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 *116461 64472 32767 0x10 0x4000000 0 syz-executor 169814 848 32767 0x10 0 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306fd98) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805f8347d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805f8347c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a70c650,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a70c650,ffff80002a70c688,ffff80002a70c6b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805f8346e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a70c7f0,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a70c7f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a70cb74,5,20000100,ffff80002a70cba8,0,37,d0cc07e7c41a23c1) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff6cc0,ffff80002a70cce0,ffff80002a70cc30) at sys_sysctl+0x422 syscall(ffff80002a70cce0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a70cce0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a70cd60, 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{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 (rwlock) vmmaplk ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306fd98) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805f8347d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805f8347c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a70c650,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a70c650,ffff80002a70c688,ffff80002a70c6b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805f8346e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a70c7f0,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a70c7f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a70cb74,5,20000100,ffff80002a70cba8,0,37,d0cc07e7c41a23c1) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff6cc0,ffff80002a70cce0,ffff80002a70cc30) at sys_sysctl+0x422 syscall(ffff80002a70cce0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a70cce0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x44d19ab9480, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a70c250 rbx 0xffffffff8345bdcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000ffff6cc0 rax 0xffffffff8345aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4f604418f91e19a0 r11 0x8e8e45d5dc708709 r12 0xffffffff8345bbd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff8288e025 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a70c240 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=116461 pid=64472 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6018,0xffffffff83504fd0 process=0xffff8000371d3680 user=0xffff80002a707000, vmspace=0xfffffd805f8346e0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64472 18323 17901 32767 2 0x10 syz-executor 64472 5630 17901 32767 3 0x4000090 fsleep syz-executor *64472 116461 17901 32767 7 0x4000010 syz-executor 61831 510559 36570 32767 3 0x90 nanoslp syz-executor 61831 509567 36570 32767 3 0x4000090 kqread syz-executor 61831 126802 36570 32767 3 0x4000090 fsleep syz-executor 99717 110760 42044 32767 3 0x10 biowait syz-executor 848 169814 95600 32767 7 0x10 syz-executor 48086 469523 63324 32767 2 0x10 syz-executor 17901 20915 16123 32767 3 0x90 nanoslp syz-executor 18538 362277 14844 32767 3 0x90 nanoslp syz-executor 32116 76294 1672 32767 3 0x10 biowait syz-executor 36570 120853 35112 32767 3 0x90 nanoslp syz-executor 1672 398214 86462 0 3 0x82 wait syz-executor 63324 266879 86462 0 3 0x82 wait syz-executor 14844 165038 86462 0 3 0x82 wait syz-executor 42044 496375 86462 0 3 0x82 wait syz-executor 16123 495979 86462 0 3 0x82 wait syz-executor 59312 423356 86462 0 3 0x82 wait syz-executor 95600 412435 86462 