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 126395 2817 32767 0x1010 0x2000 0K syz-executor * 23742 2817 32767 0x1010 0x4080000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805b2dc478,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805b2dc468,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0cd230,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0cd230,ffff80002a0cd268,ffff80002a0cd290) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805b2dc388,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0cd3d0,20000280) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0cd3d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0cd754,5,20000280,ffff80002a0cd788,0,ffffffffffffff22,6fb59ccbc3056f8d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a09b730,ffff80002a0cd8c0,ffff80002a0cd810) at sys_sysctl+0x422 syscall(ffff80002a0cd8c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cd8c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a0cd940, 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(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805b2dc478,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805b2dc468,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0cd230,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0cd230,ffff80002a0cd268,ffff80002a0cd290) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805b2dc388,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0cd3d0,20000280) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0cd3d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0cd754,5,20000280,ffff80002a0cd788,0,ffffffffffffff22,6fb59ccbc3056f8d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a09b730,ffff80002a0cd8c0,ffff80002a0cd810) at sys_sysctl+0x422 syscall(ffff80002a0cd8c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cd8c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf13c85aed0, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0cce30 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff80002a09b730 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x78b24fa3f5cb8b1e r11 0xb31b065a3582798d r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81f62965 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0cce20 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=23742 pid=2817 tcnt=5 stat=onproc flags process=1010 proc=4080000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a09a068 scnt=4 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a09a800,0xffff80002a09b9c8 process=0xffff80002c9a9fc0 user=0xffff80002a0c8000, vmspace=0xfffffd805b2dc388 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2817 126395 47294 32767 7 0x3010 syz-executor 2817 220007 47294 32767 2 0x4081090 syz-executor 2817 284761 47294 32767 2 0x4081010 syz-executor * 2817 23742 47294 32767 7 0x4081010 syz-executor 2817 230407 47294 32767 2 0x4081010 syz-executor 78341 445990 61517 32767 2 0x490 syz-executor 78341 514467 61517 32767 3 0x4000090 kqread syz-executor 78341 118860 61517 32767 3 0x4000090 kqread syz-executor 78341 493854 61517 32767 3 0x4000090 fsleep syz-executor 51946 253123 48579 32767 2 0x10 syz-executor 48579 521797 24474 0 3 0x82 wait syz-executor 96322 46967 80371 32767 2 0x490 syz-executor 80371 442127 24474 0 3 0x82 wait syz-executor 43031 95663 343 32767 3 0x90 nanoslp syz-executor 343 292900 24474 0 3 0x82 wait syz-executor 32686 168885 57427 32767 3 0x90 wait syz-executor 57427 242537 24474 0 3 0x82 wait syz-executor 9801 495816 70221 32767 3 0x90 wait syz-executor 70221 266698 24474 0 3 0x82 wait syz-executor 82521 522348 59588 32767 2 0x10 syz-executor 59588 83106 24474 0 3 0x82 wait syz-executor 47294 262372 42260 32767 2 0x490 syz-executor 42260 239183 