panic: Caught invalid memory access at ffffffff851ea3b4 size 4 op 0 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *134589 95080 0 0x2 0 1K syz-executor 23831 53060 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff846365a7) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff851ea3b4) at __asan_load4_noabort+0xa3 checkalias(ffff800001e97bf0,7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff800029a6c1e0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,134d4,ffff800029a6c3a0) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001e956d8,ffff800029a6c9d0,ffff800029a6ca00) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029a6c9a0) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800029a6c9a0) at namei+0xe19 sys/kern/vfs_lookup.c:250 dofstatat(ffff800045ffdca0,ffffff9c,70c280817e60,70c280818260,2) at dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 syscall(ffff800029a6ccc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a6ccc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70c280818310, count: 2 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: Caught invalid memory access at ffffffff851ea3b4 size 4 op 0 ddb{1}> show kasan KASAN: invalid read of 4 bytes at 0xffffffff851ea3b4 from pc 0xffffffff8402397d KASAN: first bad byte at 0xffffffff851ea3b4 (+0); shadow 0xfa: global redzone (out-of-bounds) KASAN: 0xffffffff851ea3b4 is 16 bytes to the right of the 4-byte global 'mem_no' (/syzkaller/managers/kasan/kernel/sys/arch/amd64/amd64/conf.c) KASAN: pc: checkalias+0x47d KASAN: call trace: #0 __asan_load4_noabort+0x82 kasan_shadow_check sys/kern/subr_kasan.c:1014 [inline] #0 __asan_load4_noabort+0x82 sys/kern/subr_kasan.c:1098 #1 checkalias+0x47d sys/kern/vfs_subr.c:603 #2 ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 #3 ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 #4 ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 #5 VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 #6 vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 #7 namei+0xe19 sys/kern/vfs_lookup.c:250 #8 dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 #9 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 KASAN: shadow of 0xffffffff851ea280..0xffffffff851ea500 (1 cell = 8 bytes): 0xffffffff851ea280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0xffffffff851ea300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa >0xffffffff851ea380: 00 fa fa fa 00 fa[fa]fa 00 fa fa fa 00 00 00 00 0xffffffff851ea400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0xffffffff851ea480: 00 fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff846365a7) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff851ea3b4) at __asan_load4_noabort+0xa3 checkalias(ffff800001e97bf0,7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff800029a6c1e0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,134d4,ffff800029a6c3a0) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001e956d8,ffff800029a6c9d0,ffff800029a6ca00) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029a6c9a0) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800029a6c9a0) at namei+0xe19 sys/kern/vfs_lookup.c:250 dofstatat(ffff800045ffdca0,ffffff9c,70c280817e60,70c280818260,2) at dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 syscall(ffff800029a6ccc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a6ccc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70c280818310, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800029a6be70 rbx 0xffff800029a6bee0 rdx 0 rcx 0xffff800028ff3ff0 rax 0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff800029a6bc58 r11 0xffffffff831b6f90 x86_bus_space_io_read_1 r12 0xffffffff846365a7 .str.1+0x9e147 r13 0xffff800028ff4c08 r14 0xffff800028ff4e07 r15 0x1 rip 0xffffffff830fa4f7 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff800029a6be70 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=134589 pid=95080 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029923a00,0xffff800045ffda18 process=0xffff8000298b5348 user=0xffff800029a61000, vmspace=0xffff8000017cfb78 estcpu=36, cpticks=166, pctcpu=1.13, user=0, sys=164, intr=1 