uvm_fault(0xfffffd806ca007c0, 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 * 7374 72795 0 0 0x4000000 1K syz-executor 433351 91302 0 0x2 0 0 syz-executor ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000fffeefb0,ffff8000343e2e90,ffff8000343e2de0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000343e2e90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000343e2e90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7151bc079a0, 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(0xfffffd806ca007c0, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000fffeefb0,ffff8000343e2e90,ffff8000343e2de0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000343e2e90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000343e2e90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7151bc079a0, count: -5 ddb{1}> show registers rdi 0xffff8000fffeefb0 rsi 0xffffffffffffffff rbp 0xffff8000343e2ba0 rbx 0xfffffd80097fd6e8 rdx 0 rcx 0xffff8000fffeefb0 rax 0xffff8000299ddff0 r8 0xfffffd8069985a80 r9 0xfffffd80097fd6e8 r10 0x246bd45af4f8e601 r11 0x4f0d4afaaa83b4ac r12 0xffff8000fffeefb0 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0xa0c7df9f rip 0xffffffff827157f8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000343e2b20 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=7374 pid=72795 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=64, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffec7f0,0xffffffff839dd3d8 process=0xffff8000fffe84f0 user=0xffff8000343dd000, vmspace=0xfffffd806ca007c0 estcpu=29, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72795 155611 35786 0 2 0 syz-executor *72795 7374 35786 0 7 0x4000000 syz-executor 39973 101252 12226 0 2 0 syz-executor 39973 487922 12226 0 3 0x4000080 ttyout syz-executor 39973 333564 12226 0 3 0x4000080 fsleep syz-executor 39973 211089 12226 0 3 0x4000080 fsleep syz-executor 63506 147955 83302 0 2 0 syz-executor 63506 263870 83302 0 3 0x4000080 kqsel syz-executor 63506 109362 83302 0 3 0x4000080 fsleep syz-executor 35786 185334 33754 0 3 0x82 nanoslp syz-executor 74328 513630 33754 0 2 0x10000002 syz-executor 91302 433351 33754 0 7 0x2 syz-executor 12226 312068 33754 0 3 0x82 nanoslp syz-executor 83302 268426 33754 0 2 0x2 syz-executor 31889 165676 33754 0 2 0x2 syz-executor 85719 404763 33754 0 3 0x2 biowait syz-executor 11264 179561 33754 0 3 0x82 nanoslp syz-executor 33754 182079 83720 0 2 0x82 syz-executor 83720 234169 97221 0 3 0x10008a sigsusp ksh 97221 425131 45949 0 3 0x98 kqread sshd-session 45949 253826 56790 0 3 0x92 kqread sshd-session 12384 339618 1 0 3 0x100083 ttyopn getty 56790 478432 1 0 3 0x88 kqread sshd 83357 176158 8611 74 3 0x1100092 bpf pflogd 8611 372676 1 0 3 0x80 sbwait pflogd 96841 244275 40296 73 3 0x1100090 kqread syslogd 40296 414154 1 0 3 0x100082 sbwait syslogd 64531 506799 1 0 3 0x100080 kqread resolvd 91676 55224 49488 77 3 0x100092 kqread dhcpleased 46785 464050 49488 77 3 0x100092 kqread dhcpleased 49488 208117 1 0 3 0x80 kqread dhcpleased 29291 403393 0 0 3 0x14200 bored smr 77047 102182 0 0 2 0x14200 zerothread 59658 148847 0 0 3 0x14200 aiodoned aiodoned 13004 61795 0 0 3 0x14200 syncer update 83315 387596 0 0 3 0x14200 cleaner cleaner 52168 260986 0 0 3 0x14200 reaper reaper 24875 497073 0 0 3 0x14200 pgdaemon pagedaemon 4428 430821 0 0 3 0x14200 bored viomb 95343 79391 0 0 3 0x40014200 acpi0 acpi0 22663 389721 0 0 3 0x40014200 idle1 13127 120855 0 0 3 0x14200 bored softnet1 48689 31730 0 0 3 0x14200 bored softnet0 18572 173373 0 0 3 0x14200 bored systqmp 57921 80354 0 0 3 0x14200 bored systq 61278 476298 0 0 3 0x14200 tmoslp softclockmp 9548 86238 0 0 3 0x40014200 tmoslp softclock 32913 175158 0 0 3 0x40014200 idle0 1 313679 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 72795 (syz-executor) thread 0xffff8000fffeefb0 (7374) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838fcec8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 getblk+0x197 sys/kern/vfs_bio.c:1013 #4 bread+0x45 bio_doread sys/kern/vfs_bio.c:418 [inline] #4 bread+0x45 sys/kern/vfs_bio.c:463 #5 ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 #6 ufs_inactive+0x2e1 sys/ufs/ufs/ufs_inode.c:95 #7 VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 #8 vrele+0x129 sys/kern/vfs_subr.c:837 #9 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #10 