uvm_fault(0xfffffd800dfe9208, 0x48, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 28653 46943 0 0 0 1 syz-executor * 87209 46943 0 0 0x4000000 0K syz-executor witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001536b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e3000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a2eefc0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2eefc0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4ab350) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065e83cb8,1,fffffd80097fd680,ffff80002a2eefc0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b4ae1c8,ffff80002a2eefc0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b4ae1c8,ffff80002a2eefc0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b4ae1c8,ffff80002a2eefc0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 sys_ioctl(ffff80002a2eefc0,ffff80003c4ab660,ffff80003c4ab5b0) at sys_ioctl+0x30b sys/kern/sys_generic.c:516 syscall(ffff80003c4ab660) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ab660) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe0f2b7fa1a0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd800dfe9208, 0x48, 0, 1) -> e ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001536b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e3000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a2eefc0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2eefc0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4ab350) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065e83cb8,1,fffffd80097fd680,ffff80002a2eefc0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b4ae1c8,ffff80002a2eefc0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b4ae1c8,ffff80002a2eefc0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b4ae1c8,ffff80002a2eefc0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 sys_ioctl(ffff80002a2eefc0,ffff80003c4ab660,ffff80003c4ab5b0) at sys_ioctl+0x30b sys/kern/sys_generic.c:516 syscall(ffff80003c4ab660) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ab660) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe0f2b7fa1a0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c4ab170 rbx 0 rdx 0 rcx 0xffff80002a2eefc0 rax 0xffffffff837f7ffe cpu_info_full_primary+0x1ffe r8 0xa0 r9 0 r10 0x88773df054b75e32 r11 0x6d60ac669542ad49 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff829808e5 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c4ab0d0 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{0}> show proc PROC (syz-executor) tid=87209 pid=46943 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2eed28,0xffff80002a2eeaa0 process=0xffff80003c4484f8 user=0xffff80003c4a6000, vmspace=0xfffffd800dfe9208 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 50185 412939 51228 0 2 0 syz-executor 50185 290278 51228 0 2 0x4000000 syz-executor 46943 28653 40951 0 7 0 syz-executor *46943 87209 40951 0 7 0x4000000 syz-executor 46943 307449 40951 0 2 0x4000000 syz-executor 46943 228351 40951 0 3 0x4000080 fsleep syz-executor 35551 497535 0 0 3 0x14200 acct acct 28151 44363 97709 0 2 0 syz-executor 28151 187212 97709 0 3 0x4000080 ttyout syz-executor 28151 313503 97709 0 3 0x4000080 fsleep syz-executor 55750 166698 38093 0 3 0x80 nanoslp syz-executor 55750 379380 38093 0 3 0x4000080 kqsel syz-executor 55750 499573 38093 0 3 0x4000080 fsleep syz-executor 55750 348759 38093 0 3 0x4000080 fsleep syz-executor 90824 423670 95093 60929 3 0x90 nanoslp syz-executor 