uvm_fault(0xfffffd806850c908, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *128920 318 0 0 0x4000000 1K syz-executor.6 133855 33833 0 0x2 0 0 syz-executor.2 ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffff4a70,ffff80002a4da880,ffff80002a4da7d0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002a4da880) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a4da880) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd19f2828e00, count: 10 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(0xfffffd806850c908, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffff4a70,ffff80002a4da880,ffff80002a4da7d0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002a4da880) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a4da880) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd19f2828e00, count: -5 ddb{1}> show registers rdi 0xffff8000ffff4a70 rsi 0xffffffffffffffff rbp 0xffff80002a4da5a0 rbx 0xfffffd807f7d3068 rdx 0 rcx 0x80001024 __kernel_virt_to_phys+0x1024 rax 0x1 r8 0xfffffd806bce5be0 r9 0xfffffd807f7d3068 r10 0x7f5249b42af6f3f5 r11 0xd3516628970fea4e r12 0xffff8000ffff4a70 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80001024 __kernel_virt_to_phys+0x1024 rip 0xffffffff82d3b758 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a4da520 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor.6) tid=128920 pid=318 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=58, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff4550,0xffff8000ffff47f0 process=0xffff8000ffff0df0 user=0xffff80002a4d5000, vmspace=0xfffffd806850c908 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 60248 55313 74878 0 2 0 syz-executor.4 318 385738 66313 0 2 0 syz-executor.6 * 318 128920 66313 0 7 0x4000000 syz-executor.6 60977 220614 95161 0 2 0 syz-executor.1 60977 409318 95161 0 2 0x4000000 syz-executor.1 18989 217917 88948 0 2 0 syz-executor.0 18989 491231 88948 0 3 0x4000080 fsleep syz-executor.0 34631 383051 44597 0 3 0x10000082 nanoslp syz-executor.3 88948 476746 44597 0 2 0x482 syz-executor.0 76888 178556 44597 0 3 0x2 biowait syz-executor.7 98253 10188 44597 0 3 0x2 biowait syz-executor.5 74878 241284 44597 0 3 0x82 nanoslp syz-executor.4 66313 451860 44597 0 3 0x82 nanoslp syz-executor.6 95161 193516 44597 0 2 0x482 syz-executor.1 33833 133855 44597 0 7 0x2 syz-executor.2 44597 520290 75158 0 3 0x82 thrsleep syz-execprog 44597 46898 75158 0 2 0x4000482 syz-execprog 44597 191218 75158 0 3 0x4000082 wait syz-execprog 44597 368901 75158 0 3 0x4000082 wait syz-execprog 44597 248411 75158 0 3 0x4000082 thrsleep syz-execprog 44597 470983 75158 0 3 0x4000082 wait syz-execprog 44597 22079 75158 0 3 0x4000082 wait syz-execprog 44597 59377 75158 0 3 0x4000082 wait syz-execprog 44597 18331 75158 0 3 0x4000082 wait syz-execprog 44597 54698 75158 0 3 0x4000082 wait syz-execprog 44597 203493 75158 0 3 0x4000082 thrsleep syz-execprog 44597 138901 75158 0 2 0x4000002 syz-execprog 44597 155136 75158 0 3 0x4000082 wait syz-execprog 44597 32844 75158 0 2 0x4000002 syz-execprog 44597 331680 75158 0 3 0x4000082 thrsleep syz-execprog 75158 271291 72187 0 3 0x10008a sigsusp ksh 72187 188362 8695 0 3 0x98 kqread sshd-session 8695 271799 81647 0 3 0x92 kqread sshd-session 81486 268642 1 0 3 0x100083 ttyin getty 81647 389073 1 0 3 0x88 kqread sshd 4503 263774 2220 74 3 0x1100092 bpf pflogd 2220 360600 1 0 3 0x80 sbwait pflogd 5353 293460 75250 73 3 0x1100090 kqread syslogd 75250 55447 1 0 3 0x100082 sbwait syslogd 48336 417547 1 0 3 0x100080 kqread resolvd 79357 82631 56974 77 3 0x100092 kqread dhcpleased 79097 303818 56974 77 3 0x100092 kqread dhcpleased 56974 507245 1 0 3 0x80 kqread dhcpleased 37950 378648 0 0 3 0x14200 bored smr 39126 416378 0 0 3 0x14200 pgzero zerothread 59488 19982 0 0 3 0x14200 aiodoned aiodoned 36013 377943 0 0 3 0x14200 syncer update 58864 308183 0 0 3 0x14200 cleaner cleaner 88347 336030 0 0 3 0x14200 reaper reaper 30479 488946 0 0 3 0x14200 pgdaemon