ktrops+0x26c sys/kern/kern_ktrace.c:573 #11 doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] #11 doktrace+0x6bd sys/kern/kern_ktrace.c:517 #12 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 Process 91302 (syz-executor) thread 0xffff80002a261a08 (433351) exclusive rrwlock inode r = 0 (0xfffffd806ff7d558) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0x111 sys/kern/vfs_vnops.c:615 #6 fdrop+0x121 sys/kern/kern_descrip.c:1280 #7 closef+0x192 sys/kern/kern_descrip.c:1264 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 85719 (syz-executor) thread 0xffff8000ffffd760 (404763) exclusive rrwlock inode r = 0 (0xfffffd806c7c80e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ce857c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10277 11195K 11779K 166960K 12516 0 pcb 18 15K 16K 166960K 152 0 rtable 182 8K 9K 166960K 477 0 pf 36 18K 22K 166960K 124 0 ifaddr 35 5K 8K 166960K 83 0 ifgroup 55 2K 2K 166960K 125 0 sysctl 3 1K 9K 166960K 11 0 counters 70 37K 38K 166960K 224 0 ioctlops 0 0K 4K 166960K 1683 0 iov 1 1K 28K 166960K 93 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1589 100K 100K 166960K 2255 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 24 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 89K 166960K 619 0 sigio 0 0K 0K 166960K 142 0 proc 72 115K 164K 166960K 576 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 55 0 in_multi 69 4K 7K 166960K 124 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 448 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 223 151K 166K 166960K 7850 0 UVM aobj 16 4K 6K 166960K 17 0 pinsyscall 39 78K 102K 166960K 1801 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 12 0K 1K 166960K 52 0 temp 58 8675K 8748K 166960K 29207 0 kqueue 13 20K 28K 166960K 122 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 76 0 72 1 0 1 1 0 8 0 rtentry 176 129 0 60 6 0 6 6 0 8 0 unpcb 144 304 0 287 2 0 2 2 0 8 1 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 206 0 199 7 0 7 7 0 8 6 arp 136 21 0 7 1 0 1 1 0 8 0 inpcb 328 835 0 824 15 6 9 12 0 8 8 nd6 152 26 0 11 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 68 0 68 1 0 1 1 0 8 1 pppxif 1504 6 0 6 1 0 1 1 0 8 1 pffrag 232 8 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 1 1 0 1 1 0 8 0 pffrent 40 11 0 4 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 10 0 10 2 1 1 1 0 8 1 pfanchor 1288 4 0 4 2 1 1 1 0 8 1 pfstitem 24 59 0 3 1 0 1 1 0 8 0 pfstkey 128 59 0 3 2 0 2 2 0 8 0 pfstate 448 58 0 3 7 0 7 7 0 8 0 pfrule 1344 27 0 22 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 546 0 258 31 3 28 31 0 8 7 art_table 40 548 0 258 6 1 5 6 0 8 0 art_node 32 129 0 68 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2666 0 1160 96 0 96 96 0 8 0 ffsino 296 2666 0 1160 117 0 117 117 0 8 0 nchpl 144 3552 0 1848 64 0 64 64 0 8 0 rtmask 32 8 0 8 1 0 1 1 0 8 1 vnodes 216 3302 0 0 184 0 184 184 0 8 0 namei 1024 12430 0 12429 1 0 1 1 0 8 0 percpumem 16 127 0 77 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 2 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 3 2 1 1 1 0 8 1 kstatmem 264 76 0 48 3 0 3 3 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 15101 0 15100 5 4 1 4 1 8 0 plimitpl 152 323 0 302 1 0 1 1 0 8 0 sigapl 424 944 0 899 7 1 6 7 0 8 0 knotepl 120 360 0 0 11 0 11 11 0 8 0 kqueuepl 224 296 0 286 4 1 3 3 0 8 2 pipepl 344 215 0 188 5 0 5 5 0 8 2 fdescpl 528 927 0 899 3 0 3 3 0 8 0 filepl 160 6251 0 6024 22 3 19 22 0 8 7 lockfpl 104 182 0 179 1 0 1 1 0 8 0 lockfspl 48 82 0 79 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 39 0 22 1 0 1 1 0 8 0 ucredpl 104 1266 0 1252 1 0 1 1 0 8 0 zombiepl 144 901 0 899 1 0 1 1 0 8 0 processpl 1232 944 0 899 5 0 5 5 0 8 0 procpl 664 1803 0 1752 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 1231 0 1198 19 7 12 16 0 8 7 mcl64k 65536 7 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 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 196 0 0 13 0 13 13 0 8 0 bufpl 280 5669 0 129 396 0 396 396 0 8 0 anonpl 32 9904 0 0 80 0 80 80 0 246 0 amapchunkpl 152 25192 0 24773 31 2 29 30 0 158 6 amappl16 200 3075 0 3043 20 5 15 15 0 8 11 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 17 0 17 2 2 0 1 0 8 0 amappl13 176 442 0 441 1 0 1 1 0 8 0 amappl12 168 1310 0 1271 3 0 3 3 0 8 0 amappl11 160 20 0 20 2 2 0 1 