panic: mutex 0xfffffd806bfa4678 not held in mtx_leave Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 508752 2659 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806bfa4678) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806bfa4590,fffffd806bfa4678,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806bfa4560,fffffd806c217060,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806bfa4560,ffff8000363b1040,40000,1000,80713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806bfa4560,ffff8000363b1040,40000,3,7,1002,4add954758573912,1002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff6018,ffff8000363b11b0,ffff8000363b1100) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff8000363b11b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000363b11b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6b376534d0, count: 5 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: mutex 0xfffffd806bfa4678 not held in mtx_leave ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806bfa4678) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806bfa4590,fffffd806bfa4678,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806bfa4560,fffffd806c217060,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806bfa4560,ffff8000363b1040,40000,1000,80713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806bfa4560,ffff8000363b1040,40000,3,7,1002,4add954758573912,1002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff6018,ffff8000363b11b0,ffff8000363b1100) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff8000363b11b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000363b11b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6b376534d0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000363b0c20 rbx 0xffffffff834aedbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000ffff6018 rax 0xffffffff834adff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x46a0fd42661e096a r11 0x94d9c2a1e863678f r12 0xffffffff834aebc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff816a99e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000363b0c10 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=433133 pid=2659 tcnt=4 stat=sleep flags process=10 proc=4000020 runpri=83, usrpri=84, slppri=4, nice=20 wchan=0xfffffd806bfa4590, wmesg=vmmapbsy, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff8000ffff62a0,0xffffffff8359f3c8 process=0xffff8000363a5fc8 user=0xffff8000363ac000, vmspace=0xfffffd806bfa4560 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2659 107459 10087 32767 2 0x10 syz-executor 2659 508752 10087 32767 7 0x4000010 syz-executor 2659 354904 10087 32767 2 0x4000010 syz-executor * 2659 433133 10087 32767 3 0x4000030 vmmapbsy syz-executor 24447 47148 67987 0 3 0x2 clonelk ifconfig 67987 441827 18239 0 3 0x10008a sigsusp sh 15850 24808 58191 0 3 0x2 clonelk ifconfig 57365 263897 12625 0 3 0x2 clonelk ifconfig 18239 358689 94502 0 3 0x80 wait syz-executor 12625 184377 95388 0 3 0x10008a sigsusp sh 95388 423509 34703 0 3 0x80 wait syz-executor 58191 182329 83817 0 3 0x10008a sigsusp sh 10087 98526 27263 32767 3 0x90 nanoslp syz-executor 97470 503011 78121 0 3 0 clonelk syz-executor 25014 378136 17327 0 3 0x2 clonelk ifconfig 83817 61337 43680 0 3 0x80 wait syz-executor 17327 494682 28756 0 3 0x10008a sigsusp sh 28756 392548 35326 0 3 0x80 wait syz-executor 54876 371862 61170 0 3 0 clonelk syz-executor 23948 234933 71259 0 3 0 clonelk syz-executor 43680 173527 16387 0 3 0x82 wait syz-executor 78121 270053 16387 0 3 0x82 wait syz-executor 35326 86744 16387 0 3 0x82 wait syz-executor 94502 333879 16387 0 3 0x82 wait syz-executor 61170 354388 16387 0 3 0x82 wait syz-executor 34703 137871 16387 0 3 0x82 wait syz-executor 71259 3835 16387 0 3 0x82 wait syz-executor 27263 461570 16387 0 3 0x82 wait syz-executor 95265 459048 0 0 3 0x14200 bored sosplice 16387 346953 94218 0 3 0x82 kqread syz-executor 94218 236516 49607 0 3 0x10008a sigsusp ksh 49607 334824 78408 0 3 0x98 kqread sshd-session 78408 61096 77277 0 3 0x92 kqread sshd-session 87711 154499 1 0 3 0x100083 ttyin getty 77277 320657 1 0 3 0x88 kqread sshd 85746 3927 77487 73 3 0x1100010 ffs_fsync syslogd 77487 186211 1 0 3 0x100082 sbwait syslogd 80291 344326 1 0 3 0x100080 kqread resolvd 61256 454794 95256 77 3 0x100092 kqread dhcpleased 70198 265290 95256 77 3 0x100092 kqread dhcpleased 95256 234079 1 0 3 0x80 kqread dhcpleased 67732 11842 0 0 3 0x14200 bored smr 13592 220480 0 0 3 0x14200 pgzero zerothread 86872 374319 0 0 3 0x14200 aiodoned aiodoned 38992 426904 0 0 3 0x14200 syncer update 50472 319259 0 0 3 0x14200 cleaner cleaner 65020 362133 0 0 3 0x14200 reaper reaper 52736 510576 0 0 3 0x14200 pgdaemon pagedaemon 16600 456660 0 0 3 0x14200 bored viomb 12181 