panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *152724 73656 32767 0x10 0x4000000 0K syz-executor 419457 99021 32767 0x10 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834077f3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be3dca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806be3dca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003c52d818,4,400000000100,ffff80003c52d848,0,c79d9f9d9fd18633,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c52d818,4,400000000100,ffff80003c52d848,0,c79d9f9d9fd18633,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c52d814,5,400000000100,ffff80003c52d848,0,37,7a3c59158c366c63) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffefc58,ffff80003c52d980,ffff80003c52d8d0) at sys_sysctl+0x425 syscall(ffff80003c52d980) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d980) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcfcc10b2c80, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834077f3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be3dca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806be3dca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003c52d818,4,400000000100,ffff80003c52d848,0,c79d9f9d9fd18633,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c52d818,4,400000000100,ffff80003c52d848,0,c79d9f9d9fd18633,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c52d814,5,400000000100,ffff80003c52d848,0,37,7a3c59158c366c63) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffefc58,ffff80003c52d980,ffff80003c52d8d0) at sys_sysctl+0x425 syscall(ffff80003c52d980) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d980) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcfcc10b2c80, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c52d420 rbx 0xffffffff837f1dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff8000fffefc58 rax 0xffffffff837f0ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa246590443b204f r11 0xe20249fc4bcd24fb r12 0xffffffff837f1bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81884775 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c52d410 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=152724 pid=73656 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffeea68,0xffff8000fffef228 process=0xffff8000ffff3740 user=0xffff80003c528000, vmspace=0xfffffd806be3dca8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73656 391077 57331 32767 2 0x10 syz-executor 73656 124607 57331 32767 3 0x4000090 fsleep syz-executor *73656 152724 57331 32767 7 0x4000010 syz-executor 73656 258075 57331 32767 2 0x4000010 syz-executor 79898 103675 83370 32767 2 0x10 syz-executor 79898 360867 83370 32767 3 0x4000090 sbwait syz-executor 79898 338189 83370 32767 3 0x4000090 fsleep syz-executor 27260 372315 52307 32767 2 0x10 syz-executor 27260 499034 52307 32767 3 0x4000090 fsleep syz-executor 5626 108688 7771 32767 2 0x10 syz-executor 5626 370298 7771 32767 3 0x4000090 fsleep syz-executor 63851 396682 82570 32767 2 0x10 syz-executor 63851 367755 82570 32767 3 0x4000090 fsleep syz-executor 64911 512315 36197 32767 3 0x90 nanoslp syz-executor 64911 150350 36197 32767 3 0x4000090 lockf syz-executor 64911 392396 36197 32767 3 0x4000090 fsleep syz-executor 72761 98827 0 0 3 0x14200 bored sosplice 34402 77710 80031 0 3 0x100082 sbwait ndp 80031 169345 19825 0 3 0x10008a sigsusp sh 82570 139739 75104 32767 3 0x90 nanoslp syz-executor 99021 419457 59410 32767 7 0x10 syz-executor 57331 410320 10739 32767 3 0x90 nanoslp syz-executor 36197 204876 72338 32767 3 0x90 nanoslp syz-executor 83370 212859 28590 32767 3 0x90 nanoslp syz-executor 52307 416 58438 32767 2 0x490 syz-executor 19825 248152 71337 0 3 0x80 wait syz-executor 7771 431934 21286 32767 3 0x90 nanoslp syz-executor 58438 91875 88288 0 3 0x82 wait syz-executor 28590 289120 88288 0 3 0x82 wait syz-executor 72338 308679 88288 0 3 0x82 wait syz-executor 59410 106005 88288 0 3 0x82 wait syz-executor 21286 301621 88288 0 3 0x82 wait syz-executor 10739 451432 88288 0 3 0x82 wait syz-executor 71337 133432 88288 0 3 0x82 wait syz-executor 75104 182064 88288 0 3 0x82 wait syz-executor 88288 43851 28963 0 3 0x82 kqread syz-executor 28963 62908 32672 0 3 0x10008a sigsusp ksh 32672 143821 46198 0 3 0x98 kqread sshd-session 46198 475892 6445 0 3 0x92 kqread sshd-session 30351 313406 1 