uvm_fault(0xfffffd806bdd71b8, 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 113266 19335 0 0 0 0 syz-executor *229045 82645 0 0 0x4000000 1K syz-executor ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff71d8,ffff80002a1048f0,ffff80002a104840) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a1048f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a1048f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbeb241d40c0, 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(0xfffffd806bdd71b8, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff71d8,ffff80002a1048f0,ffff80002a104840) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a1048f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a1048f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbeb241d40c0, count: -5 ddb{1}> show registers rdi 0xffff8000ffff71d8 rsi 0xffffffffffffffff rbp 0xffff80002a104610 rbx 0xfffffd807f7d3208 rdx 0 rcx 0xffff8000ffff71d8 rax 0xffff800029b7bff0 r8 0xfffffd8078e13bf0 r9 0xfffffd807f7d3208 r10 0x509964f4f52f35cf r11 0x478f48e20ff18b13 r12 0xffff8000ffff71d8 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000112 __kernel_virt_to_phys+0x112 rip 0xffffffff82191238 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a104590 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=229045 pid=82645 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=84, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6530,0xffff8000ffff67c8 process=0xffff800036ba9fd8 user=0xffff80002a0ff000, vmspace=0xfffffd806bdd71b8 estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19335 113266 33973 0 7 0 syz-executor 19335 360956 33973 0 2 0x4000000 syz-executor 59473 356256 21368 0 3 0x80 nanoslp syz-executor 59473 9615 21368 0 3 0x4000080 ttyout syz-executor 59473 148848 21368 0 3 0x4000080 fsleep syz-executor 59473 280080 21368 0 3 0x4000080 ttyout syz-executor 61838 389787 86268 0 2 0 syz-executor 61838 217723 86268 0 3 0x4000080 fsleep syz-executor 82645 134798 72346 0 2 0 syz-executor *82645 229045 72346 0 7 0x4000000 syz-executor 8582 459592 40796 0 2 0 syz-executor 8582 277419 40796 0 3 0x4000080 fsleep syz-executor 50629 503851 56808 0 2 0 syz-executor 50629 211158 56808 0 3 0x4000080 fsleep syz-executor 50629 459736 56808 0 3 0x4000080 fsleep syz-executor 40796 139827 5586 0 3 0x82 nanoslp syz-executor 66188 500845 5586 0 3 0x2 biowait syz-executor 56808 293493 5586 0 3 0x82 nanoslp syz-executor 84605 318122 5586 0 2 0x2 syz-executor 86268 295333 5586 0 3 0x82 nanoslp syz-executor 21368 66418 5586 0 3 0x82 nanoslp syz-executor 33973 195183 5586 0 3 0x82 nanoslp syz-executor 72346 509114 5586 0 3 0x82 nanoslp syz-executor 61706 23091 0 0 3 0x14200 acct acct 99461 168589 0 0 3 0x14280 nfsidl nfsio 93333 201571 0 0 3 0x14280 nfsidl nfsio 48770 289636 0 0 3 0x14280 nfsidl nfsio 11898 325523 0 0 3 0x14280 nfsidl nfsio 40920 46128 0 0 3 0x14280 nfsidl nfsio 70964 368438 0 0 3 0x14280 nfsidl nfsio 79670 18938 0 0 3 0x14280 nfsidl nfsio 85849 83217 0 0 3 0x14280 nfsidl nfsio 87313 98908 0 0 3 0x14280 nfsidl nfsio 13264 59319 0 0 3 0x14280 nfsidl nfsio 51508 126331 0 0 3 0x14280 nfsidl nfsio 82246 101969 0 0 3 0x14280 nfsidl nfsio 80218 65567 0 0 3 0x14280 nfsidl nfsio 64623 176489 0 0 3 0x14280 nfsidl nfsio 9434 379750 0 0 3 0x14280 nfsidl nfsio 74171 262578 0 0 3 0x14280 nfsidl nfsio 35220 486208 0 0 3 0x14280 nfsidl nfsio 34779 44923 0 0 3 0x14280 nfsidl nfsio 33497 266526 0 0 3 0x14280 nfsidl nfsio 48814 184133 0 0 3 0x14280 nfsidl nfsio 29990 514024 1 0 3 0x100083 ttyin getty 39469 435712 0 0 3 0x14200 bored sosplice 5586 20678 49341 0 3 0x82 kqread syz-executor 49341 489453 98532 0 3 0x10008a sigsusp ksh 98532 262986 79045 0 3 0x98 kqread sshd-session 79045 206107 15868 0 3 0x92 kqread sshd-session 15868 485219 1 0 3 0x88 kqread sshd 42300 332351 14153 74 3 0x1100092 bpf pflogd 14153 376294 1 0 3 0x80 sbwait pflogd 84437 427217 24891 73 2 0x1100010 syslogd 24891 251154 1 0 3 0x100082 sbwait syslogd 80021 107564 1 0 3 0x100080 kqread resolvd 7982 8030 38537 77 3 0x100092 kqread dhcpleased 92154 502751 38537 77 