panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 18423 63033 0 0 0x4000000 1 syz-executor 299030 93113 0 0x14000 0x200 0 softnet0 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(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000100,1c) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c515f04,1,400000000100,ffff80003c515f38,0,0,57e0240a5cdcbeb9) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff80002a3d3218,ffff80003c516070,ffff80003c515fc0) at sys_sysctl+0x425 syscall(ffff80003c516070) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516070) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5bd0880020, 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(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000100,1c) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c515f04,1,400000000100,ffff80003c515f38,0,0,57e0240a5cdcbeb9) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff80002a3d3218,ffff80003c516070,ffff80003c515fc0) at sys_sysctl+0x425 syscall(ffff80003c516070) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516070) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5bd0880020, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c515b80 rbx 0xffff800029a9cdc7 rdx 0 rcx 0xffff80002a3d3218 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x126a7626837597dc r11 0xdff449355bc1d16a r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82e63fa5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c515b70 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=18423 pid=63033 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a3d39c8,0xffff80002a3d34b8 process=0xffff8000ffff3740 user=0xffff80003c511000, vmspace=0xfffffd8065d0b1e8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 63033 26224 56436 0 3 0 vmmaplk syz-executor *63033 18423 56436 0 7 0x4000000 syz-executor 63033 476718 56436 0 3 0x4000080 fsleep syz-executor 35986 437166 79907 60928 2 0x10 syz-executor 35986 95933 79907 60928 3 0x4000090 fsleep syz-executor 37803 183751 31677 0 2 0 syz-executor 37803 290958 31677 0 3 0x4000080 kqread syz-executor 37803 186761 31677 0 2 0x4000000 syz-executor 24080 386196 52721 0 2 0 syz-executor 24080 404297 52721 0 3 0x4000080 fifor syz-executor 71953 187965 964 0 2 0 syz-executor 71953 378635 964 0 3 0x4000080 fsleep syz-executor 71953 513831 964 0 3 0x4000080 fsleep syz-executor 63614 308088 81325 0 2 0 syz-executor 63614 212004 81325 0 3 0x4000080 fsleep syz-executor 63614 358751 81325 0 2 0x4000000 syz-executor 63614 300859 81325 0 2 0x4000000 syz-executor 34178 369378 96186 0 3 0x80 nanoslp syz-executor 34178 110721 96186 0 3 0x4000080 kqsel syz-executor 34178 162388 96186 0 3 0x4000080 fsleep syz-executor 81325 231951 28517 0 3 0x82 nanoslp syz-executor 79907 270226 28517 0 3 0x82 nanoslp syz-executor 67052 413243 0 0 3 0x14200 bored sosplice 964 344627 28517 0 3 0x82 nanoslp syz-executor 56436 373844 28517 0 3 0x82 nanoslp syz-executor 52721 448654 28517 0 3 0x82 nanoslp syz-executor 89582 92760 28517 0 3 0x2 biowait syz-executor 31677 435586 28517 0 3 0x82 nanoslp syz-executor 96186 236484 28517 0 3 0x82 nanoslp syz-executor 28517 340413 21241 0 2 0x2 syz-executor 21241 289441 55848 0 3 0x10008a sigsusp ksh 55848 231133 70365 0 3 0x98 kqread sshd-session 70365 2250 67726 0 3 0x92 kqread sshd-session 59152 265581 1 0 3 0x100083 ttyin getty 67726 214928 1 0 3 0x88 kqread sshd 62105 45238 25116 74 3 0x1100092 bpf pflogd 25116 56349 1 0 3 0x80 sbwait pflogd 44918 19703 51115 73 3 0x1100090 kqread syslogd 51115 30336 1 0 3 0x100082 sbwait syslogd 44390 143787 1 0 3 0x100080 kqread resolvd 82896 385893 96015 77 3 0x100092 kqread dhcpleased 85303 1127 96015 77 3 0x100092 kqread dhcpleased 96015 408311 1 0 3 0x80 kqread dhcpleased 78579 226600 0 0 3 0x14200 bored smr 41960 514835 0 0 2 0x14200 zerothread 23163 464590 0 0 3 0x14200 aiodoned aiodoned 83678 403999 0 0 3 0x14200 syncer update 74381 69966 0 0 3 0x14200 cleaner cleaner 64422 479918 0 0 3 0x14200 reaper reaper 27198 183000 0 0 3 0x14200 pgdaemon pagedaemon 26196 298882 0 0 3 0x14200 bored viomb 691 197907 0 0 3 0x40014200 acpi0 acpi0 24203 449423 0 0 3 0x40014200 idle1 3504 177510 0 0 3 0x14200 bored softnet3 5281 