0 3 0x100083 ttyin getty 6445 41700 1 0 3 0x88 kqread sshd 84042 29762 51413 73 3 0x1100090 kqread syslogd 51413 460276 1 0 3 0x100082 sbwait syslogd 12025 119750 1 0 3 0x100080 kqread resolvd 46931 49105 38997 77 3 0x100092 kqread dhcpleased 24446 41444 38997 77 3 0x100092 kqread dhcpleased 38997 204834 1 0 3 0x80 kqread dhcpleased 58622 320119 0 0 3 0x14200 bored smr 63895 446081 0 0 2 0x14200 zerothread 62982 33693 0 0 3 0x14200 aiodoned aiodoned 87904 500208 0 0 3 0x14200 syncer update 21997 124383 0 0 3 0x14200 cleaner cleaner 48227 468217 0 0 3 0x14200 reaper reaper 64768 95973 0 0 3 0x14200 pgdaemon pagedaemon 10289 175323 0 0 3 0x14200 bored viomb 65866 464500 0 0 3 0x40014200 acpi0 acpi0 82506 199547 0 0 3 0x40014200 idle1 93135 119815 0 0 3 0x14200 bored softnet3 52087 86853 0 0 3 0x14200 bored softnet2 84952 459173 0 0 3 0x14200 bored softnet1 17449 139395 0 0 3 0x14200 bored softnet0 56385 411821 0 0 3 0x14200 bored systqmp 98360 361566 0 0 3 0x14200 bored systq 2794 134345 0 0 3 0x14200 tmoslp softclockmp 24379 34467 0 0 3 0x40014200 tmoslp softclock 88175 392766 0 0 3 0x40014200 idle0 1 248514 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 73656 (syz-executor) thread 0xffff8000fffefc58 (152724) shared rwlock vmmaplk r = 0 (0xfffffd806be3dda8) #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 (0xffffffff839d9e20) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:192 #2 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #3 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #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 exclusive rwlock sysctllk r = 0 (0xffffffff838012c8) #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 99021 (syz-executor) thread 0xffff8000ffff8cf0 (419457) exclusive rrwlock inode r = 0 (0xfffffd806bb471f8) #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 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cc84990) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 10958K 10966K 166960K 11295 0 pcb 17 14K 16K 166960K 19 0 rtable 232 6K 7K 166960K 368 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 33 0 iov 1 4K 16K 166960K 56 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1333 84K 84K 166960K 1418 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 26 97K 121K 166960K 470 0 sigio 0 0K 0K 166960K 7 0 proc 60 103K 115K 166960K 524 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 81 0 in_multi 99 7K 7K 166960K 127 0 ether_multi 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 442 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 247 74K 88K 166960K 5827 0 UVM aobj 22 2K 2K 166960K 24 0 pinsyscall 48 96K 110K 166960K 1500 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 39 0 NDP 11 0K 2K 166960K 27 0 temp 47 8645K 8713K 166960K 5226 0 kqueue 15 24K 28K 166960K 80 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 62 0 57 1 0 1 1 0 8 0 rtentry 112 116 0 7 4 0 4 4 0 8 0 unpcb 144 413 0 387 4 0 4 4 0 8 2 syncache 336 11 0 11 1 0 1 1 0 8 1 tcpqe 32 3 0 3 1 0 1 1 0 8 1 tcpcb 808 441 0 434 11 2 9 11 0 8 8 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 3 0 1 1 0 1 1 0 8 0 inpcb 376 1082 0 1070 20 10 10 15 0 8 8 nd6 136 29 0 6 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 479 0 27 30 0 30 30 0 8 1 art_table 32 480 0 27 4 0 4 4 0 8 0 art_node 16 115 0 16 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 21 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2051 0 547 95 0 95 95 0 8 0 ffsino 280 2051 0 547 108 0 108 108 0 8 0 nchpl 144 2742 0 1064 63 0 63 63 0 8 0 uvmvnodes 80 2132 0 0 44 0 44 44 0 8 0 vnodes 216 2132 0 0 119 0 119 119 0 8 0 namei 1024 9320 0 9320 1 0 1 1 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 8421 0 8421 3 2 1 2 1 8 1 plimitpl 152 212 0 187 2 0 2 2 0 8 0 sigapl 424 749 0 692 7 0 7 7 0 8 0 futexpl 64 4978 0 4972 1 0 1 1 0 8 0 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 216 219 0 206 5 2 3 5 0 8 2 pipepl 328 203 0 176 8 1 7 8 0 8 4 fdescpl 504 730 0 692 7 1 6 6 0 8 0 filepl 152 4959 0 4731 15 0 15 15 0 8 5 lockfpl 104 134 0 129 1 0 1 1 0 8 0 lockfspl 48 50 0 47 1 0 1 1 0 8 0 sessionpl 144 28 0 12 1 0 1 1 0 8 0 pgrppl 48 44 0 20 1 0 1 1 0 8 0 ucredpl 104 819 0 801 1 0 1 1 0 8 0 zombiepl 144 692 0 692 1 0 1 1 0 8 1 processpl 1176 749 0 692 5 0 5 5 0 8 0 procpl 656 1358 0 1291 