load: 4.47 cmd: panic: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_lock.c", line 63 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *433883 83955 0 0x1800 0x4080080 0 syz-executor.0 242764 52815 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825a0599) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff82615d07,ffffffff825891d5,3f,ffffffff8264bc7b) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000212ec550,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000212ec550,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff80002e4743a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff80002e4743a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000212ec550,ffffffff829990c0,120,ffffffff82599d73,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(4b0d83e4790,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000212ec550,ffff80002e474530,ffff80002e474590) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff80002e474600) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e474600) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b154d9f050, count: 3 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: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_lock.c", line 63 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825a0599) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff82615d07,ffffffff825891d5,3f,ffffffff8264bc7b) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000212ec550,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000212ec550,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff80002e4743a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff80002e4743a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000212ec550,ffffffff829990c0,120,ffffffff82599d73,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(4b0d83e4790,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000212ec550,ffff80002e474530,ffff80002e474590) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff80002e474600) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e474600) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b154d9f050, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e474160 rbx 0xffffffff8297fbb7 cpu_info_full_primary+0x2bb7 rdx 0 rcx 0 rax 0xffff8000212ec550 r8 0x101010101010101 r9 0x8080808080808080 r10 0x90685a21f6d1c778 r11 0xc38d5be04bce77e5 r12 0xffffffff8297f9b8 cpu_info_full_primary+0x29b8 r13 0 r14 0 r15 0x1 rip 0xffffffff816ef6f8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e474150 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=433883 stat=onproc flags process=1800 proc=4080080 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000212ed270,0xffffffff82a88160 process=0xffff80002e4c7628 user=0xffff80002e46f000, vmspace=0xfffffd806c640740 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25339 342597 12410 0 2 0 syz-executor.6 82226 333441 29957 0 2 0 syz-executor.2 52451 237961 33133 0 2 0 syz-executor.1 52451 283837 33133 0 3 0x4000080 fsleep syz-executor.1 83955 227797 36576 0 2 0x3800 syz-executor.0 *83955 433883 36576 0 7 0x4081880 syz-executor.0 73671 61327 53752 0 2 0 syz-executor.4 73671 159624 53752 0 2 0x4000000 syz-executor.4 77372 212782 32950 0 2 0 syz-executor.5 77372 510631 32950 0 3 0x4000080 netio syz-executor.5 12410 296008 40023 0 3 0x82 nanoslp syz-executor.6 14885 351242 1 0 3 0x100083 ttyin getty 56693 377695 0 0 3 0x14280 nfsidl nfsio 68510 289093 0 0 3 0x14280 nfsidl nfsio 92616 384909 0 0 3 0x14280 nfsidl nfsio 46938 222082 0 0 3 0x14280 nfsidl nfsio 48625 168755 0 0 3 0x14280 nfsidl nfsio 7519 154240 0 0 3 0x14280 nfsidl nfsio 42910 24649 0 0 3 0x14280 nfsidl nfsio 24103 162123 0 