panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 253078 74556 0 0x1000 0x4080000 0 syz-executor *171595 74556 0 0x1000 0x4080000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83412fe3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5239d4,2,400000000100,ffff80003c523a08,0,27,9c1b0dc57d9f5a17) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c51a2c0,ffff80003c523b40,ffff80003c523a90) at sys_sysctl+0x425 syscall(ffff80003c523b40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c523b40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36de6251830, count: 6 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: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83412fe3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5239d4,2,400000000100,ffff80003c523a08,0,27,9c1b0dc57d9f5a17) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c51a2c0,ffff80003c523b40,ffff80003c523a90) at sys_sysctl+0x425 syscall(ffff80003c523b40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c523b40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36de6251830, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c5235e0 rbx 0xffff800029aacdc7 rdx 0xffff80000145b4c0 rcx 0xffff80003c51a2c0 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9b3ff977e8bd570d r11 0x6dd492b847aeac06 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8119b2b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c5235d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=171595 pid=74556 tcnt=4 stat=onproc flags process=1000 proc=4080000 runpri=32, usrpri=73, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c51b740 scnt=3 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c51bc60,0xffff80003c51cd20 process=0xffff80003b0edbb0 user=0xffff80003c51e000, vmspace=0xfffffd806bd2dc98 estcpu=23, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 85351 162932 51817 0 3 0x80 nanoslp syz-executor 85351 296128 51817 0 3 0x4000080 sysctllk syz-executor 85351 365330 51817 0 3 0x4000080 fsleep syz-executor 84677 438068 52884 0 3 0x80 nanoslp syz-executor 84677 201775 52884 0 3 0x4000080 sysctllk syz-executor 84677 49345 52884 0 3 0x4000080 fsleep syz-executor 12753 388397 60427 0 3 0x80 nanoslp syz-executor 12753 54696 60427 0 3 0x4000080 sysctllk syz-executor 12753 468782 60427 0 3 0x4000080 sysctllk syz-executor 12754 374591 39266 0 3 0x80 nanoslp syz-executor 12754 62774 39266 0 3 0x4000080 sysctllk syz-executor 14901 414288 24917 0 3 0x80 nanoslp syz-executor 14901 440600 24917 0 3 0x4000080 sysctllk syz-executor 49525 246300 70531 0 3 0x80 nanoslp syz-executor 49525 214246 70531 0 3 0x4000080 sbwait syz-executor 49525 515690 70531 0 3 0x4000080 fsleep syz-executor 49525 166858 70531 0 2 0x4000000 syz-executor 49525 210764 70531 0 3 0x4000080 fsleep syz-executor 74556 353485 61627 0 3 0x3000 suspend syz-executor 74556 253078 61627 0 7 0x4081000 syz-executor *74556 171595 61627 0 7 0x4081000 syz-executor 74556 323709 61627 0 2 0x4081000 syz-executor 1841 433515 0 0 3 0x14280 nfsidl nfsio 44219 521453 0 0 3 0x14280 nfsidl nfsio 36980 200572 0 0 3 0x14280 nfsidl nfsio 58831 427003 0 0 3 0x14280 nfsidl nfsio 25702 448063 0 0 3 0x14280 nfsidl nfsio 69513 319719 0 0 3 0x14280 nfsidl nfsio 39411 313652 0 0 3 0x14280 nfsidl nfsio 541 16580 0 0 3 0x14280 nfsidl nfsio 64762 83140 0 0 3 0x14280 nfsidl nfsio 97621 427218 0 0 3 0x14280 nfsidl nfsio 56612 486861 0 0 3 0x14280 nfsidl nfsio 76633 27461 0 0 3 0x14280 nfsidl nfsio 59620 83869 0 0 3 0x14280 nfsidl nfsio 8225 64 0 0 3 0x14280 nfsidl nfsio 9332 520248 0 0 3 0x14280 nfsidl nfsio 91906 133382 0 0 3 0x14280 nfsidl nfsio 18675 497292 0 0 3 0x14280 nfsidl nfsio 38831 155891 0 0 3 0x14280 nfsidl nfsio 75777 187803 0 0 3 0x14280 nfsidl nfsio 84125 18197 0 0 3 0x14280 nfsidl nfsio 72374 437107 0 0 3 0x14200 bored sosplice 60427 499453 77105 0 3 0x82 nanoslp syz-executor 24917 384940 77105 0 3 0x82 nanoslp syz-executor 39266 346041 77105 0 3 0x82 nanoslp syz-executor 70531 124864 77105 0 3 0x82 nanoslp syz-executor 61627 164853 77105 0 3 0x82 nanoslp syz-executor 51817 107698 77105 0 3 0x82 nanoslp syz-executor 33401 451956 77105 0 3 0x82 nanoslp syz-executor 