panic: vop_genericpa_nibacd:op Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 254778 53418 32767 0x10 0 0 syz-executor.2 *117396 50611 32767 0x10 0 1 syz-executor.7 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002c024f88) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807962b7a8,fffffd80798344c0) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd80798344c0) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd80798344c0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002c025220) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd806ba96dc8,ffff80002c025380,ffff80002c0253b0,ffff80002c0252b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff80002123c030,ffffff9c,7f7ffffca0c0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002c025530) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002c025530) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca130, 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 cpu0: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 674 *cpu1: vop_generic_badop ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002c024f88) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807962b7a8,fffffd80798344c0) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd80798344c0) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd80798344c0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002c025220) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd806ba96dc8,ffff80002c025380,ffff80002c0253b0,ffff80002c0252b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff80002123c030,ffffff9c,7f7ffffca0c0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002c025530) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002c025530) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca130, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002c024eb0 rbx 0xffff800020d69b8f rdx 0 rcx 0 rax 0xffff80002123c030 r8 0x101010101010101 r9 0x8080808080808080 r10 0x288a2ac535597d5d r11 0x8bd329cfeec5e76c r12 0xffff800020d69990 r13 0 r14 0 r15 0x1 rip 0xffffffff818c3858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002c024ea0 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.7) pid=117396 stat=onproc flags process=10 proc=0 pri=17, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff80002123cb10,0xffff800024d5d640 process=0xffff8000ffff50d8 user=0xffff80002c020000, vmspace=0xfffffd806c5341b8 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53418 254778 42986 32767 7 0x10 syz-executor.2 84028 132123 18174 32767 2 0x10 syz-executor.6 31304 488678 78924 32767 2 0x10 syz-executor.4 31304 227645 78924 32767 3 0x4000090 fsleep syz-executor.4 73442 288597 71330 32767 3 0x90 nanoslp syz-executor.3 73442 464335 71330 32767 3 0x4000090 netcon syz-executor.3 73442 487645 71330 32767 3 0x4000090 fsleep syz-executor.3 *50611 117396 79645 32767 7 0x10 syz-executor.7 79645 488703 57894 0 3 0x82 wait syz-executor.7 71330 169295 98290 32767 3 0x90 nanoslp syz-executor.3 98290 434822 57894 0 3 0x82 wait syz-executor.3 28164 456711 0 0 3 0x14200 bored sosplice 18174 279292 17489 32767 3 0x90 nanoslp syz-executor.6 17489 298372 57894 0 3 0x82 wait syz-executor.6 93157 21374 86781 32767 3 0x90 nanoslp syz-executor.5 86781 159161 57894 0 3 0x82 wait syz-executor.5 78924 479107 89106 32767 3 0x90 nanoslp syz-executor.4 42986 252683 7749 32767 3 0x90 nanoslp syz-executor.2 89106 428362 57894 0 3 0x82 wait syz-executor.4 7749 142661 57894 0 3 0x82 wait syz-executor.2 48638 91106 83744 32767 2 0x10 syz-executor.1 83744 73397 57894 0 3 0x82 wait syz-executor.1 65103 20902 32161 32767 3 0x90 nanoslp syz-executor.0 32161 124706 57894 0 3 0x82 wait syz-executor.0 57894 183606 74146 0 3 0x82 wait syz-fuzzer 57894 405439 74146 0 3 0x4000082 nanoslp syz-fuzzer 57894 337956 74146 0 3 0x4000082 thrsleep syz-fuzzer 57894 120234 74146 0 3 0x4000082 wait syz-fuzzer 57894 473338 74146 0 3 0x4000082 wait syz-fuzzer 57894 486946 74146 0 3 0x4000082 thrsleep syz-fuzzer 57894 349673 74146 0 3 0x4000082 wait syz-fuzzer 57894 361065 74146 0 3 0x4000082 wait syz-fuzzer 57894 436289 74146 0 3 0x4000082 thrsleep syz-fuzzer 57894 32697 74146 0 3 0x4000082 kqread syz-fuzzer 57894 445302 74146 0 3 0x4000082 thrsleep syz-fuzzer 57894 443804 74146 0 3 0x4000082 thrsleep syz-fuzzer 57894 500031 74146 0 3 0x4000082 wait syz-fuzzer 57894 9881 74146 0 3 0x4000082 wait syz-fuzzer 57894 458293 74146 0 3 0x4000082 thrsleep syz-fuzzer 57894 362046 74146 0 3 0x4000082 wait syz-fuzzer 74146 476415 25126 0 3 0x10008a sigsusp ksh 25126 68019 54300 0 3 0x9a kqread sshd 7866 115170 1 0 3 0x100083 ttyin getty 54300 149460 1 0 3 0x88 kqread sshd 41651 43089 54398 73 3 0x1100090 kqread syslogd 54398 181206 1 0 3 0x100082 netio syslogd 90990 157072 1 0 3 0x100080 kqread resolvd 55876 402070 56460 