 0 2 2 0 8 0 amappl1 80 12894 0 12425 14 0 14 14 0 8 1 amappl 88 13783 0 13639 5 0 5 5 0 92 0 dma16384 16384 2 0 2 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 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 2 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 1709 0 1682 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1709 0 1682 1 0 1 1 0 8 0 vmmpekpl 168 14840 0 14781 4 0 4 4 0 8 0 vmmpepl 168 109659 0 108073 105 17 88 101 0 357 7 vmsppl 440 1708 0 1682 7 3 4 5 0 8 0 rwobjpl 56 35152 0 30003 75 2 73 73 0 8 0 pdppl 4096 3425 0 3364 131 64 67 83 0 8 6 pvpl 32 30858 0 0 248 0 248 248 0 265 0 pmappl 248 1708 0 1682 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 463 0 120 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834aeff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff8357cb48) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357cb48) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8357cb48,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x21e sys/kern/kern_synch.c:416 biowait(fffffd806ea79358) at biowait+0xc1 sys/kern/vfs_bio.c:1254 bwrite(fffffd806ea79358) at bwrite+0x2e2 sys/kern/vfs_bio.c:766 ffs_update(fffffd806e40b008,1) at ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 VOP_FSYNC(fffffd806e1c5c20,fffffd807f7d3958,1,ffff8000ffffd960) at VOP_FSYNC+0x108 sys/kern/vfs_vops.c:311 sys_fsync(ffff8000ffffd960,ffff80002a06ad30,ffff80002a06ac80) at sys_fsync+0x16f sys/kern/vfs_syscalls.c:2926 syscall(ffff80002a06ad30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06ad30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eb409845eb0, count: 1 ddb{0}> trace x86_ipi_db(ffffffff834aeff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff8357cb48) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357cb48) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8357cb48,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x21e sys/kern/kern_synch.c:416 biowait(fffffd806ea79358) at biowait+0xc1 sys/kern/vfs_bio.c:1254 bwrite(fffffd806ea79358) at bwrite+0x2e2 sys/kern/vfs_bio.c:766 ffs_update(fffffd806e40b008,1) at ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 VOP_FSYNC(fffffd806e1c5c20,fffffd807f7d3958,1,ffff8000ffffd960) at VOP_FSYNC+0x108 sys/kern/vfs_vops.c:311 sys_fsync(ffff8000ffffd960,ffff80002a06ad30,ffff80002a06ac80) at sys_fsync+0x16f sys/kern/vfs_syscalls.c:2926 syscall(ffff80002a06ad30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06ad30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eb409845eb0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307609b) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c5787e8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c5787d8) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002a0be6d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0be6d0,ffff80002a0be708,ffff80002a0be730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c5786f8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0be870,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0be870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0bebf4,5,20000100,ffff80002a0bec28,0,37,1b0753b1adb02f2c) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a14c2c0,ffff80002a0bed60,ffff80002a0becb0) at sys_sysctl+0x422 syscall(ffff80002a0bed60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0bed60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a0bede0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307609b) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c5787e8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c5787d8) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002a0be6d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0be6d0,ffff80002a0be708,ffff80002a0be730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c5786f8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0be870,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0be870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0bebf4,5,20000100,ffff80002a0bec28,0,37,1b0753b1adb02f2c) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a14c2c0,ffff80002a0bed60,ffff80002a0becb0) at sys_sysctl+0x422 syscall(ffff80002a0bed60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0bed60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1c7515b280, count: -15