uvm_fault(0xfffffd806b971018, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 TID PID UID PRFLAGS PFLAGS CPU COMMAND 174388 86810 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff800001494000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c42d270) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805da5f9a8,81,fffffd80097fb270,ffff80003c449738) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805d991238,ffff80003c449738) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805d991238,ffff80003c449738) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c449738) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c449738,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80003c449738,ffff80003c42d5e0,ffff80003c42d530) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42d5e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d5e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7195ec35ab40, count: 3 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(0xfffffd806b971018, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001494000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c42d270) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805da5f9a8,81,fffffd80097fb270,ffff80003c449738) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805d991238,ffff80003c449738) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805d991238,ffff80003c449738) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c449738) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c449738,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80003c449738,ffff80003c42d5e0,ffff80003c42d530) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42d5e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d5e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7195ec35ab40, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c42d1a0 rbx 0xffffffff82806290 dtclose rdx 0 rcx 0xffff80003c449738 rax 0xffffffff83878e68 dt_prov_syscall r8 0xffffffffffffffff r9 0x1 r10 0xddd8a6db371dd9ab r11 0xef2b8c590c7d6591 r12 0xffff80000006ca80 r13 0 r14 0 r15 0xffff800001538e00 rip 0xffffffff82806670 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c42d170 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{1}> show proc PROC (syz-executor) tid=457119 pid=76382 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c449738 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4447e0,0xffff80003c448038 process=0xffff80003c417aa0 user=0xffff80003c428000, vmspace=0xfffffd806b971018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86810 174388 76234 0 7 0 syz-executor 82435 211112 90210 0 2 0 syz-executor 82435 73149 90210 0 3 0x4000080 fsleep syz-executor 17207 37415 8218 0 3 0x3000 suspend syz-executor 17207 10504 8218 0 3 0x4081000 biowait syz-executor 17207 360870 8218 0 3 0x4081000 inode syz-executor 81917 220955 0 0 3 0x14200 bored sosplice 76234 152357 90107 0 3 0x82 nanoslp syz-executor 50988 234328 90107 0 3 0x2 biowait syz-executor 4645 215335 90107 0 3 0x82 wait syz-executor 12831 267137 90107 0 3 0x82 nanoslp syz-executor 36071 90476 90107 0 3 0x2 biowait syz-executor 8218 324745 90107 0 3 0x82 nanoslp syz-executor 6490 378352 90107 0 3 0x82 nanoslp syz-executor 90210 199342 90107 0 3 0x82 nanoslp syz-executor 90107 138930 21116 0 3 0x82 kqread syz-executor 21116 51975 70955 0 3 0x10008a sigsusp ksh 70955 166507 70018 0 3 0x98 kqread sshd-session 70018 37457 70848 0 3 0x92 kqread sshd-session 85703 59950 1 0 3 0x100083 ttyopn getty 70848 18353 1 0 3 0x88 kqread sshd 42092 709 96643 74 3 0x1100092 bpf pflogd 96643 43262 1 0 3 0x80 sbwait pflogd 23318 483199 56445 73 3 0x1100090 kqread syslogd 56445 449410 1 0 3 0x100082 sbwait syslogd 66980 499987 1 0 3 0x100080 kqread resolvd 33391 214189 58612 77 3 0x100092 kqread dhcpleased 27892 389191 58612 77 3 0x100092 kqread dhcpleased 58612 114034 1 0 3 0x80 kqread dhcpleased 32833 444262 0 0 3 0x14200 bored smr 75541 375784 0 0 3 0x14200 pgzero zerothread 32138 114619 0 0 3 0x14200 aiodoned aiodoned 51476 127655 0 0 3 0x14200 syncer update 71939 307233 0 0 3 0x14200 cleaner cleaner 82133 268509 0 0 3 0x14200 reaper reaper 65200 541 0 0 3 0x14200 pgdaemon pagedaemon 92381 411480 0 0 3 0x14200 bored viomb 66864 10222 0 0 3 0x40014200 acpi0 acpi0 45010 301818 0 0 3 0x40014200 idle1 91675 131018 0 0 3 0x14200 bored softnet7 30445 159964 0 0 3 0x14200 bored softnet6 44616 398812 0 0 3 0x14200 bored softnet5 65877 486426 0 0 3 0x14200 bored softnet4 62398 168205 0 0 3 0x14200 bored softnet3 31122 487467 0 0 3 0x14200 bored softnet2 49551 480858 0 0 3 0x14200 bored softnet1 63600 225987 0 0 3 0x14200 bored softnet0 26485 463367 0 0 3 0x14200 bored systqmp 67157 140140 0 0 3 0x14200 bored systq 3050 335146 0 0 3 0x14200 tmoslp softclockmp 25420 176121 0 0 3 0x40014200 tmoslp softclock 64753 88058 0 0 3 0x40014200 idle0 1 217435 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 