panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 6262 65853 0 0 0 0 syz-executor * 92248 55994 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432fda) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c2dc5f0,2000,fffffd80097fd680,ffff80003539a700) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd806c44ee70,ffff80003539a918,ffff80003539a948) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003539a7c0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd806c44ee70,ffff80003539a918,ffff80003539a948,ffff80003539a848) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000fffe2558,ffffff9c,200000000000,2000,6381) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003539aae0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003539aae0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5671912aa60, count: 6 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: ffs_valloc: dup alloc ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432fda) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c2dc5f0,2000,fffffd80097fd680,ffff80003539a700) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd806c44ee70,ffff80003539a918,ffff80003539a948) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003539a7c0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd806c44ee70,ffff80003539a918,ffff80003539a948,ffff80003539a848) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000fffe2558,ffffff9c,200000000000,2000,6381) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003539aae0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003539aae0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5671912aa60, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003539a490 rbx 0xffff8000299aee07 rdx 0xffff8000015ee7c0 rcx 0xffff8000fffe2558 rax 0xffff8000299adff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8104cafc18b33d61 r11 0xcb290e8997b06e6b r12 0xffff8000299aec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81473b35 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003539a480 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=92248 pid=55994 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=73, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe34e8,0xffff8000fffe3260 process=0xffff8000fffe5360 user=0xffff800035395000, vmspace=0xfffffd800bc8f7c0 estcpu=23, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65853 6262 86916 0 7 0 syz-executor 65853 173195 86916 0 3 0x4000080 fsleep syz-executor 65853 438709 86916 0 3 0x4000080 fsleep syz-executor 55994 251424 13667 0 2 0 syz-executor *55994 92248 13667 0 7 0x4000000 syz-executor 55994 207141 13667 0 3 0x4000080 fsleep syz-executor 86916 469092 15710 0 3 0x82 nanoslp syz-executor 2389 37179 15710 0 2 0x2 syz-executor 13667 183312 15710 0 3 0x82 nanoslp syz-executor 47979 468298 15710 0 3 0x2 biowait syz-executor 15710 457768 89611 0 3 0x82 wait syz-executor 89611 63490 17622 0 3 0x10008a sigsusp ksh 17622 193581 79750 0 3 0x98 kqread sshd-session 79750 485701 33484 0 3 0x92 kqread sshd-session 77276 457023 1 0 3 0x100083 ttyin getty 33484 234402 1 0 3 0x88 kqread sshd 82723 523111 46767 74 3 0x1100092 bpf pflogd 46767 192255 1 0 3 0x80 sbwait pflogd 52865 338413 17108 73 3 0x1100090 kqread syslogd 17108 259995 1 0 3 0x100082 sbwait syslogd 16634 26448 1 0 3 0x100080 kqread resolvd 74549 155387 97975 77 3 0x100092 kqread dhcpleased 76237 240704 97975 77 3 0x100092 kqread dhcpleased 97975 167470 1 0 3 0x80 kqread dhcpleased 11264 53627 0 0 3 0x14200 bored smr 18615 392516 0 0 2 0x14200 zerothread 63445 218945 0 0 3 0x14200 aiodoned aiodoned 36247 453383 0 0 3 0x14200 syncer update 71390 344485 0 0 3 0x14200 cleaner cleaner 69237 234773 0 0 3 0x14200 reaper reaper 59203 135031 0 0 3 0x14200 pgdaemon pagedaemon 68240 230131 0 0 3 0x14200 bored viomb 87271 54086 0 0 3 0x40014200 acpi0 acpi0 35274 42923 0 0 3 0x40014200 idle1 96506 91020 0 0 3 0x14200 bored softnet1 10416 469964 0 0 3 0x14200 bored softnet0 18033 45429 0 0 3 0x14200 bored systqmp 49890 489201 0 0 3 0x14200 bored systq 58925 185403 0 0 3 0x14200 tmoslp softclockmp 55269 420244 0 0 3 0x40014200 tmoslp softclock 33321 473432 0 0 3 0x40014200 idle0 1 300453 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 65853 (syz-executor) thread 0xffff8000fffe3250 (6262) exclusive rwlock uobjlk r = 0 (0xfffffd806c569b18) #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 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd800bc8faa8) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 55994 (syz-executor) thread 0xffff8000fffe2558 (92248) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a38200) #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 getblk+0x197 sys/kern/vfs_bio.c:1013 #4 bread+0x45 bio_doread sys/kern/vfs_bio.c:418 [inline] #4 bread+0x45 sys/kern/vfs_bio.c:463 #5 ffs_vget+0x283 sys/ufs/ffs/ffs_vfsops.c:1249 #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:1659 #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 (0xfffffd806c2dcea8) #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:1659 #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 (0xfffffd806c2dc690) #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+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1611 #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 47979 (syz-executor) thread 0xffff80002a251ca0 (468298) exclusive rrwlock inode r = 0 (0xfffffd806c2dc568) #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_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #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 (0xfffffd806cf5c0b8) #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+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11055 12085K 12150K 166960K 12164 0 pcb 17 12K 12K 166960K 19 0 rtable 237 6K 7K 166960K 353 0 pf 34 17K 18K 166960K 45 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1487 0 iov 0 0K 12K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1291 81K 81K 166960K 1370 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 