0 3 0x14280 nfsidl nfsio 82352 302012 0 0 3 0x14280 nfsidl nfsio 14127 180226 0 0 3 0x14280 nfsidl nfsio 14708 266411 0 0 3 0x14280 nfsidl nfsio 1626 257510 0 0 3 0x14280 nfsidl nfsio 10253 524282 0 0 3 0x14280 nfsidl nfsio 53445 276787 0 0 3 0x14280 nfsidl nfsio 82896 278694 0 0 3 0x14280 nfsidl nfsio 954 321980 0 0 3 0x14280 nfsidl nfsio 47677 489839 0 0 3 0x14280 nfsidl nfsio 97836 134145 0 0 3 0x14280 nfsidl nfsio 32574 282122 0 0 3 0x14280 nfsidl nfsio 84278 113643 0 0 3 0x14280 nfsidl nfsio 71749 388212 40023 0 3 0x82 nanoslp syz-executor.7 35638 11507 0 0 3 0x14200 bored sosplice 32950 124799 40023 0 3 0x82 nanoslp syz-executor.5 28087 38007 40023 0 3 0x82 nanoslp syz-executor.3 53752 120667 40023 0 3 0x82 nanoslp syz-executor.4 29957 161996 40023 0 3 0x82 nanoslp syz-executor.2 33133 332889 40023 0 3 0x82 nanoslp syz-executor.1 36576 199192 40023 0 3 0x82 nanoslp syz-executor.0 40023 253604 42726 0 3 0x82 thrsleep syz-fuzzer 40023 320833 42726 0 3 0x4000082 thrsleep syz-fuzzer 40023 441937 42726 0 3 0x4000082 thrsleep syz-fuzzer 40023 515633 42726 0 3 0x4000082 kqread syz-fuzzer 40023 496534 42726 0 3 0x4000082 thrsleep syz-fuzzer 40023 84308 42726 0 3 0x4000082 thrsleep syz-fuzzer 40023 285247 42726 0 3 0x4000082 thrsleep syz-fuzzer 40023 310931 42726 0 3 0x4000082 thrsleep syz-fuzzer 42726 105120 8804 0 3 0x10008a sigsusp ksh 8804 423870 80944 0 3 0x9a kqread sshd 80944 397153 1 0 3 0x88 kqread sshd 57256 38883 53126 74 3 0x1100092 bpf pflogd 53126 7651 1 0 3 0x80 netio pflogd 18847 32263 73968 73 3 0x1100090 kqread syslogd 73968 196904 1 0 3 0x100082 netio syslogd 76113 232724 1 0 3 0x100080 kqread resolvd 33723 212565 54018 77 3 0x100092 kqread dhcpleased 67239 349817 54018 77 3 0x100092 kqread dhcpleased 54018 266861 1 0 3 0x80 kqread dhcpleased 24841 316886 0 0 3 0x14200 bored smr 97800 101969 0 0 2 0x14200 zerothread 65919 465072 0 0 3 0x14200 aiodoned aiodoned 49196 305354 0 0 3 0x14200 syncer update 87020 338583 0 0 3 0x14200 cleaner cleaner 52815 242764 0 0 7 0x14200 reaper 77199 362735 0 0 3 0x14200 pgdaemon pagedaemon 15012 354771 0 0 3 0x14200 bored viomb 20728 423855 0 0 3 0x40014200 acpi0 acpi0 74128 80939 0 0 3 0x40014200 idle1 28958 224538 0 0 3 0x14200 bored softnet 66995 466523 0 0 3 0x14200 bored softnet 62937 463999 0 0 3 0x14200 bored softnet 78712 514604 0 0 3 0x14200 bored softnet 56828 463407 0 0 3 0x14200 bored systqmp 75389 372844 0 0 3 0x14200 bored systq 5630 198542 0 0 3 0x40014200 bored softclock 96141 335304 0 0 3 0x40014200 idle0 1 221274 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff82a872c8) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d4 sys/kern/sched_bsd.c:419 #3 single_thread_check_locked+0x17f sys/kern/kern_sig.c:2045 #4 single_thread_check+0x4b sys/kern/kern_sig.c:2057 #5 sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] #5 sleep_finish+0x75 sys/kern/kern_synch.c:400 #6 rwsleep+0xd5 sys/kern/kern_synch.c:314 #7 futex_wait+0x13c sys/kern/sys_futex.c:260 #8 sys_futex+0xf8 sys/kern/sys_futex.c:111 #9 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x484 sys/arch/amd64/amd64/trap.c:585 #10 Xsyscall+0x128 CPU 1: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82ba3cf0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_pmr_freepages+0x10c sys/uvm/uvm_pmemrange.c:1289 #4 pmap_do_remove+0x666 sys/arch/amd64/amd64/pmap.c:1884 #5 uvm_unmap_kill_entry_withlock+0x1af sys/uvm/uvm_map.c:2139 #6 uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #6 uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 #7 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684 #8 reaper+0x19a sys/kern/kern_exit.c:454 #9 