panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 38384 3398 0 0x1000 0x4080000 1K syz-executor 418792 70155 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834107b5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c51ab84,2,400000000100,ffff80003c51abb8,0,27,b99c1a5cc273ed67) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a2f91f8,ffff80003c51acf0,ffff80003c51ac40) at sys_sysctl+0x425 syscall(ffff80003c51acf0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c51acf0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf7200169b00, 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(ffffffff834107b5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c51ab84,2,400000000100,ffff80003c51abb8,0,27,b99c1a5cc273ed67) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a2f91f8,ffff80003c51acf0,ffff80003c51ac40) at sys_sysctl+0x425 syscall(ffff80003c51acf0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c51acf0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf7200169b00, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c51a790 rbx 0xffff800029a9cdc7 rdx 0xffff8000014671c0 rcx 0xffff80002a2f91f8 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe62d31c4bace313 r11 0xaf236585626ce694 r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82e63fa5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c51a780 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=38384 pid=3398 tcnt=4 stat=onproc flags process=1000 proc=4080000 runpri=32, usrpri=67, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff5c58 scnt=3 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6020,0xffff8000ffff59d8 process=0xffff8000ffff0020 user=0xffff80003c515000, vmspace=0xfffffd806bc3a3b0 estcpu=17, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30172 258595 35223 0 2 0 syz-executor 30172 313284 35223 0 3 0x4000080 sysctllk syz-executor 61978 259159 51694 0 3 0x80 nanoslp syz-executor 61978 169997 51694 0 3 0x4000080 sysctllk syz-executor 61978 328227 51694 0 3 0x4000080 sysctllk syz-executor 78576 193636 80846 0 2 0 syz-executor 78576 147922 80846 0 3 0x4000080 sbwait syz-executor 78576 475300 80846 0 3 0x4000080 sysctllk syz-executor 51575 58056 9185 0 2 0 syz-executor 51575 250297 9185 0 3 0x4000080 fsleep syz-executor 51575 24159 9185 0 3 0x4000080 fsleep syz-executor 32396 172820 42943 0 3 0x80 nanoslp syz-executor 32396 458 42943 0 3 0x4000080 sysctllk syz-executor 32396 486391 42943 0 3 0x4000080 fsleep syz-executor 32396 113552 42943 0 3 0x4000080 fsleep syz-executor 3398 204395 27878 0 3 0x3000 suspend syz-executor * 3398 38384 27878 0 7 0x4081000 syz-executor 3398 299564 27878 0 2 0x4081000 syz-executor 3398 495920 27878 0 2 0x4081080 syz-executor 54130 198724 0 0 3 0x14200 bored sosplice 16881 36017 61370 0 3 0x82 nanoslp syz-executor 27878 343579 61370 0 3 0x82 nanoslp syz-executor 42943 451791 61370 0 3 0x82 nanoslp syz-executor 51694 468920 61370 0 3 0x82 nanoslp syz-executor 80846 173758 61370 0 3 0x82 nanoslp syz-executor 9185 451983 61370 0 3 0x82 nanoslp syz-executor 35223 502039 61370 0 3 0x82 nanoslp syz-executor 44038 116411 61370 0 3 0x2 biowait syz-executor 61370 280283 43566 0 3 0x82 kqread syz-executor 43566 204293 40572 0 3 0x10008a sigsusp ksh 40572 76169 92071 0 3 0x98 kqread sshd-session 92071 131716 17352 0 3 0x92 kqread sshd-session 63269 332635 1 0 3 0x100083 ttyin getty 17352 158462 1 0 3 0x88 kqread sshd 66089 69394 58110 74 3 0x1100092 bpf pflogd 58110 518056 1 0 3 0x80 sbwait pflogd 57054 396691 51623 73 3 0x1100090 kqread syslogd 51623 324122 1 0 3 0x100082 sbwait syslogd 21710 151258 1 0 3 0x100080 kqread resolvd 93002 157332 14284 77 3 0x100092 kqread dhcpleased 92135 184379 14284 77 3 0x100092 kqread dhcpleased 14284 352224 1 0 3 0x80 kqread dhcpleased 57002 427714 0 0 3 0x14200 bored smr 57800 248316 0 0 2 0x14200 zerothread 1573 184267 0 0 3 0x14200 aiodoned aiodoned 61444 306169 0 0 3 0x14200 syncer update 11361 131334 0 0 3 0x14200 cleaner cleaner 70155 418792 0 0 7 0x14200 reaper 41235 352956 0 0 3 0x14200 pgdaemon pagedaemon 60417 373701 0 0 3 0x14200 bored viomb 38126 279426 0 0 3 0x40014200 