52884 161493 77105 0 3 0x82 nanoslp syz-executor 77105 243310 95115 0 3 0x82 kqread syz-executor 95115 187093 79060 0 3 0x10008a sigsusp ksh 79060 216959 25732 0 3 0x98 kqread sshd-session 25732 521072 66862 0 3 0x92 kqread sshd-session 40081 468308 1 0 3 0x100083 ttyin getty 66862 511019 1 0 3 0x88 kqread sshd 9786 450897 90687 74 3 0x1100092 bpf pflogd 90687 278514 1 0 3 0x80 sbwait pflogd 10688 310282 19048 73 3 0x1100090 kqread syslogd 19048 521190 1 0 3 0x100082 sbwait syslogd 65972 393479 1 0 3 0x100080 kqread resolvd 43600 504917 50383 77 3 0x100092 kqread dhcpleased 503 360099 50383 77 3 0x100092 kqread dhcpleased 50383 260785 1 0 3 0x80 kqread dhcpleased 66674 177205 0 0 3 0x14200 bored smr 14877 15846 0 0 3 0x14200 pgzero zerothread 56012 360125 0 0 3 0x14200 aiodoned aiodoned 17857 369619 0 0 3 0x14200 syncer update 72851 508232 0 0 3 0x14200 cleaner cleaner 58771 350738 0 0 3 0x14200 reaper reaper 23558 192084 0 0 3 0x14200 pgdaemon pagedaemon 89455 30069 0 0 3 0x14200 bored viomb 4064 518290 0 0 3 0x40014200 acpi0 acpi0 62826 347977 0 0 3 0x40014200 idle1 3953 187312 0 0 3 0x14200 bored softnet3 49326 505704 0 0 3 0x14200 bored softnet2 12428 222496 0 0 3 0x14200 bored softnet1 90352 150982 0 0 3 0x14200 bored softnet0 98619 137900 0 0 3 0x14200 bored systqmp 82733 360761 0 0 3 0x14200 bored systq 8050 212219 0 0 3 0x14200 tmoslp softclockmp 59484 316421 0 0 3 0x40014200 tmoslp softclock 68532 281078 0 0 3 0x40014200 idle0 1 261185 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 74556 (syz-executor) thread 0xffff80003c51a2c0 (171595) shared rwlock vmmaplk r = 0 (0xfffffd806bd2dd98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703 #3 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #3 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838fa248) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 #5 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #8 vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 #9 sysctl_proc_cwd+0x2b2 sys/kern/kern_sysctl.c:2352 #10 kern_sysctl_dirs+0x2ef sys/kern/kern_sysctl.c:430 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #12 sys_sysctl+0x425 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837f9128) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187 #3 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 11021K 11340K 166960K 11337 0 pcb 17 12K 12K 166960K 27 0 rtable 234 6K 6K 166960K 348 0 pf 34 17K 18K 166960K 45 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 1K 166960K 1 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1487 0 iov 0 0K 4K 166960K 4 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1339 84K 84K 166960K 1381 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 168 0 proc 71 91K 128K 166960K 533 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 6 0 in_multi 99 7K 7K 166960K 100 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 369 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 73K 77K 166960K 3103 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 43 86K 101K 166960K 1246 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 3 0 NDP 12 0K 2K 166960K 29 0 temp 41 8678K 8744K 166960K 19416 0 kqueue 13 20K 26K 166960K 30 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 37 0 33 1 0 1 1 0 8 0 rtentry 160 111 0 1 5 0 5 5 0 8 0 unpcb 144 184 0 158 6 0 6 6 0 8 4 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 20 0 16 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 376 99 0 91 2 0 2 2 0 8 1 nd6 136 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 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 22 0 0 1 0 1 1 0 8 0 pfstkey 128 22 0 0 1 0 1 1 0 8 0 pfstate 376 22 0 0 3 0 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1611 0 101 95 0 95 95 0 8 0 ffsino 280 1611 0 101 109 0 109 109 0 8 0 nchpl 144 1846 0 156 63 0 63 63 0 8 0 uvmvnodes 80 1715 0 0 35 0 35 35 0 8 0 vnodes 216 1715 0 0 96 0 96 96 0 8 0 namei 1024 5768 0 5767 2 0 2 2 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 6113 0 6113 3 1 2 2 1 8 2 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 487 0 416 10 1 9 9 0 8 0 futexpl 64 681 0 677 1 0 1 1 0 