Wpanic: vAoRpN_IgNeGne:r iSPcL_ baNdOTo pL OSWERtEoD ppOeN d SYatSCALL 109 -944947200 E X IT 0 ddb _enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *212529 4971 32767 0x10 0 1K syz-executor.4 417161 37740 0 0x18000012 0 0 sshd db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288b995) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002a215fa8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8067e66000,fffffd807a4f47b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807a4f47b0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807a4f47b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002a216220) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1175 VOP_MKDIR(fffffd80659822d8,ffff80002a216380,ffff80002a2163b0,ffff80002a2162b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a24ed38,ffffff9c,7e1838f233b0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 syscall(ffff80002a216530) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a216530) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e1838f23420, count: 4 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: vop_generic_badop ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288b995) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002a215fa8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8067e66000,fffffd807a4f47b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807a4f47b0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807a4f47b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002a216220) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1175 VOP_MKDIR(fffffd80659822d8,ffff80002a216380,ffff80002a2163b0,ffff80002a2162b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a24ed38,ffffff9c,7e1838f233b0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 syscall(ffff80002a216530) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a216530) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e1838f23420, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a215ed0 rbx 0xffff800029ceccb7 rdx 0 rcx 0xffff80002a24ed38 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd6f16ae6fe7b03fe r11 0x3d143a037e5e571f r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff815d05cc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a215ec0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) tid=212529 pid=4971 tcnt=1 stat=onproc flags process=10 proc=0 runpri=17, usrpri=81, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a24e540,0xffff80002a1ab2c0 process=0xffff8000ffff30e8 user=0xffff80002a211000, vmspace=0xfffffd806b8ed550 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86364 388768 22008 32767 2 0x10 syz-executor.5 86364 84546 22008 32767 2 0x4000010 syz-executor.5 16851 398674 63505 32767 3 0x90 nanoslp syz-executor.0 16851 463342 63505 32767 3 0x4000090 fsleep syz-executor.0 16851 71656 63505 32767 2 0x4000010 syz-executor.0 16851 437160 63505 32767 2 0x4000010 syz-executor.0 93331 230081 15853 32767 2 0x10 syz-executor.2 93331 355742 15853 32767 3 0x4000090 fsleep syz-executor.2 99879 506336 31063 32767 2 0x10 syz-executor.7 31063 379795 60874 0 3 0x82 wait syz-executor.7 15853 47477 29010 32767 2 0x490 syz-executor.2 29010 276274 60874 0 3 0x82 wait syz-executor.2 48040 481143 77618 32767 2 0x10 syz-executor.6 77618 4914 60874 0 3 0x82 wait syz-executor.6 * 4971 212529 51361 32767 7 0x10 syz-executor.4 51361 348103 60874 0 3 0x82 wait syz-executor.4 22008 81340 54203 32767 3 0x90 nanoslp syz-executor.5 54203 50468 60874 0 3 0x82 wait syz-executor.5 63505 367366 42146 32767 2 0x490 syz-executor.0 42146 497878 60874 0 3 0x82 wait syz-executor.0 55076 57451 19557 32767 2 0x490 syz-executor.1 19557 488029 60874 0 3 0x82 wait syz-executor.1 13582 217337 95646 32767 2 0x10 syz-executor.3 95646 493182 60874 0 3 0x82 wait syz-executor.3 55184 240303 0 0 3 0x14200 bored sosplice 60874 160577 1865 0 3 0x1a000082 thrsleep syz-fuzzer 60874 512978 1865 0 3 0x1e000082 nanoslp syz-fuzzer 60874 101010 1865 0 3 0x1e000082 thrsleep syz-fuzzer 60874 318061 1865 0 3 0x1e000082 wait syz-fuzzer 60874 492081 1865 0 3 0x1e000082 wait syz-fuzzer 60874 5297 1865 0 3 0x1e000082 wait syz-fuzzer 60874 184837 1865 0 3 0x1e000082 thrsleep syz-fuzzer 60874 10769 1865 0 3 0x1e000082 wait syz-fuzzer 60874 71998 1865 0 3 0x1e000082 wait syz-fuzzer 60874 163236 1865 0 3 0x1e000082 thrsleep syz-fuzzer 60874 114803 1865 0 3 0x1e000082 thrsleep syz-fuzzer 60874 167243 1865 0 3 0x1e000082 wait syz-fuzzer 60874 197269 1865 0 3 0x1e000082 kqread syz-fuzzer 60874 235721 1865 0 3 0x1e000082 wait syz-fuzzer 60874 272329 1865 0 3 0x1e000082 wait syz-fuzzer 60874 