panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *225894 76547 0 0x2000 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e683b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039360,ffff800033c0b688,ffff800033c0b6b8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800033c0b658) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff800033c0b658) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4a8030,ffff800033c0b840,ffff800033c0b790) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff800033c0b840) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033c0b840) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c683983980, 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: bad dir ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e683b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039360,ffff800033c0b688,ffff800033c0b6b8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800033c0b658) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff800033c0b658) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4a8030,ffff800033c0b840,ffff800033c0b790) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff800033c0b840) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033c0b840) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c683983980, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800033c0b2f0 rbx 0xffff8000299eeddf rdx 0xffff800001488000 rcx 0xffff80003c4a8030 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf13ed9eec41f2155 r11 0xf9a24503f600e257 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff81a1edf5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800033c0b2e0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=225894 pid=76547 tcnt=2 stat=onproc flags process=2000 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4a8030 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4a8560,0xffff80003c4a9a30 process=0xffff80003c49b5c8 user=0xffff800033c06000, vmspace=0xfffffd800b027000 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76048 501145 34915 0 2 0 syz-executor 76547 48499 96057 0 4 0x82000 syz-executor *76547 225894 96057 0 7 0x4002000 syz-executor 72272 395800 49680 0 2 0 syz-executor 72272 348208 49680 0 3 0x4000000 biowait syz-executor 8638 73464 16146 0 2 0 syz-executor 8638 464910 16146 0 3 0x4000000 inode syz-executor 8638 20113 16146 0 3 0x4000080 fsleep syz-executor 47338 43426 35219 0 2 0 syz-executor 47338 319746 35219 0 3 0x4000080 fifor syz-executor 47338 197295 35219 0 3 0x4000080 fifor syz-executor 47338 11838 35219 0 2 0x4000000 syz-executor 20463 467200 84556 0 2 0 syz-executor 20463 214154 84556 0 3 0x4000080 fsleep syz-executor 20463 433144 84556 0 3 0x4000080 fsleep syz-executor 97086 89908 89395 0 3 0x3000 suspend syz-executor 97086 467603 89395 0 2 0x4081000 syz-executor 96057 380775 58398 0 3 0x82 nanoslp syz-executor 21406 160733 0 0 3 0x14280 nfsidl nfsio 85401 187914 0 0 3 0x14280 nfsidl nfsio 46458 427074 0 0 3 0x14280 nfsidl nfsio 79775 432122 0 0 3 0x14280 nfsidl nfsio 22020 72205 0 0 3 0x14280 nfsidl nfsio 93610 167074 0 0 3 0x14280 nfsidl nfsio 86246 54726 0 0 3 0x14280 nfsidl nfsio 81734 216940 0 0 3 0x14280 nfsidl nfsio 31370 362203 0 0 3 0x14280 nfsidl nfsio 58112 489246 0 0 3 0x14280 nfsidl nfsio 37204 258791 0 0 3 0x14280 nfsidl nfsio 94329 221116 0 0 3 0x14280 nfsidl nfsio 19213 151336 0 0 3 0x14280 nfsidl nfsio 95934 198693 0 0 3 0x14280 nfsidl nfsio 78379 440289 0 0 3 0x14280 nfsidl nfsio 86550 25224 0 0 3 0x14280 nfsidl nfsio 94397 31277 0 0 3 0x14280 nfsidl nfsio 59557 218962 0 0 3 0x14280 nfsidl nfsio 17557 288544 0 0 3 0x14280 nfsidl nfsio 37944 437889 0 0 3 0x14280 nfsidl nfsio 35219 496361 58398 0 3 0x82 nanoslp syz-executor 77516 311372 58398 0 3 0x82 nanoslp syz-executor 15916 391719 1 0 3 0x100083 ttyopn getty 81530 519386 0 0 3 0x14200 bored sosplice 84556 390572 58398 0 3 0x82 nanoslp syz-executor 34915 308998 58398 0 3 0x82 nanoslp syz-executor 49680 389901 58398 0 3 0x82 nanoslp syz-executor 89395 200537 58398 0 3 0x82 wait syz-executor 16146 359076 58398 0 3 0x82 nanoslp syz-executor 58398 212452 27598 0 3 0x82 kqread syz-executor 27598 437871 91586 0 3 0x10008a sigsusp ksh 91586 30226 46675 0 3 0x98 kqread sshd-session 46675 27516 90524 0 3 0x92 kqread sshd-session 90524 500716 1 0 3 0x88 kqread sshd 28324 80847 14950 74 3 0x1100092 bpf pflogd 14950 102113 1 0 3 0x80 sbwait pflogd 46930 45676 73749 73 3 0x1100090 kqread syslogd 73749 342326 1 0 3 0x100082 sbwait syslogd 30897 273253 1 0 3 0x100080 kqread resolvd 42563 468986 80510 77 3 0x100092 kqread dhcpleased 10275 501811 80510 77 3 0x100092 kqread dhcpleased 80510 96870 1 0 3 0x80 kqread dhcpleased 43697 148654 0 0 3 0x14200 bored smr 30324 236315 0 0 2 0x14200 zerothread 36310 84301 0 0 3 0x14200 aiodoned aiodoned 27570 28045 0 0 3 0x14200 syncer update 37195 407428 0 0 3 0x14200 cleaner cleaner 5435 