login: 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 176027 32323 0 0 0 0 syz-executor *201245 32323 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a3608) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de253,ffffffff833bee08,491,ffffffff833d2418) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,12,2000,1) at disk_openpart+0x20d sdopen(d12,3,2000,ffff80002a2847e0) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003bc05928) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd80616ef518,3,fffffd80097fd6e8,ffff80002a2847e0) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003bc05b70,3,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a2847e0,ffffff9c,200000000300,2,0,ffff80003bc05d20) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003bc05dd0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc05dd0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcaff443bc0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "part >= 0 && part < MAXPARTITIONS" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/subr_disk.c", line 1169 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a3608) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de253,ffffffff833bee08,491,ffffffff833d2418) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,12,2000,1) at disk_openpart+0x20d sdopen(d12,3,2000,ffff80002a2847e0) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003bc05928) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd80616ef518,3,fffffd80097fd6e8,ffff80002a2847e0) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003bc05b70,3,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a2847e0,ffffff9c,200000000300,2,0,ffff80003bc05d20) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003bc05dd0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc05dd0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcaff443bc0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bc056f0 rbx 0xffff8000299eee07 rdx 0xffff800001456100 rcx 0xffff80002a2847e0 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb99d4e8df0e4f92d r11 0x9831ece41d6d3705 r12 0xffff8000299eec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81f52ef5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003bc056e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=201245 pid=32323 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a284a78,0xffffffff83976910 process=0xffff8000fffe5360 user=0xffff80003bc00000, vmspace=0xfffffd806cafbd70 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 32323 176027 27055 0 7 0 syz-executor *32323 201245 27055 0 7 0x4000000 syz-executor 30514 513256 38061 0 2 0 syz-executor 30514 317598 38061 0 3 0x4000080 kqread syz-executor 30514 485203 38061 0 3 0x4000080 kqread syz-executor 63374 465198 15216 0 2 0 syz-executor 63374 46508 15216 0 2 0x4000000 syz-executor 82108 82751 27073 0 3 0x80 nanoslp syz-executor 82108 186018 27073 0 3 0x4000080 pipewr syz-executor 82108 456937 27073 0 3 0x4000080 fsleep syz-executor 76350 445545 62120 0 3 0x80 nanoslp syz-executor 76350 442910 62120 0 3 0x4000080 nanoslp syz-executor 87847 37752 0 0 3 0x14200 acct acct 88421 202745 1 0 3 0x100083 ttyin getty 15216 254080 94877 0 3 0x82 nanoslp syz-executor 34199 205045 94877 0 3 0x82 nanoslp syz-executor 62120 70782 94877 0 3 0x82 nanoslp syz-executor 97260 16821 94877 0 2 0x2 syz-executor 27073 456114 94877 0 3 0x82 nanoslp syz-executor 38061 509938 94877 0 3 0x82 nanoslp syz-executor 27055 156071 94877 0 3 0x82 nanoslp syz-executor 26495 476649 94877 0 3 0x82 nanoslp syz-executor 94877 104767 91191 0 2 0x2 syz-executor 91191 33428 38915 0 3 0x10008a sigsusp ksh 38915 333111 97759 0 3 0x98 kqread sshd-session 97759 448104 39541 0 3 0x92 kqread sshd-session 39541 469061 1 0 3 0x88 kqread sshd 20053 442771 13512 74 3 0x1100092 bpf pflogd 13512 427176 1 0 3 0x80 sbwait pflogd 58433 338249 43210 73 3 0x1100090 kqread syslogd 43210 425077 1 0 3 0x100082 sbwait syslogd 69389 