uvm_fault(0xfffffd806b9da5d0, 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 witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000014adb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001686000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80002a2e42b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a2e42b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4617a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7a6b10,81,fffffd80097fb5b0,ffff80002a2e42b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8063b8c578,ffff80002a2e42b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8063b8c578,ffff80002a2e42b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8063b8c578,ffff80002a2e42b8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8063b8c578,ffff80002a2e42b8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a2e42b8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a2e42b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a2e42b8,ffff80003c461b10,ffff80003c461a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461b10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461b10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 end trace frame: 0xffff80003c461b90, count: 0 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(0xfffffd806b9da5d0, 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+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000014adb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001686000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80002a2e42b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a2e42b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4617a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7a6b10,81,fffffd80097fb5b0,ffff80002a2e42b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8063b8c578,ffff80002a2e42b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8063b8c578,ffff80002a2e42b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8063b8c578,ffff80002a2e42b8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8063b8c578,ffff80002a2e42b8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a2e42b8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a2e42b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a2e42b8,ffff80003c461b10,ffff80003c461a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461b10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461b10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7711aba779f0, count: -15 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c461600 rbx 0 rdx 0 rcx 0xffff80002a2e42b8 rax 0xffffffff8381affe cpu_info_full_primary+0x1ffe r8 0xffffffffffffffff r9 0 r10 0xb71ed6b8ab861256 r11 0xafc43c93327dafc0 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff8131cb65 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c461560 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{0}> show proc PROC (syz-executor) tid=168872 pid=78162 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a2e42b8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4767f8,0xffff80003c476040 process=0xffff80002a2c2bf8 user=0xffff80003c45c000, vmspace=0xfffffd806b9da5d0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61209 211454 0 0 3 0x14200 acct acct 98001 52443 4822 0 3 0x80 nanoslp syz-executor 98001 11214 4822 0 3 0x4000080 kqread syz-executor 98001 83331 4822 0 3 0x4000080 fsleep syz-executor 53025 424616 19087 0 3 0x90 nanoslp syz-executor 53025 196806 19087 0 3 0x4000090 fifow syz-executor 53025 94036 19087 0 3 0x4000090 fifow syz-executor 53025 152960 19087 0 3 0x4000090 fsleep syz-executor 53025 436637 19087 0 3 0x4000090 fsleep syz-executor 47742 377386 68089 0 3 0x82 piperd syz-executor 50628 196426 1 0 3 0x100083 ttyin getty 90764 312773 0 0 3 0x14200 bored sosplice 3692 59461 68089 0 3 0x82 nanoslp syz-executor 3706 274527 68089 0 3 0x82 piperd syz-executor 25023 100926 68089 0 3 0x82 piperd syz-executor 48818 449222 