139231 0 0 3 0x14200 reaper reaper 32999 69386 0 0 3 0x14200 pgdaemon pagedaemon 38494 408402 0 0 3 0x14200 bored viomb 15195 27847 0 0 3 0x40014200 acpi0 acpi0 72800 286812 0 0 3 0x40014200 idle1 45517 178516 0 0 3 0x14200 bored softnet7 36335 436599 0 0 3 0x14200 bored softnet6 50721 504304 0 0 3 0x14200 bored softnet5 88329 414707 0 0 3 0x14200 bored softnet4 70972 192687 0 0 3 0x14200 bored softnet3 20882 447924 0 0 3 0x14200 bored softnet2 18806 309376 0 0 3 0x14200 bored softnet1 98062 281810 0 0 3 0x14200 bored softnet0 63774 347049 0 0 3 0x14200 bored systqmp 18779 52442 0 0 3 0x14200 bored systq 40467 272575 0 0 3 0x14200 tmoslp softclockmp 88682 336963 0 0 3 0x40014200 tmoslp softclock 77230 45731 0 0 3 0x40014200 idle0 1 145223 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 76547 (syz-executor) thread 0xffff80003c4a8030 (225894) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83921c88) #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:367 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 ffs_bufatoff+0x16f sys/ufs/ffs/ffs_subr.c:71 #5 ufs_lookup+0x58e sys/ufs/ufs/ufs_lookup.c:256 #6 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #7 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #8 namei+0x7ca sys/kern/vfs_lookup.c:250 #9 sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e4b9e80) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 72272 (syz-executor) thread 0xffff80003c4a9cb8 (348208) exclusive rrwlock inode r = 0 (0xfffffd80734fd218) #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+0xa3 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:1636 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e0a0118) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:1588 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 97086 (syz-executor) thread 0xffff80002a2b67e8 (467603) exclusive rrwlock inode r = 0 (0xfffffd80734fdb58) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11038K 11220K 166960K 12419 0 pcb 17 14K 15K 166960K 395 0 rtable 245 12K 13K 166960K 676 0 pf 36 18K 21K 166960K 234 0 ifaddr 42 8K 8K 166960K 135 0 ifgroup 51 2K 2K 166960K 243 0 sysctl 4 1K 9K 166960K 19 0 counters 66 36K 37K 166960K 272 0 ioctlops 0 0K 4K 166960K 1839 0 iov 0 0K 45K 166960K 139 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1426 90K 90K 166960K 2651 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 78 0 dirhash 12 2K 3K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1882 0 sigio 1 0K 0K 166960K 43 0 proc 72 115K 164K 166960K 793 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 268 0 in_multi 94 6K 7K 166960K 206 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 650 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 160K 174K 166960K 19371 0 UVM aobj 34 4K 4K 166960K 41 0 pinsyscall 42 84K 99K 166960K 3084 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 102 0 NDP 11 0K 2K 166960K 102 0 temp 78 8652K 8759K 166960K 76476 0 kqueue 13 20K 29K 166960K 347 0 SYN cache 2 8K 16K 166960K 3 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 120 253 0 250 2 1 1 2 0 8 0 rtentry 176 213 0 115 5 0 5 5 0 8 0 unpcb 144 1789 0 1768 20 16 4 6 0 8 3 syncache 336 14 0 14 6 5 1 1 0 8 1 tcpqe 32 4 0 4 2 1 1 1 0 8 1 tcpcb 736 665 0 659 13 12 1 9 0 8 0 arp 128 32 0 21 1 0 1 1 0 8 0 inpcb 328 2244 0 2233 26 21 5 10 0 8 3 nd6 144 52 0 23 2 0 2 2 0 8 0 pkpcb 40 31 0 31 4 3 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 3 0 3 2 2 0 1 0 8 0 ppxss 1192 83 0 83 1 0 1 1 0 8 1 pppxif 1504 2 0 2 2 2 0 1 0 8 0 pfstscr 40 10 0 8 1 0 1 1 0 8 0 pffrag 232 12 0 6 1 0 1 1 0 482 0 pffrnode 88 12 0 6 1 0 1 1 0 8 0 pffrent 40 22 0 16 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 pftag 88 4 0 0 1 0 1 1 0 8 0 pfstitem 24 161 0 67 1 0 1 1 0 8 0 pfstkey 128 170 0 77 4 0 4 4 0 8 0 pfstate 384 164 0 72 10 0 10 10 0 8 0 pfrule 1344 37 0 32 2 0 2 2 0 8 1 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1019 0 450 44 6 38 38 0 8 2 art_table 40 1022 0 450 7 0 7 7 0 8 1 art_node 32 213 0 134 1 0 1 1 0 8 0 sysvmsgpl 40 122 0 84 1 0 1 1 0 8 0 semapl 112 75 0 65 1 0 1 1 0 8 0 shmpl 112 38 0 7 1 0 1 1 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 5039 0 3522 96 0 96 96 0 8 0 ffsino 296 5039 0 3522 119 1 118 118 0 8 0 nchpl 144 7731 0 7126 63 38 25 63 0 8 0 rtmask 32 20 0 20 5 4 1 1 0 8 1 uvmvnodes 80 5651 0 0 116 0 116 116 0 8 0 vnodes 216 5651 0 0 314 0 314 314 0 8 0 namei 1024 26422 0 26418 5 4 1 2 0 8 0 percpumem 16 151 0 103 1 0 1 1 0 8 0 kstatmem 264 160 0 136 5 3 2 3 0 8 0 scsiplug 72 10 0 10 3 2 1 1 0 8 1 scxspl 216 54946 0 54945 14 12 2 8 1 8 1 plimitpl 152 445 0 427 1 0 1 1 0 8 0 sigapl 424 2223 0 2148 11 2 9 9 0 8 0 knotepl 120 563 0 0 18 0 18 18 0 8 0 kqueuepl 224 711 0 702 10 8 2 5 0 8 1 pipepl 344 313 0 285 7 4 3 6 0 8 0 fdescpl 528 2156 0 2125 3 0 3 3 0 8 0 filepl 160 14681 0 14460 28 15 13 20 0 8 1 lockfpl 104 573 0 570 1 