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 * 64178 68858 32767 0x10 0x4000000 1 syz-executor 292716 68858 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307695d) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8066687eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8066687ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371af730,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371af730,ffff8000371af768,ffff8000371af790) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8066687dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371af8d0,20000218) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371af8d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371afc54,5,20000100,ffff8000371afc88,0,37,1eaabdf453b3fa14) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371ce028,ffff8000371afdc0,ffff8000371afd10) at sys_sysctl+0x422 syscall(ffff8000371afdc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371afdc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff8000371afe40, 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(ffffffff8307695d) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8066687eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8066687ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371af730,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371af730,ffff8000371af768,ffff8000371af790) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8066687dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371af8d0,20000218) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371af8d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371afc54,5,20000100,ffff8000371afc88,0,37,1eaabdf453b3fa14) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371ce028,ffff8000371afdc0,ffff8000371afd10) at sys_sysctl+0x422 syscall(ffff8000371afdc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371afdc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x32144d6790, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371af330 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff8000371ce028 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf83cdd8379a33fe2 r11 0x77321f76cd14166d r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82c37115 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371af320 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=64178 pid=68858 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002bb17c78,0xffff8000371ce2c0 process=0xffff8000371d3680 user=0xffff8000371aa000, vmspace=0xfffffd8066687dc8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 68858 393995 96257 32767 2 0x10 syz-executor *68858 64178 96257 32767 7 0x4000010 syz-executor 68858 292716 96257 32767 7 0x4000010 syz-executor 59052 157600 48318 32767 2 0x10 syz-executor 59052 29387 48318 32767 3 0x4000090 fsleep syz-executor 59052 397746 48318 32767 3 0x4000010 biowait syz-executor 74826 314546 63563 32767 3 0x90 nanoslp syz-executor 74826 81111 63563 32767 3 0x4000090 netacc syz-executor 74826 474354 63563 32767 3 0x4000090 fsleep syz-executor 90364 105745 84244 32767 3 0x90 nanoslp syz-executor 90364 188201 84244 32767 3 0x4000090 kqread syz-executor 90364 153311 84244 32767 3 0x4000090 fsleep syz-executor 31593 303428 17715 32767 3 0x90 nanoslp syz-executor 31593 24582 17715 32767 3 0x4000090 fsleep syz-executor 31593 348514 17715 32767 3 0x4000090 ttyin syz-executor 31593 279147 17715 32767 3 0x4000090 fsleep syz-executor 14005 453842 73575 32767 3 0x4000090 nanoslp syz-executor 14005 7541 73575 32767 3 0x4000090 nanoslp syz-executor 14005 159104 73575 32767 3 0x4000090 fsleep syz-executor 73343 468541 69360 32767 3 0x90 nanoslp syz-executor 73343 68525 69360 32767 3 0x4000090 kqpoll syz-executor 73343 138336 69360 32767 3 0x4000090 fsleep syz-executor 69360 229594 42152 32767 3 0x90 nanoslp syz-executor 42152 306495 21759 0 3 0x82 wait syz-executor 17715 394016 