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 3150 442677 29451 0 2 0 0 syz-executor 3150 144167 29451 0 3 0 0x4000080 fsleep syz-executor 96398 87963 94018 0 2 0x2 0 ifconfig 20079 373633 38573 0 2 0 0 syz-executor 18204 117320 59229 0 2 0 0 syz-executor 18204 224063 59229 0 3 0 0x4000080 fsleep syz-executor 94018 150323 81351 0 3 0x100002 0x88 sigsusp sh 1482 133421 73580 0 2 0 0 syz-executor 1482 269024 73580 0 3 0 0x4000080 kqread syz-executor 1482 513322 73580 0 3 0 0x4000080 fsleep syz-executor 1482 60720 73580 0 3 0 0x4000080 fsleep syz-executor 81351 407877 53060 0 3 0x2 0x80 wait syz-executor 88227 57053 78945 0 2 0 0 syz-executor 88227 263135 78945 0 3 0 0x4000080 kqread syz-executor 88227 242416 78945 0 3 0 0x4000080 fsleep syz-executor 73580 339419 53060 0 3 0x2 0x80 nanoslp syz-executor 10101 445544 0 0 3 0x14000 0x280 nfsidl nfsio 50120 52396 0 0 3 0x14000 0x280 nfsidl nfsio 66883 464178 0 0 3 0x14000 0x280 nfsidl nfsio 43902 41319 0 0 3 0x14000 0x280 nfsidl nfsio 84992 164868 0 0 3 0x14000 0x280 nfsidl nfsio 16839 113252 0 0 3 0x14000 0x280 nfsidl nfsio 66890 447341 0 0 3 0x14000 0x280 nfsidl nfsio 37149 269836 0 0 3 0x14000 0x280 nfsidl nfsio 53622 51684 0 0 3 0x14000 0x280 nfsidl nfsio 26351 268369 0 0 3 0x14000 0x280 nfsidl nfsio 15097 445121 0 0 3 0x14000 0x280 nfsidl nfsio 55765 76767 0 0 3 0x14000 0x280 nfsidl nfsio 84025 291942 0 0 3 0x14000 0x280 nfsidl nfsio 29194 267511 0 0 3 0x14000 0x280 nfsidl nfsio 67064 508712 0 0 3 0x14000 0x280 nfsidl nfsio 67921 491487 0 0 3 0x14000 0x280 nfsidl nfsio 64811 141545 0 0 3 0x14000 0x280 nfsidl nfsio 32036 63903 0 0 3 0x14000 0x280 nfsidl nfsio 45533 14394 0 0 3 0x14000 0x280 nfsidl nfsio 52710 302699 0 0 3 0x14000 0x280 nfsidl nfsio 78945 461827 53060 0 3 0x2 0x80 nanoslp syz-executor 86603 358201 53060 0 3 0x2 0x80 nanoslp syz-executor 59229 390883 53060 0 3 0x2 0x80 nanoslp syz-executor *95080 134589 53060 0 7 0x2 0 syz-executor 29451 375601 53060 0 3 0x2 0x80 nanoslp syz-executor 38573 410257 53060 0 3 0x2 0x80 nanoslp syz-executor 53060 23831 84446 0 7 0x2 0x1 syz-executor 84446 510827 91922 0 3 0x100002 0x88 sigsusp ksh 91922 335045 92868 0 3 0x10 0x88 kqread sshd-session 92868 283639 45459 0 3 0x12 0x80 kqread sshd-session 26510 290181 1 0 3 0x100003 0x80 ttyin getty 45459 123136 1 0 3 0 0x88 kqread sshd 51633 291924 71201 74 3 0x1100012 0x80 bpf pflogd 71201 45246 1 0 3 0 0x80 sbwait pflogd 33812 204856 47219 73 3 0x1100010 0x80 kqread syslogd 47219 304520 1 0 3 0x100002 0x80 sbwait syslogd 87329 426998 1 0 3 0x100000 0x80 kqread resolvd 28517 336173 71337 77 3 0x100012 0x80 kqread dhcpleased 59528 129052 71337 77 3 0x100012 0x80 kqread dhcpleased 71337 10229 1 0 3 0 0x80 kqread dhcpleased 76502 434783 0 0 3 0x14000 0x200 bored smr 13725 153734 0 0 2 0x14000 0x200 zerothread 1547 383838 0 0 3 0x14000 0x200 aiodoned aiodoned 43271 216139 0 0 3 0x14000 0x200 syncer update 72019 98849 0 0 3 0x14000 0x200 cleaner cleaner 34581 135340 0 0 3 0x14000 0x200 reaper reaper 5243 113038 0 0 3 0x14000 0x200 pgdaemon pagedaemon 91024 264353 0 0 3 0x14000 0x200 bored viomb 71872 380391 0 0 3 0x14000 0x40000200 acpi0 acpi0 78542 237641 0 0 3 0x14000 0x40000200 idle1 56592 323344 0 0 3 0x14000 0x200 bored softnet1 76199 237031 0 0 3 0x14000 0x200 bored softnet0 85952 466266 0 0 3 0x14000 0x200 bored systqmp 61342 300117 0 0 3 0x14000 0x200 bored systq 55315 233463 0 0 3 0x14000 0x200 tmoslp softclockmp 74067 126981 0 0 3 0x14000 0x40000200 tmoslp softclock 13104 304952 0 0 3 0x14000 0x40000200 idle0 1 506660 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 95080 (syz-executor) thread 0xffff800045ffdca0 (134589) exclusive rrwlock inode r = 0 (0xffff80000197dc70) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 #8 vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 #9 namei+0xe19 sys/kern/vfs_lookup.c:250 #10 dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 #11 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001d23220) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vget+0x321 sys/kern/vfs_subr.c:698 #6 cache_lookup+0x579 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x3c0 