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10189 6485K 7063K 78643K 12554 0 pcb 13 11K 12K 78643K 132 0 rtable 227 6K 7K 78643K 491 0 ifaddr 88 17K 18K 78643K 178 0 counters 56 35K 35K 78643K 88 0 ioctlops 0 0K 4K 78643K 1718 0 iov 0 0K 16K 78643K 24 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1274 80K 80K 78643K 1845 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 2K 3K 78643K 52 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 93K 78643K 869 0 sigio 0 0K 0K 78643K 77 0 proc 70 91K 128K 78643K 634 0 subproc 104 6K 6K 78643K 156 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 9 0 in_multi 94 6K 6K 78643K 155 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 73 334K 334K 78643K 73 0 exec 0 0K 2K 78643K 778 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 7 26K 26K 78643K 7 0 UVM amap 251 129K 131K 78643K 6809 0 UVM aobj 118 3K 3K 78643K 121 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 85 0 NDP 13 0K 2K 78643K 54 0 temp 118 4715K 5734K 78643K 13434 0 kqueue 12 18K 30K 78643K 237 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 41 0 38 1 0 1 1 0 8 0 rtentry 112 161 0 56 4 0 4 4 0 8 0 unpcb 136 736 0 721 7 5 2 6 0 8 1 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 253 0 253 1 1 0 1 0 8 0 tcpcb 736 90 0 85 5 3 2 3 0 8 1 arp 120 26 0 10 1 0 1 1 0 8 0 inpcb 320 489 0 481 12 5 7 7 0 8 6 nd6 48 38 0 15 1 0 1 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1256 3 0 3 1 0 1 1 0 8 1 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 4 0 4 1 1 0 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 pfstitem 24 46 0 28 1 0 1 1 0 8 0 pfstkey 120 46 0 28 2 0 2 2 0 8 0 pfstate 336 46 0 28 3 0 3 3 0 8 0 pfrule 1360 88 0 83 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 694 0 226 32 2 30 30 0 8 0 art_table 32 695 0 226 4 0 4 4 0 8 0 art_node 16 160 0 65 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 4 1 0 1 1 0 8 0 semupl 112 7 0 7 2 1 1 1 0 8 1 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 118 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2622 0 1177 91 0 91 91 0 8 0 ffsino 272 2622 0 1177 97 0 97 97 0 8 0 nchpl 144 3753 0 2099 63 0 63 63 0 8 0 uvmvnodes 80 2936 0 0 60 0 60 60 0 8 0 vnodes 224 2936 0 0 173 0 173 173 0 8 0 namei 1024 13846 0 13846 4 3 1 2 0 8 1 percpumem 16 56 0 16 1 0 1 1 0 8 0 vcpupl 2048 3 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 0 1 0 1 1 0 8 0 kstatmem 264 58 0 32 2 0 2 2 0 8 0 scxspl 216 14518 0 14518 9 8 1 8 0 8 1 plimitpl 152 121 0 105 1 0 1 1 0 8 0 sigapl 424 1190 0 1121 10 2 8 8 0 8 0 futexpl 64 5893 0 5891 3 2 1 1 0 8 0 knotepl 120 249 0 0 8 0 8 8 0 8 0 kqueuepl 224 1088 0 1080 19 10 9 9 0 8 8 pipepl 336 196 0 168 3 0 3 3 0 8 0 fdescpl 496 1152 0 1123 6 2 4 5 0 8 0 filepl 152 8268 0 8029 26 8 18 19 0 8 7 lockfpl 104 194 0 192 2 1 1 2 0 8 0 lockfspl 48 60 0 58 1 0 1 1 0 8 0 sessionpl 144 29 0 12 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 1974 0 1961 1 0 1 1 0 8 0 zombiepl 144 1123 0 1121 2 1 1 1 0 8 0 processpl 1064 1190 0 1121 5 0 5 5 0 8 0 procpl 672 2652 0 2572 10 2 8 9 0 8 0 srpgc 96 8 0 8 2 2 0 1 0 8 0 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 480 1266 0 1240 36 24 12 20 0 8 8 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 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 199 0 0 25 0 25 25 0 8 0 mtagpl 96 91 0 0 3 0 3 3 0 8 0 mbufpl 256 373 0 0 20 0 20 20 0 8 0 bufpl 288 5023 0 142 349 0 349 349 0 8 0 anonpl 24 216707 0 199856 130 8 122 123 0 186 10 amapchunkpl 152 18781 0 18094 40 4 36 38 0 158 7 amappl16 200 2264 0 1727 29 0 29 29 0 8 0 amappl15 192 200 0 196 1 0 1 1 0 8 0 amappl14 184 165 0 160 1 0 1 1 0 8 0 amappl13 176 105 0 104 2 1 1 1 0 8 0 amappl12 168 