90824 137177 95093 60929 3 0x4000090 sbwait syz-executor 90824 317900 95093 60929 3 0x4000090 fsleep syz-executor 50213 265375 71637 0 3 0x3000 suspend syz-executor 50213 516391 71637 0 2 0x4081000 syz-executor 50213 466225 71637 0 3 0x4081000 inode syz-executor 50213 376324 71637 0 3 0x4081000 inode syz-executor 61672 49309 99181 0 3 0x82 nanoslp syz-executor 95093 147248 99181 0 3 0x82 nanoslp syz-executor 51228 27763 99181 0 3 0x82 nanoslp syz-executor 40951 196947 99181 0 3 0x82 nanoslp syz-executor 38093 367618 99181 0 2 0x2 syz-executor 46803 473438 0 0 3 0x14280 nfsidl nfsio 72210 421923 0 0 3 0x14280 nfsidl nfsio 71914 501172 0 0 3 0x14280 nfsidl nfsio 52229 154363 0 0 3 0x14280 nfsidl nfsio 3998 409034 0 0 3 0x14280 nfsidl nfsio 87030 18763 0 0 3 0x14280 nfsidl nfsio 18461 209937 0 0 3 0x14280 nfsidl nfsio 18713 441034 0 0 3 0x14280 nfsidl nfsio 20321 424691 0 0 3 0x14280 nfsidl nfsio 89076 504540 0 0 3 0x14280 nfsidl nfsio 73066 358344 0 0 3 0x14280 nfsidl nfsio 8363 440976 0 0 3 0x14280 nfsidl nfsio 43623 301871 0 0 3 0x14280 nfsidl nfsio 43698 496512 0 0 3 0x14280 nfsidl nfsio 81853 100167 0 0 3 0x14280 nfsidl nfsio 68392 218912 0 0 3 0x14280 nfsidl nfsio 47482 487113 0 0 3 0x14280 nfsidl nfsio 12913 491824 0 0 3 0x14280 nfsidl nfsio 32768 326429 0 0 3 0x14280 nfsidl nfsio 92058 375920 0 0 3 0x14280 nfsidl nfsio 71637 413488 99181 0 3 0x82 nanoslp syz-executor 97709 34172 99181 0 3 0x82 nanoslp syz-executor 18607 323093 99181 0 2 0x2 syz-executor 99181 346781 58692 0 2 0x2 syz-executor 58692 240625 11621 0 3 0x10008a sigsusp ksh 11621 400816 20590 0 3 0x98 kqread sshd-session 20590 130208 33538 0 3 0x92 kqread sshd-session 91836 465699 1 0 3 0x100083 ttyopn getty 33538 102984 1 0 3 0x88 kqread sshd 64495 295735 79613 74 3 0x1100092 bpf pflogd 79613 306227 1 0 3 0x80 sbwait pflogd 51790 126404 29952 73 3 0x1100090 kqread syslogd 29952 300327 1 0 3 0x100082 sbwait syslogd 45610 179174 1 0 3 0x100080 kqread resolvd 87158 386679 57757 77 3 0x100092 kqread dhcpleased 78631 444198 57757 77 3 0x100092 kqread dhcpleased 57757 25835 1 0 3 0x80 kqread dhcpleased 49365 387466 0 0 3 0x14200 bored smr 70752 483377 0 0 3 0x14200 pgzero zerothread 84142 305549 0 0 3 0x14200 aiodoned aiodoned 47186 57174 0 0 3 0x14200 syncer update 75911 151309 0 0 3 0x14200 cleaner cleaner 68095 117438 0 0 3 0x14200 reaper reaper 17377 136801 0 0 3 0x14200 pgdaemon pagedaemon 61815 13022 0 0 3 0x14200 bored viomb 28854 211528 0 0 3 0x40014200 acpi0 acpi0 84947 195348 0 0 3 0x40014200 idle1 33095 243373 0 0 3 0x14200 bored softnet1 93795 325 0 0 3 0x14200 bored softnet0 94202 325270 0 0 3 0x14200 bored systqmp 63515 306551 0 0 3 0x14200 bored systq 82003 301716 0 0 3 0x14200 tmoslp softclockmp 84824 63733 0 0 3 0x40014200 tmoslp softclock 31702 485330 0 0 3 0x40014200 idle0 1 140788 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 46943 (syz-executor) thread 0xffff80002a2eefc0 (87209) exclusive rwlock dtlk r = 0 (0xffffffff83881098) #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 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #4 spec_close+0x466 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1280 #8 sys_ioctl+0x30b sys/kern/sys_generic.c:516 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8391dac0) #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 pool_get+0x27e sys/kern/subr_pool.c:595 #3 lf_advlock+0x427 lf_alloc sys/kern/vfs_lockf.c:186 [inline] #3 lf_advlock+0x427 sys/kern/vfs_lockf.c:280 #4 VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 #5 vn_closefile+0xba sys/kern/vfs_vnops.c:615 #6 fdrop+0x121 sys/kern/kern_descrip.c:1280 #7 sys_ioctl+0x30b sys/kern/sys_generic.c:516 #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 50213 (syz-executor) thread 0xffff80002a303790 (516391) exclusive rrwlock inode r = 0 (0xfffffd806c72b7d0) #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_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #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 50213 (syz-executor) thread 0xffff80002a302038 (466225) exclusive rrwlock inode r = 0 (0xfffffd807e811128) #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 vn_open+0x15a sys/kern/vfs_vnops.c:140 #8 sys_acct+0xb9 sys/kern/kern_acct.c:121 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 Process 18607 (syz-executor) thread 0xffff8000ffffd760 (323093) exclusive rrwlock inode r = 0 (0xfffffd807e811f08) #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 (0xfffffd806d0d01f8) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11107 12130K 13077K 166960K 13932 0 pcb 19 14K 16K 166960K 433 0 rtable 224 11K 12K 166960K 762 0 pf 33 17K 81K 166960K 210 0 ifaddr 36 6K 8K 166960K 160 0 ifgroup 51 2K 3K 166960K 276 0 sysctl 4 1K 9K 166960K 81 0 counters 68 36K 38K 166960K 358 0 ioctlops 0 0K 4K 166960K 1928 0 iov 0 0K 20K 166960K 110 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1447 91K 92K 166960K 3052 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 116 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 1528 0 sigio 0 0K 0K 166960K 22 0 proc 73 115K 180K 166960K 862 0 subproc 72 4K 4K 166960K 135 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 230 0 in_multi 77 5K 7K 166960K 226 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 777 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 261 176K 191K 166960K 15830 0 UVM aobj 72 11K 13K 166960K 82 0 pinsyscall 42 84K 108K 166960K 2852 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 184 0 NDP 11 0K 2K 166960K 114 0 temp 76 8684K 8812K 166960K 75265 0 kqueue 13 20K 30K 166960K 327 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 177 0 173 1 0 1 1 0 8 0 rtentry 176 232 0 148 6 0 6 6 0 8 0 unpcb 144 1364 0 1344 10 9 1 6 0 8 0 syncache 336 9 0 9 3 3 0 1 0 8 0 tcpqe 32 5 0 5 2 2 0 1 0 8 0 tcpcb 736 549 0 538 20 18 2 10 0 8 0 arp 136 36 0 20 1 0 1 1 0 8 0 inpcb 328 1694 0 1675 19 14 5 9 0 8 3 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 152 49 0 30 3 1 2 2 0 8 0 pkpcb 40 73 0 73 3 3 0 1 0 8 0 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 3 0 3 3 2 1 1 0 8 1 ppxss 1192 113 0 113 1 0 1 1 0 8 1 pppxif 1504 15 0 15 5 4 1 1 0 8 1 pffrag 232 48 0 39 1 0 1 1 0 482 0 pffrnode 88 47 0 38 1 0 1 1 0 8 0 pffrent 40 89 0 80 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 3 0 3 3 3 0 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 0 1 0 1 1 0 8 0 pfstate 448 1 0 0 1 0 1 1 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1032 0 666 38 12 26 31 0 8 2 art_table 40 1035 0 666 5 0 5 5 0 8 0 art_node 32 228 0 154 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semupl 112 4 0 4 3 2 1 1 0 8 1 semapl 112 111 0 101 1 0 1 1 0 8 0 shmpl 112 73 0 8 2 0 2 2 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 4523 0 3002 96 0 96 96 0 8 0 ffsino 296 4523 0 3002 118 0 118 118 0 8 0 nchpl 144 6528 0 4820 65 0 65 65 0 8 0 rtmask 32 20 0 20 2 2 0 1 0 8 0 vnodes 216 5419 0 0 302 0 302 302 0 8 0 namei 1024 24065 0 24060 3 2 1 2 