panic: kernel diagnostic assertion "part >= 0 && part < MAXPARTITIONS" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/subr_disk.c", line 1169 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *292877 31507 0 0 0x4000000 0 syz-executor 60150 34956 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a13e1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de65a,ffffffff833bbce4,491,ffffffff833cf36a) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,13,2000,1) at disk_openpart+0x20d sdopen(d13,11,2000,ffff80002c7d74f8) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003b811228) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd805be1e2c0,11,fffffd80097fd2d8,ffff80002c7d74f8) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003b811470,11,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002c7d74f8,ffffff9c,200000000080,10,0,ffff80003b811620) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003b8116d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b8116d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f987b1c3d0, count: 4 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: kernel diagnostic assertion "part >= 0 && part < MAXPARTITIONS" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/subr_disk.c", line 1169 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a13e1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de65a,ffffffff833bbce4,491,ffffffff833cf36a) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,13,2000,1) at disk_openpart+0x20d sdopen(d13,11,2000,ffff80002c7d74f8) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003b811228) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd805be1e2c0,11,fffffd80097fd2d8,ffff80002c7d74f8) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003b811470,11,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002c7d74f8,ffffff9c,200000000080,10,0,ffff80003b811620) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003b8116d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b8116d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f987b1c3d0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003b810ff0 rbx 0xffffffff83869e07 cpu_info_full_primary+0x2e07 rdx 0xffff8000014809c0 rcx 0xffff80002c7d74f8 rax 0xffffffff83868ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd926f1e91c4645ee r11 0x867b22242f5b8609 r12 0xffffffff83869c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff81501635 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003b810fe0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=292877 pid=31507 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=67, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002c7d7cc0,0xffff80003b80b268 process=0xffff80003c4c2b78 user=0xffff80003b80c000, vmspace=0xfffffd807090f7c0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70785 124062 23156 0 2 0xc80 syz-executor 70785 457231 23156 0 3 0x4000080 fsleep syz-executor 70785 253880 23156 0 3 0x4000080 fsleep syz-executor 70785 339163 23156 0 3 0x4000080 fsleep syz-executor 31507 37024 34956 0 2 0 syz-executor *31507 292877 34956 0 7 0x4000000 syz-executor 41537 461218 97760 0 2 0 syz-executor 41537 267962 97760 0 3 0x4000080 fsleep syz-executor 41537 362929 97760 0 3 0x4000080 lockf syz-executor 41235 153317 96258 0 2 0 syz-executor 41235 412437 96258 0 2 0x4000000 syz-executor 41235 347414 96258 0 3 0x4000080 fsleep syz-executor 46093 374234 57572 0 2 0 syz-executor 46093 18167 57572 0 3 0x4000080 pipewr syz-executor 46093 23193 57572 0 3 0x4000080 fsleep syz-executor 46093 339995 57572 0 3 0x4000080 fsleep syz-executor 30040 399246 54128 0 2 0 syz-executor 30040 496186 54128 0 3 0x4000080 fsleep syz-executor 82400 254331 42702 0 3 0x3000 suspend syz-executor 82400 98297 42702 0 2 0x4081000 syz-executor 82400 27077 42702 0 3 0x4081000 inode syz-executor 11999 69667 0 0 3 0x14280 nfsidl nfsio 36817 472771 0 0 3 0x14280 nfsidl nfsio 32220 413194 0 0 3 0x14280 nfsidl nfsio 8422 11595 0 0 3 0x14280 nfsidl nfsio 58584 447418 0 0 3 0x14280 nfsidl nfsio 78125 72401 0 0 3 0x14280 nfsidl nfsio 61098 57062 0 0 3 0x14280 nfsidl nfsio 67313 85405 0 0 3 0x14280 nfsidl nfsio 79519 257639 0 0 3 0x14280 nfsidl nfsio 79558 173779 0 0 3 0x14280 nfsidl nfsio 44583 435946 0 0 3 0x14280 nfsidl nfsio 84591 136531 0 0 3 0x14280 nfsidl nfsio 93956 419260 0 0 3 0x14280 nfsidl nfsio 1187 84769 0 0 3 0x14280 nfsidl nfsio 83268 