77 3 0x100092 kqread dhcpleased 21777 489305 56460 77 3 0x100092 kqread dhcpleased 56460 63101 1 0 3 0x80 kqread dhcpleased 74350 144579 0 0 3 0x14200 bored smr 69489 485268 0 0 2 0x14200 zerothread 22221 499237 0 0 3 0x14200 aiodoned aiodoned 67869 399982 0 0 3 0x14200 syncer update 56406 337785 0 0 3 0x14200 cleaner cleaner 3416 45273 0 0 3 0x14200 reaper reaper 2559 200202 0 0 3 0x14200 pgdaemon pagedaemon 92549 144064 0 0 3 0x14200 bored viomb 83468 440792 0 0 3 0x40014200 acpi0 acpi0 35451 73253 0 0 3 0x40014200 idle1 52722 213467 0 0 3 0x14200 bored softnet 64358 468880 0 0 3 0x14200 bored softnet 96952 355178 0 0 2 0x14200 softnet 26343 416727 0 0 3 0x14200 bored softnet 15357 206722 0 0 3 0x14200 bored systqmp 31709 56990 0 0 3 0x14200 bored systq 96707 323401 0 0 3 0x40014200 bored softclock 93645 108976 0 0 3 0x40014200 idle0 1 429975 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31304 (syz-executor.4) thread 0xffff800024d5c898 (227645) exclusive rrwlock inode r = 0 (0xfffffd807979c2b8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1818 #8 ufs_create+0x41 sys/ufs/ufs/ufs_vnops.c:151 #9 VOP_CREATE+0xbc sys/kern/vfs_vops.c:103 #10 vn_open+0x28f sys/kern/vfs_vnops.c:116 #11 doopenat+0x26a sys/kern/vfs_syscalls.c:1127 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807979c5e8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 vn_open+0x188 sys/kern/vfs_vnops.c:107 #8 doopenat+0x26a sys/kern/vfs_syscalls.c:1127 #9 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #9 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #10 Xsyscall+0x128 Process 50611 (syz-executor.7) thread 0xffff80002123c030 (117396) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c2ca98) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:405 #3 sleep_finish+0x180 sys/kern/kern_synch.c:417 #4 tsleep+0x12c sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1268 #6 bwrite+0x21b sys/kern/vfs_bio.c:769 #7 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1220 #9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807979ca28) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc 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:1324 #8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cea9a30) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 Process 48638 (syz-executor.1) thread 0xffff80002122b330 (91106) exclusive rrwlock inode r = 0 (0xfffffd807979cf78) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609 #6 fdrop+0xc7 sys/kern/kern_descrip.c:1274 #7 closef+0x11c sys/kern/kern_descrip.c:1258 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 6411K 6421K 78643K 11317 0 pcb 13 10K 12K 78643K 15 0 rtable 242 6K 7K 78643K 559 0 ifaddr 73 24K 24K 78643K 99 0 sysctl 3 1K 1K 78643K 3 0 counters 60 35K 35K 78643K 68 0 ioctlops 0 0K 2K 78643K 38 0 iov 0 0K 48K 78643K 538 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1272 80K 80K 78643K 1960 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 54 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 708 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 22 81K 121K 78643K 3260 0 sigio 0 0K 0K 78643K 32 0 proc 56 78K 103K 78643K 795 0 subproc 104 6K 6K 78643K 156 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 369 0 in_multi 99 6K 7K 78643K 200 0 ether_multi 1 0K 0K 78643K 23 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 1K 78643K 714 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 352 91K 538K 78643K 25125 0 UVM aobj 131 4K 4K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 97 0 NDP 11 0K 2K 78643K 39 0 temp 124 5778K 5842K 78643K 11452 0 kqueue 12 18K 28K 78643K 291 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 219 0 216 2 1 1 2 0 8 0 rtentry 112 162 0 48 4 0 4 4 0 8 0 unpcb 144 2984 0 2971 33 31 2 6 0 8 1 syncache 296 57 0 57 11 11 0 1 0 8 0 tcpqe 32 104 0 104 7 7 0 1 0 8 0 tcpcb 776 4153 0 4141 56 50 6 15 0 8 1 arp 120 27 0 8 1 0 1 1 0 8 0 ipq 40 2 0 2 2 2 0 1 0 8 0 ipqe 40 8 0 8 2 2 0 1 0 8 0 inpcb 368 5815 0 5800 68 62 6 20 0 8 1 nd6 48 42 0 15 1 0 1 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 646 0 187 30 0 30 30 0 8 0 art_table 32 647 0 187 4 0 4 4 0 8 0 art_node 16 161 0 57 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 706 0 696 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5738 0 4303 91 0 91 91 0 8 0 ffsino 272 5738 0 4303 97 0 97 97 0 8 0 nchpl 144 10038 0 8405 63 0 63 63 0 8 0 uvmvnodes 80 5903 0 0 121 0 121 121 0 8 0 vnodes 216 5903 0 0 328 0 328 328 0 8 0 namei 1024 34566 0 34565 3 2 1 2 0 8 0 percpumem 16 47 0 4 1 0 1 1 0 8 0 kstatmem 264 30 0 8 2 0 2 2 0 8 0 scxspl 216 39476 0 39476 20 19 1 8 0 8 1 plimitpl 152 463 0 440 8 7 1 2 0 8 0 sigapl 424 3547 0 3494 7 0 7 7 0 8 0 futexpl 64 32183 0 32181 3 2 1 1 0 8 0 knotepl 120 422 0 0 11 0 11 11 