188315 0 0 3 0x14200 bored softnet2 5747 306131 0 0 3 0x14200 bored softnet1 93113 299030 0 0 7 0x14200 softnet0 42947 467023 0 0 3 0x14200 bored systqmp 18021 516995 0 0 3 0x14200 bored systq 53770 223801 0 0 3 0x14200 tmoslp softclockmp 12757 64770 0 0 3 0x40014200 tmoslp softclock 78315 181234 0 0 3 0x40014200 idle0 1 122671 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 63033 (syz-executor) thread 0xffff80002a3d3218 (18423) shared rwlock vmmaplk r = 0 (0xfffffd8065d0b2e8) #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 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #4 kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 #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_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #7 kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 #8 sys_sysctl+0x425 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 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+0x9e0 sys/kern/kern_sysctl.c:628 #4 sys_sysctl+0x425 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 89582 (syz-executor) thread 0xffff80002a370f78 (92760) exclusive rrwlock inode r = 0 (0xfffffd806dd8ccb8) #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 (0xfffffd806ccf9bc0) #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 10234 11027K 11542K 166960K 13739 0 pcb 17 17K 18K 166960K 234 0 rtable 198 8K 10K 166960K 594 0 pf 36 18K 25K 166960K 249 0 ifaddr 37 6K 8K 166960K 117 0 ifgroup 51 2K 2K 166960K 220 0 sysctl 4 1K 1K 166960K 9 0 counters 62 36K 37K 166960K 200 0 ioctlops 0 0K 4K 166960K 1665 0 iov 0 0K 24K 166960K 105 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1391 87K 88K 166960K 2748 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 35 0 VM map 2 1K 1K 166960K 2 0 sem 16 10K 10K 166960K 80 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 1562 0 sigio 1 0K 0K 166960K 27 0 proc 73 103K 140K 166960K 749 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 148 0 in_multi 79 5K 7K 166960K 178 0 ether_multi 1 0K 0K 166960K 12 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 295 1314K 1314K 166960K 295 0 exec 0 0K 1K 166960K 875 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 235 73K 81K 166960K 15993 0 UVM aobj 56 6K 6K 166960K 60 0 pinsyscall 42 84K 104K 166960K 2695 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 52 0 NDP 11 0K 2K 166960K 80 0 temp 79 8692K 8772K 166960K 60363 0 kqueue 16 26K 32K 166960K 251 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 120 127 0 124 1 0 1 1 0 8 0 rtentry 112 161 0 77 4 0 4 4 0 8 0 unpcb 144 1066 0 1042 8 4 4 4 0 8 3 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpqe 32 5 0 5 1 1 0 1 0 8 0 tcpcb 808 632 0 628 11 8 3 8 0 8 2 arp 120 26 0 10 1 0 1 1 0 8 0 inpcb 376 2125 0 2117 36 27 9 20 0 8 7 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 3 0 3 1 1 0 1 0 8 0 nd6 136 31 0 9 1 0 1 1 0 8 0 pkpcb 40 16 0 16 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1168 42 0 42 1 0 1 1 0 8 1 pppxif 1480 10 0 10 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 8 0 2 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 pfrktable 1344 32 0 30 2 1 1 1 0 8 0 pfanchor 1288 9 0 5 1 0 1 1 0 8 0 pfstitem 24 89 0 27 1 0 1 1 0 8 0 pfstkey 128 91 0 29 3 0 3 3 0 8 0 pfstate 376 89 0 28 7 0 7 7 0 8 0 pfrule 1344 35 0 25 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 664 0 312 30 4 26 29 0 8 0 art_table 32 666 0 312 4 0 4 4 0 8 0 art_node 16 155 0 80 1 0 1 1 0 8 0 sysvmsgpl 40 41 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 74 0 60 1 0 1 1 0 8 0 shmpl 112 57 0 4 2 0 2 2 0 8 0 dirhash 1024 40 0 23 3 0 3 3 0 8 0 dino2pl 256 4218 0 2712 95 0 95 95 0 8 0 ffsino 280 4218 0 2712 109 0 109 109 0 8 0 nchpl 144 6340 0 4647 64 0 64 64 0 8 1 rtmask 32 7 0 7 3 2 1 1 0 8 1 uvmvnodes 80 5159 0 0 106 0 106 106 0 8 0 vnodes 216 5159 0 0 287 0 287 287 0 8 0 namei 1024 21880 0 21879 2 1 1 2 0 8 0 percpumem 16 114 0 69 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 9 2 1 1 1 0 8 0 kstatmem 264 120 0 98 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 5 0 5 3 2 1 1 0 8 1 scxspl 216 19343 0 19342 12 9 3 8 1 8 2 plimitpl 152 251 0 234 1 0 1 1 0 8 0 sigapl 424 1861 0 1811 7 1 6 7 0 8 0 futexpl 