408370 1 0 3 0x100080 kqread resolvd 43441 423442 10932 77 3 0x100092 kqread dhcpleased 84491 197561 10932 77 3 0x100092 kqread dhcpleased 10932 394874 1 0 3 0x80 kqread dhcpleased 71569 287583 0 0 3 0x14200 bored smr 99202 283917 0 0 2 0x14200 zerothread 26102 17757 0 0 3 0x14200 aiodoned aiodoned 23026 370768 0 0 3 0x14200 syncer update 3599 296997 0 0 3 0x14200 cleaner cleaner 55539 343054 0 0 3 0x14200 reaper reaper 90648 439429 0 0 3 0x14200 pgdaemon pagedaemon 35809 76147 0 0 3 0x14200 bored viomb 10791 83529 0 0 3 0x40014200 acpi0 acpi0 39595 225471 0 0 3 0x40014200 idle1 52200 344811 0 0 3 0x14200 bored softnet1 27501 385903 0 0 2 0x14200 softnet0 32221 154167 0 0 3 0x14200 bored systqmp 37995 291232 0 0 3 0x14200 bored systq 20115 208143 0 0 3 0x14200 tmoslp softclockmp 15298 369052 0 0 3 0x40014200 tmoslp softclock 4993 137630 0 0 3 0x40014200 idle0 1 285915 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 32323 (syz-executor) thread 0xffff80002a2847e0 (201245) 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 (0xffffffff839643c8) #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 97260 (syz-executor) thread 0xffff80002a285ca0 (16821) exclusive rrwlock inode r = 0 (0xfffffd806e94eb18) #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 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_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d077c60) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 11169K 11419K 166960K 11831 0 pcb 17 14K 16K 166960K 237 0 rtable 221 8K 8K 166960K 431 0 pf 37 18K 18K 166960K 77 0 ifaddr 42 7K 8K 166960K 63 0 ifgroup 55 2K 2K 166960K 88 0 sysctl 2 1K 9K 166960K 9 0 counters 68 36K 37K 166960K 92 0 ioctlops 0 0K 4K 166960K 1551 0 iov 0 0K 12K 166960K 15 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1400 88K 89K 166960K 1801 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 95 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 477 0 sigio 0 0K 0K 166960K 2 0 proc 72 115K 164K 166960K 568 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 40 0 in_multi 82 6K 7K 166960K 125 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 413 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 167K 180K 166960K 6229 0 UVM aobj 110 5K 5K 166960K 113 0 pinsyscall 42 84K 108K 166960K 1605 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 90 0 NDP 12 0K 2K 166960K 36 0 temp 44 8660K 8725K 166960K 17616 0 kqueue 14 20K 29K 166960K 80 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 62 0 59 1 0 1 1 0 8 0 rtentry 176 128 0 33 6 0 6 6 0 8 0 unpcb 144 180 0 161 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 140 0 136 4 2 2 4 0 8 1 arp 136 19 0 0 1 0 1 1 0 8 0 inpcb 328 727 0 719 7 0 7 7 0 8 5 nd6 152 27 0 6 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 6 0 6 1 0 1 1 0 8 1 pppxif 1504 4 0 4 1 0 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 2 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstitem 24 53 0 1 1 0 1 1 0 8 0 pfstkey 128 55 0 3 2 0 2 2 0 8 0 pfstate 448 51 0 2 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 547 0 169 29 0 29 29 0 8 3 art_table 40 550 0 169 5 0 5 5 0 8 0 art_node 32 128 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 93 0 83 1 0 1 1 0 8 0 shmpl 112 108 0 1 4 0 4 4 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2259 0 750 95 0 95 95 0 8 0 ffsino 296 2259 0 750 117 0 117 117 0 8 0 nchpl 144 2953 0 1246 64 0 64 64 0 8 0 vnodes 216 2597 0 0 145 0 145 145 0 8 0 namei 1024 9350 0 9349 2 1 1 2 0 8 0 percpumem 16 61 0 12 1 0 1 1 0 8 0 vmpool 840 2 0 2 1 0 1 1 0 8 1 kstatmem 264 42 0 16 3 0 3 3 0 8 1 scxspl 216 10010 0 10010 10 2 8 8 1 8 8 plimitpl 152 145 0 128 1 0 1 1 0 8 0 sigapl 424 787 0 739 7 1 6 7 0 8 0 knotepl 120 302 0 0 10 0 10 10 0 8 0 kqueuepl 224 169 0 157 3 0 3 3 0 8 2 pipepl 344 207 0 179 3 0 3 3 0 8 0 fdescpl 528 770 0 739 3 0 3 3 0 8 0 filepl 160 4299 0 4070 14 0 14 14 0 8 4 lockfpl 104 137 0 134 1 0 1 1 0 8 0 lockfspl 48 57 0 54 