25349 32767 3 0x90 nanoslp syz-executor 25349 138696 21759 0 3 0x82 wait syz-executor 73575 441503 85001 32767 3 0x90 nanoslp syz-executor 85001 326013 21759 0 3 0x82 wait syz-executor 84244 42697 69383 32767 3 0x90 nanoslp syz-executor 69383 282947 21759 0 3 0x82 wait syz-executor 48318 107873 76202 32767 3 0x90 nanoslp syz-executor 76202 300739 21759 0 3 0x82 wait syz-executor 96257 422004 27715 32767 3 0x90 nanoslp syz-executor 27715 412161 21759 0 3 0x82 wait syz-executor 63563 204218 87245 32767 3 0x90 nanoslp syz-executor 87245 499712 21759 0 3 0x82 wait syz-executor 758 505022 60366 32767 3 0x90 wait syz-executor 60366 232075 21759 0 3 0x82 wait syz-executor 95821 23339 45775 32767 3 0x4003810 suspend syz-executor 95821 278431 45775 32767 4 0x4081810 syz-executor 45775 305395 1 32767 3 0x90 wait syz-executor 84674 455929 0 0 3 0x14200 bored sosplice 21759 238441 88818 0 3 0x82 kqread syz-executor 88818 512889 55279 0 3 0x10008a sigsusp ksh 55279 274388 92004 0 3 0x98 kqread sshd-session 92004 442857 84731 0 3 0x92 kqread sshd-session 89977 141122 1 0 3 0x100083 ttyin getty 84731 205211 1 0 3 0x88 kqread sshd 52721 262680 61047 73 3 0x1100090 kqread syslogd 61047 297935 1 0 3 0x100082 sbwait syslogd 12082 253271 1 0 3 0x100080 kqread resolvd 93009 306626 95090 77 3 0x100092 kqread dhcpleased 21608 428983 95090 77 3 0x100092 kqread dhcpleased 95090 349007 1 0 3 0x80 kqread dhcpleased 44583 414960 0 0 3 0x14200 bored smr 54654 206581 0 0 2 0x14200 zerothread 61489 495081 0 0 3 0x14200 aiodoned aiodoned 84319 155425 0 0 3 0x14200 syncer update 89146 69890 0 0 3 0x14200 cleaner cleaner 84052 508274 0 0 3 0x14200 reaper reaper 53766 396384 0 0 3 0x14200 pgdaemon pagedaemon 49975 356278 0 0 3 0x14200 bored viomb 97043 190766 0 0 3 0x40014200 acpi0 acpi0 14869 500457 0 0 3 0x40014200 idle1 52122 356400 0 0 3 0x14200 bored softnet3 89035 211232 0 0 3 0x14200 bored softnet2 71012 68205 0 0 3 0x14200 bored softnet1 22268 14449 0 0 3 0x14200 bored softnet0 31392 146505 0 0 3 0x14200 bored systqmp 59914 480554 0 0 3 0x14200 bored systq 38141 260836 0 0 3 0x14200 tmoslp softclockmp 87225 291163 0 0 3 0x40014200 tmoslp softclock 92857 207712 0 0 3 0x40014200 idle0 1 410093 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 (0xffffffff83566680) #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 68858 (syz-executor) thread 0xffff8000371ce028 (64178) exclusive rwlock netlock r = 0 (0xffffffff834a6d40) #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 (0xffffffff835105f0) #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 (0xffffffff83466850) #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 (0xffffffff83566680) #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 68858 (syz-executor) thread 0xffff80002a104578 (292716) exclusive rwlock vmmaplk r = 0 (0xfffffd8066687eb8) #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 59052 (syz-executor) thread 0xffff8000371ce2b0 (397746) exclusive rrwlock inode r = 0 (0xfffffd807c8891a8) #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_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 #8 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #9 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #10 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #11 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064014d68) #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 dosymlinkat+0xee sys/kern/vfs_syscalls.c:1792 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 14125K 14131K 166960K 14089 0 pcb 17 28K 32K 166960K 29 0 rtable 240 6K 7K 166960K 35086 0 pf 31 16K 16K 166960K 1901 0 ifaddr 42 15K 19K 166960K 3762 0 ifgroup 50 2K 2K 166960K 3776 0 sysctl 4 1K 5K 166960K 51 0 counters 64 36K 36K 166960K 1920 0 ioctlops 0 0K 2K 166960K 2725 0 iov 0 0K 34K 166960K 7101 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1458 92K 92K 166960K 28869 