ppanic: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 675 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *126760 55066 32767 0x10 0 1 syz-executor.0 247947 8658 32767 0x10 0x4000000 0 syz-executor.4 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82792151) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828115c3,ffffffff827d74bb,2a3,ffffffff827c990b) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: 11 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: vop_generic_badop cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 675 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82792151) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828115c3,ffffffff827d74bb,2a3,ffffffff827c990b) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: -4 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000295e1030 rbx 0xffff800020d59b8f rdx 0 rcx 0 rax 0xffff8000212925a8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5d15128ef6cd904d r11 0xe107b72802efdf2f r12 0xffff800020d59990 r13 0 r14 0xffffffff82b6d990 cpu_info_full_primary+0x2990 r15 0x1 rip 0xffffffff8174403c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000295e1020 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=126760 stat=onproc flags process=10 proc=0 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000212938b0,0xffffffff82cd3340 process=0xffff8000ffff8008 user=0xffff8000295dc000, vmspace=0xfffffd806c303200 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *55066 126760 93963 32767 7 0x10 syz-executor.0 99703 75752 57314 32767 3 0x90 nanoslp syz-executor.6 99703 340728 57314 32767 3 0x4000090 fsleep syz-executor.6 48668 3979 94746 32767 2 0x10 syz-executor.7 48668 341403 94746 32767 2 0x4000010 syz-executor.7 8658 32612 50507 32767 2 0x10 syz-executor.4 8658 247947 50507 32767 7 0x4000010 syz-executor.4 8658 472311 50507 32767 3 0x4000090 fsleep syz-executor.4 8658 85287 50507 32767 3 0x4000010 inode syz-executor.4 27124 447950 52202 32767 2 0x10 syz-executor.2 52202 239386 52508 0 3 0x82 wait syz-executor.2 80418 486499 0 0 3 0x14200 bored sosplice 51862 76621 27641 32767 2 0x10 syz-executor.5 94746 277281 38930 32767 3 0x90 nanoslp syz-executor.7 57314 53986 84862 32767 3 0x90 nanoslp syz-executor.6 38930 355966 52508 0 3 0x82 wait syz-executor.7 84862 510629 52508 0 3 0x82 wait syz-executor.6 50507 391514 24585 32767 3 0x90 nanoslp syz-executor.4 27641 378184 52508 0 3 0x82 wait syz-executor.5 39040 278888 50085 32767 3 0x90 nanoslp syz-executor.3 24585 488026 52508 0 3 0x82 wait syz-executor.4 50085 45474 52508 0 3 0x82 wait syz-executor.3 53421 247790 88676 32767 3 0x10 biowait syz-executor.1 88676 250392 52508 0 3 0x82 wait syz-executor.1 93963 24825 88445 32767 2 0x10 syz-executor.0 88445 274527 52508 0 3 0x82 wait syz-executor.0 52508 98165 67645 0 3 0x82 wait syz-fuzzer 52508 309249 67645 0 3 0x4000082 nanoslp syz-fuzzer 52508 93495 67645 0 3 0x4000082 thrsleep syz-fuzzer 52508 469337 67645 0 3 0x4000082 wait syz-fuzzer 52508 278161 67645 0 3 0x4000082 thrsleep syz-fuzzer 52508 222972 67645 0 3 0x4000082 wait syz-fuzzer 52508 182009 67645 0 3 0x4000082 wait syz-fuzzer 52508 243037 67645 0 3 0x4000082 thrsleep syz-fuzzer 52508 447936 67645 0 3 0x4000082 thrsleep syz-fuzzer 52508 191674 67645 0 3 0x4000082 wait syz-fuzzer 52508 127155 67645 0 3 0x4000082 thrsleep syz-fuzzer 52508 64193 67645 0 3 0x4000082 thrsleep syz-fuzzer 52508 90942 67645 0 3 0x4000082 wait syz-fuzzer 52508 2482 67645 0 3 0x4000082 wait syz-fuzzer 52508 47017 67645 0 3 0x4000082 wait syz-fuzzer 52508 522080 67645 0 3 0x4000082 kqread syz-fuzzer 67645 289521 48073 0 3 0x10008a sigsusp ksh 48073 321217 41237 0 3 0x9a kqread sshd 43365 452786 1 0 3 0x100083 ttyin getty 41237 92474 1 0 3 0x88 kqread sshd 87749 68731 69704 73 3 0x1100090 kqread syslogd 69704 413549 1 0 3 0x100082 netio syslogd 25410 407599 1 0 3 0x100080 kqread resolvd 30247 293173 39175 77 3 0x100092 kqread dhcpleased 87416 292841 39175 77 3 0x100092 kqread dhcpleased 39175 255068 1 0 3 0x80 kqread dhcpleased 75957 108486 0 0 3 0x14200 bored smr 99023 206577 0 0 2 0x14200 zerothread 76654 159081 0 0 3 0x14200 aiodoned aiodoned 57662 271761 0 0 3 0x14200 syncer update 22567 333813 0 0 3 0x14200 cleaner cleaner 80286 503795 0 0 3 0x14200 reaper reaper 25864 55848 0 0 3 0x14200 pgdaemon pagedaemon 65200 446128 0 0 3 0x14200 bored viomb 32177 507433 