panic: Caught invalid memory access at ffffffff851ea184 size 4 op 0 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *460238 2861 0 0 0x4000000 1K syz-executor 488960 58957 0 0 0 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(ffffffff851ea184) at __asan_load4_noabort+0xa3 checkalias(ffff800001d4b050,4078c2) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff80003270fe20) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,665d,ffff80003270ffe0) 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(ffff800001d2ca68,ffff8000327108c0,ffff8000327108f0) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800032710890) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800032710890) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff800032710890,9,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800045ffc7e0,ffffff9c,2000000002c0,8,0,0,ffff800032710c00) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800045ffc7e0,ffff800032710c00,ffff800032710b60) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff800032710c00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800032710c00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff800032710c80, count: 0 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 ffffffff851ea184 size 4 op 0 ddb{1}> show kasan KASAN: invalid read of 4 bytes at 0xffffffff851ea184 from pc 0xffffffff8402397d KASAN: first bad byte at 0xffffffff851ea184 (+0); shadow 0xfa: global redzone (out-of-bounds) KASAN: 0xffffffff851ea184 is 1508 bytes to the right of the 8160-byte global 'cdevsw' (/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 vn_open+0x240 sys/kern/vfs_vnops.c:146 #9 doopenat+0x460 sys/kern/vfs_syscalls.c:1163 #10 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #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 KASAN: shadow of 0xffffffff851ea080..0xffffffff851ea300 (1 cell = 8 bytes): 0xffffffff851ea080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0xffffffff851ea100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa >0xffffffff851ea180:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0xffffffff851ea200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0xffffffff851ea280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 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(ffffffff851ea184) at __asan_load4_noabort+0xa3 checkalias(ffff800001d4b050,4078c2) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff80003270fe20) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,665d,ffff80003270ffe0) 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(ffff800001d2ca68,ffff8000327108c0,ffff8000327108f0) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800032710890) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800032710890) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff800032710890,9,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800045ffc7e0,ffffff9c,2000000002c0,8,0,0,ffff800032710c00) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800045ffc7e0,ffff800032710c00,ffff800032710b60) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff800032710c00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800032710c00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46278cd2600, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003270fab0 rbx 0xffff80003270fb20 rdx 0 rcx 0xffff800028ff3ff0 rax 0xffff80000016d800 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80003270f898 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 0xffff80003270fab0 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=460238 pid=2861 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ffd4d8,0xffff800045ffca88 process=0xffff800045ff3510 user=0xffff800032705000, vmspace=0xffff800001c4c3e8 estcpu=31, cpticks=20, pctcpu=0.0, user=0, sys=20, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 68514 443696 88243 0 2 0 0 syz-executor 75868 74881 476 0 2 0 0 syz-executor 75868 104880 476 0 3 0 0x4000000 biowait syz-executor 53062 75883 3645 0 2 0 0 syz-executor 53062 65261 3645 0 3 0 0x4000080 fsleep syz-executor 53062 158272 3645 0 3 0 0x4000080 fsleep syz-executor 2861 313849 6654 0 2 0 0 syz-executor * 2861 460238 6654 0 7 0 0x4000000 syz-executor 30818 454281 8926 0 3 0x1 0x80 nanoslp syz-executor 30818 268561 8926 0 3 0x1 0x4000080 kqread syz-executor 30818 418488 8926 0 3 0x1 0x4000080 fsleep syz-executor 68626 380465 10326 0 3 0 0x80 nanoslp syz-executor 68626 505011 10326 0 3 0 0x4000080 fsleep syz-executor 68626 9806 10326 0 3 0 0x4000080 fsleep syz-executor 68626 215799 10326 0 2 0 0x4000000 syz-executor 58957 488960 77274 0 7 0 0 syz-executor 58957 76106 77274 0 3 0 0x4000000 biowait syz-executor 58957 270982 77274 0 3 0 0x4000080 fsleep syz-executor 13357 498412 47388 0 3 0x2 0x80 piperd syz-executor 88243 97801 47388 0 3 0x2 0x80 nanoslp syz-executor 8926 370568 47388 0 3 0x2 0x80 nanoslp syz-executor 3645 182904 47388 0 3 0x2 0x80 nanoslp syz-executor 10326 239201 47388 0 3 0x2 0x80 nanoslp syz-executor 476 329008 47388 0 3 0x2 0x80 nanoslp syz-executor 6654 491854 47388 0 3 