panic: vop_genWARNerIiNcG_:b SaPdoLp NOTSt LOoWEpRpEeDd aONt SYSCALL 49 536870912 EXIT 0 a db _enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 388818 20822 32767 0x8000010 0x4000000 0 syz-executor.1 *401698 96787 32767 0x8000010 0 1K syz-executor.4 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82897181) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000373d8778) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806ab3b1c8,fffffd805014a5b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:634 bwrite(fffffd805014a5b0) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd805014a5b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000373d89f0) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd80585a1520,ffff8000373d8b50,ffff8000373d8b80,ffff8000373d8a80) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a204a60,ffffff9c,71dbaf44ffa0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3104 syscall(ffff8000373d8d00) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373d8d00) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbaf450010, 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(ffffffff82897181) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000373d8778) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806ab3b1c8,fffffd805014a5b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:634 bwrite(fffffd805014a5b0) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd805014a5b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000373d89f0) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd80585a1520,ffff8000373d8b50,ffff8000373d8b80,ffff8000373d8a80) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a204a60,ffffff9c,71dbaf44ffa0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3104 syscall(ffff8000373d8d00) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373d8d00) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbaf450010, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000373d86a0 rbx 0xffff800029cecd77 rdx 0 rcx 0xffff80002a204a60 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x406d8014a8572236 r11 0x85a62e1496ffd617 r12 0xffff800029cecb78 r13 0 r14 0 r15 0x1 rip 0xffffffff81c3ae7c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000373d8690 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) tid=401698 pid=96787 tcnt=1 stat=onproc flags process=8000010 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a205730,0xffff80002a205220 process=0xffff8000ffff23d8 user=0xffff8000373d3000, vmspace=0xfffffd806721cdd8 estcpu=2, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20822 238968 83964 32767 2 0x8000010 syz-executor.1 20822 278305 83964 32767 3 0xc000010 vmmaplk syz-executor.1 20822 388818 83964 32767 7 0xc000010 syz-executor.1 93512 163140 8808 32767 3 0x8000090 nanoslp syz-executor.3 93512 360217 8808 32767 3 0xc000090 kqsel syz-executor.3 *96787 401698 33336 32767 7 0x8000010 syz-executor.4 33336 209397 3473 0 3 0x8000082 wait syz-executor.4 30087 486189 57566 32767 3 0x8000090 nanoslp syz-executor.2 30087 513526 57566 32767 3 0xc000090 fifor syz-executor.2 30087 84701 57566 32767 3 0xc000090 fsleep syz-executor.2 30087 304823 57566 32767 3 0xc000090 fsleep syz-executor.2 59996 165149 16388 32767 3 0x8000090 nanoslp syz-executor.5 59996 96574 16388 32767 3 0xc000090 netacc syz-executor.5 86000 196398 98784 32767 2 0x8000490 syz-executor.0 86000 493841 98784 32767 3 0xc000090 nanoslp syz-executor.0 86000 341349 98784 32767 3 0xc000090 fsleep syz-executor.0 83964 103067 15874 32767 3 0x8000090 nanoslp syz-executor.1 15874 31725 3473 0 