86810 (syz-executor) thread 0xffff80003c449c58 (174388) exclusive rwlock amaplk r = 0 (0xfffffd806c171118) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 uvm_fault_check+0x5a9 sys/uvm/uvm_fault.c:862 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806b971300) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:412 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 #7 recall_trap+0x8 Process 17207 (syz-executor) thread 0xffff80003c448cf8 (10504) exclusive rrwlock inode r = 0 (0xfffffd806b938330) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 17207 (syz-executor) thread 0xffff80003c445220 (360870) exclusive rrwlock inode r = 0 (0xfffffd806e0ad540) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #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 vn_open+0x13f sys/kern/vfs_vnops.c:140 #8 doopenat+0x32e sys/kern/vfs_syscalls.c:1137 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 50988 (syz-executor) thread 0xffff8000ffff2a50 (234328) exclusive rrwlock inode r = 0 (0xfffffd806b9387d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #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:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c0277c8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #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:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 36071 (syz-executor) thread 0xffff8000ffff39b0 (90476) exclusive rrwlock inode r = 0 (0xfffffd806f6a71e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 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+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:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cdc5320) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #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:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11127K 11602K 166960K 13037 0 pcb 20 20K 25K 166960K 536 0 rtable 206 11K 12K 166960K 406 0 pf 41 19K 82K 166960K 112 0 ifaddr 40 7K 8K 166960K 80 0 ifgroup 55 2K 2K 166960K 126 0 sysctl 3 1K 9K 166960K 76 0 counters 68 36K 37K 166960K 154 0 ioctlops 0 0K 4K 166960K 1624 0 iov 0 0K 20K 166960K 117 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1522 96K 96K 166960K 2675 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 10K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 103 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 1101 0 sigio 1 0K 0K 166960K 58 0 proc 72 115K 180K 166960K 661 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 2 0K 0K 166960K 160 0 in_multi 89 6K 7K 166960K 138 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 464 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 167K 187K 166960K 11629 0 UVM aobj 25 4K 4K 166960K 28 0 pinsyscall 41 82K 102K 166960K 2206 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 47 0 NDP 12 0K 2K 166960K 50 0 temp 79 8684K 8812K 166960K 54462 0 kqueue 13 20K 28K 166960K 188 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 91 0 88 1 0 1 1 0 8 0 rtentry 176 121 0 44 5 0 5 5 0 8 0 unpcb 144 667 0 648 7 3 4 4 0 8 3 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 366 0 358 15 13 2 13 0 8 1 arp 128 10 0 2 1 0 1 1 0 8 0 inpcb 328 1544 0 1528 30 23 7 21 0 8 5 nd6 144 26 0 5 1 0 1 1 0 8 0 pkpcb 40 15 0 15 3 2 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 34 0 34 3 2 1 1 0 8 1 pppxif 1504 5 0 5 3 2 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 7 0 2 1 0 1 1 0 482 0 pffrnode 88 7 0 2 1 0 1 1 0 8 0 pffrent 40 11 0 6 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 9 0 5 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 82 0 25 1 0 1 1 0 8 0 pfstkey 128 82 0 26 2 0 2 2 0 8 0 pfstate 384 79 0 25 6 0 6 6 0 8 0 pfrule 1344 26 0 17 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 3 0 1 3 1 2 2 0 8 0 art_heap4 256 610 0 216 32 4 28 30 0 8 2 art_table 40 613 0 217 5 0 5 5 0 8 0 art_node 32 121 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 100 0 90 1 0 1 1 0 8 0 shmpl 112 25 0 3 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3578 0 2075 95 0 95 95 0 8 0 ffsino 296 3578 0 2075 117 0 117 117 0 8 0 nchpl 144 5131 0 3439 64 0 64 64 0 8 0 rtmask 32 8 0 8 2 1 1 1 0 8 1 uvmvnodes 80 4456 0 0 91 0 91 91 0 8 0 vnodes 216 4456 0 0 248 0 248 248 0 8 0 namei 1024 17438 0 17436 4 3 1 2 0 8 0 percpumem 16 92 0 43 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 kstatmem 264 70 0 44 5 2 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 30865 0 30862 12 10 2 8 1 8 1 plimitpl 152 213 0 194 1 0 1 1 0 8 0 sigapl 424 1403 0 1350 7 0 7 7 0 8 0 knotepl 120 548 0 0 17 0 17 17 0 8 0 kqueuepl 224 468 0 459 9 4 5 5 0 8 4 pipepl 344 180 0 152 3 0 3 3 0 8 0 fdescpl 528 1379 0 1349 3 0 3 3 0 8 0 filepl 160 9400 0 9171 36 18 18 25 0 8 7 lockfpl 104 659 0 657 2 1 1 2 0 8 0 lockfspl 48 300 0 298 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 44 0 27 1 0 1 1 0 8 