acpi0 acpi0 50598 179550 0 0 3 0x40014200 idle1 13703 109971 0 0 3 0x14200 bored softnet3 25939 523662 0 0 3 0x14200 bored softnet2 26074 374063 0 0 3 0x14200 bored softnet1 24242 394357 0 0 3 0x14200 bored softnet0 96650 363124 0 0 3 0x14200 bored systqmp 12913 483111 0 0 3 0x14200 bored systq 65783 394632 0 0 3 0x14200 tmoslp softclockmp 76972 119766 0 0 3 0x40014200 tmoslp softclock 83865 80384 0 0 3 0x40014200 idle0 1 103674 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 3398 (syz-executor) thread 0xffff80002a2f91f8 (38384) shared rwlock vmmaplk r = 0 (0xfffffd806bc3a4b0) #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 (0xffffffff8393c9f0) #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 (0xffffffff837c7aa8) #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 Process 44038 (syz-executor) thread 0xffff80002a3602a8 (116411) exclusive rrwlock inode r = 0 (0xfffffd806be171b8) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #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:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8078383530) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11168K 11350K 166960K 11387 0 pcb 18 12K 12K 166960K 32 0 rtable 238 7K 7K 166960K 361 0 pf 34 17K 18K 166960K 58 0 ifaddr 43 7K 8K 166960K 56 0 ifgroup 55 2K 2K 166960K 76 0 sysctl 2 1K 1K 166960K 2 0 counters 64 36K 37K 166960K 84 0 ioctlops 0 0K 4K 166960K 1496 0 iov 0 0K 16K 166960K 76 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1365 86K 86K 166960K 1446 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 215 0 sigio 0 0K 0K 166960K 2 0 proc 72 91K 115K 166960K 535 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 4 0 in_multi 99 7K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 373 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 239 77K 78K 166960K 3578 0 UVM aobj 5 2K 2K 166960K 6 0 pinsyscall 42 84K 102K 166960K 1298 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 6 0 NDP 12 0K 2K 166960K 33 0 temp 39 8682K 8758K 166960K 4342 0 kqueue 14 22K 26K 166960K 37 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 35 0 31 1 0 1 1 0 8 0 rtentry 112 116 0 5 4 0 4 4 0 8 0 unpcb 144 107 0 83 2 0 2 2 0 8 1 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 35 0 29 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 376 195 0 184 2 0 2 2 0 8 0 nd6 136 25 0 0 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 6 0 6 1 0 1 1 0 8 1 pppxif 1480 5 0 5 1 0 1 1 0 8 1 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 20 0 0 1 0 1 1 0 8 0 pfstkey 128 20 0 0 1 0 1 1 0 8 0 pfstate 376 20 0 0 2 0 2 2 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 256 473 0 18 29 0 29 29 0 8 0 art_table 32 474 0 18 4 0 4 4 0 8 0 art_node 16 114 0 13 1 0 1 1 0 8 0 semapl 112 2 0 1 1 0 1 1 0 8 0 shmpl 112 3 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1708 0 201 95 0 95 95 0 8 0 ffsino 280 1708 0 201 109 0 109 109 0 8 0 nchpl 144 2001 0 313 63 0 63 63 0 8 0 uvmvnodes 80 1858 0 0 38 0 38 38 0 8 0 vnodes 216 1858 0 0 104 0 104 104 0 8 0 namei 1024 6463 0 6461 2 0 2 2 0 8 1 percpumem 16 56 0 10 1 0 1 1 0 8 0 kstatmem 264 34 0 10 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 6698 0 6697 5 0 5 5 1 8 4 plimitpl 152 39 0 22 1 0 1 1 0 8 0 sigapl 424 515 0 465 7 0 7 7 0 8 1 futexpl 64 1436 0 1431 1 0 1 1 0 8 0 knotepl 120 66 0 0 2 0 2 2 0 8 0 kqueuepl 216 59 0 49 2 0 2 2 0 8 1 pipepl 328 115 0 88 3 0 3 3 0 8 0 fdescpl 504 496 0 465 5 0 5 5 0 8 0 filepl 152 2193 0 1959 11 0 11 11 0 8 1 lockfpl 104 38 0 35 1 0 1 1 0 8 0 lockfspl 48 19 0 16 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 127 0 114 1 0 1 1 0 8 0 zombiepl 144 467 0 465 1 0 1 1 0 8 0 processpl 1176 515 0 465 5 0 5 5 0 8 0 procpl 656 678 0 614 6 0 6 6 0 8 0 sockpl 688 341 0 302 4 0 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 118 0 0 15 0 15 15 0 8 0 mcl2k 2048 15 0 0 2 0 2 2 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 124 0 0 8 0 8 8 0 8 0 bufpl 280 2435 0 131 165 0 165 165 0 8 0 anonpl 24 114086 0 106610 49 3 46 46 0 184 0 amapchunkpl 152 11163 0 10565 25 0 25 25 0 158 0 amappl16 200 2413 0 2212 13 2 11 11 