24474 0 3 0x82 wait syz-executor 61517 175912 9459 32767 2 0x490 syz-executor 9459 515202 24474 0 3 0x82 wait syz-executor 28283 280379 2701 0 3 0x100082 sbwait arp 2701 100754 10077 0 3 0x10008a sigsusp sh 10077 496088 1 0 3 0x80 wait syz-executor 21182 117069 0 0 3 0x14200 bored sosplice 24474 330438 71137 0 3 0x82 kqread syz-executor 71137 16050 21512 0 3 0x10008a sigsusp ksh 21512 128694 10987 0 3 0x98 kqread sshd-session 10987 92039 89025 0 3 0x92 kqread sshd-session 36893 145379 1 0 3 0x100083 ttyin getty 89025 329422 1 0 3 0x88 kqread sshd 96831 127281 45761 73 3 0x1100090 kqread syslogd 45761 276507 1 0 3 0x100082 sbwait syslogd 66876 82763 1 0 3 0x100080 kqread resolvd 95112 448120 34306 77 3 0x100092 kqread dhcpleased 37688 424529 34306 77 3 0x100092 kqread dhcpleased 34306 272229 1 0 3 0x80 kqread dhcpleased 55289 99955 0 0 3 0x14200 bored smr 72859 233564 0 0 3 0x14200 pgzero zerothread 54471 519467 0 0 3 0x14200 aiodoned aiodoned 1643 360400 0 0 3 0x14200 syncer update 74214 11955 0 0 3 0x14200 cleaner cleaner 7163 242015 0 0 3 0x14200 reaper reaper 68525 317258 0 0 3 0x14200 pgdaemon pagedaemon 42338 236943 0 0 3 0x14200 bored viomb 9421 24814 0 0 3 0x40014200 acpi0 acpi0 77515 122296 0 0 3 0x40014200 idle1 13725 214223 0 0 3 0x14200 bored softnet3 52342 49051 0 0 3 0x14200 bored softnet2 59518 449867 0 0 3 0x14200 bored softnet1 58253 94085 0 0 2 0x14200 softnet0 42878 439228 0 0 3 0x14200 bored systqmp 36905 142490 0 0 3 0x14200 bored systq 90503 4371 0 0 2 0x14200 softclockmp 81349 184951 0 0 2 0x40014200 softclock 72292 222587 0 0 3 0x40014200 idle0 1 168546 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 (0xffffffff835c33d8) #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 2817 (syz-executor) thread 0xffff80002a09bc40 (220007) exclusive rwlock vmmaplk r = 0 (0xfffffd805b2dc478) #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 2817 (syz-executor) thread 0xffff80002a09b730 (23742) exclusive rwlock netlock r = 0 (0xffffffff83498b10) #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 (0xffffffff83628a80) #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 (0xffffffff8347e0d0) #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 (0xffffffff835c33d8) #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 51946 (syz-executor) thread 0xffff8000ffff7968 (253123) exclusive rrwlock inode r = 0 (0xfffffd8077ce44e0) #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 (0xfffffd8058f8de70) #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 82521 (syz-executor) thread 0xffff80002a0a4a90 (522348) exclusive rrwlock inode r = 0 (0xfffffd805bcf00a0) #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 (0xfffffd80790c8c58) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10218 11052K 11059K 166960K 13245 0 pcb 17 28K 32K 166960K 29 0 rtable 240 6K 7K 166960K 22499 0 pf 31 16K 16K 166960K 1342 0 ifaddr 42 15K 19K 166960K 2647 0 ifgroup 50 2K 2K 166960K 2659 0 sysctl 4 1K 5K 166960K 26 0 counters 64 36K 36K 166960K 1362 0 ioctlops 0 0K 2K 166960K 1628 0 iov 0 0K 32K 166960K 3406 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 16520 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 718 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1444 0 dirhash 21 4K 4K 166960K 864 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 28 102K 169K 166960K 37812 0 sigio 1 0K 0K 166960K 1647 0 proc 58 79K 176K 166960K 21745 0 subproc 117 7K 13K 166960K 9867 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 8013 0 in_multi 99 7K 8K 166960K 8622 0 ether_multi 1 0K 0K 166960K 191 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 277 1235K 1235K 166960K 277 0 exec 0 0K 1K 166960K 16519 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 