152860 0 0 3 0x14280 nfsidl nfsio 45613 519111 0 0 3 0x14280 nfsidl nfsio 36020 135756 0 0 3 0x14280 nfsidl nfsio 69559 270969 0 0 3 0x14280 nfsidl nfsio 16978 281022 0 0 3 0x14280 nfsidl nfsio 27443 227549 0 0 3 0x14280 nfsidl nfsio 34956 60150 189 0 7 0x2 syz-executor 97760 257153 189 0 3 0x82 nanoslp syz-executor 54128 512287 189 0 3 0x82 nanoslp syz-executor 23156 376992 189 0 2 0xc82 syz-executor 38944 25398 189 0 3 0x82 wait syz-executor 42702 391786 189 0 3 0x82 wait syz-executor 96258 442317 189 0 3 0x82 nanoslp syz-executor 57572 119359 189 0 3 0x82 nanoslp syz-executor 189 398115 22572 0 3 0x82 kqread syz-executor 22572 3779 82184 0 3 0x10008a sigsusp ksh 82184 457062 37932 0 3 0x98 kqread sshd-session 37932 523913 56415 0 3 0x92 kqread sshd-session 78260 4235 1 0 3 0x100083 ttyopn getty 56415 399099 1 0 3 0x88 kqread sshd 40741 146490 72465 74 3 0x1100092 bpf pflogd 72465 236634 1 0 3 0x80 sbwait pflogd 20559 8434 32944 73 3 0x1100090 kqread syslogd 32944 286794 1 0 3 0x100082 sbwait syslogd 21865 475237 1 0 3 0x100080 kqread resolvd 18136 202945 82624 77 3 0x100092 kqread dhcpleased 9859 302100 82624 77 3 0x100092 kqread dhcpleased 82624 157894 1 0 3 0x80 kqread dhcpleased 54805 328011 0 0 3 0x14200 bored smr 19687 217325 0 0 2 0x14200 zerothread 22774 238708 0 0 3 0x14200 aiodoned aiodoned 32012 217032 0 0 3 0x14200 syncer update 16162 506607 0 0 3 0x14200 cleaner cleaner 5533 451333 0 0 3 0x14200 reaper reaper 12180 430903 0 0 3 0x14200 pgdaemon pagedaemon 32858 83047 0 0 3 0x14200 bored viomb 50900 180780 0 0 3 0x40014200 acpi0 acpi0 77456 352868 0 0 3 0x40014200 idle1 48628 520909 0 0 3 0x14200 bored softnet1 18535 158849 0 0 3 0x14200 bored softnet0 7662 472301 0 0 3 0x14200 bored systqmp 66996 226878 0 0 3 0x14200 bored systq 71251 71744 0 0 3 0x14200 tmoslp softclockmp 64989 21895 0 0 3 0x40014200 tmoslp softclock 8628 163282 0 0 3 0x40014200 idle0 1 453747 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 31507 (syz-executor) thread 0xffff80002c7d74f8 (292877) exclusive rwlock dklk r = 0 (0xffff8000001a1070) #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 sdopen+0x196 sys/scsi/sd.c:337 #3 spec_open+0x2d9 sys/kern/spec_vnops.c:150 #4 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #5 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #6 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838b74c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 doopenat+0x345 sys/kern/vfs_syscalls.c:1138 #2 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #2 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #3 Xsyscall+0x128 Process 41235 (syz-executor) thread 0xffff80003b80a030 (412437) exclusive rrwlock inode r = 0 (0xfffffd807145b368) #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: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:765 #9 Xsyscall+0x128 Process 82400 (syz-executor) thread 0xffff80003b80b4f0 (98297) exclusive rrwlock inode r = 0 (0xfffffd807145ba58) #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: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:765 #9 Xsyscall+0x128 Process 82400 (syz-executor) thread 0xffff80002c7d6800 (27077) exclusive rrwlock inode r = 0 (0xfffffd806a12eb48) #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:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 sys_truncate+0x84 sys/kern/vfs_syscalls.c:2884 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11091K 11305K 166960K 12154 0 pcb 18 14K 16K 166960K 134 0 rtable 224 8K 9K 166960K 461 0 pf 36 18K 19K 166960K 103 0 ifaddr 40 6K 8K 166960K 73 0 ifgroup 55 2K 2K 166960K 110 0 sysctl 4 1K 9K 166960K 10 0 counters 68 36K 37K 166960K 130 0 ioctlops 0 0K 4K 166960K 1619 0 iov 0 0K 20K 166960K 25 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1403 88K 89K 166960K 2052 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 665 0 sigio 0 0K 0K 166960K 15 0 proc 72 115K 147K 166960K 573 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 217 0 in_multi 80 6K 7K 166960K 125 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 466 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 258 160K 170K 166960K 7869 0 UVM aobj 51 4K 4K 166960K 53 0 pinsyscall 43 86K 102K 166960K 1804 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 31 0 NDP 12 0K 2K 166960K 46 0 temp 77 8668K 8740K 166960K 27763 0 kqueue 15 22K 28K 166960K 127 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 