3 0x100092 kqread dhcpleased 38537 412574 1 0 3 0x80 kqread dhcpleased 53678 236150 0 0 3 0x14200 bored smr 48215 420387 0 0 2 0x14200 zerothread 52458 245642 0 0 3 0x14200 aiodoned aiodoned 71667 392810 0 0 3 0x14200 syncer update 30102 486764 0 0 3 0x14200 cleaner cleaner 97139 472593 0 0 3 0x14200 reaper reaper 99918 167872 0 0 3 0x14200 pgdaemon pagedaemon 73711 13650 0 0 3 0x14200 bored viomb 73244 324541 0 0 3 0x40014200 acpi0 acpi0 67582 73460 0 0 3 0x40014200 idle1 3828 172720 0 0 3 0x14200 bored softnet3 44837 431859 0 0 3 0x14200 bored softnet2 58275 227015 0 0 3 0x14200 bored softnet1 45870 363098 0 0 3 0x14200 bored softnet0 80970 263077 0 0 3 0x14200 bored systqmp 91091 453812 0 0 3 0x14200 bored systq 47227 5901 0 0 3 0x14200 tmoslp softclockmp 53806 25633 0 0 3 0x40014200 tmoslp softclock 99186 241828 0 0 3 0x40014200 idle0 1 46830 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 82645 (syz-executor) thread 0xffff8000ffff71d8 (229045) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835d4678) #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+0x21e sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0xcb6 #8 ufs_inactive+0x203 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:824 #11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #12 ktrops+0x271 sys/kern/kern_ktrace.c:564 #13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] #13 doktrace+0x6dd sys/kern/kern_ktrace.c:508 #14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 #15 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #15 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 66188 (syz-executor) thread 0xffff8000ffff6cc8 (500845) exclusive rrwlock inode r = 0 (0xfffffd805eb06098) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #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:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8076b98e70) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #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:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10222 11120K 11502K 166960K 12262 0 pcb 17 16K 18K 166960K 180 0 rtable 242 8K 8K 166960K 1651 0 pf 35 17K 21K 166960K 163 0 ifaddr 44 8K 8K 166960K 223 0 ifgroup 55 2K 2K 166960K 244 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 166 0 ioctlops 0 0K 4K 166960K 1580 0 iov 0 0K 16K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1401 88K 88K 166960K 2555 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 11 0K 0K 166960K 67 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 89K 166960K 1498 0 sigio 0 0K 0K 166960K 21 0 proc 72 91K 140K 166960K 1713 0 subproc 104 6K 6K 166960K 625 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 156 0 in_multi 103 7K 7K 166960K 577 0 ether_multi 1 0K 0K 166960K 10 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 1023 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 228 72K 91K 166960K 13139 0 UVM aobj 126 8K 8K 166960K 132 0 pinsyscall 41 82K 103K 166960K 3656 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 35 0 NDP 12 0K 2K 166960K 161 0 temp 58 6819K 6947K 166960K 78199 0 kqueue 13 20K 29K 166960K 141 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 120 193 0 189 2 1 1 2 0 8 0 rtentry 112 582 0 471 4 0 4 4 0 8 0 unpcb 144 737 0 720 8 7 1 6 0 8 0 syncache 336 10 0 10 6 5 1 1 0 8 1 tcpqe 32 1 2 1 1 1 0 1 0 8 0 tcpcb 808 238 0 232 6 5 1 4 0 8 0 arp 120 106 0 88 1 0 1 1 0 8 0 inpcb 336 1382 0 1370 25 23 2 12 0 8 0 nd6 136 150 0 126 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 1 1 1 0 8 1 kcovpl 48 48 0 40 1 0 1 1 0 8 0 ppxss 1168 8 0 8 6 5 1 1 0 8 1 pffrag 232 5 0 4 1 0 1 1 0 482 0 pffrnode 88 4 0 3 1 0 1 1 0 8 0 pffrent 40 8 0 7 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 110 0 81 1 0 1 1 0 8 0 pfstkey 128 112 0 83 2 0 2 2 0 8 0 pfstate 376 110 0 82 6 0 6 6 0 8 0 pfrule 1344 24 0 18 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 2294 0 1833 31 2 29 31 0 8 0 art_table 32 2296 0 1833 4 0 4 4 0 8 0 art_node 16 581 0 480 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 9 