0 3 0x82 wait syz-executor 35112 50204 86462 0 3 0x82 wait syz-executor 67879 264130 91652 0 3 0x100082 sbwait ndp 91652 64540 10389 0 3 0x10008a sigsusp sh 10389 284046 1 0 3 0x80 wait syz-executor 78930 353832 0 0 3 0x14200 bored sosplice 86462 65162 46383 0 2 0x2 syz-executor 46383 489216 61356 0 3 0x10008a sigsusp ksh 61356 411222 89114 0 3 0x98 kqread sshd-session 89114 329750 25630 0 3 0x92 kqread sshd-session 47982 503174 1 0 3 0x100083 ttyin getty 25630 242407 1 0 3 0x88 kqread sshd 39516 161618 32402 73 3 0x1100010 ffs_fsync syslogd 32402 474556 1 0 3 0x100082 sbwait syslogd 28953 351797 1 0 3 0x100080 kqread resolvd 68657 422864 1762 77 3 0x100092 kqread dhcpleased 69176 141368 1762 77 3 0x100092 kqread dhcpleased 1762 393223 1 0 3 0x80 kqread dhcpleased 58895 455330 0 0 3 0x14200 bored smr 8262 512892 0 0 2 0x14200 zerothread 66357 346574 0 0 3 0x14200 aiodoned aiodoned 83212 500839 0 0 3 0x14200 syncer update 34271 473280 0 0 3 0x14200 cleaner cleaner 92377 437522 0 0 3 0x14200 reaper reaper 16608 71543 0 0 3 0x14200 pgdaemon pagedaemon 39699 410778 0 0 3 0x14200 bored viomb 20347 30886 0 0 3 0x40014200 acpi0 acpi0 71993 372270 0 0 3 0x40014200 idle1 23234 505709 0 0 3 0x14200 bored softnet3 92188 240971 0 0 3 0x14200 bored softnet2 36518 380482 0 0 3 0x14200 bored softnet1 10180 267631 0 0 3 0x14200 bored softnet0 45314 205912 0 0 3 0x14200 bored systqmp 20034 481935 0 0 3 0x14200 bored systq 50968 162405 0 0 3 0x14200 tmoslp softclockmp 26706 487484 0 0 3 0x40014200 tmoslp softclock 91711 382148 0 0 3 0x40014200 idle0 1 313769 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff8362b050) #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 64472 (syz-executor) thread 0xffff8000ffff6018 (5630) exclusive rwlock vmmaplk r = 0 (0xfffffd805f8347d0) #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 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059 #4 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #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 Process 64472 (syz-executor) thread 0xffff8000ffff6cc0 (116461) exclusive rwlock netlock r = 0 (0xffffffff8345f320) #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 (0xffffffff834f95d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 #2 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #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 rwlock sysctllk r = 0 (0xffffffff8346c980) #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 (0xffffffff8362b050) #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 99717 (syz-executor) thread 0xffff8000341c9498 (110760) exclusive rrwlock inode r = 0 (0xfffffd80565ba1a8) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd804c17d0a8) #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 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 32116 (syz-executor) thread 0xffff8000341d39c8 (76294) exclusive rrwlock inode r = 0 (0xfffffd8066d99918) #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805f7a4d68) #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 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 39516 (syslogd) thread 0xffff8000ffffd6d8 (161618) exclusive rrwlock inode r = 0 (0xfffffd806df6eb40) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10215 14121K 14131K 166960K 12183 0 pcb 17 12K 12K 166960K 17 0 rtable 214 6K 7K 166960K 9484 0 pf 29 16K 16K 166960K 634 0 ifaddr 38 10K 11K 166960K 1225 0 ifgroup 46 2K 2K 166960K 1243 0 sysctl 4 1K 3K 166960K 6 0 counters 62 36K 36K 166960K 654 0 ioctlops 0 0K 2K 166960K 398 0 iov 0 0K 18K 166960K 377 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 7619 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 73 