panic: Caught invalid memory access at ffffffff84ecb7d4 size 4 op 0 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *281162 9374 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff8463738e) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff84ecb7d4) at __asan_load4_noabort+0xa3 checkalias(ffff800001d967d8,ffff6784) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d80800,ffff80003bb9bac0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d80800,6659,ffff80003bb9bc80) 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(ffff800001d7d980,ffff80003bb9c560,ffff80003bb9c590) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003bb9c530) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff80003bb9c530) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff80003bb9c530,10001,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff80003ab367f0,ffffff9c,200000000040,10000,0,0,ffff80003bb9c890) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003ab367f0,ffff80003bb9c890,ffff80003bb9c800) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003bb9c890) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb9c890) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff80003bb9c910, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: Caught invalid memory access at ffffffff84ecb7d4 size 4 op 0 ddb{0}> show kasan KASAN: invalid read of 4 bytes at 0xffffffff84ecb7d4 from pc 0xffffffff83a6bddd KASAN: first bad byte at 0xffffffff84ecb7d4 (+0); shadow 0xfa: global redzone (out-of-bounds) KASAN: 0xffffffff84ecb7d4 is 148 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 0xffffffff84ecb680..0xffffffff84ecb900 (1 cell = 8 bytes): 0xffffffff84ecb680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0xffffffff84ecb700: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa >0xffffffff84ecb780: fa fa fa fa fa fa fa fa fa fa[fa]fa fa fa fa fa 0xffffffff84ecb800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0xffffffff84ecb880: 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{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff8463738e) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff84ecb7d4) at __asan_load4_noabort+0xa3 checkalias(ffff800001d967d8,ffff6784) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d80800,ffff80003bb9bac0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d80800,6659,ffff80003bb9bc80) 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(ffff800001d7d980,ffff80003bb9c560,ffff80003bb9c590) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003bb9c530) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff80003bb9c530) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff80003bb9c530,10001,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff80003ab367f0,ffffff9c,200000000040,10000,0,0,ffff80003bb9c890) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003ab367f0,ffff80003bb9c890,ffff80003bb9c800) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003bb9c890) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb9c890) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74ccd0a0bc0, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bb9b750 rbx 0xffff80003bb9b7c0 rdx 0 rcx 0xffffffff85221ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80000016f300 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80003bb9b538 r11 0xffffffff81b873f0 x86_bus_space_io_read_1 r12 0xffffffff8463738e .str.28+0x9d9ae r13 0xffffffff85222c08 cpu_info_full_primary+0x2c08 r14 0xffffffff85222e07 cpu_info_full_primary+0x2e07 r15 0x1 rip 0xffffffff820d6ab7 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80003bb9b750 ss 0x10 db_enter+0x17: popq %rbp ddb{0}> show proc PROC (syz-executor) tid=281162 pid=9374 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=80, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003ab36d20,0xffff80003ab36568 process=0xffff80003ab3ab70 user=0xffff80003bb91000, vmspace=0xffff800000d8a000 estcpu=30, cpticks=21, pctcpu=0.0, user=0, sys=21, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 26708 186064 23912 0 2 0 0 syz-executor 26708 113573 23912 0 2 0 0x4000000 syz-executor 9374 157098 5162 0 2 0 0 syz-executor * 9374 281162 5162 0 7 0 0x4000000 syz-executor 42057 395202 9815 0 2 0 0 syz-executor 42057 101127 9815 0 3 0 0x4000080 fsleep syz-executor 11150 387743 28774 0 2 0 0 syz-executor 11150 101995 28774 0 3 0 0x4000080 fsleep syz-executor 11150 331620 28774 0 3 0 0x4000080 fsleep syz-executor 11150 199164 28774 0 3 0 