0 8 0 kqueuepl 216 885 0 877 18 17 1 8 0 8 0 pipepl 320 695 0 667 20 17 3 8 0 8 0 fdescpl 496 3529 0 3496 7 2 5 6 0 8 0 filepl 152 25586 0 25348 56 43 13 18 0 8 2 lockfpl 104 622 0 620 3 2 1 2 0 8 0 lockfspl 48 115 0 113 1 0 1 1 0 8 0 sessionpl 144 27 0 11 1 0 1 1 0 8 0 pgrppl 48 96 0 80 1 0 1 1 0 8 0 ucredpl 104 4077 0 4059 1 0 1 1 0 8 0 zombiepl 144 3496 0 3494 1 0 1 1 0 8 0 processpl 1072 3547 0 3494 5 1 4 5 0 8 0 procpl 696 10039 0 9968 19 10 9 9 0 8 1 sosppl 168 50 0 50 6 5 1 1 0 8 1 sockpl 488 9127 0 9096 166 153 13 30 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 21 0 0 3 1 2 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 297 0 0 37 3 34 37 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 1516 0 0 87 0 87 87 0 8 0 bufpl 288 9941 0 3617 452 0 452 452 0 8 0 anonpl 24 740854 0 727202 136 36 100 128 0 186 0 amapchunkpl 152 416734 0 415995 4392 4218 174 2241 0 158 141 amappl16 200 6629 0 6268 30 9 21 27 0 8 1 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 170 0 156 2 1 1 2 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 467 0 462 1 0 1 1 0 8 0 amappl11 160 51 0 40 1 0 1 1 0 8 0 amappl10 152 38 0 27 1 0 1 1 0 8 0 amappl9 144 992 0 991 1 0 1 1 0 8 0 amappl8 136 310 0 230 3 0 3 3 0 8 0 amappl7 128 183 0 159 2 0 2 2 0 8 0 amappl6 120 233 0 214 2 1 1 2 0 8 0 amappl5 112 199 0 192 1 0 1 1 0 8 0 amappl4 104 616 0 585 2 1 1 2 0 8 0 amappl3 96 10559 0 10506 2 0 2 2 0 8 0 amappl2 88 4152 0 4074 3 1 2 3 0 8 0 amappl1 80 84094 0 83378 26 8 18 26 0 8 0 amappl 88 24466 0 24260 7 1 6 6 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 3529 0 3496 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3529 0 3496 1 0 1 1 0 8 0 vmmpekpl 168 34472 0 34415 3 0 3 3 0 8 0 vmmpepl 168 333456 0 330736 162 25 137 143 0 357 3 vmsppl 440 3528 0 3496 5 0 5 5 0 8 0 rwobjpl 56 96397 0 88891 111 3 108 108 0 8 0 pdppl 4096 7065 0 6992 169 88 81 93 0 8 8 pvpl 32 1530254 0 1510663 362 183 179 362 0 265 0 pmappl 248 3528 0 3496 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1053 0 158 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82bc1ff0) at x86_ipi_db+0x1a 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+0x23 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x4b sys/dev/cons.c:218 db_putchar(6b) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(6b) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064 db_printf(ffffffff827ce835) at db_printf+0x85 sys/kern/subr_prf.c:498 panic(ffffffff8274c9bf) at panic+0xd7 sys/kern/subr_prf.c:216 __assert(ffffffff827cb2dd,ffffffff82789f75,2a2,ffffffff827822c6) at __assert+0x25 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x131 end trace frame: 0x0, count: 3 ddb{0}> trace x86_ipi_db(ffffffff82bc1ff0) at x86_ipi_db+0x1a 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+0x23 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x4b sys/dev/cons.c:218 db_putchar(6b) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(6b) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064 db_printf(ffffffff827ce835) at db_printf+0x85 sys/kern/subr_prf.c:498 panic(ffffffff8274c9bf) at panic+0xd7 sys/kern/subr_prf.c:216 __assert(ffffffff827cb2dd,ffffffff82789f75,2a2,ffffffff827822c6) at __assert+0x25 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x131 end trace frame: 0x0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002c024f88) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807962b7a8,fffffd80798344c0) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd80798344c0) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd80798344c0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002c025220) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd806ba96dc8,ffff80002c025380,ffff80002c0253b0,ffff80002c0252b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff80002123c030,ffffff9c,7f7ffffca0c0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002c025530) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002c025530) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca130, count: 4 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002c024f88) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807962b7a8,fffffd80798344c0) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd80798344c0) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd80798344c0) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002c025220) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd806ba96dc8,ffff80002c025380,ffff80002c0253b0,ffff80002c0252b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff80002123c030,ffffff9c,7f7ffffca0c0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002c025530) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002c025530) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca130, count: -11