pagedaemon 45232 62466 0 0 3 0x14200 bored viomb 8527 485826 0 0 3 0x40014200 acpi0 acpi0 5094 175974 0 0 3 0x40014200 idle1 82382 516149 0 0 3 0x14200 bored softnet3 88783 237965 0 0 3 0x14200 bored softnet2 46047 204345 0 0 3 0x14200 bored softnet1 20952 347224 0 0 3 0x14200 bored softnet0 59051 379576 0 0 3 0x14200 bored systqmp 55834 134034 0 0 3 0x14200 bored systq 79146 437891 0 0 3 0x14200 tmoslp softclockmp 53946 316406 0 0 3 0x40014200 tmoslp softclock 18013 22983 0 0 3 0x40014200 idle0 1 114109 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 318 (syz-executor.6) thread 0xffff8000ffff4a70 (128920) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839636e0) #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:412 #4 biowait+0xc1 sys/kern/vfs_bio.c:1246 #5 bwrite+0x2e5 sys/kern/vfs_bio.c:758 #6 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0xcb6 #8 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84 #9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #10 vrele+0x129 sys/kern/vfs_subr.c:845 #11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #12 ktrops+0x271 sys/kern/kern_ktrace.c:573 #13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] #13 doktrace+0x6dd sys/kern/kern_ktrace.c:517 #14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 #15 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 76888 (syz-executor.7) thread 0xffff80002a2f9c38 (178556) exclusive rrwlock inode r = 0 (0xfffffd80676d0630) #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 (0xfffffd8067a5d0a8) #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 Process 98253 (syz-executor.5) thread 0xffff80002a2f9718 (10188) exclusive rrwlock inode r = 0 (0xfffffd80676d02e8) #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 (0xfffffd8067a5da80) #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 10184 11020K 11020K 166960K 11266 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 378 0 pf 34 17K 18K 166960K 48 0 ifaddr 43 7K 7K 166960K 49 0 ifgroup 55 2K 2K 166960K 60 0 sysctl 1 1K 1K 166960K 1 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1484 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1262 79K 80K 166960K 1281 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 89K 166960K 183 0 proc 69 91K 115K 166960K 556 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 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 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 432 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 256 171K 224K 166960K 4680 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 40 80K 112K 166960K 1582 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 28 2K 2K 166960K 31 0 temp 1 8672K 8736K 166960K 5104 0 kqueue 13 20K 20K 166960K 46 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 32 1 0 1 1 0 8 0 rtentry 168 122 0 12 6 1 5 5 0 8 0 unpcb 144 131 0 114 1 0 1 1 0 8 0 syncache 336 9 0 9 2 1 1 1 0 8 1 tcpcb 808 12 0 9 1 0 1 1 0 8 0 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 376 73 0 67 1 0 1 1 0 8 0 nd6 136 27 0 3 2 1 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 24 0 4 1 0 1 1 0 8 0 pfstkey 128 24 0 4 1 0 1 1 0 8 0 pfstate 376 24 0 4 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 256 501 0 48 32 3 29 29 0 8 0 art_table 32 502 0 48 5 1 4 4 0 8 0 art_node 16 121 0 21 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1676 0 132 97 0 97 97 0 8 0 ffsino 280 1676 0 132 112 1 111 111 0 8 0 nchpl 144 2019 0 230 68 1 67 67 0 8 0 uvmvnodes 80 1690 0 0 35 0 35 35 0 8 0 vnodes 216 1690 0 0 94 0 94 94 0 8 0 namei 1024 8180 0 8179 4 2 2 2 0 8 1 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 26 0 2 2 0 2 2 0 8 0 scxspl 216 9424 0 9422 10 9 1 8 1 8 0 plimitpl 152 59 0 42 1 0 1 1 0 8 0 sigapl 424 540 0 493 8 1 7 7 0 8 1 futexpl 64 187 0 186 2 1 1 1 0 8 0 knotepl 120 109 0 0 4 0 4 4 0 8 0 kqueuepl 216 42 0 33 1 0 1 1 0 8 0 pipepl 328 187 0 159 5 2 3 3 0 8 0 fdescpl 504 522 0 494 6 1 