0 ucredpl 104 1568 0 1553 1 0 1 1 0 8 0 zombiepl 144 1354 0 1350 2 1 1 1 0 8 0 processpl 1248 1403 0 1350 5 0 5 5 0 8 0 procpl 656 3119 0 3063 7 0 7 7 0 8 0 sosppl 168 7 0 7 2 1 1 1 0 8 1 sockpl 752 2342 0 2304 38 28 10 28 0 8 6 mcl64k 65536 6 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 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 232 0 0 14 0 14 14 0 8 0 bufpl 280 12534 0 6392 440 0 440 440 0 8 0 anonpl 32 12149 0 0 98 0 98 98 0 246 0 amapchunkpl 152 40368 0 39886 52 20 32 35 0 158 7 amappl16 200 5122 0 4960 41 28 13 21 0 8 2 amappl15 192 41 0 41 1 1 0 1 0 8 0 amappl14 184 124 0 111 1 0 1 1 0 8 0 amappl13 176 8 0 8 2 2 0 1 0 8 0 amappl12 168 2037 0 2008 4 2 2 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 6 0 5 1 0 1 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 28 0 24 1 0 1 1 0 8 0 amappl7 128 127 0 114 1 0 1 1 0 8 0 amappl6 120 196 0 193 1 0 1 1 0 8 0 amappl5 112 124 0 114 1 0 1 1 0 8 0 amappl4 104 309 0 289 1 0 1 1 0 8 0 amappl3 96 7819 0 7713 4 0 4 4 0 8 0 amappl2 88 675 0 613 2 0 2 2 0 8 0 amappl1 80 12644 0 12049 16 1 15 15 0 8 0 amappl 88 10747 0 10586 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 128 255 0 255 3 2 1 1 0 8 1 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 27 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1379 0 1349 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1379 0 1349 1 0 1 1 0 8 0 vmmpekpl 168 12372 0 12333 4 1 3 3 0 8 0 vmmpepl 168 92801 0 90729 118 12 106 106 0 357 8 vmsppl 488 1378 0 1349 6 1 5 5 0 8 0 rwobjpl 80 30667 0 25118 114 0 114 114 0 8 0 pdppl 4096 2765 0 2698 111 40 71 85 0 8 4 pvpl 32 23607 0 0 193 2 191 191 0 265 0 pmappl 256 1378 0 1349 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 310 0 66 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838aeff0) 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(ffffffff838e2b30) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838e2b30) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff800032fef470,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f uvm_fault_upper(ffff800032fef660,ffff800032fef698,ffff800032fef560) at uvm_fault_upper+0x19 sys/uvm/uvm_fault.c:1042 uvm_fault(fffffd806b971200,baf5b4c2000,0,1) at uvm_fault+0x19c sys/uvm/uvm_fault.c:685 upageflttrap(ffff800032fef7f0,baf5b4c2048) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800032fef7f0) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x761f2f186aa0, count: 3 ddb{0}> trace x86_ipi_db(ffffffff838aeff0) 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(ffffffff838e2b30) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838e2b30) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff800032fef470,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f uvm_fault_upper(ffff800032fef660,ffff800032fef698,ffff800032fef560) at uvm_fault_upper+0x19 sys/uvm/uvm_fault.c:1042 uvm_fault(fffffd806b971200,baf5b4c2000,0,1) at uvm_fault+0x19c sys/uvm/uvm_fault.c:685 upageflttrap(ffff800032fef7f0,baf5b4c2048) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800032fef7f0) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x761f2f186aa0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 dt_ioctl_record_stop(ffff800001494000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c42d270) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805da5f9a8,81,fffffd80097fb270,ffff80003c449738) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805d991238,ffff80003c449738) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805d991238,ffff80003c449738) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c449738) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c449738,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80003c449738,ffff80003c42d5e0,ffff80003c42d530) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42d5e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d5e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7195ec35ab40, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001494000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c449738) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c42d270) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805da5f9a8,81,fffffd80097fb270,ffff80003c449738) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805d991238,ffff80003c449738) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805d991238,ffff80003c449738) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805d991238,ffff80003c449738) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c449738) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c449738,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80003c449738,ffff80003c42d5e0,ffff80003c42d530) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42d5e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d5e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7195ec35ab40, count: -12