0 8 0 amappl10 152 49 0 34 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 35 0 32 1 0 1 1 0 8 0 amappl7 128 85 0 84 1 0 1 1 0 8 0 amappl6 120 353 0 340 1 0 1 1 0 8 0 amappl5 112 101 0 91 1 0 1 1 0 8 0 amappl4 104 457 0 425 1 0 1 1 0 8 0 amappl3 96 4728 0 4636 5 1 4 4 0 8 0 amappl2 88 573 0 513 2 0 2 2 0 8 0 amappl1 80 11917 0 11337 15 0 15 15 0 8 1 amappl 88 6977 0 6831 5 0 5 5 0 92 0 uvmvnodes 80 127 0 0 3 0 3 3 0 8 0 dma4096 4096 2 0 2 2 1 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 dma128 128 255 0 255 2 1 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 16 0 1 1 0 1 1 0 8 0 uaddrrnd 24 927 0 899 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 927 0 899 1 0 1 1 0 8 0 vmmpekpl 168 9569 0 9534 3 0 3 3 0 8 0 vmmpepl 168 66540 0 64772 104 0 104 104 0 357 8 vmsppl 488 926 0 899 5 0 5 5 0 8 1 rwobjpl 80 20775 0 19727 31 1 30 30 0 8 1 pdppl 4096 1865 0 1801 111 39 72 83 0 8 8 pvpl 32 15544 0 0 127 1 126 126 0 265 0 pmappl 256 928 0 900 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 302 0 45 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8389fff0) 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(ffffffff838fccc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff838fccc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff838fccc0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 getblk(fffffd800b07b870,1fa5e0,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1013 bread(fffffd800b07b870,1fa5e0,4000,ffff80002a3882c0) at bread+0x45 bio_doread sys/kern/vfs_bio.c:418 [inline] bread(fffffd800b07b870,1fa5e0,4000,ffff80002a3882c0) at bread+0x45 sys/kern/vfs_bio.c:463 ffs_update(fffffd806ff7d4b8,0) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff80002a388380) at ufs_inactive+0x2e1 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd8069985d08,ffff80002a261a08) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8069985d08) at vput+0xe5 sys/kern/vfs_subr.c:789 vn_closefile(fffffd806ca4d900,ffff80002a261a08) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd806ca4d900,ffff80002a261a08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 end trace frame: 0xffff80002a388510, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8389fff0) 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(ffffffff838fccc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff838fccc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff838fccc0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 getblk(fffffd800b07b870,1fa5e0,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1013 bread(fffffd800b07b870,1fa5e0,4000,ffff80002a3882c0) at bread+0x45 bio_doread sys/kern/vfs_bio.c:418 [inline] bread(fffffd800b07b870,1fa5e0,4000,ffff80002a3882c0) at bread+0x45 sys/kern/vfs_bio.c:463 ffs_update(fffffd806ff7d4b8,0) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff80002a388380) at ufs_inactive+0x2e1 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd8069985d08,ffff80002a261a08) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8069985d08) at vput+0xe5 sys/kern/vfs_subr.c:789 vn_closefile(fffffd806ca4d900,ffff80002a261a08) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd806ca4d900,ffff80002a261a08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806ca4d900,ffff80002a261a08) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80002a3885f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3885f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78eba2a50510, count: -17 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000fffeefb0,ffff8000343e2e90,ffff8000343e2de0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000343e2e90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000343e2e90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7151bc079a0, count: 10 ddb{1}> trace ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000fffeefb0,ffffffffffffffff,0,a0c7df9f,fffffd8069985a80,fffffd80097fd6e8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8069985a80,4,20c7df9f,0,ffff8000fffeefb0) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000fffeefb0,ffff8000343e2e90,ffff8000343e2de0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000343e2e90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000343e2e90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7151bc079a0, count: -5