0x2 0x80 nanoslp syz-executor 77274 113880 47388 0 3 0x2 0x80 nanoslp syz-executor 47388 117106 76232 0 3 0x2 0x80 nanoslp syz-executor 76232 326001 63898 0 3 0x100002 0x88 sigsusp ksh 63898 212384 94171 0 3 0x10 0x88 kqread sshd-session 94171 119835 33609 0 3 0x12 0x80 kqread sshd-session 39012 5937 1 0 3 0x100003 0x80 ttyin getty 33609 398112 1 0 3 0 0x88 kqread sshd 54355 98362 49849 74 3 0x1100012 0x80 bpf pflogd 49849 146360 1 0 3 0 0x80 sbwait pflogd 95892 457429 43196 73 3 0x1100010 0x80 kqread syslogd 43196 400781 1 0 3 0x100002 0x80 sbwait syslogd 95901 12622 1 0 3 0x100000 0x80 kqread resolvd 3970 129502 62815 77 3 0x100012 0x80 kqread dhcpleased 90285 152978 62815 77 3 0x100012 0x80 kqread dhcpleased 62815 370315 1 0 3 0 0x80 kqread dhcpleased 28171 431816 0 0 3 0x14000 0x200 bored smr 68896 230586 0 0 2 0x14000 0x200 zerothread 68870 439573 0 0 3 0x14000 0x200 aiodoned aiodoned 82454 1507 0 0 3 0x14000 0x200 syncer update 10032 223654 0 0 3 0x14000 0x200 cleaner cleaner 24650 516626 0 0 3 0x14000 0x200 reaper reaper 23028 482857 0 0 3 0x14000 0x200 pgdaemon pagedaemon 40749 320111 0 0 3 0x14000 0x200 bored viomb 71646 384266 0 0 3 0x14000 0x40000200 acpi0 acpi0 51419 350957 0 0 3 0x14000 0x40000200 idle1 61344 326092 0 0 3 0x14000 0x200 bored softnet1 11086 416696 0 0 3 0x14000 0x200 bored softnet0 45147 430191 0 0 3 0x14000 0x200 bored systqmp 13060 164333 0 0 3 0x14000 0x200 bored systq 57261 391316 0 0 3 0x14000 0x200 tmoslp softclockmp 36855 100113 0 0 3 0x14000 0x40000200 tmoslp softclock 25773 371547 0 0 3 0x14000 0x40000200 idle0 1 55553 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 75868 (syz-executor) thread 0xffff800045ffdca0 (104880) exclusive rrwlock inode r = 0 (0xffff800001d06a38) #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 ufs_ihashget+0x233 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x10b sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1529 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 #10 vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 #11 namei+0xe19 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x102 sys/kern/vfs_syscalls.c:1807 #13 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001d06910) #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 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x102 sys/kern/vfs_syscalls.c:1807 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 2861 (syz-executor) thread 0xffff800045ffc7e0 (460238) exclusive rrwlock inode r = 0 (0xffff800001d067e8) #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 vn_open+0x240 sys/kern/vfs_vnops.c:146 #11 doopenat+0x460 sys/kern/vfs_syscalls.c:1163 #12 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #13 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001d06598) #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 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 vn_open+0x240 sys/kern/vfs_vnops.c:146 #8 doopenat+0x460 sys/kern/vfs_syscalls.c:1163 #9 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #11 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 doopenat+0x445 sys/kern/vfs_syscalls.c:1163 #2 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #4 Xsyscall+0x128 Process 58957 (syz-executor) thread 0xffff800045ffd240 (76106) exclusive rrwlock inode r = 0 (0xffff800001c52c80) #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 vn_write+0x200 sys/kern/vfs_vnops.c:410 #6 dofilewritev+0x3ef sys/kern/sys_generic.c:384 #7 sys_writev+0x168 sys/kern/sys_generic.c:327 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11060 12245K 12328K 166960K 12173 0 pcb 18 24K 24K 166960K 21 0 rtable 237 12K 13K 166960K 357 0 pf 37 23K 25K 166960K 49 0 ifaddr 44 12K 12K 166960K 46 0 ifgroup 60 2K 2K 166960K 60 0 sysctl 1 1K 13K 166960K 5 0 counters 72 43K 43K 166960K 72 0 ioctlops 0 0K 4K 166960K 1488 0 iov 0 0K 16K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1297 83K 84K 166960K 1381 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 3 6K 6K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 17 61K 97K 166960K 159 0 proc 70 128K 161K 166960K 552 0 subproc 72 9K 9K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 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 2 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 61 425K 425K 166960K 61 0 exec 0 0K 2K 166960K 393 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 225 208K 230K 166960K 3289 0 UVM aobj 5 4K 4K 166960K 5 0 pinsyscall 1066 1723K 1726K 166960K 1348 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 25 1K 2K 166960K 29 0 temp 34 9162K 9182K 166960K 4019 0 kqueue 14 44K 48K 166960K 35 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 36 0 33 1 0 1 1 0 8 0 rtentry 176 111 0 1 5 0 5 5 0 8 0 unpcb 144 56 0 31 1 0 1 1 0 8 0 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 736 13 0 8 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 78 0 69 2 0 2 2 0 8 1 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 18 0 0 1 0 1 1 0 8 0 pfstkey 128 18 0 0 1 0 1 1 0 8 0 pfstate 448 18 0 0 2 0 2 2 