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 688 1564 0 1521 19 7 12 15 0 8 7 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 118 0 0 15 0 15 15 0 8 0 mcl2k 2048 30 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 257 0 0 17 0 17 17 0 8 0 bufpl 280 2822 0 124 193 0 193 193 0 8 0 anonpl 24 143534 0 140160 47 0 47 47 0 184 17 amapchunkpl 152 19664 0 19099 38 0 38 38 0 158 15 amappl16 200 2577 0 2552 21 7 14 15 0 8 10 amappl15 192 8 0 7 1 0 1 1 0 8 0 amappl14 184 147 0 136 1 0 1 1 0 8 0 amappl13 176 6 0 5 1 0 1 1 0 8 0 amappl12 168 1334 0 1296 3 0 3 3 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 249 0 248 2 1 1 1 0 8 0 amappl8 136 41 0 40 1 0 1 1 0 8 0 amappl7 128 98 0 87 1 0 1 1 0 8 0 amappl6 120 182 0 177 1 0 1 1 0 8 0 amappl5 112 133 0 126 1 0 1 1 0 8 0 amappl4 104 316 0 302 1 0 1 1 0 8 0 amappl3 96 3462 0 3328 4 0 4 4 0 8 0 amappl2 88 678 0 620 2 0 2 2 0 8 0 amappl1 80 10098 0 9533 14 0 14 14 0 8 0 amappl 88 5443 0 5248 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 23 0 2 1 0 1 1 0 8 0 uaddrrnd 24 730 0 692 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 730 0 692 1 0 1 1 0 8 0 vmmpekpl 168 8344 0 8313 3 0 3 3 0 8 0 vmmpepl 168 52608 0 50583 101 0 101 101 0 357 7 vmsppl 456 729 0 692 7 1 6 6 0 8 0 rwobjpl 64 19856 0 16809 53 0 53 53 0 8 1 pdppl 4096 1468 0 1384 116 30 86 96 0 8 2 pvpl 32 14660 0 0 119 0 119 119 0 265 0 pmappl 248 729 0 692 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 307 0 35 8 0 8 8 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:438 panic(ffffffff834077f3) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be3dca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806be3dca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003c52d818,4,400000000100,ffff80003c52d848,0,c79d9f9d9fd18633,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c52d818,4,400000000100,ffff80003c52d848,0,c79d9f9d9fd18633,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c52d814,5,400000000100,ffff80003c52d848,0,37,7a3c59158c366c63) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffefc58,ffff80003c52d980,ffff80003c52d8d0) at sys_sysctl+0x425 syscall(ffff80003c52d980) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d980) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcfcc10b2c80, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029aabff0) 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(ffffffff839d9c18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839d9c18) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff839d9c18,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 biowait(fffffd806c7fab30) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd806c7fab30) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ufs_dirremove(fffffd806cebdcd8,fffffd806bb47158,800c,1) at ufs_dirremove+0x2ac sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80003c0e8a38) at ufs_rmdir+0x287 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffd806cebdcd8,fffffd8067989d88,ffff80003c0e8b18) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffff8cf0,ffffff9c,712e31621000,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1899 syscall(ffff80003c0e8c90) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c0e8c90) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80003c0e8d10, count: 0 ddb{1}> trace x86_ipi_db(ffff800029aabff0) 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(ffffffff839d9c18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839d9c18) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff839d9c18,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 biowait(fffffd806c7fab30) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd806c7fab30) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ufs_dirremove(fffffd806cebdcd8,fffffd806bb47158,800c,1) at ufs_dirremove+0x2ac sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80003c0e8a38) at ufs_rmdir+0x287 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffd806cebdcd8,fffffd8067989d88,ffff80003c0e8b18) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffff8cf0,ffffff9c,712e31621000,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1899 syscall(ffff80003c0e8c90) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c0e8c90) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x712e31620ff0, count: -15