68089 0 3 0x82 piperd syz-executor 19087 99678 68089 0 3 0x82 nanoslp syz-executor 4822 290409 68089 0 3 0x82 nanoslp syz-executor 68089 148414 56928 0 3 0x82 wait syz-executor 56928 339082 76658 0 3 0x10008a sigsusp ksh 76658 120817 80988 0 3 0x98 kqread sshd-session 80988 79880 99592 0 3 0x92 kqread sshd-session 99592 76277 1 0 3 0x88 kqread sshd 92329 307778 89548 74 3 0x1100092 bpf pflogd 89548 111909 1 0 3 0x80 sbwait pflogd 84085 338346 49170 73 3 0x1100090 kqread syslogd 49170 192451 1 0 3 0x100082 sbwait syslogd 68809 397331 1 0 3 0x100080 kqread resolvd 99289 37758 98243 77 3 0x100092 kqread dhcpleased 29698 521288 98243 77 3 0x100092 kqread dhcpleased 98243 212091 1 0 3 0x80 kqread dhcpleased 22534 4729 0 0 3 0x14200 bored smr 55358 232031 0 0 3 0x14200 pgzero zerothread 36329 383157 0 0 3 0x14200 aiodoned aiodoned 2216 83239 0 0 3 0x14200 syncer update 44874 457423 0 0 3 0x14200 cleaner cleaner 98330 351123 0 0 3 0x14200 reaper reaper 6042 283142 0 0 3 0x14200 pgdaemon pagedaemon 74101 46454 0 0 3 0x14200 bored viomb 75734 72051 0 0 3 0x40014200 acpi0 acpi0 21253 411286 0 0 7 0x40014200 idle1 69442 337603 0 0 3 0x14200 bored softnet7 94260 423629 0 0 3 0x14200 bored softnet6 5040 323791 0 0 3 0x14200 bored softnet5 26423 129455 0 0 3 0x14200 bored softnet4 31154 514122 0 0 3 0x14200 bored softnet3 22023 192115 0 0 3 0x14200 bored softnet2 5711 463175 0 0 3 0x14200 bored softnet1 71233 480467 0 0 3 0x14200 bored softnet0 66339 489039 0 0 3 0x14200 bored systqmp 84594 280697 0 0 3 0x14200 bored systq 44140 445062 0 0 3 0x14200 tmoslp softclockmp 33664 377104 0 0 3 0x40014200 tmoslp softclock 84125 180344 0 0 3 0x40014200 idle0 1 297261 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 47742 (syz-executor) thread 0xffff80002a2e4550 (377386) exclusive rrwlock inode r = 0 (0xfffffd805d9e3ed0) #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+0xa3 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:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8071f2e7f8) #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+0xa3 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:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10248 11067K 12545K 166960K 12886 0 pcb 17 16K 18K 166960K 399 0 rtable 231 10K 10K 166960K 624 0 pf 37 18K 21K 166960K 135 0 ifaddr 46 8K 8K 166960K 129 0 ifgroup 59 2K 2K 166960K 173 0 sysctl 3 1K 9K 166960K 11 0 counters 70 37K 37K 166960K 182 0 ioctlops 0 0K 4K 166960K 1628 0 iov 0 0K 24K 166960K 59 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1457 92K 92K 166960K 2286 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 135 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 13 45K 85K 166960K 1248 0 sigio 0 0K 0K 166960K 18 0 proc 72 115K 164K 166960K 941 0 subproc 72 4K 4K 166960K 171 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 143 0 in_multi 99 7K 7K 166960K 275 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 181 811K 811K 166960K 181 0 exec 0 0K 1K 166960K 608 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 215 159K 174K 166960K 12471 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 38 76K 99K 166960K 2655 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 58 0 NDP 15 0K 2K 166960K 89 0 temp 71 8650K 8720K 166960K 48357 0 kqueue 17 23K 30K 166960K 205 0 SYN cache 2 8K 16K 166960K 3 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 0 174 2 1 1 2 0 8 0 rtentry 176 226 0 133 5 0 5 5 0 8 0 unpcb 144 578 0 559 4 3 1 2 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 389 0 385 10 3 7 7 0 8 6 arp 128 27 0 14 1 0 1 1 0 8 0 inpcb 328 1462 0 1452 22 4 18 18 0 8 15 nd6 144 43 0 24 1 0 1 1 0 8 0 pkpcb 40 18 0 18 2 2 0 1 0 8 0 kcovpl 48 19 0 11 1 0 1 1 0 8 0 ppxss 1192 39 0 39 1 0 1 1 0 8 1 pppxif 1504 5 0 5 1 1 0 1 0 8 0 pffrag 232 41 0 35 1 0 1 1 0 482 0 pffrnode 88 41 0 35 1 0 1 1 0 8 0 pffrent 40 77 0 71 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 2 0 1 1 0 1 1 0 8 0 pfstitem 