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1515 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 3584 0 dirhash 27 5K 5K 166960K 2019 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 29 106K 169K 166960K 78892 0 sigio 1 0K 0K 166960K 2767 0 proc 61 91K 176K 166960K 34108 0 subproc 117 7K 12K 166960K 13286 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 21350 0 in_multi 99 7K 8K 166960K 13904 0 ether_multi 1 0K 0K 166960K 652 0 mrt 1 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 289 1288K 1288K 166960K 289 0 exec 0 0K 1K 166960K 27170 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 312 89K 132K 166960K 696340 0 UVM aobj 131 4K 6K 166960K 144 0 pinsyscall 49 98K 132K 166960K 106054 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 6460 0 NDP 11 0K 2K 166960K 2806 0 temp 81 6825K 6954K 166960K 458456 0 kqueue 16 24K 38K 166960K 13660 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 11867 0 11864 76 75 1 3 0 8 0 rtentry 112 11232 0 11119 15 11 4 4 0 8 0 unpcb 144 85028 0 85008 339 336 3 11 0 8 2 syncache 336 1411 0 1411 30 29 1 1 0 8 1 tcpqe 32 709 0 709 58 57 1 1 0 8 1 tcpcb 808 56391 0 56276 296 274 22 26 0 8 3 arp 120 1926 0 1908 1 0 1 1 0 8 0 ipq 40 574 0 569 5 4 1 1 0 8 0 ipqe 40 11145 0 11140 5 4 1 1 0 8 0 inpcb 336 126446 0 126328 377 358 19 27 0 8 1 ip6q 72 71 0 71 34 34 0 1 0 8 0 ip6af 40 142 0 142 34 34 0 1 0 8 0 nd6 136 3680 0 3653 14 13 1 2 0 8 0 kcovpl 48 1022 0 1013 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 45643 0 45172 224 193 31 36 0 8 1 art_table 32 45644 0 45172 15 11 4 5 0 8 0 art_node 16 11231 0 11128 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 20 7 6 1 1 0 8 0 semapl 112 3573 0 3563 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 1383 0 1343 20 14 6 6 0 8 1 dino2pl 256 108737 0 103480 329 0 329 329 0 8 0 ffsino 272 108737 0 103480 352 1 351 351 0 8 0 nchpl 144 201216 0 197999 120 0 120 120 0 8 0 uvmvnodes 80 11878 0 0 243 0 243 243 0 8 0 vnodes 216 11878 0 0 660 0 660 660 0 8 0 namei 1024 846362 0 846360 54 53 1 2 0 8 0 percpumem 16 974 0 928 1 0 1 1 0 8 0 kstatmem 264 1878 0 1856 2 0 2 2 0 8 0 scxspl 216 717899 0 717898 173 170 3 8 1 8 2 plimitpl 152 29014 0 28986 3 1 2 2 0 8 0 sigapl 424 77545 0 77486 22 14 8 9 0 8 0 futexpl 64 1008876 0 1008869 26 25 1 1 0 8 0 knotepl 120 2692 0 0 27 1 26 26 0 8 0 kqueuepl 216 29297 0 29285 235 232 3 8 0 8 2 pipepl 320 16137 0 16106 233 229 4 13 0 8 1 fdescpl 496 77526 0 77486 23 17 6 8 0 8 0 filepl 152 605504 0 605224 350 335 15 24 0 8 2 lockfpl 104 24800 0 24797 17 16 1 2 0 8 0 lockfspl 48 6512 0 6509 1 0 1 1 0 8 0 sessionpl 144 1370 0 1353 1 0 1 1 0 8 0 pgrppl 48 4166 0 4141 1 0 1 1 0 8 0 ucredpl 104 122406 0 122386 1 0 1 1 0 8 0 zombiepl 144 77487 0 77486 1 0 1 1 0 8 0 processpl 1160 77545 0 77486 10 5 5 6 0 8 0 procpl 648 189231 0 189156 22 15 7 8 0 8 0 srpgc 96 25 0 25 13 13 0 1 0 8 0 sosppl 168 1046 0 1033 12 11 1 1 0 8 0 sockpl 664 225256 0 225114 605 582 23 33 0 8 0 mcl64k 65536 119 0 0 7 4 3 4 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 41 0 0 6 1 5 6 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 1207 0 0 34 11 23 32 0 8 0 mtagpl 96 35 0 0 1 0 1 1 0 8 0 mbufpl 256 4194 0 0 168 0 168 168 0 8 0 bufpl 280 134319 0 122440 851 2 849 849 0 8 0 anonpl 24 9311644 0 9300470 795 700 95 142 0 185 1 amapchunkpl 152 2285462 0 2284536 653 602 51 56 0 158 12 amappl16 200 230965 0 230703 1043 1016 27 52 0 8 8 amappl15 192 58 0 58 21 20 1 1 0 8 1 amappl14 184 2858 0 2848 1 0 1 1 0 8 0 amappl13 176 143 0 143 74 74 0 1 0 8 0 amappl12 168 93377 0 93336 12 9 3 3 0 8 0 amappl11 160 109 0 98 1 0 1 1 0 8 0 amappl10 152 10 0 9 2 1 1 1 0 8 0 amappl9 144 127 0 126 2 1 1 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 2487 0 2475 1 0 1 1 0 8 0 amappl6 120 9498 0 9495 1 0 1 1 0 8 0 amappl5 112 4272 0 4262 1 0 1 1 0 8 0 amappl4 104 4816 0 4797 1 0 1 1 0 8 0 amappl3 96 475026 0 474870 9 4 5 5 0 8 0 