3 0x8000082 wait syz-executor.1 16388 349828 65043 32767 3 0x8000090 nanoslp syz-executor.5 65043 382876 3473 0 3 0x8000082 wait syz-executor.5 57566 189324 1 32767 3 0x8000090 nanoslp syz-executor.2 8808 173305 60703 32767 3 0x8000090 nanoslp syz-executor.3 60703 366659 3473 0 3 0x8000082 wait syz-executor.3 98784 236205 10539 32767 3 0x8000090 nanoslp syz-executor.0 10539 134532 3473 0 3 0x8000082 wait syz-executor.0 63129 208027 10254 32767 2 0x8000010 syz-executor.6 10254 18723 3473 0 3 0x8000082 wait syz-executor.6 6770 39483 56773 32767 3 0x8000090 piperd syz-executor.7 56773 181134 3473 0 3 0x8000082 wait syz-executor.7 45214 453974 0 0 3 0x14200 bored sosplice 49127 141860 46181 0 3 0x18100082 netio arp 46181 425729 52377 0 3 0x810008a sigsusp sh 52377 407755 1 0 3 0x8000080 wait syz-executor.2 3473 417763 45660 0 3 0x1a000082 thrsleep syz-fuzzer 3473 145663 45660 0 3 0x1e000082 nanoslp syz-fuzzer 3473 177735 45660 0 3 0x1e000082 wait syz-fuzzer 3473 84798 45660 0 3 0x1e000082 wait syz-fuzzer 3473 118751 45660 0 3 0x1e000082 thrsleep syz-fuzzer 3473 154335 45660 0 3 0x1e000082 thrsleep syz-fuzzer 3473 365507 45660 0 3 0x1e000082 wait syz-fuzzer 3473 417884 45660 0 3 0x1e000082 thrsleep syz-fuzzer 3473 451135 45660 0 3 0x1e000082 wait syz-fuzzer 3473 449102 45660 0 3 0x1e000082 wait syz-fuzzer 3473 449452 45660 0 3 0x1e000082 thrsleep syz-fuzzer 3473 489864 45660 0 3 0x1e000082 kqread syz-fuzzer 3473 371192 45660 0 3 0x1e000082 thrsleep syz-fuzzer 3473 230867 45660 0 3 0x1e000082 thrsleep syz-fuzzer 3473 18436 45660 0 3 0x1e000082 wait syz-fuzzer 3473 245157 45660 0 3 0x1e000082 wait syz-fuzzer 45660 380488 90200 0 3 0x810008a sigsusp ksh 90200 89915 2318 0 3 0x1800009a kqread sshd 91372 462977 1 0 3 0x18100083 ttyin getty 2318 285083 1 0 3 0x18000088 kqread sshd 89090 355287 99284 73 3 0x19100010 ffs_fsync syslogd 99284 147959 1 0 3 0x18100082 sbwait syslogd 25862 308313 1 0 3 0x18100080 kqread resolvd 16809 320799 42715 77 3 0x18100092 kqread dhcpleased 8030 257925 42715 77 3 0x18100092 kqread dhcpleased 42715 67510 1 0 3 0x18000080 kqread dhcpleased 39108 246809 0 0 3 0x14200 bored smr 45184 254973 0 0 2 0x14200 zerothread 66789 486605 0 0 3 0x14200 aiodoned aiodoned 38016 212288 0 0 3 0x14200 syncer update 52072 177324 0 0 3 0x14200 cleaner cleaner 52848 190486 0 0 3 0x14200 reaper reaper 61053 14433 0 0 3 0x14200 pgdaemon pagedaemon 41009 456138 0 0 3 0x14200 bored viomb 81053 223922 0 0 3 0x40014200 acpi0 acpi0 24342 40022 0 0 3 0x40014200 idle1 34080 509796 0 0 3 0x14200 bored softnet3 20773 237685 0 0 3 0x14200 bored softnet2 31142 450765 0 0 3 0x14200 bored softnet1 3540 431571 0 0 3 0x14200 bored softnet0 8043 254144 0 0 3 0x14200 bored systqmp 35091 471816 0 0 3 0x14200 bored systq 91823 388936 0 0 3 0x14200 tmoslp softclockmp 84667 297795 0 0 3 0x40014200 tmoslp softclock 93562 181982 0 0 3 0x40014200 idle0 1 288259 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd80069bddd8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_remove_ptes+0x20c pmap_remove_pv sys/arch/amd64/amd64/pmap.c:1091 [inline] #3 pmap_remove_ptes+0x20c sys/arch/amd64/amd64/pmap.c:1689 #4 pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896 #5 uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 #6 uvm_unmap_remove+0x4c7 sys/uvm/uvm_map.c:2036 #7 uvm_mapanon+0x4a9 sys/uvm/uvm_map.c:805 #8 uvm_mmapanon+0x17f sys/uvm/uvm_mmap.c:1020 #9 sys_mmap+0x7b2 sys/uvm/uvm_mmap.c:421 #10 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd80671255e0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_do_remove+0x99 