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 282 0 dirhash 15 2K 3K 166960K 90 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 24 89K 165K 166960K 8347 0 sigio 0 0K 0K 166960K 172 0 proc 59 91K 176K 166960K 8972 0 subproc 117 7K 13K 166960K 5629 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 786 0 in_multi 88 6K 7K 166960K 3478 0 ether_multi 1 0K 0K 166960K 27 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 5064 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 238 81K 138K 166960K 58277 0 UVM aobj 96 7K 7K 166960K 104 0 pinsyscall 46 92K 132K 166960K 17274 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 293 0 NDP 14 0K 2K 166960K 904 0 temp 79 6825K 6952K 166960K 60954 0 kqueue 14 22K 33K 166960K 712 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 1179 0 1175 9 8 1 3 0 8 0 rtentry 112 3361 0 3261 10 6 4 4 0 8 1 unpcb 144 3744 0 3726 41 40 1 6 0 8 0 syncache 336 85 0 85 29 28 1 1 0 8 1 tcpqe 32 35 0 35 18 18 0 1 0 8 0 tcpcb 808 2852 0 2846 80 76 4 14 0 8 2 arp 120 608 0 592 1 0 1 1 0 8 0 ipq 40 14 0 13 5 4 1 1 0 8 0 ipqe 40 253 0 252 5 4 1 1 0 8 0 inpcb 336 7154 0 7145 100 98 2 13 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 136 932 0 910 2 1 1 2 0 8 0 kcovpl 48 433 0 424 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 13614 0 13194 153 125 28 30 0 8 1 art_table 32 13615 0 13194 6 2 4 4 0 8 0 art_node 16 3360 0 3269 1 0 1 1 0 8 0 sysvmsgpl 40 52 0 47 3 2 1 1 0 8 0 semapl 112 278 0 268 1 0 1 1 0 8 0 shmpl 112 101 0 8 3 0 3 3 0 8 0 dirhash 1024 76 0 53 4 0 4 4 0 8 0 dino2pl 256 7376 0 5061 148 2 146 146 0 8 0 ffsino 272 7376 0 5061 157 2 155 155 0 8 0 nchpl 144 12111 0 9844 86 1 85 85 0 8 0 uvmvnodes 80 9357 0 0 191 0 191 191 0 8 0 vnodes 216 9357 0 0 520 0 520 520 0 8 0 namei 1024 74585 0 74584 51 49 2 3 0 8 1 percpumem 16 341 0 296 1 0 1 1 0 8 0 kstatmem 264 612 0 592 2 0 2 2 0 8 0 scxspl 216 170337 0 170334 35 33 2 8 1 8 1 plimitpl 152 2124 0 2099 2 0 2 2 0 8 0 sigapl 424 7839 0 7784 16 7 9 9 0 8 0 futexpl 64 48261 0 48259 29 28 1 1 0 8 0 knotepl 120 876 0 0 17 0 17 17 0 8 0 kqueuepl 216 1274 0 1264 16 15 1 5 0 8 0 pipepl 320 2049 0 2019 20 15 5 8 0 8 0 fdescpl 496 7820 0 7784 19 12 7 7 0 8 0 filepl 152 41995 0 41737 59 45 14 20 0 8 0 lockfpl 104 1061 0 1059 1 0 1 1 0 8 0 lockfspl 48 319 0 317 1 0 1 1 0 8 0 sessionpl 144 383 0 366 1 0 1 1 0 8 0 pgrppl 48 869 0 844 1 0 1 1 0 8 0 ucredpl 104 6609 0 6590 1 0 1 1 0 8 0 zombiepl 144 7786 0 7784 1 0 1 1 0 8 0 processpl 1160 7839 0 7784 16 10 6 6 0 8 0 procpl 648 13271 0 13212 16 9 7 7 0 8 1 srpgc 96 20 0 20 9 8 1 1 0 8 1 sosppl 168 41 0 41 18 17 1 1 0 8 1 sockpl 664 12202 0 12171 134 129 5 20 0 8 0 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 13 0 0 2 0 2 2 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 472 0 0 30 10 20 30 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1251 0 0 77 1 76 77 0 8 0 bufpl 280 14941 0 5583 669 0 669 669 0 8 0 anonpl 24 1056138 0 1052375 259 194 65 105 0 185 4 amapchunkpl 152 189116 0 188604 108 69 39 49 0 158 13 amappl16 200 14822 0 14810 233 211 22 27 0 8 17 amappl15 192 31 0 31 4 4 0 1 0 8 0 amappl14 184 827 0 816 1 0 1 1 0 8 0 amappl13 176 17 0 17 3 3 0 1 0 8 0 amappl12 168 13277 0 13239 8 5 3 3 0 8 0 amappl11 160 55 0 45 1 0 1 1 0 8 0 amappl10 152 28 0 28 1 1 0 1 0 8 0 amappl9 144 177 0 177 1 1 0 1 0 8 0 amappl8 136 56 0 54 1 0 1 1 0 8 0 amappl7 128 753 0 741 1 0 1 1 0 8 0 amappl6 120 3085 0 3082 1 0 1 1 0 8 0 amappl5 112 1394 0 1383 1 0 1 1 0 8 0 amappl4 104 1432 0 1417 1 0 1 1 0 8 0 amappl3 96 34587 0 34474 5 1 4 4 0 8 0 amappl2 88 5549 0 5482 2 0 2 2 0 8 0 amappl1 80 66907 0 66337 26 10 16 16 0 8 0 amappl 88 55179 0 54999 10 4 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 