panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *489362 92522 0 0 0x4000000 0 syz-executor.7 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c014c) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82b59978,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 kpageflttrap(ffff80002c8b3df0,0) at kpageflttrap+0x29a sys/arch/amd64/amd64/trap.c:288 kerntrap(ffff80002c8b3df0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_do_get(ffffffff82ab7cb8,9,ffff80002c8b3f98) at pool_do_get+0x2cd pool_update_curpage sys/kern/subr_pool.c:1059 [inline] pool_do_get(ffffffff82ab7cb8,9,ffff80002c8b3f98) at pool_do_get+0x2cd sys/kern/subr_pool.c:765 pool_get(ffffffff82ab7cb8,9) at pool_get+0xe9 sys/kern/subr_pool.c:582 falloc(ffff80002131a7e8,ffff80002c8b4090,ffff80002c8b409c) at falloc+0x129 fnew sys/kern/kern_descrip.c:1046 [inline] falloc(ffff80002131a7e8,ffff80002c8b4090,ffff80002c8b409c) at falloc+0x129 sys/kern/kern_descrip.c:1020 sys_socket(ffff80002131a7e8,ffff80002c8b4108,ffff80002c8b4150) at sys_socket+0x16b sys/kern/uipc_syscalls.c:106 syscall(ffff80002c8b41d0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002c8b41d0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x299af4cd940, count: 2 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c014c) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82b59978,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 kpageflttrap(ffff80002c8b3df0,0) at kpageflttrap+0x29a sys/arch/amd64/amd64/trap.c:288 kerntrap(ffff80002c8b3df0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_do_get(ffffffff82ab7cb8,9,ffff80002c8b3f98) at pool_do_get+0x2cd pool_update_curpage sys/kern/subr_pool.c:1059 [inline] pool_do_get(ffffffff82ab7cb8,9,ffff80002c8b3f98) at pool_do_get+0x2cd sys/kern/subr_pool.c:765 pool_get(ffffffff82ab7cb8,9) at pool_get+0xe9 sys/kern/subr_pool.c:582 falloc(ffff80002131a7e8,ffff80002c8b4090,ffff80002c8b409c) at falloc+0x129 fnew sys/kern/kern_descrip.c:1046 [inline] falloc(ffff80002131a7e8,ffff80002c8b4090,ffff80002c8b409c) at falloc+0x129 sys/kern/kern_descrip.c:1020 sys_socket(ffff80002131a7e8,ffff80002c8b4108,ffff80002c8b4150) at sys_socket+0x16b sys/kern/uipc_syscalls.c:106 syscall(ffff80002c8b41d0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002c8b41d0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x299af4cd940, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002c8b3b60 rbx 0xffffffff82952b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff80002131a7e8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4257b97ad21e629a r11 0x6b23ae206cadc0b8 r12 0xffffffff82952990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff8157f0e8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002c8b3b50 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=489362 stat=onproc flags process=0 proc=4000000 pri=84, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff80002131a548,0xffff80002131afd8 process=0xffff8000ffff8008 user=0xffff80002c8af000, vmspace=0xfffffd8066bd7478 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83829 34178 51766 0 2 0 syz-executor.2 58269 285363 27997 0 2 0 syz-executor.0 58269 213671 27997 0 3 0x4000080 fsleep syz-executor.0 92522 507732 55621 0 2 0 syz-executor.7 *92522 489362 55621 0 7 0x4000000 syz-executor.7 82949 44174 92592 0 2 0 syz-executor.6 82949 207648 92592 0 3 0x4000080 fsleep syz-executor.6 98169 281578 14439 0 2 0 syz-executor.3 98169 281093 14439 0 3 0x4000080 fsleep syz-executor.3 26843 402380 75570 0 2 0 syz-executor.4 26843 487579 75570 0 2 0x4000000 syz-executor.4 26843 289467 75570 0 3 0x4000080 fsleep syz-executor.4 