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0x99 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_do_remove+0x99 sys/arch/amd64/amd64/pmap.c:1800 #4 uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 #5 uvm_unmap_remove+0x4c7 sys/uvm/uvm_map.c:2036 #6 uvm_mapanon+0x4a9 sys/uvm/uvm_map.c:805 #7 uvm_mmapanon+0x17f sys/uvm/uvm_mmap.c:1020 #8 sys_mmap+0x7b2 sys/uvm/uvm_mmap.c:421 #9 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #9 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 20822 (syz-executor.1) thread 0xffff8000ffff67c8 (388818) exclusive UHWVAWAVII kernel: protection fault trap, code=0 Faulted in DDB; continuing... ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10184 6408K 6419K 166960K 11349 0 pcb 17 12K 12K 166960K 17 0 rtable 252 7K 7K 166960K 1475 0 pf 29 8K 8K 166960K 87 0 ifaddr 44 15K 15K 166960K 164 0 ifgroup 50 2K 2K 166960K 166 0 sysctl 4 1K 2K 166960K 6 0 counters 64 36K 36K 166960K 122 0 ioctlops 0 0K 2K 166960K 103 0 iov 0 0K 24K 166960K 246 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1391 87K 87K 166960K 2096 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 95 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 127 0 dirhash 12 2K 3K 166960K 207 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 117K 166960K 3738 0 sigio 0 0K 0K 166960K 52 0 proc 56 78K 115K 166960K 1645 0 subproc 117 7K 8K 166960K 533 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 884 0 in_multi 99 7K 7K 166960K 619 0 ether_multi 1 0K 0K 166960K 23 0 mrt 3 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 1057 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 324 86K 113K 166960K 33904 0 UVM aobj 131 6K 8K 166960K 147 0 pinsyscall 46 92K 108K 166960K 5601 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 299 0 NDP 13 0K 1K 166960K 112 0 temp 79 6812K 6940K 166960K 15295 0 kqueue 13 20K 35K 166960K 599 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 120 552 0 548 1 0 1 1 0 8 0 rtentry 112 489 0 370 4 0 4 4 0 8 0 unpcb 144 2986 0 2968 10 9 1 2 0 8 0 syncache 336 34 0 34 18 18 0 1 0 8 0 tcpqe 32 21 0 21 3 3 0 1 0 8 0 tcpcb 808 2045 0 2037 27 25 2 8 0 8 0 arp 120 82 0 63 1 0 1 1 0 8 0 ipq 40 15 0 14 3 2 1 1 0 8 0 ipqe 40 70 0 68 3 2 1 1 0 8 0 inpcb 384 4551 0 4535 31 28 3 9 0 8 1 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 4 0 4 1 1 0 1 0 8 0 nd6 136 168 0 136 3 1 2 2 0 8 0 kcovpl 48 41 0 32 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1908 0 1420 36 5 31 33 0 8 0 art_table 32 1909 0 1420 5 0 5 5 0 8 0 art_node 16 488 0 379 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 14 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 125 0 115 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 147 0 130 3 0 3 3 0 8 0 dino2pl 256 6779 0 5252 98 1 97 97 0 8 0 ffsino 272 6779 0 5252 103 0 103 103 0 8 0 nchpl 144 12111 0 10379 66 0 66 66 0 8 0 uvmvnodes 80 7321 0 0 150 0 150 150 0 8 0 vnodes 216 7321 0 0 407 0 407 407 0 8 0 namei 1024 44295 0 44294 17 16 1 3 0 8 0 percpumem 16 75 0 29 1 0 1 1 0 8 0 kstatmem 264 80 0 58 2 0 2 2 0 8 0 scxspl 216 120662 0 120661 37 36 1 8 1 8 0 plimitpl 152 996 0 972 2 0 2 2 0 8 0 sigapl 424 3958 0 3903 7 0 7 7 0 8 0 futexpl 64 60125 0 60122 18 17 1 1 0 8 0 knotepl 120 865 0 0 19 0 19 19 0 8 0 kqueuepl 216 1360 0 1348 8 7 1 5 0 8 0 pipepl 320 725 0 694 10 6 4 4 0 8 0 fdescpl 496 3939 0 3903 9 3 6 6 0 8 0 filepl 152 26423 0 26156 26 14 12 13 0 8 0 lockfpl 104 959 0 957 1 0 1 1 0 8 0 lockfspl 48 386 0 384 1 0 1 1 0 8 0 sessionpl 144 52 0 35 1 0 1 1 0 8 0 pgrppl 48 134 0 117 1 0 1 1 0 8 0 ucredpl 104 5904 0 5886 