uvm_fault(0xffffffff83a92ba0, 0xffff800027ce200c, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ufs_direnter+0x23b: movl 0(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND *297588 97473 0 0 0x4000000 1K syz-executor 165042 70391 60928 0x10 0x1 0 syz-executor ufs_direnter(fffffd805eb8cce0,fffffd8060980040,ffff80003c40b698,ffff80003c40b9f8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764 ufs_makeinode(2000,fffffd805eb8cce0,ffff80003c40b9c8,ffff80003c40b9f8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768 ufs_mknod(ffff80003c40b870) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd805eb8cce0,ffff80003c40b9c8,ffff80003c40b9f8,ffff80003c40b8f8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff80002a2b6560,ffffff9c,2000000000c0,2000,637d) at domknodat+0x469 sys/kern/vfs_syscalls.c:1665 syscall(ffff80003c40bb90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c40bb90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1af98bf7730, count: 8 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(0xffffffff83a92ba0, 0xffff800027ce200c, 0, 1) -> d ddb{1}> trace ufs_direnter(fffffd805eb8cce0,fffffd8060980040,ffff80003c40b698,ffff80003c40b9f8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764 ufs_makeinode(2000,fffffd805eb8cce0,ffff80003c40b9c8,ffff80003c40b9f8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768 ufs_mknod(ffff80003c40b870) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd805eb8cce0,ffff80003c40b9c8,ffff80003c40b9f8,ffff80003c40b8f8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff80002a2b6560,ffffff9c,2000000000c0,2000,637d) at domknodat+0x469 sys/kern/vfs_syscalls.c:1665 syscall(ffff80003c40bb90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c40bb90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1af98bf7730, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c40b680 rbx 0xfffffd80097fd2d8 rdx 0xffff8000015f88c0 rcx 0xffff80002a2b6560 rax 0xffff80002999dff0 r8 0xffffffffffffffff r9 0x1 r10 0xde0274f1af4f6328 r11 0x318ab394f6cb964a r12 0xfffffd806c88f500 r13 0xfffffd806e59c9b8 r14 0xffff800027ce200c r15 0 rip 0xffffffff817da42b ufs_direnter+0x23b cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c40b5e0 ss 0 ufs_direnter+0x23b: movl 0(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=297588 pid=97473 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2b62c8,0xffffffff83b1e050 process=0xffff80002b3e1d08 user=0xffff80003c406000, vmspace=0xfffffd806f383b78 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97473 278399 78664 0 2 0 syz-executor *97473 297588 78664 0 7 0x4000000 syz-executor 27336 56309 64373 0 2 0 syz-executor 27336 225724 64373 0 2 0x4000000 syz-executor 31469 312220 94966 0 2 0 syz-executor 31469 383594 94966 0 3 0x4000080 fsleep syz-executor 31469 144176 94966 0 3 0x4000080 fsleep syz-executor 31469 70131 94966 0 3 0x4000080 kqsel syz-executor 38941 135999 51008 0 2 0 syz-executor 38941 271830 51008 0 3 0x4000080 fsleep syz-executor 70391 165042 67839 60928 7 0x11 syz-executor 70391 174264 67839 60928 3 0x4000090 fifow syz-executor 70391 516559 67839 60928 3 0x4000090 fsleep syz-executor 17153 508963 78755 60929 2 0x400c90 syz-executor 17153 411712 78755 60929 3 0x4400090 kqread syz-executor 17153 139252 78755 60929 3 0x4400090 fsleep syz-executor 64373 380526 26842 0 2 0xc82 syz-executor 78755 398240 26842 0 3 0x82 nanoslp syz-executor 91207 132926 0 0 3 0x14280 nfsidl nfsio 72189 141663 0 0 3 0x14280 nfsidl nfsio 27977 12947 0 0 3 0x14280 nfsidl nfsio 7711 160498 0 0 3 0x14280 nfsidl nfsio 74655 279525 0 0 3 0x14280 nfsidl nfsio 84208 413190 0 0 3 0x14280 nfsidl nfsio 65664 188177 0 0 3 0x14280 nfsidl nfsio 90411 279004 0 0 3 0x14280 nfsidl nfsio 32667 240967 0 0 3 0x14280 nfsidl nfsio 16960 189079 0 0 3 0x14280 nfsidl nfsio 57672 339688 0 0 3 0x14280 nfsidl nfsio 18392 76843 0 0 3 0x14280 nfsidl nfsio 38855 288154 0 0 3 0x14280 nfsidl nfsio 65444 246414 0 0 3 0x14280 nfsidl nfsio 34164 311633 0 0 3 0x14280 nfsidl nfsio 47922 428803 0 0 3 0x14280 nfsidl nfsio 80305 401405 0 0 3 0x14280 nfsidl nfsio 74911 28114 0 0 3 0x14280 nfsidl nfsio 57118 350047 0 0 3 0x14280 nfsidl nfsio 