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 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1603 0 131 93 0 93 93 0 8 0 ffsino 296 1603 0 131 114 0 114 114 0 8 0 nchpl 144 1833 0 128 64 0 64 64 0 8 0 vnodes 216 1701 0 0 95 0 95 95 0 8 0 namei 1024 5727 0 5726 1 0 1 1 0 8 0 percpumem 16 52 0 0 1 0 1 1 0 8 0 kstatmem 264 29 0 0 2 0 2 2 0 8 0 scxspl 216 6840 0 6838 4 2 2 2 1 8 1 plimitpl 152 31 0 14 1 0 1 1 0 8 0 sigapl 424 486 0 439 7 0 7 7 0 8 1 knotepl 120 59 0 0 2 0 2 2 0 8 0 kqueuepl 224 33 0 23 1 0 1 1 0 8 0 pipepl 344 132 0 104 3 0 3 3 0 8 0 fdescpl 528 470 0 439 3 0 3 3 0 8 0 filepl 160 1766 0 1531 11 0 11 11 0 8 1 lockfpl 104 12 0 10 1 0 1 1 0 8 0 lockfspl 48 7 0 5 1 0 1 1 0 8 0 sessionpl 144 26 0 16 1 0 1 1 0 8 0 pgrppl 48 34 0 16 1 0 1 1 0 8 0 ucredpl 104 114 0 101 1 0 1 1 0 8 0 zombiepl 144 439 0 439 1 0 1 1 0 8 1 processpl 1232 486 0 439 5 0 5 5 0 8 0 procpl 664 531 0 473 6 0 6 6 0 8 0 sockpl 752 171 0 134 5 0 5 5 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 17 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 137 0 0 9 0 9 9 0 8 0 bufpl 272 2399 0 106 153 0 153 153 0 8 0 anonpl 32 3844 0 0 32 1 31 31 0 222 0 amapchunkpl 152 9056 0 8590 21 0 21 21 0 158 0 amappl16 200 1871 0 1852 5 1 4 5 0 8 2 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 439 0 438 1 0 1 1 0 8 0 amappl13 176 123 0 111 1 0 1 1 0 8 0 amappl12 168 722 0 693 2 0 2 2 0 8 0 amappl11 160 7 0 7 2 1 1 1 0 8 1 amappl10 152 67 0 53 1 0 1 1 0 8 0 amappl9 144 323 0 323 1 1 0 1 0 8 0 amappl8 136 139 0 136 1 0 1 1 0 8 0 amappl7 128 155 0 142 1 0 1 1 0 8 0 amappl6 120 167 0 165 1 0 1 1 0 8 0 amappl5 112 103 0 92 1 0 1 1 0 8 0 amappl4 104 304 0 283 1 0 1 1 0 8 0 amappl3 96 1620 0 1513 3 0 3 3 0 8 0 amappl2 88 565 0 505 2 0 2 2 0 8 0 amappl1 80 10727 0 10118 15 0 15 15 0 8 1 amappl 88 2540 0 2384 4 0 4 4 0 92 0 uvmvnodes 80 100 0 0 3 0 3 3 0 8 0 dma4096 4096 2 0 2 2 1 1 1 0 8 1 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 0 1 0 1 1 0 8 0 uaddrrnd 24 471 0 440 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 471 0 440 1 0 1 1 0 8 0 vmmpekpl 168 5860 0 5826 2 0 2 2 0 8 0 vmmpepl 168 39802 0 37909 87 0 87 87 0 357 1 vmsppl 488 470 0 440 5 0 5 5 0 8 0 rwobjpl 80 14975 0 13956 24 0 24 24 0 8 0 pdppl 4096 950 0 880 104 16 88 88 0 8 18 pvpl 32 11042 0 0 92 2 90 90 0 265 0 pmappl 256 470 0 440 3 0 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 428 0 20 13 0 13 13 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+0x283 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff854edfc0) at __mp_lock+0x283 sys/kern/kern_lock.c:173 intr_handler(ffff80002e2e0b30,ffff800000170180) at intr_handler+0x113 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x77af24853750, count: 9 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+0x283 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff854edfc0) at __mp_lock+0x283 sys/kern/kern_lock.c:173 intr_handler(ffff80002e2e0b30,ffff800000170180) at intr_handler+0x113 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x77af24853750, count: -6 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(ffffffff851ea184) at __asan_load4_noabort+0xa3 checkalias(ffff800001d4b050,4078c2) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff80003270fe20) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,665d,ffff80003270ffe0) 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(ffff800001d2ca68,ffff8000327108c0,ffff8000327108f0) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800032710890) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800032710890) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff800032710890,9,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800045ffc7e0,ffffff9c,2000000002c0,8,0,0,ffff800032710c00) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800045ffc7e0,ffff800032710c00,ffff800032710b60) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff800032710c00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800032710c00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff800032710c80, count: 0 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(ffffffff851ea184) at __asan_load4_noabort+0xa3 checkalias(ffff800001d4b050,4078c2) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d7d800,ffff80003270fe20) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d7d800,665d,ffff80003270ffe0) 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(ffff800001d2ca68,ffff8000327108c0,ffff8000327108f0) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff800032710890) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff800032710890) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff800032710890,9,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800045ffc7e0,ffffff9c,2000000002c0,8,0,0,ffff800032710c00) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800045ffc7e0,ffff800032710c00,ffff800032710b60) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff800032710c00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800032710c00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46278cd2600, count: -15