12 0 9 1 0 1 1 0 8 0 amappl11 160 92 0 72 1 0 1 1 0 8 0 amappl10 152 128 0 122 1 0 1 1 0 8 0 amappl9 144 542 0 538 1 0 1 1 0 8 0 amappl8 136 909 0 857 2 0 2 2 0 8 0 amappl7 128 378 0 360 1 0 1 1 0 8 0 amappl6 120 277 0 262 2 1 1 2 0 8 0 amappl5 112 857 0 837 1 0 1 1 0 8 0 amappl4 104 951 0 929 2 1 1 2 0 8 0 amappl3 96 2773 0 2725 2 0 2 2 0 8 0 amappl2 88 1444 0 1383 3 1 2 3 0 8 0 amappl1 80 29077 0 28424 21 5 16 20 0 8 0 amappl 88 6283 0 6113 6 1 5 5 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 72 120 0 3 3 0 3 3 0 8 0 uaddrrnd 24 1155 0 1123 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1155 0 1123 1 0 1 1 0 8 0 vmmpekpl 168 13619 0 13563 3 0 3 3 0 8 0 vmmpepl 168 114113 0 111565 136 16 120 122 0 357 4 vmsppl 368 1154 0 1122 4 0 4 4 0 8 0 rwobjpl 56 31725 0 27135 67 1 66 66 0 8 0 pdppl 4096 2317 0 2247 142 70 72 83 0 8 2 pvpl 32 568562 0 547160 260 39 221 259 0 265 28 pmappl 248 1154 0 1122 3 0 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 792 0 81 21 0 21 21 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(ffffffff825a0599) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff82615d07,ffffffff825891d5,3f,ffffffff8264bc7b) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000212ec550,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000212ec550,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff80002e4743a0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff80002e4743a0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000212ec550,ffffffff829990c0,120,ffffffff82599d73,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(4b0d83e4790,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000212ec550,ffff80002e474530,ffff80002e474590) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff80002e474600) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e474600) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b154d9f050, count: -12 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 __mp_lock(ffffffff82a870c0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a870c0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82ba3b48,ffffffff) at wakeup_n+0x37 uvm_pmr_freepages(fffffd800801a9c0,1) at uvm_pmr_freepages+0x2ce sys/uvm/uvm_pmemrange.c:1303 pmap_do_remove(fffffd8060c3fbb0,1b30120000,1b30160000,0) at pmap_do_remove+0x666 sys/arch/amd64/amd64/pmap.c:1884 uvm_unmap_kill_entry_withlock(fffffd8067a7d018,fffffd8066c61e08,0) at uvm_unmap_kill_entry_withlock+0x1af sys/uvm/uvm_map.c:2139 uvm_map_teardown(fffffd8067a7d018) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8067a7d018) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd8067a7d018) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684 reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:454 end trace frame: 0x0, count: 4 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 __mp_lock(ffffffff82a870c0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a870c0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82ba3b48,ffffffff) at wakeup_n+0x37 uvm_pmr_freepages(fffffd800801a9c0,1) at uvm_pmr_freepages+0x2ce sys/uvm/uvm_pmemrange.c:1303 pmap_do_remove(fffffd8060c3fbb0,1b30120000,1b30160000,0) at pmap_do_remove+0x666 sys/arch/amd64/amd64/pmap.c:1884 uvm_unmap_kill_entry_withlock(fffffd8067a7d018,fffffd8066c61e08,0) at uvm_unmap_kill_entry_withlock+0x1af sys/uvm/uvm_map.c:2139 uvm_map_teardown(fffffd8067a7d018) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8067a7d018) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd8067a7d018) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3684 reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:454 end trace frame: 0x0, count: -11