207386 1865 0 3 0x1e000082 thrsleep syz-fuzzer 1865 15602 37740 0 3 0x810008a sigsusp ksh 37740 417161 59445 0 7 0x18000012 sshd 57205 186251 1 0 3 0x18100083 ttyin getty 59445 211939 1 0 3 0x18000088 kqread sshd 79340 104147 69463 73 3 0x19100090 kqread syslogd 69463 329433 1 0 3 0x18100082 netio syslogd 20662 177390 1 0 3 0x18100080 kqread resolvd 96512 171122 42650 77 3 0x18100092 kqread dhcpleased 83449 423261 42650 77 3 0x18100092 kqread dhcpleased 42650 512136 1 0 3 0x18000080 kqread dhcpleased 71596 416003 0 0 3 0x14200 bored smr 22841 147068 0 0 2 0x14200 zerothread 12833 154526 0 0 3 0x14200 aiodoned aiodoned 48840 144081 0 0 3 0x14200 syncer update 59545 151617 0 0 3 0x14200 cleaner cleaner 25358 378 0 0 3 0x14200 reaper reaper 1383 157760 0 0 3 0x14200 pgdaemon pagedaemon 4031 186568 0 0 3 0x14200 bored viomb 6097 244630 0 0 3 0x40014200 acpi0 acpi0 20062 509838 0 0 3 0x40014200 idle1 66231 51393 0 0 3 0x14200 bored softnet3 95728 57793 0 0 3 0x14200 bored softnet2 8473 394649 0 0 3 0x14200 bored softnet1 98167 491108 0 0 3 0x14200 bored softnet0 95129 464540 0 0 3 0x14200 bored systqmp 10421 349099 0 0 3 0x14200 bored systq 96765 515313 0 0 3 0x14200 tmoslp softclockmp 69176 228214 0 0 3 0x40014200 tmoslp softclock 40980 373357 0 0 3 0x40014200 idle0 1 187673 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &kq->kq_lock r = 0 (0xfffffd806f123010) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 kqueue_scan+0x1fd sys/kern/kern_event.c:1376 #4 doppoll+0x28a sys/kern/sys_generic.c:992 #5 sys_ppoll+0x1b8 sys/kern/sys_generic.c:916 #6 syscall+0x5b5 mi_syscall sys/sys/syscall_mi.h:183 [inline] #6 syscall+0x5b5 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 4971 (syz-executor.4) thread 0xffff80002a24ed38 (212529) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e27108) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x494 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19d sys/kern/kern_synch.c:414 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x1fb sys/kern/vfs_bio.c:766 #6 ffs_update+0x27f sys/ufs/ffs/ffs_inode.c:111 #7 ufs_mkdir+0x430 sys/ufs/ufs/ufs_vnops.c:1175 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #10 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x53b sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8062611d60) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1127 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #12 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] #12 syscall+0x53b sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d8cdd58) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3054 #8 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x53b sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 6412K 6419K 166960K 11433 0 pcb 15 16K 18K 166960K 21 0 rtable 252 7K 7K 166960K 3317 0 pf 29 8K 8K 166960K 123 0 ifaddr 44 15K 16K 166960K 238 0 ifgroup 50 2K 2K 166960K 238 0 sysctl 4 1K 2K 166960K 10 0 counters 64 36K 36K 166960K 158 0 ioctlops 0 0K 2K 166960K 376 0 iov 0 0K 32K 166960K 3072 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 5480 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 410 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 228 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 21 77K 117K 166960K 24839 0 sigio 0 0K 0K 166960K 703 0 proc 56 78K 115K 166960K 2971 0 subproc 104 6K 6K 166960K 715 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 3387 0 in_multi 99 7K 7K 166960K 1107 0 ether_multi 1 0K 0K 166960K 21 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 3557 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 405 86K 106K 166960K 244039 0 UVM aobj 131 4K 5K 166960K 146 0 pinsyscall 22 44K 100K 166960K 2787 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 812 0 NDP 11 0K 2K 166960K 168 0 temp 74 6812K 6940K 166960K 63079 0 kqueue 12 18K 30K 166960K 2143 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 1787 0 1784 22 21 1 5 0 8 0 rtentry 112 668 0 549 4 0 4 4 0 8 0 unpcb 144 19222 0 19209 158 157 1 10 0 8 0 syncache 336 266 0 266 47 46 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 443 0 443 33 32 1 1 0 8 1 tcpcb 808 11497 0 11455 273 262 11 16 0 8 6 arp 120 116 0 97 1 0 1 1 0 8 0 ipq 40 31 0 31 12 12 0 1 0 8 0 ipqe 40 162 0 162 12 12 0 1 0 8 0 inpcb 392 22467 0 22418 356 344 12 19 0 8 6 nd6 136 201 0 169 2 0 2 2 0 8 0 kcovpl 48 55 0 47 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2678 0 2186 34 3 31 31 0 8 0 art_table 32 2679 0 2186 4 0 4 4 0 8 0 art_node 16 667 0 558 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 143 0 15 5 1 4 4 0 8 0 dirhash 1024 