294 84K 139K 166960K 317908 0 UVM aobj 131 4K 7K 166960K 141 0 pinsyscall 49 98K 146K 166960K 56585 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 1K 166960K 2413 0 NDP 11 0K 2K 166960K 1969 0 temp 80 6825K 6952K 166960K 235389 0 kqueue 13 20K 38K 166960K 5797 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 6310 0 6305 46 44 2 4 0 8 1 rtentry 112 7566 0 7453 16 12 4 4 0 8 0 unpcb 144 35885 0 35866 155 151 4 10 0 8 3 syncache 336 711 0 711 31 30 1 1 0 8 1 tcpqe 32 295 0 295 33 32 1 1 0 8 1 tcpcb 808 24245 0 24140 253 237 16 27 0 8 1 arp 120 1335 0 1317 1 0 1 1 0 8 0 ipq 40 244 0 240 3 2 1 1 0 8 0 ipqe 40 3445 0 3441 3 2 1 1 0 8 0 inpcb 336 54019 0 53909 284 265 19 27 0 8 3 ip6q 72 4 0 4 3 3 0 1 0 8 0 ip6af 40 8 0 8 3 3 0 1 0 8 0 nd6 136 2278 0 2251 8 6 2 2 0 8 0 kcovpl 48 759 0 750 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 30614 0 30143 208 177 31 33 0 8 0 art_table 32 30615 0 30143 10 6 4 5 0 8 0 art_node 16 7565 0 7462 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 11 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1434 0 1424 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 600 0 569 19 14 5 5 0 8 1 dino2pl 256 47301 0 43460 241 0 241 241 0 8 0 ffsino 272 47301 0 43460 257 0 257 257 0 8 0 nchpl 144 86844 0 83684 118 0 118 118 0 8 0 uvmvnodes 80 10376 0 0 212 0 212 212 0 8 0 vnodes 216 10376 0 0 577 0 577 577 0 8 0 namei 1024 386664 0 386663 60 59 1 2 0 8 0 percpumem 16 695 0 649 1 0 1 1 0 8 0 kstatmem 264 1320 0 1298 3 1 2 2 0 8 0 scxspl 216 379664 0 379664 91 87 4 8 1 8 4 plimitpl 152 12787 0 12762 2 0 2 2 0 8 0 sigapl 424 36752 0 36694 19 11 8 9 0 8 0 futexpl 64 423321 0 423319 30 29 1 1 0 8 0 knotepl 120 1717 0 0 19 0 19 19 0 8 0 kqueuepl 216 12357 0 12347 116 114 2 9 0 8 1 pipepl 320 7390 0 7360 106 102 4 9 0 8 0 fdescpl 496 36733 0 36694 16 9 7 8 0 8 0 filepl 152 261937 0 261664 202 187 15 24 0 8 1 lockfpl 104 10318 0 10316 8 7 1 2 0 8 0 lockfspl 48 2926 0 2924 1 0 1 1 0 8 0 sessionpl 144 862 0 845 2 1 1 2 0 8 0 pgrppl 48 2512 0 2487 1 0 1 1 0 8 0 ucredpl 104 50085 0 50066 1 0 1 1 0 8 0 zombiepl 144 36698 0 36694 1 0 1 1 0 8 0 processpl 1160 36752 0 36694 15 9 6 6 0 8 0 procpl 648 84131 0 84066 15 7 8 8 0 8 0 srpgc 96 27 0 27 12 12 0 1 0 8 0 sosppl 168 448 0 440 9 8 1 1 0 8 0 sockpl 664 97034 0 96896 429 408 21 33 0 8 3 mcl64k 65536 71 0 0 6 0 6 6 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 206 0 0 17 2 15 17 0 8 0 mcl2k2 2112 14 0 0 1 0 1 1 0 8 0 mcl2k 2048 568 0 0 16 10 6 8 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 4549 0 0 231 0 231 231 0 8 0 bufpl 280 63136 0 52715 745 0 745 745 0 8 0 anonpl 24 4398464 0 4391272 343 267 76 97 0 185 0 amapchunkpl 152 1042289 0 1041504 322 285 37 52 0 158 0 amappl16 200 99244 0 99138 446 427 19 30 0 8 4 amappl15 192 19 0 19 13 13 0 1 0 8 0 amappl14 184 1803 0 1792 2 0 2 2 0 8 0 amappl13 176 42 0 41 7 6 1 1 0 8 0 amappl12 168 47941 0 47901 22 19 3 3 0 8 0 amappl11 160 68 0 57 1 0 1 1 0 8 0 amappl10 152 12 0 11 2 1 1 1 0 8 0 amappl9 144 147 0 146 2 1 1 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 1597 0 1584 1 0 1 1 0 8 0 amappl6 120 6636 0 6632 1 0 1 1 0 8 0 amappl5 112 2915 0 2904 1 0 1 1 0 8 0 amappl4 104 3033 0 3014 1 0 1 1 0 8 0 amappl3 96 211674 0 211528 5 0 5 5 0 8 0 amappl2 88 12110 0 12043 5 1 4 4 0 8 0 amappl1 80 208607 0 208040 42 21 21 29 0 8 0 amappl 88 309170 0 308935 8 1 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 72 140 0 10 3 0 3 3 0 8 0 uaddrrnd 24 36733 0 36694 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 36733 0 36694 1 0 1 1 0 8 0 vmmpekpl 168 309308 0 309254 8 3 5 5 0 8 0 vmmpepl 168 2265598 0 2263389 412 300 112 160 0 357 2 vmsppl 440 36732 0 36694 9 4 5 7 0 8 0 rwobjpl 56 586720 0 