0 8 0 percpumem 16 194 0 145 1 0 1 1 0 8 0 vcpupl 3968 4 0 0 1 0 1 1 0 8 0 vmpool 848 6 0 2 1 0 1 1 0 8 0 kstatmem 264 168 0 142 3 0 3 3 0 8 0 scsiplug 72 7 0 7 4 3 1 1 0 8 1 scxspl 216 36888 0 36888 12 10 2 8 1 8 2 plimitpl 152 616 0 597 1 0 1 1 0 8 0 sigapl 424 1850 0 1782 9 1 8 8 0 8 0 knotepl 120 562 0 0 17 0 17 17 0 8 0 kqueuepl 224 662 0 651 8 7 1 5 0 8 0 pipepl 344 400 0 373 12 9 3 9 0 8 0 fdescpl 528 1810 0 1779 3 0 3 3 0 8 0 filepl 160 13457 0 13226 26 13 13 18 0 8 0 lockfpl 104 498 0 496 1 0 1 1 0 8 0 lockfspl 48 226 0 224 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 133 0 116 1 0 1 1 0 8 0 ucredpl 104 2827 0 2812 1 0 1 1 0 8 0 zombiepl 144 2418 0 2415 1 0 1 1 0 8 0 processpl 1232 1850 0 1782 6 0 6 6 0 8 0 procpl 664 4297 0 4213 8 0 8 8 0 8 0 sosppl 176 9 0 9 4 4 0 1 0 8 0 sockpl 752 3467 0 3424 30 23 7 18 0 8 2 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 119 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1171 0 0 73 0 73 73 0 8 0 bufpl 280 14338 0 8200 439 0 439 439 0 8 0 anonpl 32 13661 0 0 112 1 111 111 0 246 0 amapchunkpl 152 53774 0 53168 51 23 28 33 0 158 1 amappl16 200 6575 0 6466 44 29 15 30 0 8 5 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 11 0 11 1 1 0 1 0 8 0 amappl13 176 509 0 508 1 0 1 1 0 8 0 amappl12 168 2218 0 2176 3 0 3 3 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 48 0 34 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 37 0 34 1 0 1 1 0 8 0 amappl7 128 126 0 125 1 0 1 1 0 8 0 amappl6 120 361 0 348 1 0 1 1 0 8 0 amappl5 112 88 0 77 1 0 1 1 0 8 0 amappl4 104 463 0 434 1 0 1 1 0 8 0 amappl3 96 9367 0 9272 4 1 3 3 0 8 0 amappl2 88 1922 0 1845 2 0 2 2 0 8 0 amappl1 80 16209 0 15603 17 2 15 15 0 8 0 amappl 88 14710 0 14530 5 0 5 5 0 92 0 uvmvnodes 80 154 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 2 2 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 81 0 10 2 0 2 2 0 8 0 uaddrrnd 24 1810 0 1779 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1810 0 1779 1 0 1 1 0 8 0 vmmpekpl 168 17024 0 16972 4 0 4 4 0 8 0 vmmpepl 168 121751 0 119725 124 25 99 111 0 357 3 vmsppl 488 1809 0 1779 6 1 5 5 0 8 0 rwobjpl 80 34828 0 33573 34 4 30 34 0 8 0 pdppl 4096 3640 0 3566 117 41 76 88 0 8 2 pvpl 32 21323 0 0 174 2 172 172 0 265 0 pmappl 256 1815 0 1781 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 392 0 84 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001536b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e3000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a2eefc0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2eefc0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4ab350) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065e83cb8,1,fffffd80097fd680,ffff80002a2eefc0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b4ae1c8,ffff80002a2eefc0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b4ae1c8,ffff80002a2eefc0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b4ae1c8,ffff80002a2eefc0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 sys_ioctl(ffff80002a2eefc0,ffff80003c4ab660,ffff80003c4ab5b0) at sys_ioctl+0x30b sys/kern/sys_generic.c:516 syscall(ffff80003c4ab660) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ab660) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe0f2b7fa1a0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 end of kernel end trace frame: 0x7f511e59e840, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 end of kernel end trace frame: 0x7f511e59e840, count: -3