36862 0 0 3 0x40014200 acpi0 acpi0 32238 420762 0 0 3 0x40014200 idle1 59052 223341 0 0 3 0x14200 bored softnet3 42991 64951 0 0 3 0x14200 bored softnet2 35752 78349 0 0 3 0x14200 bored softnet1 39332 260829 0 0 3 0x14200 bored softnet0 62668 138017 0 0 3 0x14200 bored systqmp 52622 354637 0 0 3 0x14200 bored systq 75217 244991 0 0 3 0x14200 tmoslp softclockmp 55611 443835 0 0 3 0x40014200 tmoslp softclock 25513 432056 0 0 3 0x40014200 idle0 1 348076 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &map->flags_lock r = 0 (0xfffffd806bfa46b8) #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 vm_map_lock_ln+0x6b sys/uvm/uvm_map.c:5244 #4 uvm_mapanon+0x292 #5 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 #6 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 2659 (syz-executor) thread 0xffff8000ffff6528 (508752) exclusive rwlock amaplk r = 0 (0xfffffd8058712b00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_check+0x521 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #3 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #4 uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 #5 sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 #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 shared rwlock vmmaplk r = 0 (0xfffffd806bfa4658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #5 uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 #6 sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 #7 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a2200) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 85746 (syslogd) thread 0xffff8000ffffd960 (3927) exclusive rrwlock inode r = 0 (0xfffffd806e294c50) #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 10196 11039K 11059K 166960K 11411 0 pcb 17 14K 16K 166960K 19 0 rtable 128 3K 7K 166960K 1547 0 pf 21 15K 16K 166960K 112 0 ifaddr 22 4K 7K 166960K 205 0 ifgroup 30 1K 2K 166960K 211 0 sysctl 4 1K 1K 166960K 4 0 counters 54 35K 36K 166960K 144 0 ioctlops 0 0K 2K 166960K 81 0 iov 0 0K 12K 166960K 68 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 92K 166960K 2424 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 101 0 dirhash 15 2K 3K 166960K 36 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 29 109K 157K 166960K 1518 0 sigio 0 0K 0K 166960K 21 0 proc 86 127K 176K 166960K 1697 0 subproc 130 8K 13K 166960K 1001 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 202 0 in_multi 44 3K 7K 166960K 579 0 ether_multi 1 0K 0K 166960K 10 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 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 981 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 223 90K 130K 166960K 12391 0 UVM aobj 23 5K 6K 166960K 29 0 pinsyscall 50 100K 126K 166960K 3558 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 63 0 NDP 8 0K 2K 166960K 144 0 temp 73 6822K 6886K 166960K 13383 0 kqueue 13 20K 32K 166960K 144 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 120 207 0 204 2 1 1 2 0 8 0 rtentry 112 548 0 491 5 1 4 4 0 8 0 unpcb 144 789 0 774 7 6 1 4 0 8 0 syncache 336 8 0 7 2 1 1 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 751 0 745 23 21 2 15 0 8 1 arp 120 96 0 88 1 0 1 1 0 8 0 ipq 40 4 0 1 1 0 1 1 0 8 0 ipqe 40 5 0 2 1 0 1 1 0 8 0 inpcb 336 1562 0 1549 21 19 2 13 0 8 0 nd6 136 149 0 138 1 0 1 1 0 8 0 kcovpl 48 77 0 67 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2208 0 1967 45 16 29 29 0 8 11 art_table 32 2209 0 1967 4 0 4 4 0 8 0 art_node 16 547 0 495 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 99 0 89 1 0 1 1 0 8 0 shmpl 112 26 0 6 1 0 1 1 0 8 0 dirhash 1024 33 0 14 3 0 3 3 0 8 0 dino2pl 256 2718 0 1088 103 0 103 103 0 8 1 ffsino 272 2718 0 1088 109 0 109 109 0 8 0 nchpl 144 3828 0 2065 66 0 66 66 0 8 0 uvmvnodes 80 3728 0 0 77 0 77 77 0 8 0 vnodes 216 3728 0 0 208 0 208 208 0 8 0 namei 1024 17533 0 17533 10 8 2 2 0 8 2 percpumem 16 86 0 45 1 0 1 1 0 8 0 kstatmem 264 102 0 90 2 0 2 2 0 8 0 scxspl 216 28357 0 28356 12 10 2 8 1 8 1 plimitpl 152 402 0 375 2 0 2 2 0 8 0 sigapl 424 1654 0 1594 10 1 9 9 0 8 1 futexpl 64 10180 0 10180 4 3 1 1 0 8 1 knotepl 120 352 0 0 10 0 10 10 0 8 0 kqueuepl 216 366 0 357 7 6 1 5 0 8 0 pipepl 320 456 0 425 8 2 6 6 0 8 1 fdescpl 496 1635 0 1594 9 2 7 7 0 8 0 filepl 152 9047 0 8780 24 9 15 16 0 8 1 lockfpl 104 298 0 295 1 0 1 1 0 8 0 lockfspl 48 91 0 88 1 0 1 1 0 8 0 sessionpl 144 70 0 52 1 0 1 1 0 8 0 pgrppl 48 158 0 132 1 0 1 1 0 8 0 ucredpl 104 1500 0 1486 1 0 1 1 0 8 0 zombiepl 144 1596 0 1594 1 0 1 1 0 8 0 processpl 1160 1654 0 1594 8 2 6 6 0 8 0 procpl 648 2809 0 2746 7 0 7 7 0 8 0 sosppl 168 12 0 12 4 4 0 1 0 8 0 sockpl 664 2566 0 2535 27 23 4 15 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 151 0 0 19 1 18 19 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 