575164 208 36 172 174 0 8 0 pdppl 4096 73473 0 73388 1618 1527 91 121 0 8 6 pvpl 32 50196 0 0 396 0 396 396 0 265 0 pmappl 248 36732 0 36694 11 7 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 3249 0 2323 28 1 27 27 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834dbff0) 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 __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x27 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x27 sys/dev/kcov.c:235 msleep(ffff80002c9aa120,ffff80002c9aa0c8,20,ffffffff830b8398,0) at msleep+0xe5 sys/kern/kern_synch.c:221 single_thread_set(ffff80002a09a068,3) at single_thread_set+0x41e single_thread_wait sys/kern/kern_sig.c:2187 [inline] single_thread_set(ffff80002a09a068,3) at single_thread_set+0x41e sys/kern/kern_sig.c:2170 exit1(ffff80002a09a068,b,0,1) at exit1+0xa3 sys/kern/kern_exit.c:132 sys_exit(ffff80002a09a068,ffff80002a0fb960,ffff80002a0fb8b0) at sys_exit+0x1a syscall(ffff80002a0fb960) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0fb960) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7549db9cdb10, count: 5 ddb{0}> trace x86_ipi_db(ffffffff834dbff0) 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 __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x27 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x27 sys/dev/kcov.c:235 msleep(ffff80002c9aa120,ffff80002c9aa0c8,20,ffffffff830b8398,0) at msleep+0xe5 sys/kern/kern_synch.c:221 single_thread_set(ffff80002a09a068,3) at single_thread_set+0x41e single_thread_wait sys/kern/kern_sig.c:2187 [inline] single_thread_set(ffff80002a09a068,3) at single_thread_set+0x41e sys/kern/kern_sig.c:2170 exit1(ffff80002a09a068,b,0,1) at exit1+0xa3 sys/kern/kern_exit.c:132 sys_exit(ffff80002a09a068,ffff80002a0fb960,ffff80002a0fb8b0) at sys_exit+0x1a syscall(ffff80002a0fb960) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0fb960) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7549db9cdb10, count: -10 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(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805b2dc478,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805b2dc468,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0cd230,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0cd230,ffff80002a0cd268,ffff80002a0cd290) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805b2dc388,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0cd3d0,20000280) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0cd3d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0cd754,5,20000280,ffff80002a0cd788,0,ffffffffffffff22,6fb59ccbc3056f8d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a09b730,ffff80002a0cd8c0,ffff80002a0cd810) at sys_sysctl+0x422 syscall(ffff80002a0cd8c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cd8c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a0cd940, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805b2dc478,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805b2dc468,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0cd230,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0cd230,ffff80002a0cd268,ffff80002a0cd290) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805b2dc388,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0cd3d0,20000280) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0cd3d0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0cd754,5,20000280,ffff80002a0cd788,0,ffffffffffffff22,6fb59ccbc3056f8d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a09b730,ffff80002a0cd8c0,ffff80002a0cd810) at sys_sysctl+0x422 syscall(ffff80002a0cd8c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cd8c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf13c85aed0, count: -15