24 69 0 23 1 0 1 1 0 8 0 pfstkey 128 69 0 23 2 0 2 2 0 8 0 pfstate 384 69 0 23 5 0 5 5 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1047 0 598 33 4 29 29 0 8 0 art_table 40 1049 0 598 5 0 5 5 0 8 0 art_node 32 225 0 147 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 12 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 122 0 112 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3446 0 1915 96 0 96 96 0 8 0 ffsino 296 3446 0 1915 119 0 119 119 0 8 0 nchpl 144 4967 0 3240 65 0 65 65 0 8 0 rtmask 32 4 0 4 2 1 1 1 0 8 1 uvmvnodes 80 4068 0 0 84 0 84 84 0 8 0 vnodes 216 4068 0 0 226 0 226 226 0 8 0 namei 1024 17885 0 17885 3 2 1 2 0 8 1 percpumem 16 106 0 56 1 0 1 1 0 8 0 kstatmem 264 106 0 76 3 0 3 3 0 8 0 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 40967 0 40967 11 9 2 8 1 8 2 plimitpl 152 442 0 424 1 0 1 1 0 8 0 sigapl 424 1547 0 1496 7 0 7 7 0 8 0 knotepl 120 599 0 0 18 0 18 18 0 8 0 kqueuepl 224 347 0 333 4 3 1 3 0 8 0 pipepl 344 251 0 224 3 0 3 3 0 8 0 fdescpl 528 1518 0 1491 3 0 3 3 0 8 0 filepl 160 8901 0 8680 26 8 18 18 0 8 4 lockfpl 104 534 0 532 1 0 1 1 0 8 0 lockfspl 48 161 0 159 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 73 0 56 1 0 1 1 0 8 0 ucredpl 104 1259 0 1243 1 0 1 1 0 8 0 zombiepl 144 1498 0 1496 2 1 1 1 0 8 0 processpl 1248 1547 0 1496 5 0 5 5 0 8 0 procpl 664 3159 0 3102 7 1 6 7 0 8 0 sosppl 168 12 0 12 5 4 1 1 0 8 1 sockpl 752 2256 0 2224 34 10 24 24 0 8 18 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 49 0 0 6 0 6 6 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 225 0 0 14 0 14 14 0 8 0 bufpl 280 17367 0 11224 439 0 439 439 0 8 0 anonpl 32 14369 0 0 117 1 116 116 0 246 0 amapchunkpl 152 41077 0 40668 41 16 25 33 0 158 3 amappl16 200 7216 0 7109 46 31 15 37 0 8 6 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 243 0 231 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 2351 0 2324 4 2 2 3 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 155 0 143 1 0 1 1 0 8 0 amappl6 120 294 0 290 1 0 1 1 0 8 0 amappl5 112 180 0 170 1 0 1 1 0 8 0 amappl4 104 331 0 310 1 0 1 1 0 8 0 amappl3 96 8032 0 7937 5 1 4 4 0 8 0 amappl2 88 813 0 747 2 0 2 2 0 8 0 amappl1 80 13702 0 13120 16 2 14 15 0 8 0 amappl 88 11430 0 11287 5 0 5 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1518 0 1491 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1518 0 1491 1 0 1 1 0 8 0 vmmpekpl 168 13103 0 13062 3 0 3 3 0 8 0 vmmpepl 168 102502 0 100619 123 21 102 118 0 357 7 vmsppl 488 1517 0 1491 6 1 5 5 0 8 0 rwobjpl 80 34120 0 29053 107 2 105 105 0 8 0 pdppl 4096 3044 0 2982 122 48 74 82 0 8 12 pvpl 32 22421 0 0 181 0 181 181 0 265 0 pmappl 256 1517 0 1491 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 316 0 61 8 0 8 8 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+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000014adb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001686000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff80002a2e42b8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a2e42b8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4617a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7a6b10,81,fffffd80097fb5b0,ffff80002a2e42b8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8063b8c578,ffff80002a2e42b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8063b8c578,ffff80002a2e42b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8063b8c578,ffff80002a2e42b8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8063b8c578,ffff80002a2e42b8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a2e42b8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a2e42b8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a2e42b8,ffff80003c461b10,ffff80003c461a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461b10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461b10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7711aba779f0, count: -15 ddb{0}> machine ddbcpu 1