42 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 290 0 0 17 0 17 17 0 8 0 bufpl 280 7397 0 1223 442 0 442 442 0 8 0 anonpl 24 257431 0 252876 85 13 72 77 0 185 42 pool(0xffffffff8356d020:anonpl): page inconsistency: page 0xfffffd806cd05000; 0 on list, 165 missing, 166 items per page amapchunkpl 152 40370 0 39807 47 10 37 42 0 158 15 amappl16 200 4733 0 4726 22 18 4 14 0 8 3 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 186 0 176 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 2900 0 2866 5 2 3 3 0 8 1 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 141 0 141 1 1 0 1 0 8 0 amappl8 136 19 0 17 1 0 1 1 0 8 0 amappl7 128 180 0 169 1 0 1 1 0 8 0 amappl6 120 560 0 550 1 0 1 1 0 8 0 amappl5 112 294 0 281 1 0 1 1 0 8 0 amappl4 104 399 0 385 1 0 1 1 0 8 0 amappl3 96 7705 0 7615 4 0 4 4 0 8 0 amappl2 88 1231 0 1162 2 0 2 2 0 8 0 amappl1 80 14297 0 13736 15 1 14 14 0 8 0 amappl 88 11718 0 11551 7 1 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 28 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1635 0 1594 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1635 0 1594 1 0 1 1 0 8 0 vmmpekpl 168 15976 0 15898 4 0 4 4 0 8 0 vmmpepl 168 105141 0 103249 106 11 95 102 0 357 0 vmsppl 448 1634 0 1594 7 1 6 6 0 8 0 rwobjpl 56 34942 0 30290 69 1 68 68 0 8 0 pdppl 4096 3277 0 3188 244 131 113 113 0 8 24 pvpl 32 32065 0 0 260 2 258 258 0 265 0 pmappl 248 1634 0 1594 6 2 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 615 0 200 12 0 12 12 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(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806bfa4678) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806bfa4590,fffffd806bfa4678,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806bfa4560,fffffd806c217060,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806bfa4560,ffff8000363b1040,40000,1000,80713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806bfa4560,ffff8000363b1040,40000,3,7,1002,4add954758573912,1002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff6018,ffff8000363b11b0,ffff8000363b1100) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff8000363b11b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000363b11b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6b376534d0, count: -10 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 __sanitizer_cov_trace_const_cmp8(0,8) at __sanitizer_cov_trace_const_cmp8+0x2e kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_const_cmp8(0,8) at __sanitizer_cov_trace_const_cmp8+0x2e sys/dev/kcov.c:241 pool_do_get(ffffffff8356d020,2,ffff80003317cee8) at pool_do_get+0x227 sys/kern/subr_pool.c:733 pool_get(ffffffff8356d020,2) at pool_get+0x141 uvm_analloc() at uvm_analloc+0x36 sys/uvm/uvm_anon.c:63 uvm_fault_lower(ffff80003317d100,ffff80003317d138,ffff80003317d080,2) at uvm_fault_lower+0x20f sys/uvm/uvm_fault.c:1390 uvm_fault(fffffd806bfa4560,20bb6000,2,3) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 uvm_fault_wire(fffffd806bfa4560,20800000,21000000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 uvm_map_pageable_wire(fffffd806bfa4560,fffffd806d095258,0,ffff8000ffff6528,ffffffff822a59e0,0) at uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 sys_mlockall(ffff8000ffff6528,ffff80003317d410,ffff80003317d360) at sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 syscall(ffff80003317d410) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003317d410) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6ac9d1aaa0, 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 __sanitizer_cov_trace_const_cmp8(0,8) at __sanitizer_cov_trace_const_cmp8+0x2e kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_const_cmp8(0,8) at __sanitizer_cov_trace_const_cmp8+0x2e sys/dev/kcov.c:241 pool_do_get(ffffffff8356d020,2,ffff80003317cee8) at pool_do_get+0x227 sys/kern/subr_pool.c:733 pool_get(ffffffff8356d020,2) at pool_get+0x141 uvm_analloc() at uvm_analloc+0x36 sys/uvm/uvm_anon.c:63 uvm_fault_lower(ffff80003317d100,ffff80003317d138,ffff80003317d080,2) at uvm_fault_lower+0x20f sys/uvm/uvm_fault.c:1390 uvm_fault(fffffd806bfa4560,20bb6000,2,3) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 uvm_fault_wire(fffffd806bfa4560,20800000,21000000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 uvm_map_pageable_wire(fffffd806bfa4560,fffffd806d095258,0,ffff8000ffff6528,ffffffff822a59e0,0) at uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 sys_mlockall(ffff8000ffff6528,ffff80003317d410,ffff80003317d360) at sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 syscall(ffff80003317d410) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003317d410) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6ac9d1aaa0, count: -14