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 110 0 98 1 0 1 1 0 8 0 amappl13 176 8 0 7 1 0 1 1 0 8 0 amappl12 168 1139 0 1108 3 1 2 2 0 8 0 amappl11 160 77 0 62 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 243 0 243 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 109 0 97 1 0 1 1 0 8 0 amappl6 120 180 0 177 1 0 1 1 0 8 0 amappl5 112 129 0 120 1 0 1 1 0 8 0 amappl4 104 315 0 297 1 0 1 1 0 8 0 amappl3 96 1799 0 1681 4 0 4 4 0 8 0 amappl2 88 635 0 574 2 0 2 2 0 8 0 amappl1 80 8168 0 7600 14 0 14 14 0 8 1 amappl 88 3203 0 3022 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 5 0 1 1 0 1 1 0 8 0 uaddrrnd 24 496 0 465 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 496 0 465 1 0 1 1 0 8 0 vmmpekpl 168 5847 0 5810 2 0 2 2 0 8 0 vmmpepl 168 37453 0 35406 92 0 92 92 0 357 0 vmsppl 456 495 0 465 5 0 5 5 0 8 1 rwobjpl 64 15939 0 12960 49 0 49 49 0 8 0 pdppl 4096 1000 0 930 96 22 74 84 0 8 4 pvpl 32 15130 0 0 124 1 123 123 0 265 0 pmappl 248 495 0 465 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 265 0 24 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8379aff0) 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 __mp_lock(ffffffff8393c7e8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8393c7e8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 intr_handler(ffff80002a308dd0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 sys/dev/kcov.c:230 witness_checkorder(ffffffff839e2e08,9,0) at witness_checkorder+0x7b sys/kern/subr_witness.c:772 mtx_enter(ffffffff839e2df8) at mtx_enter+0x47 sys/kern/kern_lock.c:238 vm_map_lock_ln(ffffffff839e2ca8,0,0) at vm_map_lock_ln+0x66 sys/uvm/uvm_map.c:5237 uvm_unmap(ffffffff839e2ca8,ffff80002ec91000,ffff80002ec97000) at uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 km_free(ffff80002ec91000,6000,ffffffff83585e78,ffffffff83743988) at km_free+0x87 sys/uvm/uvm_km.c:833 uvm_uarea_free(ffff8000ffff4a68) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 reaper(ffff80002a2f8a48) at reaper+0x1fe sys/kern/kern_exit.c:469 end trace frame: 0x0, count: 1 ddb{0}> trace x86_ipi_db(ffffffff8379aff0) 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 __mp_lock(ffffffff8393c7e8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8393c7e8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 intr_handler(ffff80002a308dd0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 sys/dev/kcov.c:230 witness_checkorder(ffffffff839e2e08,9,0) at witness_checkorder+0x7b sys/kern/subr_witness.c:772 mtx_enter(ffffffff839e2df8) at mtx_enter+0x47 sys/kern/kern_lock.c:238 vm_map_lock_ln(ffffffff839e2ca8,0,0) at vm_map_lock_ln+0x66 sys/uvm/uvm_map.c:5237 uvm_unmap(ffffffff839e2ca8,ffff80002ec91000,ffff80002ec97000) at uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 km_free(ffff80002ec91000,6000,ffffffff83585e78,ffffffff83743988) at km_free+0x87 sys/uvm/uvm_km.c:833 uvm_uarea_free(ffff8000ffff4a68) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 reaper(ffff80002a2f8a48) at reaper+0x1fe sys/kern/kern_exit.c:469 end trace frame: 0x0, count: -14 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(ffffffff834107b5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c51ab84,2,400000000100,ffff80003c51abb8,0,27,b99c1a5cc273ed67) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a2f91f8,ffff80003c51acf0,ffff80003c51ac40) at sys_sysctl+0x425 syscall(ffff80003c51acf0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c51acf0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf7200169b00, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834107b5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bc3a3b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c51ab88,1,400000000100,ffff80003c51abb8,0,afd2a85f0e4f52,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c51ab84,2,400000000100,ffff80003c51abb8,0,27,b99c1a5cc273ed67) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a2f91f8,ffff80003c51acf0,ffff80003c51ac40) at sys_sysctl+0x425 syscall(ffff80003c51acf0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c51acf0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf7200169b00, count: -9