1339 129124 0 0 3 0x14280 nfsidl nfsio 88466 11826 26842 0 3 0x82 piperd syz-executor 78664 502182 26842 0 3 0x82 nanoslp syz-executor 67839 93725 26842 0 2 0xc82 syz-executor 1077 37610 26842 0 3 0x82 wait syz-executor 51008 347968 26842 0 2 0xc82 syz-executor 94966 422340 26842 0 2 0xc82 syz-executor 26842 191510 1 0 2 0x2 syz-executor 89930 245276 0 0 3 0x14200 pause smr 38652 403658 0 0 2 0x14200 zerothread 67613 502087 0 0 3 0x14200 aiodoned aiodoned 63115 205917 0 0 3 0x14200 syncer update 83773 95620 0 0 3 0x14200 cleaner cleaner 16074 92156 0 0 3 0x14200 reaper reaper 43218 52041 0 0 3 0x14200 pgdaemon pagedaemon 99614 338411 0 0 3 0x14200 bored viomb 93817 431966 0 0 3 0x40014200 acpi0 acpi0 1194 85079 0 0 3 0x40014200 idle1 526 411733 0 0 3 0x14200 bored softnet1 35638 178314 0 0 3 0x14200 bored softnet0 15557 167278 0 0 3 0x14200 smrbar systqmp 30155 270867 0 0 3 0x14200 bored systq 36904 93154 0 0 3 0x14200 tmoslp softclockmp 3930 3135 0 0 3 0x40014200 tmoslp softclock 45650 14602 0 0 3 0x40014200 idle0 1 119856 0 0 4 0x58000082 init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 97473 (syz-executor) thread 0xffff80002a2b6560 (297588) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b1b740) #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 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e7 sys/kern/vfs_bio.c:754 #5 ffs_update+0x2fe sys/ufs/ffs/ffs_inode.c:111 #6 ufs_makeinode+0x4b0 sys/ufs/ufs/ufs_vnops.c:1764 #7 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #8 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 #9 domknodat+0x469 sys/kern/vfs_syscalls.c:1665 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806edd4480) #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_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 #10 domknodat+0x469 sys/kern/vfs_syscalls.c:1665 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e59ca58) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1617 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 15557 (systqmp) thread 0xffff8000ffffea60 (167278) shared rwlock systqmp r = 0 (0xffffffff839055f8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11070 12175K 12417K 166960K 13121 0 pcb 18 17K 18K 166960K 291 0 rtable 228 10K 10K 166960K 531 0 pf 40 18K 82K 166960K 169 0 ifaddr 41 7K 7K 166960K 76 0 ifgroup 59 2K 2K 166960K 106 0 sysctl 4 1K 9K 166960K 14 0 counters 72 37K 38K 166960K 128 0 ioctlops 0 0K 4K 166960K 1639 0 iov 0 0K 16K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1421 89K 89K 166960K 2077 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 77 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 61K 110K 166960K 722 0 sigio 0 0K 0K 166960K 7 0 proc 12 17K 164K 166960K 685 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 125 0 in_multi 85 6K 7K 166960K 142 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 27 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 558 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 138 78K 180K 166960K 8349 0 UVM aobj 57 2K 2K 166960K 57 0 pinsyscall 17 34K 102K 166960K 1999 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 20 0 NDP 13 0K 2K 166960K 51 0 temp 53 9118K 9194K 166960K 22679 0 kqueue 3 6K 31K 166960K 142 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 75 0 75 1 0 1 1 0 8 1 rtentry 176 157 0 63 6 0 6 6 0 8 0 unpcb 144 540 0 534 6 2 4 6 0 8 3 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpcb 736 396 0 394 13 4 9 13 0 8 8 arp 136 25 0 8 1 0 1 1 0 8 0 inpcb 328 1052 0 1047 12 3 9 12 0 8 8 nd6 152 35 0 12 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 22 0 22 1 0 1 1 0 8 1 pppxif 1576 2 0 2 1 0 1 1 0 8 1 pfstscr 40 6 0 4 1 0 1 1 0 8 0 pffrag 232 10 0 3 1 0 1 1 0 482 0 pffrnode 88 9 0 3 1 0 1 1 0 8 0 pffrent 40 13 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 2 0 1 1 0 1 1 0 8 0 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 11 0 0 1 0 1 1 0 8 0 pftag 88 5 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 0 1 1 0 8 1 pfstitem 24 60 0 1 1 0 1 1 0 8 0 pfstkey 128 65 0 6 2 0 2 2 0 8 0 pfstate 448 62 0 4 7 0 7 7 0 8 0 pfrule 1360 29 0 23 2 1 1 2 0 8 0 rttmr 136 