0 1 1 0 8 0 lockfspl 48 224 0 221 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 76 0 59 1 0 1 1 0 8 0 ucredpl 104 2862 0 2849 1 0 1 1 0 8 0 zombiepl 144 3156 0 3155 1 0 1 1 0 8 0 processpl 1248 2223 0 2148 7 1 6 7 0 8 0 procpl 664 5361 0 5276 9 1 8 9 0 8 0 sosppl 168 15 0 15 6 5 1 1 0 8 1 sockpl 752 4367 0 4332 62 52 10 27 0 8 5 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 363 0 0 20 0 20 20 0 8 0 bufpl 280 22090 0 15947 440 0 440 440 0 8 0 anonpl 32 14045 0 0 114 0 114 114 0 246 0 amapchunkpl 152 64915 0 64373 49 23 26 34 0 158 3 amappl16 200 6751 0 6486 75 60 15 28 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 135 0 123 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 2859 0 2828 4 1 3 3 0 8 0 amappl11 160 53 0 37 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 122 0 109 1 0 1 1 0 8 0 amappl6 120 213 0 210 1 0 1 1 0 8 0 amappl5 112 131 0 122 1 0 1 1 0 8 0 amappl4 104 341 0 320 1 0 1 1 0 8 0 amappl3 96 13275 0 13155 5 1 4 4 0 8 0 amappl2 88 765 0 700 2 0 2 2 0 8 0 amappl1 80 17611 0 17003 18 4 14 15 0 8 0 amappl 88 18280 0 18105 6 1 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 3 0 2 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 258 0 258 4 3 1 1 0 8 1 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 40 0 7 1 0 1 1 0 8 0 uaddrrnd 24 2156 0 2124 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2156 0 2124 1 0 1 1 0 8 0 vmmpekpl 168 19431 0 19382 3 0 3 3 0 8 0 vmmpepl 168 142559 0 140270 125 24 101 114 0 357 1 vmsppl 488 2155 0 2124 5 0 5 5 0 8 0 rwobjpl 80 44093 0 37220 142 1 141 141 0 8 0 pdppl 4096 4320 0 4248 126 54 72 82 0 8 0 pvpl 32 23672 0 0 191 0 191 191 0 265 0 pmappl 256 2155 0 2124 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 349 0 86 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83825ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83921a80) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83921a80) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff80003c46d190,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_do_remove(fffffd806b9be600,f62e569f000,f62e5a9e000,0) at pmap_do_remove+0x6d6 sys/arch/amd64/amd64/pmap.c:1825 uvm_unmap_kill_entry_withlock(fffffd807325ad78,fffffd805cbf5e30,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd807325ad78) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd807325ad78) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff80003c45b250,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80003c45b250,ffff80003c46d5c0,ffff80003c46d510) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c46d5c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46d5c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 end trace frame: 0xffff80003c46d640, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83825ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83921a80) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83921a80) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff80003c46d190,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_do_remove(fffffd806b9be600,f62e569f000,f62e5a9e000,0) at pmap_do_remove+0x6d6 sys/arch/amd64/amd64/pmap.c:1825 uvm_unmap_kill_entry_withlock(fffffd807325ad78,fffffd805cbf5e30,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd807325ad78) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd807325ad78) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff80003c45b250,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80003c45b250,ffff80003c46d5c0,ffff80003c46d510) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c46d5c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46d5c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f6d56ef2450, count: -15 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(ffffffff832e683b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039360,ffff800033c0b688,ffff800033c0b6b8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800033c0b658) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff800033c0b658) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4a8030,ffff800033c0b840,ffff800033c0b790) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff800033c0b840) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033c0b840) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c683983980, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e683b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039360,ffff800033c0b688,ffff800033c0b6b8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff800033c0b658) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff800033c0b658) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4a8030,ffff800033c0b840,ffff800033c0b790) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff800033c0b840) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033c0b840) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c683983980, count: -9