0 0 3 0x40014200 acpi0 acpi0 64691 7394 0 0 3 0x40014200 idle1 91560 271951 0 0 3 0x14200 bored softnet3 56259 248663 0 0 3 0x14200 bored softnet2 53339 479363 0 0 3 0x14200 bored softnet1 38500 22552 0 0 3 0x14200 bored softnet0 67365 114607 0 0 3 0x14200 bored systqmp 14014 270544 0 0 3 0x14200 bored systq 4552 177459 0 0 3 0x40014200 bored softclock 18167 191652 0 0 3 0x40014200 idle0 1 110277 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 8658 (syz-executor.4) thread 0xffff8000212935f8 (247947) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c4ce28) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3c3 sys/kern/sched_bsd.c:405 #3 sleep_finish+0x184 sys/kern/kern_synch.c:417 #4 tsleep+0x12b sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1278 #6 bwrite+0x21f sys/kern/vfs_bio.c:769 #7 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #9 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #10 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806826f6f8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 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+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e38f810) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 Process 27124 (syz-executor.2) thread 0xffff8000212742e8 (447950) exclusive rrwlock inode r = 0 (0xfffffd8066f5f0a8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xca vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xca sys/kern/vfs_vnops.c:609 #6 fdrop+0xcb sys/kern/kern_descrip.c:1274 #7 closef+0x120 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:632 #9 Xsyscall+0x128 Process 51862 (syz-executor.5) thread 0xffff8000212922f0 (76621) exclusive rrwlock inode r = 0 (0xfffffd806e3e12c8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066f5fb48) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 Process 53421 (syz-executor.1) thread 0xffff80002121f330 (247790) exclusive rrwlock inode r = 0 (0xfffffd806e3e1818) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d5cdd68) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 6411K 6419K 78643K 11300 0 pcb 13 12K 14K 78643K 17 0 rtable 240 6K 7K 78643K 711 0 ifaddr 73 24K 24K 78643K 81 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 35K 78643K 62 0 ioctlops 0 0K 2K 78643K 118 0 iov 0 0K 36K 78643K 645 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 2551 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 52 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1494 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 22 81K 121K 78643K 4338 0 sigio 0 0K 0K 78643K 53 0 proc 56 78K 103K 78643K 694 0 subproc 104 6K 6K 78643K 117 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 631 0 in_multi 99 6K 7K 78643K 174 0 ether_multi 1 0K 0K 78643K 21 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 223 996K 996K 78643K 223 0 exec 0 0K 1K 78643K 813 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 400 96K 983K 78643K 45411 0 UVM aobj 131 8K 8K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 101 0 NDP 11 0K 2K 78643K 30 0 temp 124 5866K 5946K 78643K 13936 0 kqueue 12 18K 26K 78643K 441 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 120 312 0 309 5 4 1 3 0 8 0 rtentry 112 130 0 17 4 0 4 4 0 8 0 unpcb 144 3669 0 3656 36 33 3 6 0 8 2 syncache 296 33 0 33 5 5 0 1 0 8 0 tcpqe 32 75 0 75 5 5 0 1 0 8 0 tcpcb 776 6327 0 6320 68 56 12 15 0 8 11 arp 120 22 0 2 1 0 1 1 0 8 0 ipq 40 7 0 7 3 3 0 1 0 8 0 ipqe 40 18 0 18 3 3 0 1 0 8 0 inpcb 368 8475 0 8465 68 57 11 14 0 8 9 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 136 33 0 8 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 516 0 54 32 3 29 30 0 8 0 art_table 32 517 0 54 4 0 4 4 0 8 0 art_node 16 129 0 26 1 0 1 1 0 8 0 semapl 112 1492 0 1482 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7547 0 6099 91 0 91 91 0 8 0 ffsino 272 7547 0 6099 97 0 97 97 0 8 0 nchpl 144 13339 0 11699 63 0 63 63 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 43764 0 43759 4 3 1 3 0 8 0 percpumem 16 44 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 45714 0 45713 15 14 1 8 0 8 0 plimitpl 152 715 0 692 7 5 2 2 0 8 1 sigapl 424 4620 0 4568 7 0 7 7 0 8 0 futexpl 64 42447 0 42445 5 4 1 1 0 8 0 knotepl 120 442 0 0 10 0 10 10 0 8 0 kqueuepl 216 1205 0 1197 21 19 2 5 0 8 1 pipepl 320 1893 0 1865 44 36 8 12 0 8 5 fdescpl 496 4602 0 4569 7 1 6 6 0 8 0 filepl 152 37224 0 