5 5 0 8 0 filepl 152 2429 0 2289 7 1 6 6 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 35 0 18 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 152 0 139 1 0 1 1 0 8 0 zombiepl 144 494 0 493 2 1 1 1 0 8 0 processpl 1176 540 0 493 6 1 5 5 0 8 0 procpl 656 598 0 534 7 1 6 6 0 8 0 sockpl 688 239 0 213 4 1 3 3 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 163 0 0 19 0 19 19 0 8 0 mcl2k 2048 12 0 0 2 0 2 2 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 176 0 0 10 0 10 10 0 8 0 bufpl 280 4527 0 218 308 0 308 308 0 8 0 anonpl 24 204614 0 200438 62 14 48 55 0 184 17 amapchunkpl 152 14652 0 14092 39 13 26 28 0 158 2 amappl16 200 4144 0 4075 9 5 4 5 0 8 0 amappl15 192 9 0 9 2 2 0 1 0 8 0 amappl14 184 217 0 204 3 1 2 2 0 8 1 amappl13 176 45 0 45 2 2 0 1 0 8 0 amappl12 168 1256 0 1224 5 2 3 3 0 8 0 amappl11 160 61 0 46 1 0 1 1 0 8 0 amappl10 152 69 0 58 3 2 1 1 0 8 0 amappl9 144 972 0 972 3 2 1 1 0 8 1 amappl8 136 198 0 165 2 0 2 2 0 8 0 amappl7 128 226 0 206 3 1 2 2 0 8 0 amappl6 120 338 0 332 3 2 1 2 0 8 0 amappl5 112 200 0 191 1 0 1 1 0 8 0 amappl4 104 566 0 542 3 1 2 2 0 8 1 amappl3 96 1652 0 1572 5 2 3 3 0 8 0 amappl2 88 1116 0 1038 6 2 4 4 0 8 1 amappl1 80 16409 0 15790 35 13 22 24 0 8 7 amappl 88 3526 0 3368 7 3 4 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 24 522 0 494 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 522 0 494 1 0 1 1 0 8 0 vmmpekpl 168 12140 0 12095 3 0 3 3 0 8 0 vmmpepl 168 63435 0 61529 138 15 123 128 0 357 33 vmsppl 456 521 0 494 6 1 5 5 0 8 0 rwobjpl 64 25762 0 23055 66 13 53 55 0 8 2 pdppl 4096 1051 0 988 123 40 83 83 0 8 20 pvpl 32 47994 0 0 389 1 388 388 0 265 0 pmappl 248 521 0 494 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 304 0 49 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83856ff0) 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(ffffffff839634d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839634d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3ca890,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839634d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839634d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 doopenat(ffff8000ffff7c58,ffffff9c,74c5a637b4b0,30000,0,ffff80002a3cabe0) at doopenat+0x314 sys/kern/vfs_syscalls.c:1139 syscall(ffff80002a3cac90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3cac90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74c5a637afb0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83856ff0) 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(ffffffff839634d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839634d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3ca890,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839634d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839634d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 doopenat(ffff8000ffff7c58,ffffff9c,74c5a637b4b0,30000,0,ffff80002a3cabe0) at doopenat+0x314 sys/kern/vfs_syscalls.c:1139 syscall(ffff80002a3cac90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3cac90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74c5a637afb0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffff4a70,ffff80002a4da880,ffff80002a4da7d0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002a4da880) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a4da880) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd19f2828e00, count: 10 ddb{1}> trace ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffff4a70,ffffffffffffffff,0,80001024,fffffd806bce5be0,fffffd807f7d3068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806bce5be0,4,1024,0,ffff8000ffff4a70) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffff4a70,ffff80002a4da880,ffff80002a4da7d0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002a4da880) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a4da880) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd19f2828e00, count: -5