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 61 0 52 1 0 1 1 0 8 0 shmpl 112 129 0 6 4 0 4 4 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 3109 0 1524 100 0 100 100 0 8 0 ffsino 272 3109 0 1524 107 1 106 106 0 8 0 nchpl 144 4433 0 2699 65 0 65 65 0 8 0 uvmvnodes 80 4055 0 0 83 0 83 83 0 8 0 vnodes 216 4055 0 0 226 0 226 226 0 8 0 namei 1024 19198 0 19197 5 4 1 2 0 8 0 percpumem 16 97 0 51 1 0 1 1 0 8 0 kstatmem 264 126 0 102 2 0 2 2 0 8 0 scsiplug 72 3 0 3 3 2 1 1 0 8 1 scxspl 216 28764 0 28763 12 11 1 8 1 8 0 plimitpl 152 420 0 401 1 0 1 1 0 8 0 sigapl 424 1752 0 1682 11 2 9 9 0 8 0 futexpl 64 11611 0 11606 4 3 1 1 0 8 0 knotepl 120 568 0 0 17 0 17 17 0 8 0 kqueuepl 216 243 0 234 3 2 1 3 0 8 0 pipepl 320 437 0 410 13 10 3 8 0 8 0 fdescpl 496 1709 0 1679 6 1 5 5 0 8 0 filepl 152 9821 0 9570 42 29 13 21 0 8 2 lockfpl 104 653 0 650 2 1 1 2 0 8 0 lockfspl 48 180 0 177 1 0 1 1 0 8 0 sessionpl 144 70 0 61 1 0 1 1 0 8 0 pgrppl 48 124 0 107 1 0 1 1 0 8 0 ucredpl 104 1524 0 1511 1 0 1 1 0 8 0 zombiepl 144 1682 0 1682 1 0 1 1 0 8 1 processpl 1160 1752 0 1682 7 1 6 6 0 8 0 procpl 648 3082 0 3003 10 2 8 8 0 8 0 srpgc 96 11 0 11 2 2 0 1 0 8 0 sosppl 168 2 0 2 2 1 1 1 0 8 1 sockpl 664 2366 0 2333 37 33 4 14 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 155 0 0 18 0 18 18 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 450 0 0 28 0 28 28 0 8 0 bufpl 280 8400 0 1910 464 0 464 464 0 8 0 anonpl 24 273990 0 270635 86 35 51 52 0 185 22 amapchunkpl 152 42437 0 41961 53 21 32 34 0 158 10 amappl16 200 4919 0 4903 12 11 1 6 0 8 0 amappl15 192 6 0 5 1 0 1 1 0 8 0 amappl14 184 207 0 195 1 0 1 1 0 8 0 amappl13 176 57 0 57 1 1 0 1 0 8 0 amappl12 168 3036 0 3006 4 2 2 3 0 8 0 amappl11 160 68 0 54 1 0 1 1 0 8 0 amappl10 152 38 0 38 1 1 0 1 0 8 0 amappl9 144 137 0 137 1 1 0 1 0 8 0 amappl8 136 42 0 40 1 0 1 1 0 8 0 amappl7 128 195 0 183 1 0 1 1 0 8 0 amappl6 120 567 0 565 1 0 1 1 0 8 0 amappl5 112 305 0 293 1 0 1 1 0 8 0 amappl4 104 474 0 454 1 0 1 1 0 8 0 amappl3 96 8281 0 8172 5 1 4 4 0 8 1 amappl2 88 1316 0 1248 2 0 2 2 0 8 0 amappl1 80 15836 0 15269 16 2 14 14 0 8 0 amappl 88 12379 0 12213 5 0 5 5 0 92 0 dma65536 65536 3 0 3 2 2 0 1 0 8 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 131 0 6 3 0 3 3 0 8 0 uaddrrnd 24 1709 0 1679 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1709 0 1679 1 0 1 1 0 8 0 vmmpekpl 168 16122 0 16064 3 0 3 3 0 8 0 vmmpepl 168 112176 0 110384 114 24 90 91 0 357 5 vmsppl 440 1708 0 1679 6 2 4 5 0 8 0 rwobjpl 56 37752 0 32654 75 1 74 74 0 8 0 pdppl 4096 3425 0 3358 175 104 71 83 0 8 4 pvpl 32 28286 0 0 229 1 228 228 0 265 0 pmappl 248 1708 0 1679 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 525 0 154 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834eeff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835d4470) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835d4470) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a14e990,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x746456452ea0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff834eeff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835d4470) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835d4470) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a14e990,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x746456452ea0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff71d8,ffff80002a1048f0,ffff80002a104840) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a1048f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a1048f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbeb241d40c0, count: 10 ddb{1}> trace ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff71d8,ffffffffffffffff,0,80000112,fffffd8078e13bf0,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078e13bf0,4,112,0,ffff8000ffff71d8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff71d8,ffff80002a1048f0,ffff80002a104840) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a1048f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a1048f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbeb241d40c0, count: -5