72 103 0 8 2 0 2 2 0 8 0 uaddrrnd 24 7820 0 7784 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7820 0 7784 1 0 1 1 0 8 0 vmmpekpl 168 72936 0 72851 9 4 5 5 0 8 0 vmmpepl 168 497742 0 495839 258 145 113 113 0 357 12 vmsppl 440 7819 0 7784 10 3 7 7 0 8 1 rwobjpl 56 147843 0 137510 165 12 153 153 0 8 1 pdppl 4096 15647 0 15568 997 906 91 117 0 8 12 pvpl 32 50381 0 0 400 1 399 399 0 265 0 pmappl 248 7819 0 7784 15 11 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1837 0 1299 17 0 17 17 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:437 panic(ffffffff8306fd98) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805f8347d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805f8347c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a70c650,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a70c650,ffff80002a70c688,ffff80002a70c6b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805f8346e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a70c7f0,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a70c7f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a70cb74,5,20000100,ffff80002a70cba8,0,37,d0cc07e7c41a23c1) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff6cc0,ffff80002a70cce0,ffff80002a70cc30) at sys_sysctl+0x422 syscall(ffff80002a70cce0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a70cce0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x44d19ab9480, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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 tsleep(fffffd807e8286c0,1952c0,4000,0) at tsleep+0x24f sys/kern/kern_synch.c:155 bread(fffffd807e8286c0,1952c0,4000,ffff800032f7c528) at bread+0x47 bio_doread sys/kern/vfs_bio.c:430 [inline] bread(fffffd807e8286c0,1952c0,4000,ffff800032f7c528) at bread+0x47 sys/kern/vfs_bio.c:475 ffs_update(fffffd80565babb0,0) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff800032f7c5e8) at ufs_inactive+0x2e2 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd80519ca7f0,ffff8000ffff71d0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd80519ca7f0) at vput+0xe5 sys/kern/vfs_subr.c:779 vn_closefile(fffffd80676bdac8,ffff8000ffff71d0) at vn_closefile+0x13f sys/kern/vfs_vnops.c:610 fdrop(fffffd80676bdac8,ffff8000ffff71d0) at fdrop+0x126 sys/kern/kern_descrip.c:1274 closef(fffffd80676bdac8,ffff8000ffff71d0) at closef+0x192 sys/kern/kern_descrip.c:1258 syscall(ffff800032f7c860) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032f7c860) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cb35137dd90, count: 1 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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 tsleep(fffffd807e8286c0,1952c0,4000,0) at tsleep+0x24f sys/kern/kern_synch.c:155 bread(fffffd807e8286c0,1952c0,4000,ffff800032f7c528) at bread+0x47 bio_doread sys/kern/vfs_bio.c:430 [inline] bread(fffffd807e8286c0,1952c0,4000,ffff800032f7c528) at bread+0x47 sys/kern/vfs_bio.c:475 ffs_update(fffffd80565babb0,0) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff800032f7c5e8) at ufs_inactive+0x2e2 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd80519ca7f0,ffff8000ffff71d0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd80519ca7f0) at vput+0xe5 sys/kern/vfs_subr.c:779 vn_closefile(fffffd80676bdac8,ffff8000ffff71d0) at vn_closefile+0x13f sys/kern/vfs_vnops.c:610 fdrop(fffffd80676bdac8,ffff8000ffff71d0) at fdrop+0x126 sys/kern/kern_descrip.c:1274 closef(fffffd80676bdac8,ffff8000ffff71d0) at closef+0x192 sys/kern/kern_descrip.c:1258 syscall(ffff800032f7c860) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032f7c860) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cb35137dd90, count: -14