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 #9 vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 #10 namei+0xe19 sys/kern/vfs_lookup.c:250 #11 dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 #12 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff854ee7c0) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 dofstatat+0x13a sys/kern/vfs_syscalls.c:2025 #2 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #2 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #3 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11076 12286K 12519K 166960K 12738 0 pcb 18 24K 24K 166960K 49 0 rtable 204 19K 20K 166960K 492 0 pf 36 22K 24K 166960K 75 0 ifaddr 38 10K 12K 166960K 69 0 ifgroup 59 2K 2K 166960K 93 0 sysctl 3 1K 13K 166960K 8 0 counters 72 43K 43K 166960K 90 0 ioctlops 0 0K 4K 166960K 1600 0 iov 0 0K 16K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1337 86K 86K 166960K 1715 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 10K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 15 3K 3K 166960K 20 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 18 65K 93K 166960K 512 0 sigio 0 0K 0K 166960K 4 0 proc 79 145K 177K 166960K 707 0 subproc 72 9K 9K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 0 0K 0K 166960K 14 0 in_multi 77 5K 7K 166960K 145 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 15 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 85 587K 587K 166960K 85 0 exec 0 0K 2K 166960K 451 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 227 246K 264K 166960K 6118 0 UVM aobj 86 6K 6K 166960K 86 0 pinsyscall 1067 1865K 1870K 166960K 1780 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 15 0K 2K 166960K 46 0 temp 39 9162K 9182K 166960K 9324 0 kqueue 16 52K 55K 166960K 97 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 44 0 41 1 0 1 1 0 8 0 rtentry 176 157 0 67 6 0 6 6 0 8 0 unpcb 144 445 0 427 7 1 6 6 0 8 5 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpcb 736 45 0 41 1 0 1 1 0 8 0 arp 136 26 0 12 1 0 1 1 0 8 0 inpcb 328 255 0 246 2 0 2 2 0 8 1 nd6 152 38 0 18 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 2 0 2 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 50 0 16 1 0 1 1 0 8 0 pfstkey 128 50 0 16 2 0 2 2 0 8 0 pfstate 448 50 0 16 5 0 5 5 0 8 0 pfrule 1360 27 0 21 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 645 0 273 29 3 26 29 0 8 2 art_table 40 646 0 273 5 0 5 5 0 8 0 art_node 32 157 0 75 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 15 0 2 1 0 1 1 0 8 0 shmpl 112 83 0 0 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2088 0 607 93 0 93 93 0 8 0 ffsino 296 2088 0 607 114 0 114 114 0 8 0 nchpl 144 2743 0 1025 64 0 64 64 0 8 0 vnodes 216 2450 0 0 137 0 137 137 0 8 0 namei 1024 9308 0 9307 2 1 1 2 0 8 0 percpumem 16 61 0 9 1 0 1 1 0 8 0 kstatmem 264 49 0 18 3 0 3 3 0 8 0 scxspl 216 9975 0 9975 4 2 2 3 1 8 2 plimitpl 152 99 0 82 1 0 1 1 0 8 0 sigapl 424 839 0 771 9 1 8 8 0 8 0 knotepl 120 120 0 0 4 0 4 4 0 8 0 kqueuepl 224 151 0 138 2 0 2 2 0 8 1 pipepl 344 175 0 148 3 0 3 3 0 8 0 fdescpl 528 803 0 771 3 0 3 3 0 8 0 filepl 160 4077 0 3853 18 3 15 16 0 8 5 lockfpl 104 191 0 187 1 0 1 1 0 8 0 lockfspl 48 91 0 87 1 0 1 1 0 8 0 sessionpl 144 53 0 43 1 0 1 1 0 8 0 pgrppl 48 70 0 52 1 0 1 1 0 8 0 ucredpl 104 518 0 503 1 0 1 1 0 8 0 zombiepl 144 772 0 771 1 0 1 1 0 8 0 processpl 1232 839 0 771 7 1 6 6 0 8 0 procpl 664 1405 0 1330 8 0 8 8 0 8 0 sockpl 752 748 0 718 19 7 12 17 0 8 8 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 1 14 15 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 18 0 0 1 0 1 1 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 176 0 0 11 0 11 11 0 8 0 bufpl 272 3152 0 107 203 0 203 203 0 8 0 anonpl 32 7476 0 0 61 0 61 61 0 222 0 amapchunkpl 152 18523 0 18072 26 2 24 26 0 158 4 amappl16 200 2484 0 2456 16 12 4 15 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 490 0 488 1 0 1 1 0 8 0 amappl13 176 129 0 117 1 0 1 1 0 8 0 amappl12 168 1069 0 1040 2 0 2 2 0 8 0 amappl11 160 7 0 7 2 2 0 1 0 8 0 amappl10 152 68 0 53 1 0 1 1 0 8 0 amappl9 144 269 0 269 1 1 0 1 0 8 0 amappl8 136 118 0 115 1 0 1 1 0 8 0 amappl7 128 178 0 164 1 0 1 1 