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 691 0 270 31 2 29 31 0 8 2 art_table 40 692 0 270 5 0 5 5 0 8 0 art_node 32 157 0 73 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semapl 72 74 0 64 1 0 1 1 0 8 0 shmpl 112 54 0 0 2 0 2 2 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2678 0 1196 93 0 93 93 0 8 0 ffsino 296 2678 0 1196 115 0 115 115 0 8 0 nchpl 144 3625 0 1907 64 0 64 64 0 8 0 rtmask 32 6 0 6 2 1 1 1 0 8 1 vnodes 216 3194 0 0 178 0 178 178 0 8 0 namei 1024 12504 0 12503 3 0 3 3 0 8 2 percpumem 16 79 0 28 1 0 1 1 0 8 0 kstatmem 264 63 0 32 3 0 3 3 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 12953 0 12953 10 2 8 8 1 8 8 plimitpl 152 226 0 209 1 0 1 1 0 8 0 sigapl 424 1061 0 994 8 0 8 8 0 8 0 knotepl 120 746 0 0 23 0 23 23 0 8 0 kqueuepl 224 326 0 320 5 2 3 5 0 8 2 pipepl 344 237 0 210 9 3 6 9 0 8 3 fdescpl 528 1024 0 1006 3 0 3 3 0 8 0 filepl 160 6716 0 6542 20 4 16 20 0 8 5 lockfpl 104 286 0 286 1 0 1 1 0 8 1 lockfspl 48 128 0 128 1 0 1 1 0 8 1 sessionpl 144 45 0 36 1 0 1 1 0 8 0 pgrppl 48 66 0 49 1 0 1 1 0 8 0 ucredpl 104 978 0 961 1 0 1 1 0 8 0 zombiepl 144 1008 0 994 1 0 1 1 0 8 0 processpl 1232 1061 0 994 6 0 6 6 0 8 0 procpl 664 1954 0 1877 8 0 8 8 0 8 0 sockpl 752 1697 0 1686 21 12 9 16 0 8 7 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 118 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 224 0 0 14 0 14 14 0 8 0 bufpl 280 6964 0 833 439 0 439 439 0 8 0 anonpl 32 6019 0 0 49 0 49 49 0 246 0 amapchunkpl 152 27505 0 27103 33 0 33 33 0 158 13 amappl16 200 2541 0 2515 20 10 10 14 0 8 8 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 476 0 476 1 0 1 1 0 8 1 amappl13 176 134 0 134 1 0 1 1 0 8 1 amappl12 168 1294 0 1277 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 70 0 70 1 0 1 1 0 8 1 amappl9 144 280 0 280 1 1 0 1 0 8 0 amappl8 136 115 0 114 1 0 1 1 0 8 0 amappl7 128 184 0 183 1 0 1 1 0 8 0 amappl6 120 184 0 183 1 0 1 1 0 8 0 amappl5 112 108 0 107 1 0 1 1 0 8 0 amappl4 104 315 0 312 1 0 1 1 0 8 0 amappl3 96 5216 0 5132 4 0 4 4 0 8 1 amappl2 88 610 0 601 2 0 2 2 0 8 0 amappl1 80 13552 0 13464 16 4 12 16 0 8 8 amappl 88 7382 0 7254 5 0 5 5 0 92 0 uvmvnodes 80 121 0 0 3 0 3 3 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 dma256 256 7 0 7 2 1 1 1 0 8 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 56 0 0 2 0 2 2 0 8 0 uaddrrnd 24 1024 0 1006 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1024 0 1006 1 0 1 1 0 8 0 vmmpekpl 168 10127 0 10079 3 0 3 3 0 8 0 vmmpepl 168 72290 0 71483 97 2 95 97 0 357 57 vmsppl 488 1023 0 1006 5 0 5 5 0 8 0 rwobjpl 80 22059 0 21581 28 3 25 27 0 8 2 pdppl 4096 2055 0 2012 105 58 47 87 0 8 4 pvpl 32 11789 0 0 97 1 96 96 0 265 0 pmappl 256 1023 0 1006 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 302 0 68 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8390fff0) 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(ffffffff83b1af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b1af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83b1af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b1af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsysret(ffff80002a2b67f8,5b,0,ffff8000357a3a70) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2b67f8,5b,0,ffff8000357a3a70) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff8000357a3b20) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff8000357a3b20) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b1eefd4a000, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8390fff0) 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(ffffffff83b1af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b1af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83b1af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b1af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsysret(ffff80002a2b67f8,5b,0,ffff8000357a3a70) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2b67f8,5b,0,ffff8000357a3a70) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff8000357a3b20) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff8000357a3b20) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b1eefd4a000, count: -11 ddb{0}>