1 0 1 1 0 8 0 zombiepl 144 3903 0 3903 1 0 1 1 0 8 1 processpl 1144 3958 0 3903 5 0 5 5 0 8 0 procpl 656 7898 0 7819 9 1 8 8 0 8 0 sosppl 168 27 0 27 15 15 0 1 0 8 0 sockpl 664 8235 0 8199 40 36 4 10 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 488 0 0 47 9 38 47 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1450 0 0 65 0 65 65 0 8 0 bufpl 280 15924 0 7268 619 0 619 619 0 8 0 anonpl 24 788109 0 781697 259 185 74 142 0 186 5 amapchunkpl 152 120568 0 119797 138 97 41 60 0 158 1 amappl16 200 17057 0 16924 143 129 14 42 0 8 0 amappl15 192 17 0 17 2 2 0 1 0 8 0 amappl14 184 305 0 290 2 1 1 2 0 8 0 amappl13 176 15 0 15 1 1 0 1 0 8 0 amappl12 168 5003 0 4963 4 1 3 3 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 74 0 64 1 0 1 1 0 8 0 amappl9 144 232 0 231 1 0 1 1 0 8 0 amappl8 136 335 0 298 2 0 2 2 0 8 0 amappl7 128 77 0 62 1 0 1 1 0 8 0 amappl6 120 745 0 728 2 1 1 2 0 8 0 amappl5 112 280 0 268 1 0 1 1 0 8 0 amappl4 104 842 0 803 2 0 2 2 0 8 0 amappl3 96 20887 0 20788 8 5 3 4 0 8 0 amappl2 88 4381 0 4302 3 1 2 3 0 8 0 amappl1 80 22176 0 21638 22 9 13 22 0 8 0 amappl 88 32695 0 32464 7 0 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 72 146 0 16 3 0 3 3 0 8 0 uaddrrnd 24 3939 0 3903 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3939 0 3903 1 0 1 1 0 8 0 vmmpekpl 168 29548 0 29465 4 0 4 4 0 8 0 vmmpepl 168 257185 0 255021 238 127 111 122 0 357 7 vmsppl 440 3938 0 3903 5 0 5 5 0 8 0 rwobjpl 56 73667 0 65062 146 23 123 123 0 8 0 pdppl 4096 7885 0 7806 276 189 87 91 0 8 8 pvpl 32 45498 0 0 367 0 367 367 0 265 0 pmappl 248 3938 0 3903 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 699 0 265 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d5fff0) 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: 0x5d1f4579680, count: 10 ddb{0}> trace x86_ipi_db(ffffffff82d5fff0) 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: 0x5d1f4579680, 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(ffffffff82897181) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000373d8778) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806ab3b1c8,fffffd805014a5b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:634 bwrite(fffffd805014a5b0) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd805014a5b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000373d89f0) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd80585a1520,ffff8000373d8b50,ffff8000373d8b80,ffff8000373d8a80) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a204a60,ffffff9c,71dbaf44ffa0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3104 syscall(ffff8000373d8d00) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373d8d00) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbaf450010, count: 4 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82897181) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000373d8778) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806ab3b1c8,fffffd805014a5b0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:634 bwrite(fffffd805014a5b0) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd805014a5b0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000373d89f0) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd80585a1520,ffff8000373d8b50,ffff8000373d8b80,ffff8000373d8a80) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a204a60,ffffff9c,71dbaf44ffa0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3104 syscall(ffff8000373d8d00) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373d8d00) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbaf450010, count: -11