51766 123870 1787 0 3 0x82 nanoslp syz-executor.2 92592 137112 1787 0 3 0x82 nanoslp syz-executor.6 46122 30689 1 0 3 0x100083 ttyin getty 33069 194035 1787 0 2 0x2 syz-executor.5 55621 198901 1787 0 3 0x82 nanoslp syz-executor.7 27997 317872 1787 0 3 0x82 nanoslp syz-executor.0 14439 64970 1787 0 3 0x82 nanoslp syz-executor.3 75570 282304 1787 0 3 0x82 nanoslp syz-executor.4 22703 462445 1787 0 2 0x2 syz-executor.1 84451 26461 0 0 3 0x14200 bored sosplice 47538 483212 0 0 3 0x14280 nfsidl nfsio 96662 15858 0 0 3 0x14280 nfsidl nfsio 60392 342335 0 0 3 0x14280 nfsidl nfsio 63562 190699 0 0 3 0x14280 nfsidl nfsio 94839 506890 0 0 3 0x14280 nfsidl nfsio 15496 497017 0 0 3 0x14280 nfsidl nfsio 85874 392007 0 0 3 0x14280 nfsidl nfsio 28869 221127 0 0 3 0x14280 nfsidl nfsio 89133 212421 0 0 3 0x14280 nfsidl nfsio 38356 464609 0 0 3 0x14280 nfsidl nfsio 37965 124608 0 0 3 0x14280 nfsidl nfsio 25004 399479 0 0 3 0x14280 nfsidl nfsio 11974 172548 0 0 3 0x14280 nfsidl nfsio 2141 109881 0 0 3 0x14280 nfsidl nfsio 98018 500285 0 0 3 0x14280 nfsidl nfsio 94437 194303 0 0 3 0x14280 nfsidl nfsio 46113 33695 0 0 3 0x14280 nfsidl nfsio 32858 195718 0 0 3 0x14280 nfsidl nfsio 79348 399706 0 0 3 0x14280 nfsidl nfsio 71285 81667 0 0 3 0x14280 nfsidl nfsio 1787 400809 19246 0 3 0x82 thrsleep syz-fuzzer 1787 238770 19246 0 3 0x4000082 nanoslp syz-fuzzer 1787 338663 19246 0 3 0x4000082 wait syz-fuzzer 1787 119804 19246 0 3 0x4000082 thrsleep syz-fuzzer 1787 313479 19246 0 3 0x4000082 wait syz-fuzzer 1787 480972 19246 0 3 0x4000082 thrsleep syz-fuzzer 1787 417851 19246 0 3 0x4000082 wait syz-fuzzer 1787 69395 19246 0 3 0x4000082 wait syz-fuzzer 1787 333180 19246 0 3 0x4000082 thrsleep syz-fuzzer 1787 518991 19246 0 3 0x4000082 wait syz-fuzzer 1787 484953 19246 0 3 0x4000082 wait syz-fuzzer 1787 476347 19246 0 3 0x4000082 thrsleep syz-fuzzer 1787 362410 19246 0 3 0x4000082 kqread syz-fuzzer 1787 97788 19246 0 3 0x4000082 thrsleep syz-fuzzer 1787 19540 19246 0 3 0x4000082 wait syz-fuzzer 1787 323297 19246 0 3 0x4000082 wait syz-fuzzer 19246 426802 58178 0 3 0x10008a sigsusp ksh 58178 373610 74087 0 3 0x9a kqread sshd 74087 329353 1 0 3 0x88 kqread sshd 4563 447762 72951 74 3 0x1100092 bpf pflogd 72951 128526 1 0 3 0x80 netio pflogd 21017 454294 87976 73 3 0x1100090 kqread syslogd 87976 127507 1 0 3 0x100082 netio syslogd 18218 442257 1 0 3 0x100080 kqread resolvd 86378 401689 58918 77 3 0x100092 kqread dhcpleased 23485 196011 58918 77 3 0x100092 kqread dhcpleased 58918 128667 1 0 3 0x80 kqread dhcpleased 17332 8944 0 0 3 0x14200 bored smr 76575 353701 0 0 2 0x14200 zerothread 73910 438925 0 0 3 0x14200 aiodoned aiodoned 32417 461305 0 0 3 0x14200 syncer update 48587 330711 0 0 3 0x14200 cleaner cleaner 37824 112874 0 0 3 0x14200 reaper reaper 56529 272581 0 0 3 0x14200 pgdaemon pagedaemon 88433 508652 0 0 3 0x14200 bored viomb 99022 291483 0 0 3 0x40014200 acpi0 acpi0 91834 309523 0 0 7 0x40014200 idle1 91611 122575 0 0 3 0x14200 bored softnet 50247 505254 0 0 3 0x14200 bored softnet 9450 376552 0 0 3 0x14200 bored softnet 39626 111924 0 0 3 0x14200 bored softnet 70200 140897 0 0 3 0x14200 bored systqmp 67145 368899 0 0 3 0x14200 bored systq 87177 365828 0 0 3 0x40014200 bored softclock 25905 90736 0 0 3 0x40014200 idle0 1 311301 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex filepl r = 0 (0xffffffff82ab7cc8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:579 #4 falloc+0x129 fnew sys/kern/kern_descrip.c:1046 [inline] #4 falloc+0x129 sys/kern/kern_descrip.c:1020 #5 sys_socket+0x16b sys/kern/uipc_syscalls.c:106 #6 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #6 