12 41K 93K 166960K 161 0 proc 72 115K 164K 166960K 554 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 381 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 196 166K 177K 166960K 3224 0 UVM aobj 4 2K 2K 166960K 5 0 pinsyscall 37 74K 105K 166960K 1301 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 12 0K 2K 166960K 28 0 temp 36 9070K 9136K 166960K 6009 0 kqueue 14 22K 26K 166960K 31 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 38 0 35 1 0 1 1 0 8 0 rtentry 176 111 0 1 5 0 5 5 0 8 0 unpcb 144 45 0 27 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 11 0 7 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 80 0 73 1 0 1 1 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 pfstitem 24 19 0 0 1 0 1 1 0 8 0 pfstkey 128 19 0 0 1 0 1 1 0 8 0 pfstate 448 19 0 0 3 0 3 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 0 29 0 29 29 0 8 0 art_table 40 453 0 0 5 0 5 5 0 8 0 art_node 32 111 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1607 0 139 93 0 93 93 0 8 0 ffsino 296 1609 0 141 114 0 114 114 0 8 0 nchpl 144 1839 0 143 64 0 64 64 0 8 0 vnodes 216 1702 0 0 95 0 95 95 0 8 0 namei 1024 5621 0 5619 1 0 1 1 0 8 0 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6337 0 6336 3 2 1 2 1 8 0 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 474 0 432 7 0 7 7 0 8 1 knotepl 120 273 0 0 9 0 9 9 0 8 0 kqueuepl 224 31 0 20 1 0 1 1 0 8 0 pipepl 344 123 0 96 3 0 3 3 0 8 0 fdescpl 528 458 0 432 3 0 3 3 0 8 0 filepl 160 1693 0 1486 12 0 12 12 0 8 3 lockfpl 104 10 0 8 1 0 1 1 0 8 0 lockfspl 48 6 0 4 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 96 0 83 1 0 1 1 0 8 0 zombiepl 144 436 0 432 1 0 1 1 0 8 0 processpl 1232 474 0 432 5 0 5 5 0 8 0 procpl 664 530 0 484 6 0 6 6 0 8 0 sockpl 752 163 0 135 4 0 4 4 0 8 1 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 154 0 0 10 0 10 10 0 8 0 bufpl 280 2435 0 105 167 0 167 167 0 8 0 anonpl 32 5555 0 0 45 0 45 45 0 246 0 amapchunkpl 152 9062 0 8709 23 0 23 23 0 158 4 amappl16 200 1682 0 1667 5 2 3 5 0 8 1 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 485 0 484 1 0 1 1 0 8 0 amappl13 176 183 0 171 1 0 1 1 0 8 0 amappl12 168 711 0 686 2 0 2 2 0 8 0 amappl11 160 25 0 25 1 1 0 1 0 8 0 amappl10 152 64 0 50 1 0 1 1 0 8 0 amappl9 144 322 0 322 1 1 0 1 0 8 0 amappl8 136 103 0 101 1 0 1 1 0 8 0 amappl7 128 141 0 128 1 0 1 1 0 8 0 amappl6 120 154 0 153 1 0 1 1 0 8 0 amappl5 112 92 0 82 1 0 1 1 0 8 0 amappl4 104 283 0 265 1 0 1 1 0 8 0 amappl3 96 1676 0 1595 3 0 3 3 0 8 0 amappl2 88 517 0 456 2 0 2 2 0 8 0 amappl1 80 9300 0 8713 15 0 15 15 0 8 1 amappl 88 2510 0 2385 4 0 4 4 0 92 0 uvmvnodes 80 100 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 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 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 458 0 432 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 458 0 432 1 0 1 1 0 8 0 vmmpekpl 168 5593 0 5556 2 0 2 2 0 8 0 vmmpepl 168 37164 0 35536 88 0 88 88 0 357 7 vmsppl 488 457 0 432 5 0 5 5 0 8 1 rwobjpl 80 13648 0 12674 24 0 24 24 0 8 1 pdppl 4096 923 0 864 97 28 69 85 0 8 10 pvpl 32 11171 0 0 91 0 91 91 0 265 0 pmappl 256 457 0 432 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 268 0 31 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8388eff0) 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(ffffffff83a37a00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a37a00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3edcf0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a37a00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a37a00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffffd800bc8f9a8,b5835ce0000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff80003c3ee090,b5835ce0000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c3ee090) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72b6c4dc1020, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8388eff0) 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(ffffffff83a37a00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a37a00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3edcf0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a37a00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a37a00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffffd800bc8f9a8,b5835ce0000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff80003c3ee090,b5835ce0000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c3ee090) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72b6c4dc1020, count: -11 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432fda) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c2dc5f0,2000,fffffd80097fd680,ffff80003539a700) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd806c44ee70,ffff80003539a918,ffff80003539a948) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003539a7c0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd806c44ee70,ffff80003539a918,ffff80003539a948,ffff80003539a848) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000fffe2558,ffffff9c,200000000000,2000,6381) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003539aae0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003539aae0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5671912aa60, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432fda) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c2dc5f0,2000,fffffd80097fd680,ffff80003539a700) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd806c44ee70,ffff80003539a918,ffff80003539a948) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003539a7c0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd806c44ee70,ffff80003539a918,ffff80003539a948,ffff80003539a848) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000fffe2558,ffffff9c,200000000000,2000,6381) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003539aae0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003539aae0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5671912aa60, count: -9