36990 66 50 16 24 0 8 6 lockfpl 104 493 0 491 1 0 1 1 0 8 0 lockfspl 48 127 0 125 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 58 0 42 1 0 1 1 0 8 0 ucredpl 104 6534 0 6516 1 0 1 1 0 8 0 zombiepl 144 4569 0 4568 1 0 1 1 0 8 0 processpl 1072 4620 0 4568 5 1 4 5 0 8 0 procpl 696 12661 0 12589 14 5 9 9 0 8 1 sosppl 168 62 0 62 5 4 1 1 0 8 1 sockpl 488 12544 0 12518 212 194 18 33 0 8 13 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 16 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 304 0 0 37 5 32 37 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 4612 0 0 284 0 284 284 0 8 0 bufpl 288 11462 0 5147 452 0 452 452 0 8 0 anonpl 24 631258 0 618520 135 36 99 108 0 186 0 amapchunkpl 152 546712 0 545833 6489 6426 63 4426 0 158 11 amappl16 200 14605 0 14231 84 63 21 33 0 8 1 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 150 0 136 2 1 1 2 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 5220 0 5186 2 0 2 2 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 23 0 11 1 0 1 1 0 8 0 amappl9 144 263 0 261 2 1 1 2 0 8 0 amappl8 136 407 0 288 5 0 5 5 0 8 0 amappl7 128 104 0 85 1 0 1 1 0 8 0 amappl6 120 319 0 299 2 1 1 2 0 8 0 amappl5 112 222 0 215 1 0 1 1 0 8 0 amappl4 104 753 0 714 2 0 2 2 0 8 0 amappl3 96 28310 0 28224 6 3 3 4 0 8 0 amappl2 88 5052 0 4984 5 3 2 3 0 8 0 amappl1 80 24020 0 23508 22 10 12 22 0 8 0 amappl 88 44714 0 44474 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 4602 0 4569 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4602 0 4569 1 0 1 1 0 8 0 vmmpekpl 168 46739 0 46688 3 0 3 3 0 8 0 vmmpepl 168 285662 0 283258 186 70 116 131 0 357 2 vmsppl 464 4601 0 4569 7 1 6 6 0 8 0 rwobjpl 56 83645 0 76162 115 8 107 110 0 8 0 pdppl 4096 9212 0 9138 186 104 82 94 0 8 8 pvpl 32 1615255 0 1596761 348 168 180 315 0 265 0 pmappl 248 4601 0 4569 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1269 0 174 32 0 32 32 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82b6cff0) 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+0x23 __mp_lock(ffffffff82c4cc20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c4cc20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000246e5070,ffff80000006ba00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(70) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x6bc sys/kern/subr_prf.c:724 db_printf(ffffffff8281487d) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff82786a2f) at panic+0xdb sys/kern/subr_prf.c:216 vop_generic_badop(ffff8000246e5498) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806e3e3498,fffffd806972f900) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 end trace frame: 0xffff8000246e5540, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82b6cff0) 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+0x23 __mp_lock(ffffffff82c4cc20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c4cc20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000246e5070,ffff80000006ba00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(70) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x6bc sys/kern/subr_prf.c:724 db_printf(ffffffff8281487d) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff82786a2f) at panic+0xdb sys/kern/subr_prf.c:216 vop_generic_badop(ffff8000246e5498) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806e3e3498,fffffd806972f900) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806972f900) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806972f900) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000246e5730) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd806450a440,ffff8000246e5890,ffff8000246e58c0,ffff8000246e57c0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212935f8,ffffff9c,20000080,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff8000246e5a40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000246e5a40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4dd2b04b010, count: -21 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(ffffffff82792151) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828115c3,ffffffff827d74bb,2a3,ffffffff827c990b) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: 11 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82792151) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828115c3,ffffffff827d74bb,2a3,ffffffff827c990b) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: -4