amappl2 88 18852 0 18785 5 2 3 3 0 8 0 amappl1 80 407208 0 406660 54 38 16 27 0 8 1 amappl 88 681385 0 681129 13 6 7 7 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 72 143 0 13 3 0 3 3 0 8 0 uaddrrnd 24 77526 0 77486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 77526 0 77486 1 0 1 1 0 8 0 vmmpekpl 168 630354 0 630267 7 2 5 6 0 8 0 vmmpepl 168 4857191 0 4854754 671 553 118 159 0 357 0 vmsppl 440 77525 0 77486 11 6 5 7 0 8 0 rwobjpl 56 1217318 0 1204129 273 83 190 191 0 8 0 pdppl 4096 155059 0 154972 2091 2000 91 119 0 8 4 pvpl 32 49747 0 0 396 0 396 396 0 265 0 pmappl 248 77525 0 77486 7 4 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3997 0 2940 32 1 31 31 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834d7ff0) 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(ffffffff835103e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835103e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002e1b5060,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x10 sys/dev/kcov.c:154 sysctl_vslock(200025c0,0) at sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 sys_sysctl(ffff80002a104578,ffff80002e1b5340,ffff80002e1b5290) at sys_sysctl+0x395 sys/kern/kern_sysctl.c:287 syscall(ffff80002e1b5340) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002e1b5340) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x320072a450, count: 4 ddb{0}> trace x86_ipi_db(ffffffff834d7ff0) 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(ffffffff835103e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835103e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002e1b5060,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x10 sys/dev/kcov.c:154 sysctl_vslock(200025c0,0) at sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 sys_sysctl(ffff80002a104578,ffff80002e1b5340,ffff80002e1b5290) at sys_sysctl+0x395 sys/kern/kern_sysctl.c:287 syscall(ffff80002e1b5340) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002e1b5340) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x320072a450, count: -11 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(ffffffff8307695d) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8066687eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8066687ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371af730,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371af730,ffff8000371af768,ffff8000371af790) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8066687dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371af8d0,20000218) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371af8d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371afc54,5,20000100,ffff8000371afc88,0,37,1eaabdf453b3fa14) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371ce028,ffff8000371afdc0,ffff8000371afd10) at sys_sysctl+0x422 syscall(ffff8000371afdc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371afdc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff8000371afe40, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307695d) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8066687eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8066687ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371af730,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371af730,ffff8000371af768,ffff8000371af790) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8066687dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371af8d0,20000218) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371af8d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371afc54,5,20000100,ffff8000371afc88,0,37,1eaabdf453b3fa14) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371ce028,ffff8000371afdc0,ffff8000371afd10) at sys_sysctl+0x422 syscall(ffff8000371afdc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371afdc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x32144d6790, count: -15