8 0 knotepl 120 62 0 0 2 0 2 2 0 8 0 kqueuepl 216 93 0 82 5 0 5 5 0 8 4 pipepl 328 175 0 147 8 0 8 8 0 8 5 fdescpl 504 448 0 416 5 0 5 5 0 8 0 filepl 152 2037 0 1800 19 0 19 19 0 8 7 lockfpl 104 21 0 19 1 0 1 1 0 8 0 lockfspl 48 11 0 9 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 108 0 95 1 0 1 1 0 8 0 zombiepl 144 418 0 416 1 0 1 1 0 8 0 processpl 1176 487 0 416 6 0 6 6 0 8 0 procpl 656 557 0 471 9 1 8 8 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 688 321 0 283 15 0 15 15 0 8 10 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 122 0 0 8 0 8 8 0 8 0 bufpl 280 2483 0 128 169 0 169 169 0 8 0 anonpl 24 106788 0 103007 25 0 25 25 0 184 2 amapchunkpl 152 9512 0 8934 24 0 24 24 0 158 0 amappl16 200 2223 0 2186 5 0 5 5 0 8 3 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 109 0 97 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 0 1 1 0 8 1 amappl12 168 1090 0 1058 3 1 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 0 1 1 0 8 1 amappl9 144 242 0 242 1 0 1 1 0 8 1 amappl8 136 29 0 26 1 0 1 1 0 8 0 amappl7 128 105 0 93 1 0 1 1 0 8 0 amappl6 120 213 0 210 1 0 1 1 0 8 0 amappl5 112 124 0 115 1 0 1 1 0 8 0 amappl4 104 329 0 311 1 0 1 1 0 8 0 amappl3 96 1520 0 1387 4 0 4 4 0 8 0 amappl2 88 636 0 575 2 0 2 2 0 8 0 amappl1 80 7708 0 7134 13 0 13 13 0 8 0 amappl 88 2738 0 2542 5 0 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 448 0 416 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 448 0 416 1 0 1 1 0 8 0 vmmpekpl 168 5776 0 5732 3 0 3 3 0 8 0 vmmpepl 168 34565 0 32614 86 0 86 86 0 357 0 vmsppl 456 447 0 416 5 0 5 5 0 8 0 rwobjpl 64 14806 0 12112 44 0 44 44 0 8 0 pdppl 4096 904 0 832 94 16 78 84 0 8 6 pvpl 32 11861 0 0 96 0 96 96 0 265 0 pmappl 248 447 0 416 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 260 0 18 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837a7ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:153 __mp_lock(ffffffff838fa040) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838fa040) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 proc_suspend_check_locked(ffff80003c51a550,0) at proc_suspend_check_locked+0x2d5 sys/kern/kern_sig.c:2223 userret(ffff80003c51a550) at userret+0x9c sys/kern/kern_sig.c:2160 syscall(ffff8000330b3130) at syscall+0x9c0 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] syscall(ffff8000330b3130) at syscall+0x9c0 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36d8b0e3000, count: 6 ddb{0}> trace x86_ipi_db(ffffffff837a7ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:153 __mp_lock(ffffffff838fa040) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838fa040) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 proc_suspend_check_locked(ffff80003c51a550,0) at proc_suspend_check_locked+0x2d5 sys/kern/kern_sig.c:2223 userret(ffff80003c51a550) at userret+0x9c sys/kern/kern_sig.c:2160 syscall(ffff8000330b3130) at syscall+0x9c0 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] syscall(ffff8000330b3130) at syscall+0x9c0 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36d8b0e3000, count: -9 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:438 panic(ffffffff83412fe3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5239d4,2,400000000100,ffff80003c523a08,0,27,9c1b0dc57d9f5a17) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c51a2c0,ffff80003c523b40,ffff80003c523a90) at sys_sysctl+0x425 syscall(ffff80003c523b40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c523b40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36de6251830, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83412fe3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bd2dc98,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5239d8,1,400000000100,ffff80003c523a08,0,dc6e44bab1c520f,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5239d4,2,400000000100,ffff80003c523a08,0,27,9c1b0dc57d9f5a17) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c51a2c0,ffff80003c523b40,ffff80003c523a90) at sys_sysctl+0x425 syscall(ffff80003c523b40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c523b40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36de6251830, count: -9