0 8 0 amappl6 120 202 0 198 1 0 1 1 0 8 0 amappl5 112 108 0 97 1 0 1 1 0 8 0 amappl4 104 306 0 286 1 0 1 1 0 8 0 amappl3 96 3749 0 3642 5 1 4 4 0 8 0 amappl2 88 575 0 511 2 0 2 2 0 8 0 amappl1 80 12382 0 11768 17 3 14 16 0 8 1 amappl 88 5285 0 5129 5 0 5 5 0 92 0 uvmvnodes 80 109 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 8 0 8 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 85 0 0 2 0 2 2 0 8 0 uaddrrnd 24 803 0 771 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 803 0 771 1 0 1 1 0 8 0 vmmpekpl 168 8538 0 8498 3 0 3 3 0 8 0 vmmpepl 168 59310 0 57411 95 7 88 95 0 357 2 vmsppl 488 802 0 771 6 1 5 5 0 8 0 rwobjpl 80 19464 0 18327 28 3 25 27 0 8 1 pdppl 4096 1614 0 1542 102 28 74 86 0 8 2 pvpl 32 15114 0 0 123 1 122 122 0 265 0 pmappl 256 802 0 771 3 0 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 480 0 37 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffffffff85373ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 sys/kern/kern_lock.c:173 ktrgenio(ffff8000298a5760,3,1,ffff800001c034a0,38) at ktrgenio+0x2e5 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff8000298a5760,3,1,ffff800001c034a0,38) at ktrgenio+0x2e5 sys/kern/kern_ktrace.c:264 dofilewritev(ffff8000298a5760,3,ffff800029932d00,0,ffff800029932ec0) at dofilewritev+0x5ef sys/kern/sys_generic.c:402 sys_write(ffff8000298a5760,ffff800029932f50,ffff800029932ec0) at sys_write+0x141 sys/kern/sys_generic.c:300 syscall(ffff800029932f50) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029932f50) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x706a8346ee40, count: 2 ddb{0}> trace x86_ipi_db(ffffffff85373ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff854edfc0) at __mp_lock+0x272 sys/kern/kern_lock.c:173 ktrgenio(ffff8000298a5760,3,1,ffff800001c034a0,38) at ktrgenio+0x2e5 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff8000298a5760,3,1,ffff800001c034a0,38) at ktrgenio+0x2e5 sys/kern/kern_ktrace.c:264 dofilewritev(ffff8000298a5760,3,ffff800029932d00,0,ffff800029932ec0) at dofilewritev+0x5ef sys/kern/sys_generic.c:402 sys_write(ffff8000298a5760,ffff800029932f50,ffff800029932ec0) at sys_write+0x141 sys/kern/sys_generic.c:300 syscall(ffff800029932f50) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029932f50) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x706a8346ee40, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x17: popq %rbp db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff846365a7) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff851ea3b4) at __asan_load4_noabort+0xa3 checkalias(ffff800001e97bf0,7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff800029a6c1e0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,134d4,ffff800029a6c3a0) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001e956d8,ffff800029a6c9d0,ffff800029a6ca00) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029a6c9a0) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800029a6c9a0) at namei+0xe19 sys/kern/vfs_lookup.c:250 dofstatat(ffff800045ffdca0,ffffff9c,70c280817e60,70c280818260,2) at dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 syscall(ffff800029a6ccc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a6ccc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70c280818310, count: 2 ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff846365a7) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff851ea3b4) at __asan_load4_noabort+0xa3 checkalias(ffff800001e97bf0,7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff800029a6c1e0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,134d4,ffff800029a6c3a0) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001e956d8,ffff800029a6c9d0,ffff800029a6ca00) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029a6c9a0) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800029a6c9a0) at namei+0xe19 sys/kern/vfs_lookup.c:250 dofstatat(ffff800045ffdca0,ffffff9c,70c280817e60,70c280818260,2) at dofstatat+0x14b sys/kern/vfs_syscalls.c:2025 syscall(ffff800029a6ccc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a6ccc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70c280818310, count: -13