64 23712 0 23706 1 0 1 1 0 8 0 knotepl 120 446 0 0 15 1 14 14 0 8 0 kqueuepl 216 649 0 635 9 8 1 5 0 8 0 pipepl 328 194 0 166 3 0 3 3 0 8 0 fdescpl 504 1839 0 1808 6 1 5 6 0 8 0 filepl 152 11864 0 11638 23 8 15 21 0 8 5 lockfpl 104 500 0 497 1 0 1 1 0 8 0 lockfspl 48 180 0 177 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 52 0 35 1 0 1 1 0 8 0 ucredpl 104 1918 0 1902 1 0 1 1 0 8 0 zombiepl 144 1811 0 1811 1 0 1 1 0 8 1 processpl 1176 1861 0 1811 5 0 5 5 0 8 0 procpl 656 4186 0 4123 6 0 6 6 0 8 0 srpgc 96 6 0 6 3 3 0 1 0 8 0 sosppl 168 11 0 11 2 2 0 1 0 8 0 sockpl 688 3383 0 3348 39 27 12 20 0 8 8 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 120 0 0 3 0 3 3 0 8 0 mbufpl 256 547 0 0 34 0 34 34 0 8 0 bufpl 280 5494 0 146 382 0 382 382 0 8 0 anonpl 24 217089 0 212669 50 23 27 48 0 184 0 amapchunkpl 152 51348 0 50779 33 8 25 27 0 158 2 amappl16 200 3706 0 3666 23 20 3 15 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 117 0 104 1 0 1 1 0 8 0 amappl13 176 70 0 70 1 1 0 1 0 8 0 amappl12 168 2529 0 2498 4 1 3 3 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 109 0 96 1 0 1 1 0 8 0 amappl6 120 196 0 193 1 0 1 1 0 8 0 amappl5 112 129 0 119 1 0 1 1 0 8 0 amappl4 104 317 0 299 1 0 1 1 0 8 0 amappl3 96 10780 0 10665 4 0 4 4 0 8 0 amappl2 88 678 0 614 2 0 2 2 0 8 0 amappl1 80 12097 0 11522 14 1 13 14 0 8 0 amappl 88 15542 0 15363 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 22 0 21 1 0 1 1 0 8 0 aobjpl 72 59 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1839 0 1808 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1839 0 1808 1 0 1 1 0 8 0 vmmpekpl 168 14637 0 14598 3 0 3 3 0 8 0 vmmpepl 168 112870 0 110973 97 10 87 95 0 357 2 vmsppl 456 1838 0 1808 6 1 5 5 0 8 0 rwobjpl 64 34065 0 27896 100 0 100 100 0 8 0 pdppl 4096 3686 0 3616 104 32 72 88 0 8 2 pvpl 32 15547 0 0 128 2 126 127 0 265 0 pmappl 248 1838 0 1808 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 318 0 53 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8393c7e8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8393c7e8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a2d3c80,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_release_all(ffffffff8393c7e8) at __mp_release_all+0xd8 sys/kern/kern_lock.c:194 msleep(ffff80000002c000,ffff80000002c018,20,ffffffff834353ae,0) at msleep+0x1ed taskq_next_work(ffff80000002c000,ffff80002a2d3e60) at taskq_next_work+0x8e sys/kern/kern_task.c:399 taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:439 end trace frame: 0x0, count: 4 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8393c7e8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8393c7e8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a2d3c80,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_release_all(ffffffff8393c7e8) at __mp_release_all+0xd8 sys/kern/kern_lock.c:194 msleep(ffff80000002c000,ffff80000002c018,20,ffffffff834353ae,0) at msleep+0x1ed taskq_next_work(ffff80000002c000,ffff80002a2d3e60) at taskq_next_work+0x8e sys/kern/kern_task.c:399 taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:439 end trace frame: 0x0, count: -11 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(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000100,1c) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c515f04,1,400000000100,ffff80003c515f38,0,0,57e0240a5cdcbeb9) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff80002a3d3218,ffff80003c516070,ffff80003c515fc0) at sys_sysctl+0x425 syscall(ffff80003c516070) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516070) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5bd0880020, 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(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd8065d0b1e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000100,1c) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c515f04,1,400000000100,ffff80003c515f38,0,0,57e0240a5cdcbeb9) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff80002a3d3218,ffff80003c516070,ffff80003c515fc0) at sys_sysctl+0x425 syscall(ffff80003c516070) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516070) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5bd0880020, count: -9