0x4000080 fsleep syz-executor 34261 131167 25297 0 2 0x1 0xc80 syz-executor 34261 272476 25297 0 3 0x1 0x4000080 kqsel syz-executor 34261 29063 25297 0 3 0x1 0x4000080 fsleep syz-executor 32346 302957 19498 0 2 0 0xc80 syz-executor 32346 516934 19498 0 3 0 0x4000080 kqpoll syz-executor 28774 316724 19178 0 2 0x2 0xc80 syz-executor 19498 369040 19178 0 2 0x2 0 syz-executor 25297 398218 19178 0 2 0x2 0xc80 syz-executor 9815 240688 19178 0 2 0x2 0xc80 syz-executor 5162 223265 19178 0 2 0x2 0xc80 syz-executor 61961 71307 19178 0 2 0x2 0xc80 syz-executor 23912 200767 19178 0 2 0x2 0xc80 syz-executor 40984 256184 19178 0 2 0x2 0xc80 syz-executor 19178 511999 91677 0 3 0x2 0x80 kqread syz-executor 91677 87305 36376 0 3 0x100002 0x88 sigsusp ksh 36376 95044 34804 0 3 0x10 0x88 kqread sshd-session 34804 110967 39268 0 3 0x12 0x80 kqread sshd-session 41834 140626 1 0 3 0x100003 0x80 ttyin getty 39268 52622 1 0 3 0 0x88 kqread sshd 85667 460431 9475 74 3 0x1100012 0x80 bpf pflogd 9475 430079 1 0 3 0 0x80 sbwait pflogd 12480 130633 82128 73 2 0x1100010 0x80 syslogd 82128 501951 1 0 3 0x100002 0x80 sbwait syslogd 33846 99988 1 0 3 0x100000 0x80 kqread resolvd 99449 240059 3911 77 3 0x100012 0x80 kqread dhcpleased 30621 209532 3911 77 3 0x100012 0x80 kqread dhcpleased 3911 433269 1 0 3 0 0x80 kqread dhcpleased 54785 396210 0 0 2 0x14000 0x200 smr 68766 484283 0 0 2 0x14000 0x200 zerothread 29366 311530 0 0 3 0x14000 0x200 aiodoned aiodoned 41698 413261 0 0 3 0x14000 0x200 syncer update 28186 282219 0 0 3 0x14000 0x200 cleaner cleaner 40531 520791 0 0 3 0x14000 0x200 reaper reaper 36606 427541 0 0 3 0x14000 0x200 pgdaemon pagedaemon 68547 44745 0 0 3 0x14000 0x200 bored viomb 58625 264039 0 0 3 0x14000 0x40000200 acpi0 acpi0 68974 454723 0 0 3 0x14000 0x40000200 idle1 98276 100768 0 0 3 0x14000 0x200 bored softnet1 82371 222744 0 0 2 0x14000 0x200 softnet0 84477 470721 0 0 3 0x14000 0x200 smrbar systqmp 4118 375813 0 0 3 0x14000 0x200 bored systq 32300 150671 0 0 2 0x14000 0x200 softclockmp 39996 206395 0 0 3 0x14000 0x40000200 tmoslp softclock 65527 67928 0 0 3 0x14000 0x40000200 idle0 1 61403 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks Process 9374 (syz-executor) thread 0xffff80003ab367f0 (281162) exclusive rrwlock inode r = 0 (0xffff800001d18910) #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 (0xffff800001d18598) #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 (0xffffffff85d77a80) #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 84477 (systqmp) thread 0xffff800045ffe7c8 (470721) shared rwlock systqmp r = 0 (0xffffffff852070f8) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x1ba sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11066 12528K 12627K 166960K 12240 0 pcb 18 28K 30K 166960K 35 0 rtable 193 10K 13K 166960K 353 0 pf 30 21K 24K 166960K 50 0 ifaddr 35 10K 12K 166960K 45 0 ifgroup 47 2K 2K 166960K 55 0 sysctl 1 1K 13K 166960K 5 0 counters 66 41K 42K 166960K 70 0 ioctlops 0 0K 4K 166960K 1489 0 iov 0 0K 4K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1389 89K 89K 166960K 1512 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 6K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 1K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 17 61K 89K 166960K 184 0 sigio 0 0K 0K 166960K 2 0 proc 71 128K 177K 166960K 562 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 2 0 in_multi 77 5K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 55 384K 384K 166960K 55 0 exec 0 0K 2K 166960K 382 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 235 256K 273K 166960K 3519 0 UVM aobj 6 8K 8K 166960K 6 0 pinsyscall 1066 1735K 1737K 166960K 1340 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 10 0K 2K 166960K 28 0 temp 36 9162K 9172K 166960K 4072 0 kqueue 14 44K 48K 166960K 34 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 34 0 31 1 0 1 1 0 8 0 rtentry 176 112 0 24 6 0 6 6 0 8 0 unpcb 144 93 0 76 2 0 2 2 0 8 1 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 13 0 9 1 0 1 1 0 8 0 arp 136 18 0 4 1 0 1 1 0 8 0 inpcb 328 155 0 145 7 0 7 7 0 8 6 nd6 152 25 0 7 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 21 0 0 1 0 1 1 0 8 0 pfstkey 128 21 0 0 1 0 1 1 0 8 0 pfstate 448 21 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 46 29 0 29 29 0 8 1 art_table 40 455 0 46 5 0 5 5 0 8 0 art_node 32 112 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 72 1 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1659 0 191 93 0 93 93 0 8 0 ffsino 