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 643 0 629 1 0 1 1 0 8 0 zombiepl 144 741 0 739 1 0 1 1 0 8 0 processpl 1232 787 0 739 5 0 5 5 0 8 0 procpl 664 1368 0 1313 6 0 6 6 0 8 0 sosppl 176 4 0 4 2 1 1 1 0 8 1 sockpl 752 987 0 957 10 0 10 10 0 8 6 mcl64k 65536 3 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 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 198 0 0 12 0 12 12 0 8 0 bufpl 280 3117 0 133 214 0 214 214 0 8 0 anonpl 32 8910 0 0 72 0 72 72 0 246 0 amapchunkpl 152 19341 0 18842 26 0 26 26 0 158 5 amappl16 200 2653 0 2621 18 6 12 15 0 8 8 amappl15 192 77 0 77 1 1 0 1 0 8 0 amappl14 184 8 0 8 1 1 0 1 0 8 0 amappl13 176 424 0 423 1 0 1 1 0 8 0 amappl12 168 1129 0 1087 3 0 3 3 0 8 0 amappl11 160 18 0 18 2 2 0 1 0 8 0 amappl10 152 126 0 112 1 0 1 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 51 0 49 1 0 1 1 0 8 0 amappl7 128 108 0 107 1 0 1 1 0 8 0 amappl6 120 292 0 279 1 0 1 1 0 8 0 amappl5 112 78 0 68 1 0 1 1 0 8 0 amappl4 104 417 0 389 1 0 1 1 0 8 0 amappl3 96 3341 0 3246 4 1 3 3 0 8 0 amappl2 88 884 0 807 2 0 2 2 0 8 0 amappl1 80 10537 0 9945 15 2 13 15 0 8 0 amappl 88 5442 0 5275 5 0 5 5 0 92 0 uvmvnodes 80 111 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 112 0 3 2 0 2 2 0 8 0 uaddrrnd 24 770 0 739 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 770 0 739 1 0 1 1 0 8 0 vmmpekpl 168 7884 0 7843 3 0 3 3 0 8 0 vmmpepl 168 56430 0 54522 97 0 97 97 0 357 11 vmsppl 488 769 0 739 5 1 4 5 0 8 0 rwobjpl 80 17915 0 16771 27 0 27 27 0 8 2 pdppl 4096 1551 0 1482 101 30 71 85 0 8 2 pvpl 32 15948 0 0 129 0 129 129 0 265 0 pmappl 256 771 0 741 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 284 0 36 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386fff0) 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+0x38 sys/dev/kcov.c:-1 __mp_lock(ffffffff839641c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839641c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x727f69a40220, count: 7 ddb{0}> trace x86_ipi_db(ffffffff8386fff0) 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+0x38 sys/dev/kcov.c:-1 __mp_lock(ffffffff839641c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839641c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x727f69a40220, count: -8 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(ffffffff833a3608) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de253,ffffffff833bee08,491,ffffffff833d2418) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,12,2000,1) at disk_openpart+0x20d sdopen(d12,3,2000,ffff80002a2847e0) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003bc05928) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd80616ef518,3,fffffd80097fd6e8,ffff80002a2847e0) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003bc05b70,3,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a2847e0,ffffff9c,200000000300,2,0,ffff80003bc05d20) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003bc05dd0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc05dd0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcaff443bc0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a3608) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833de253,ffffffff833bee08,491,ffffffff833d2418) at __assert+0x29 sys/kern/subr_prf.c:-1 disk_openpart(ffff8000001a1048,12,2000,1) at disk_openpart+0x20d sdopen(d12,3,2000,ffff80002a2847e0) at sdopen+0x261 sys/scsi/sd.c:429 spec_open(ffff80003bc05928) at spec_open+0x2d9 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd80616ef518,3,fffffd80097fd6e8,ffff80002a2847e0) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 vn_open(ffff80003bc05b70,3,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a2847e0,ffffff9c,200000000300,2,0,ffff80003bc05d20) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138 syscall(ffff80003bc05dd0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc05dd0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcaff443bc0, count: -11