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #7 Xsyscall+0x128 Process 92522 (syz-executor.7) thread 0xffff80002131a7e8 (489362) exclusive rwlock fdlock r = 0 (0xfffffd80663cbc00) #0 witness_lock+0x44d #1 sys_socket+0x15b #2 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #2 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #3 Xsyscall+0x128 exclusive mutex filepl r = 0 (0xffffffff82ab7cc8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:579 #4 falloc+0x129 fnew sys/kern/kern_descrip.c:1046 [inline] #4 falloc+0x129 sys/kern/kern_descrip.c:1020 #5 sys_socket+0x16b sys/kern/uipc_syscalls.c:106 #6 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #6 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10245 6573K 7140K 78643K 25551 0 pcb 13 18K 21K 78643K 2038 0 rtable 229 17K 18K 78643K 2173 0 ifaddr 94 21K 22K 78643K 741 0 sysctl 3 1K 3K 78643K 12 0 counters 60 35K 36K 78643K 762 0 ioctlops 0 0K 4K 78643K 3476 0 iov 0 0K 24K 78643K 1624 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1604 100K 101K 78643K 8795 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 92 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3865 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 85K 78643K 9758 0 sigio 0 0K 0K 78643K 179 0 proc 72 91K 128K 78643K 1905 0 subproc 104 6K 6K 78643K 496 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 783 0 in_multi 88 5K 7K 78643K 706 0 ether_multi 1 0K 0K 78643K 68 0 mrt 1 0K 0K 78643K 38 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 1K 78643K 2350 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 494 617K 617K 78643K 65190 0 UVM aobj 131 4K 4K 78643K 132 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 406 0 NDP 17 0K 2K 78643K 244 0 temp 152 4699K 5723K 78643K 106788 0 kqueue 12 18K 28K 78643K 995 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 570 0 567 8 7 1 3 0 8 0 rtentry 112 665 0 572 5 2 3 4 0 8 0 unpcb 144 6568 0 6553 82 81 1 10 0 8 0 syncache 296 90 0 90 19 19 0 1 0 8 0 tcpqe 32 140 0 140 16 16 0 1 0 8 0 tcpcb 776 13638 0 13590 173 165 8 18 0 8 3 arp 120 121 0 104 1 0 1 1 0 8 0 inpcb 368 20354 0 20302 193 184 9 19 0 8 4 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 4 0 4 1 1 0 1 0 8 0 nd6 48 138 0 118 1 0 1 1 0 8 0 pkpcb 40 17 0 17 4 4 0 1 0 8 0 kcovpl 48 38 0 30 1 0 1 1 0 8 0 mppekey 1024 72 0 72 3 3 0 1 0 8 0 ppxss 1256 272 0 272 13 13 0 1 0 8 0 pppxif 1448 196 0 196 8 8 0 1 0 8 0 pfstscr 40 47 0 43 1 0 1 1 0 8 0 pffrag 232 49 0 49 4 4 0 1 0 482 0 pffrnode 88 49 0 49 4 4 0 1 0 8 0 pffrent 40 150 0 150 4 4 0 1 0 8 0 pfosfp 40 1463 0 1039 5 0 5 5 0 8 0 pfosfpen 112 1463 0 748 21 0 21 21 0 8 0 pfanchor 1280 649 44 137 47 4 43 43 0 8 0 pfstitem 24 99 0 89 1 0 1 1 0 8 0 pfstkey 120 183 0 179 1 0 1 1 0 8 0 pfstate 384 132 0 126 4 2 2 3 0 8 0 pfrule 1344 21 0 20 2 1 1 2 0 8 0 rttmr 136 7 0 7 2 2 0 1 0 8 0 art_heap8 4096 10 0 9 10 9 1 2 0 8 0 art_heap4 256 2566 0 2162 54 28 26 29 0 8 0 art_table 32 2576 0 2171 4 0 4 4 0 8 0 art_node 16 661 0 579 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 3863 0 3853 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 15000 0 13533 92 0 92 92 0 8 0 ffsino 272 15000 0 13533 99 0 99 99 0 8 0 nchpl 144 28055 0 26416 63 0 63 63 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 105875 0 105875 9 8 1 2 0 8 1 percpumem 16 393 0 351 1 0 1 1 0 8 0 vcpupl 2048 166 0 2 21 0 21 21 0 8 0 vmpool 568 198 0 34 14 2 12 12 0 8 0 kstatmem 264 306 0 272 5 2 3 3 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 81132 0 81132 20 19 1 8 0 8 1 plimitpl 152 1579 0 1563 1 0 1 1 0 8 0 sigapl 424 10023 0 9956 10 2 8 9 0 