296 1659 0 191 114 0 114 114 0 8 0 nchpl 144 1917 0 213 64 0 64 64 0 8 0 vnodes 216 1877 0 0 105 0 105 105 0 8 0 namei 1024 6043 0 6042 2 0 2 2 0 8 1 percpumem 16 51 0 2 1 0 1 1 0 8 0 kstatmem 264 27 0 4 2 0 2 2 0 8 0 scxspl 216 7025 0 7025 4 1 3 3 1 8 3 plimitpl 152 32 0 15 1 0 1 1 0 8 0 sigapl 424 501 0 453 7 0 7 7 0 8 1 knotepl 120 62 0 0 2 0 2 2 0 8 0 kqueuepl 224 36 0 24 1 0 1 1 0 8 0 pipepl 344 130 0 103 3 0 3 3 0 8 0 fdescpl 528 485 0 454 3 0 3 3 0 8 0 filepl 160 2086 0 1866 13 0 13 13 0 8 3 lockfpl 104 19 0 16 1 0 1 1 0 8 0 lockfspl 48 11 0 8 1 0 1 1 0 8 0 sessionpl 144 30 0 19 1 0 1 1 0 8 0 pgrppl 48 38 0 19 1 0 1 1 0 8 0 ucredpl 104 194 0 180 1 0 1 1 0 8 0 zombiepl 144 455 0 453 1 0 1 1 0 8 0 processpl 1232 501 0 453 5 0 5 5 0 8 0 procpl 664 591 0 534 6 0 6 6 0 8 0 sockpl 752 284 0 254 11 0 11 11 0 8 7 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k128 9344 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 139 0 0 18 0 18 18 0 8 1 mcl2k 2048 16 0 0 2 0 2 2 0 8 0 mextrefs 64 16 0 0 1 0 1 1 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 137 0 0 9 0 9 9 0 8 0 bufpl 272 2444 0 108 156 0 156 156 0 8 0 anonpl 32 3648 0 0 30 0 30 30 0 222 0 amapchunkpl 152 9524 0 9034 22 0 22 22 0 158 1 amappl16 200 1115 0 1089 4 1 3 4 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 438 0 437 1 0 1 1 0 8 0 amappl13 176 126 0 112 1 0 1 1 0 8 0 amappl12 168 746 0 715 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 71 0 57 1 0 1 1 0 8 0 amappl9 144 277 0 277 1 1 0 1 0 8 0 amappl8 136 101 0 98 1 0 1 1 0 8 0 amappl7 128 153 0 140 1 0 1 1 0 8 0 amappl6 120 153 0 152 1 0 1 1 0 8 0 amappl5 112 94 0 83 1 0 1 1 0 8 0 amappl4 104 309 0 288 1 0 1 1 0 8 0 amappl3 96 1780 0 1666 5 1 4 4 0 8 1 amappl2 88 538 0 477 2 0 2 2 0 8 0 amappl1 80 10711 0 10114 16 1 15 15 0 8 2 amappl 88 2785 0 2622 5 0 5 5 0 92 1 uvmvnodes 80 101 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 485 0 454 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 485 0 454 1 0 1 1 0 8 0 vmmpekpl 168 6043 0 6012 2 0 2 2 0 8 0 vmmpepl 168 39809 0 37900 88 0 88 88 0 357 2 vmsppl 488 484 0 453 5 0 5 5 0 8 1 rwobjpl 80 14206 0 13177 24 0 24 24 0 8 1 pdppl 4096 979 0 906 97 24 73 85 0 8 0 pvpl 32 11200 0 0 91 0 91 91 0 265 0 pmappl 256 484 0 453 3 0 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 426 0 27 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff8463738e) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff84ecb7d4) at __asan_load4_noabort+0xa3 checkalias(ffff800001d967d8,ffff6784) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d80800,ffff80003bb9bac0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d80800,6659,ffff80003bb9bc80) 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(ffff800001d7d980,ffff80003bb9c560,ffff80003bb9c590) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003bb9c530) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff80003bb9c530) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff80003bb9c530,10001,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff80003ab367f0,ffffff9c,200000000040,10000,0,0,ffff80003bb9c890) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003ab367f0,ffff80003bb9c890,ffff80003bb9c800) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003bb9c890) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb9c890) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74ccd0a0bc0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028fe3ff0) 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(ffffffff85d77280) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85d77280) at __mp_lock+0x272 sys/kern/kern_lock.c:173 exit1(ffff80003ab36fb8,0,0,1) at exit1+0xa5d sys/kern/kern_exit.c:262 sys_exit(ffff80003ab36fb8,ffff800034adcd10,ffff800034adcc80) at sys_exit+0x4a syscall(ffff800034adcd10) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034adcd10) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75fde84fb230, count: 7 ddb{1}> trace x86_ipi_db(ffff800028fe3ff0) 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(ffffffff85d77280) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85d77280) at __mp_lock+0x272 sys/kern/kern_lock.c:173 exit1(ffff80003ab36fb8,0,0,1) at exit1+0xa5d sys/kern/kern_exit.c:262 sys_exit(ffff80003ab36fb8,ffff800034adcd10,ffff800034adcc80) at sys_exit+0x4a syscall(ffff800034adcd10) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034adcd10) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75fde84fb230, count: -8