94 0 91 2 0 2 2 0 8 1 rtentry 176 143 0 47 6 0 6 6 0 8 0 unpcb 144 315 0 298 3 1 2 2 0 8 1 syncache 336 9 0 8 2 1 1 1 0 8 0 tcpcb 736 194 0 189 7 0 7 7 0 8 6 arp 136 23 0 3 1 0 1 1 0 8 0 inpcb 328 682 0 670 16 6 10 15 0 8 8 nd6 152 33 0 8 2 0 2 2 0 8 0 pkpcb 40 66 0 66 2 2 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 25 0 25 1 0 1 1 0 8 1 pppxif 1504 5 0 5 1 0 1 1 0 8 1 pffrag 232 6 0 1 1 0 1 1 0 482 0 pffrnode 88 6 0 1 1 0 1 1 0 8 0 pffrent 40 7 0 2 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 pfrktable 1344 4 0 4 2 2 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 51 0 15 1 0 1 1 0 8 0 pfstkey 128 55 0 19 2 0 2 2 0 8 0 pfstate 448 51 0 17 6 0 6 6 0 8 0 pfrule 1344 28 0 22 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 561 0 179 31 1 30 30 0 8 3 art_table 40 563 0 179 5 0 5 5 0 8 0 art_node 32 141 0 56 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 49 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2765 0 1256 96 0 96 96 0 8 0 ffsino 296 2765 0 1256 118 0 118 118 0 8 1 nchpl 144 3710 0 2004 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 1 1 1 0 8 1 vnodes 216 3179 0 0 177 0 177 177 0 8 0 namei 1024 12959 0 12958 2 1 1 2 0 8 0 percpumem 16 80 0 31 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 1 0 0 1 0 1 1 0 8 0 kstatmem 264 60 0 34 4 1 3 3 0 8 1 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 20988 0 20988 5 4 1 3 1 8 1 plimitpl 152 243 0 224 1 0 1 1 0 8 0 sigapl 424 996 0 928 8 0 8 8 0 8 0 knotepl 120 497 0 0 16 0 16 16 0 8 0 kqueuepl 224 220 0 207 3 1 2 2 0 8 1 pipepl 344 225 0 197 9 0 9 9 0 8 6 fdescpl 528 960 0 928 3 0 3 3 0 8 0 filepl 160 6510 0 6246 22 3 19 22 0 8 8 lockfpl 104 403 0 399 2 1 1 2 0 8 0 lockfspl 48 191 0 188 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 44 0 27 1 0 1 1 0 8 0 ucredpl 104 1133 0 1120 1 0 1 1 0 8 0 zombiepl 144 930 0 928 1 0 1 1 0 8 0 processpl 1232 996 0 928 6 0 6 6 0 8 0 procpl 664 1924 0 1842 8 0 8 8 0 8 0 sosppl 176 8 0 8 1 0 1 1 0 8 1 sockpl 752 1170 0 1138 25 13 12 24 0 8 8 mcl64k 65536 25 0 0 4 0 4 4 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 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 32 0 0 4 0 4 4 0 8 0 mtagpl 96 45 0 0 2 0 2 2 0 8 0 mbufpl 256 436 0 0 27 0 27 27 0 8 0 bufpl 280 8650 0 2513 439 0 439 439 0 8 0 anonpl 32 10037 0 0 81 0 81 81 0 246 0 amapchunkpl 152 25238 0 24696 33 3 30 32 0 158 9 amappl16 200 3704 0 3484 33 13 20 22 0 8 1 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 426 0 425 1 0 1 1 0 8 0 amappl12 168 1327 0 1284 3 0 3 3 0 8 0 amappl11 160 47 0 47 1 1 0 1 0 8 0 amappl10 152 86 0 72 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 79 0 77 1 0 1 1 0 8 0 amappl6 120 310 0 297 1 0 1 1 0 8 0 amappl5 112 110 0 100 1 0 1 1 0 8 0 amappl4 104 426 0 397 1 0 1 1 0 8 0 amappl3 96 4379 0 4276 3 0 3 3 0 8 0 amappl2 88 1103 0 1027 2 0 2 2 0 8 0 amappl1 80 12154 0 11553 15 1 14 15 0 8 0 amappl 88 7024 0 6844 5 0 5 5 0 92 0 uvmvnodes 80 122 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 128 254 0 254 2 2 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 52 0 2 1 0 1 1 0 8 0 uaddrrnd 24 960 0 928 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 960 0 928 1 0 1 1 0 8 0 vmmpekpl 168 9788 0 9746 3 0 3 3 0 8 0 vmmpepl 168 69036 0 66862 109 8 101 105 0 357 0 vmsppl 488 959 0 928 6 1 5 5 0 8 1 rwobjpl 80 21573 0 20268 33 3 30 30 0 8 0 pdppl 4096 1929 0 1857 105 33 72 83 0 8 0 pvpl 32 19239 0 0 156 0 156 156 0 265 0 pmappl 256 960 0 928 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 313 0 39 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a13e1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de65a,ffffffff833bbce4,491,ffffffff833cf36a) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,13,2000,1) at disk_openpart+0x20d sdopen(d13,11,2000,ffff80002c7d74f8) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003b811228) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd805be1e2c0,11,fffffd80097fd2d8,ffff80002c7d74f8) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003b811470,11,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002c7d74f8,ffffff9c,200000000080,10,0,ffff80003b811620) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003b8116d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b8116d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f987b1c3d0, count: -11 ddb{0}> machine ddbcpu 1