161 0 144 3 0 3 3 0 8 0 dino2pl 256 33339 0 31798 97 0 97 97 0 8 0 ffsino 272 33339 0 31798 104 0 104 104 0 8 0 nchpl 144 65454 0 63722 66 0 66 66 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 214810 0 214809 13 12 1 2 0 8 0 percpumem 16 93 0 47 1 0 1 1 0 8 0 kstatmem 264 116 0 94 2 0 2 2 0 8 0 scxspl 216 221238 0 221238 85 84 1 8 1 8 1 plimitpl 152 3520 0 3497 39 37 2 2 0 8 1 sigapl 424 25045 0 24993 7 0 7 7 0 8 0 futexpl 64 196158 0 196156 9 8 1 1 0 8 0 knotepl 120 1155 0 0 17 2 15 17 0 8 0 kqueuepl 216 6958 0 6950 127 126 1 14 0 8 0 pipepl 320 4509 0 4481 120 117 3 13 0 8 0 fdescpl 496 25026 0 24994 7 2 5 6 0 8 0 filepl 152 149332 0 149095 276 264 12 27 0 8 2 lockfpl 104 3062 0 3060 1 0 1 1 0 8 0 lockfspl 48 1057 0 1055 1 0 1 1 0 8 0 sessionpl 144 70 0 54 1 0 1 1 0 8 0 pgrppl 48 373 0 357 1 0 1 1 0 8 0 ucredpl 104 22335 0 22317 1 0 1 1 0 8 0 zombiepl 144 24994 0 24993 1 0 1 1 0 8 0 processpl 1136 25045 0 24993 7 2 5 5 0 8 0 procpl 680 68868 0 68796 15 7 8 9 0 8 0 sosppl 168 408 0 402 21 20 1 1 0 8 0 sockpl 584 44763 0 44701 352 342 10 22 0 8 4 mcl64k 65536 46 0 0 5 2 3 3 0 8 0 mcl16k 16384 23 0 0 3 1 2 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 139 0 0 9 6 3 8 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 551 0 0 33 20 13 32 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 2015 0 0 69 1 68 68 0 8 0 bufpl 280 46678 0 40409 449 0 449 449 0 8 0 anonpl 24 2619603 0 2607641 208 107 101 122 0 186 0 amapchunkpl 152 776498 0 775698 219 178 41 52 0 158 3 amappl16 200 60664 0 60321 303 277 26 46 0 8 0 amappl15 192 91 0 90 1 0 1 1 0 8 0 amappl14 184 301 0 283 3 1 2 2 0 8 0 amappl13 176 60 0 58 1 0 1 1 0 8 0 amappl12 168 26395 0 26356 3 1 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 139 0 122 1 0 1 1 0 8 0 amappl9 144 388 0 388 28 28 0 1 0 8 0 amappl8 136 1281 0 1092 7 0 7 7 0 8 0 amappl7 128 180 0 164 1 0 1 1 0 8 0 amappl6 120 1205 0 1179 2 1 1 2 0 8 0 amappl5 112 778 0 765 1 0 1 1 0 8 0 amappl4 104 1549 0 1500 2 0 2 2 0 8 0 amappl3 96 150551 0 150474 4 1 3 4 0 8 0 amappl2 88 27133 0 27050 4 1 3 4 0 8 0 amappl1 80 97888 0 97375 21 9 12 21 0 8 0 amappl 88 242173 0 241940 8 1 7 7 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 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 25026 0 24994 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 25026 0 24994 1 0 1 1 0 8 0 vmmpekpl 168 183026 0 182958 4 0 4 4 0 8 0 vmmpepl 168 1466492 0 1464064 498 368 130 157 0 357 0 vmsppl 448 25025 0 24994 5 0 5 5 0 8 0 rwobjpl 56 367014 0 359467 131 20 111 113 0 8 0 pdppl 4096 50059 0 49988 772 691 81 91 0 8 10 pvpl 32 44505 0 0 360 1 359 359 0 265 0 pmappl 248 25025 0 24994 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1841 0 1395 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cacff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x721611c9ed30, count: 10 ddb{0}> trace x86_ipi_db(ffffffff82cacff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x721611c9ed30, count: -5 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288b995) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002a215fa8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8067e66000,fffffd807a4f47b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807a4f47b0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807a4f47b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002a216220) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1175 VOP_MKDIR(fffffd80659822d8,ffff80002a216380,ffff80002a2163b0,ffff80002a2162b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a24ed38,ffffff9c,7e1838f233b0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 syscall(ffff80002a216530) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a216530) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e1838f23420, count: 4 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288b995) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002a215fa8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8067e66000,fffffd807a4f47b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807a4f47b0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807a4f47b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002a216220) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1175 VOP_MKDIR(fffffd80659822d8,ffff80002a216380,ffff80002a2163b0,ffff80002a2162b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a24ed38,ffffff9c,7e1838f233b0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 syscall(ffff80002a216530) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a216530) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e1838f23420, count: -11