8 0 futexpl 64 101979 0 101975 6 5 1 1 0 8 0 knotepl 120 1096 0 0 20 1 19 19 0 8 0 kqueuepl 216 2530 0 2522 44 41 3 5 0 8 2 pipepl 320 1772 0 1744 47 44 3 11 0 8 0 fdescpl 496 9985 0 9956 7 3 4 5 0 8 0 filepl 152 78645 0 78360 156 139 17 23 0 8 6 filepl: pool(0xffffffff82ab7cb8:filepl): page inconsistency: page 0x0; at page head addr 0xfffffd8062cb0f90 (p 0xfffffd8062cb0000) lockfpl 104 3949 0 3947 12 11 1 3 0 8 0 lockfspl 48 996 0 994 2 1 1 2 0 8 0 sessionpl 144 56 0 39 1 0 1 1 0 8 0 pgrppl 48 68 0 51 1 0 1 1 0 8 0 ucredpl 104 9040 0 9028 1 0 1 1 0 8 0 zombiepl 144 9956 0 9956 2 1 1 1 0 8 1 processpl 1072 10023 0 9956 5 0 5 5 0 8 0 procpl 672 25191 0 25103 20 11 9 10 0 8 0 srpgc 96 40 0 40 14 14 0 1 0 8 0 sosppl 168 61 0 61 11 11 0 1 0 8 0 sockpl 488 27525 0 27455 485 473 12 43 0 8 3 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 439 0 0 48 14 34 48 0 8 0 mtagpl 96 532 0 0 6 0 6 6 0 8 0 mbufpl 256 1943 0 0 100 0 100 100 0 8 0 bufpl 288 20543 0 14214 453 0 453 453 0 8 0 anonpl 24 2037200 0 2019507 303 174 129 186 0 186 2 amapchunkpl 152 191689 0 190897 91 54 37 61 0 158 0 amappl16 200 23736 0 23183 168 133 35 50 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 248 0 229 2 1 1 2 0 8 0 amappl13 176 15 0 15 3 3 0 1 0 8 0 amappl12 168 797 0 794 1 0 1 1 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 83 0 67 1 0 1 1 0 8 0 amappl9 144 1000 0 999 1 0 1 1 0 8 0 amappl8 136 513 0 388 5 0 5 5 0 8 0 amappl7 128 227 0 200 2 0 2 2 0 8 0 amappl6 120 375 0 353 2 1 1 2 0 8 0 amappl5 112 404 0 395 1 0 1 1 0 8 0 amappl4 104 919 0 882 8 6 2 2 0 8 1 amappl3 96 28490 0 28432 3 1 2 2 0 8 0 amappl2 88 10934 0 10847 4 2 2 3 0 8 0 amappl1 80 225493 0 224694 24 6 18 23 0 8 0 amappl 88 64087 0 63835 6 0 6 6 0 92 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 128 253 0 253 1 1 0 1 0 8 0 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 10183 0 9990 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10183 0 9990 2 0 2 2 0 8 0 vmmpekpl 168 71114 0 71038 4 0 4 4 0 8 0 vmmpepl 168 914655 0 911383 395 234 161 219 0 357 9 vmsppl 368 10182 0 9990 19 1 18 18 0 8 0 rwobjpl 56 244336 0 236387 127 11 116 117 0 8 0 pdppl 4096 20373 0 20144 706 472 234 234 0 8 5 pvpl 32 3933330 0 3909639 554 292 262 328 0 265 49 pmappl 248 10182 0 9990 15 2 13 13 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1831 0 734 32 0 32 32 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c014c) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82b59978,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b59770) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 kpageflttrap(ffff80002c8b3df0,0) at kpageflttrap+0x29a sys/arch/amd64/amd64/trap.c:288 kerntrap(ffff80002c8b3df0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_do_get(ffffffff82ab7cb8,9,ffff80002c8b3f98) at pool_do_get+0x2cd pool_update_curpage sys/kern/subr_pool.c:1059 [inline] pool_do_get(ffffffff82ab7cb8,9,ffff80002c8b3f98) at pool_do_get+0x2cd sys/kern/subr_pool.c:765 pool_get(ffffffff82ab7cb8,9) at pool_get+0xe9 sys/kern/subr_pool.c:582 falloc(ffff80002131a7e8,ffff80002c8b4090,ffff80002c8b409c) at falloc+0x129 fnew sys/kern/kern_descrip.c:1046 [inline] falloc(ffff80002131a7e8,ffff80002c8b4090,ffff80002c8b409c) at falloc+0x129 sys/kern/kern_descrip.c:1020 sys_socket(ffff80002131a7e8,ffff80002c8b4108,ffff80002c8b4150) at sys_socket+0x16b sys/kern/uipc_syscalls.c:106 syscall(ffff80002c8b41d0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002c8b41d0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x299af4cd940, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175 end trace frame: 0x0, count: -5