panic: vop_pgaenniecr:i c _ b a kdoerpn eStopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 310149 81192 32767 0x8000010 0 0 syz-executor.2 * 67806 60923 32767 0x8000010 0 1 syz-executor.0 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288f85e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d6b3ea8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806b8a8370,fffffd807e0306c0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807e0306c0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807e0306c0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d6b4120) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 VOP_MKDIR(fffffd80686cdb30,ffff80002d6b4280,ffff80002d6b42b0,ffff80002d6b41b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000ffff6a58,ffffff9c,76371139fb50,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 syscall(ffff80002d6b4430) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002d6b4430) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76371139fbc0, 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 cpu0: kernel diagnostic assertion "rw_write_held(uobj->vmobjlock)" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_aobj.c", line 1002 *cpu1: vop_generic_badop ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288f85e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d6b3ea8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806b8a8370,fffffd807e0306c0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807e0306c0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807e0306c0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d6b4120) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 VOP_MKDIR(fffffd80686cdb30,ffff80002d6b4280,ffff80002d6b42b0,ffff80002d6b41b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000ffff6a58,ffffff9c,76371139fb50,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 syscall(ffff80002d6b4430) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002d6b4430) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76371139fbc0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d6b3dd0 rbx 0xffff800029ceccbf rdx 0 rcx 0xffff8000ffff6a58 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x103e36c8e051e97e r11 0xf04d67cb1ff57a9 r12 0xffff800029cecac0 r13 0 r14 0 r15 0x1 rip 0xffffffff817d3dfc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002d6b3dc0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) tid=67806 pid=60923 tcnt=1 stat=onproc flags process=8000010 proc=0 runpri=17, usrpri=51, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000ffff62a8,0xffff80002a1fe7e0 process=0xffff80002a1591c8 user=0xffff80002d6af000, vmspace=0xfffffd806f2646e8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62859 43012 56576 0 2 0x8100000 sh 81192 310149 92714 32767 7 0x8000010 syz-executor.2 81192 443638 92714 32767 3 0xc000090 fsleep syz-executor.2 84424 39118 0 0 3 0x14200 bored sosplice 25366 36497 75936 0 3 0x8000080 wait syz-executor.3 56576 125876 65121 0 3 0x810008a sigsusp sh 77452 266579 29224 0 2 0x8100002 sh 72240 307383 3509 32767 3 0x8000090 nanoslp syz-executor.1 72240 267049 3509 32767 3 0xc000090 lockf syz-executor.1 72240 2878 3509 32767 3 0xc000090 fsleep syz-executor.1 67392 43435 81042 0 2 0x18100002 arp 81042 389920 86772 0 3 0x810008a sigsusp sh 29224 400864 62900 0 3 0x8000080 wait syz-executor.7 15753 9129 71707 32767 2 0x8000010 syz-executor.6 62900 236277 73713 0 3 0x8000082 wait syz-executor.7 65121 359550 57186 0 3 0x8000080 wait syz-executor.4 71707 423510 73713 0 3 0x8000082 wait syz-executor.6 86772 157963 90836 0 3 0x8000080 wait syz-executor.5 92714 354066 65453 32767 3 0x8000090 nanoslp syz-executor.2 75936 361612 73713 0 3 0x8000082 wait syz-executor.3 90836 277391 73713 0 3 0x8000082 wait syz-executor.5 57186 291949 73713 0 3 0x8000082 wait syz-executor.4 *60923 67806 44139 32767 7 0x8000010 syz-executor.0 65453 476883 73713 0 3 0x8000082 wait syz-executor.2 3509 81333 32737 32767 3 0x8000090 nanoslp syz-executor.1 32737 422446 73713 0 3 0x8000082 wait syz-executor.1 44139 326120 73713 0 3 0x8000082 wait syz-executor.0 73713 508883 49351 0 3 0x1a000082 thrsleep syz-fuzzer 73713 396270 49351 0 3 0x1e000082 nanoslp syz-fuzzer 73713 63177 49351 0 3 0x1e000082 wait syz-fuzzer 73713 283305 49351 0 3 0x1e000082 wait syz-fuzzer 73713 415589 49351 0 3 0x1e000082 thrsleep syz-fuzzer 73713 47751 49351 0 3 0x1e000082 wait syz-fuzzer 73713 303990 49351 0 3 0x1e000082 wait syz-fuzzer 73713 421873 49351 0 3 0x1e000082 wait syz-fuzzer 73713 227239 49351 0 3 0x1e000082 wait syz-fuzzer 73713 256000 49351 0 3 0x1e000082 wait syz-fuzzer 73713 163771 49351 0 3 0x1e000082 thrsleep syz-fuzzer 73713 488138 49351 0 3 0x1e000082 wait syz-fuzzer 73713 330354 49351 0 3 0x1e000082 thrsleep syz-fuzzer 73713 114761 49351 0 3 0x1e000082 thrsleep syz-fuzzer 73713 79759 49351 0 3 0x1e000082 kqread syz-fuzzer 49351 87484 27454 0 3 0x810008a sigsusp ksh 27454 349591 5958 0 3 0x1800009a kqread sshd 62380 107353 1 0 3 0x18100083 ttyin getty 5958 120891 1 0 3 0x18000088 kqread sshd 65754 130090 92415 73 3 0x19100090 kqread syslogd 92415 265722 1 0 3 0x18100082 sbwait syslogd 7173 411783 1 0 3 0x18100080 kqread resolvd 1726 455324 56646 77 3 0x18100092 kqread dhcpleased 40791 329147 56646 77 3 0x18100092 kqread dhcpleased 56646 140632 1 0 3 0x18000080 kqread dhcpleased 2244 491275 0 0 3 0x14200 bored smr 79733 332287 0 0 2 0x14200 zerothread 97213 226574 0 0 3 0x14200 aiodoned aiodoned 68394 328201 0 0 3 0x14200 syncer update 6944 507012 0 0 3 0x14200 cleaner cleaner 30722 480492 0 0 2 0x14200 reaper 46547 74779 0 0 3 0x14200 pgdaemon pagedaemon 31053 444582 0 0 3 0x14200 bored viomb 77921 320034 0 0 3 0x40014200 acpi0 acpi0 86316 517526 0 0 3 0x40014200 idle1 65040 315377 0 0 3 0x14200 bored softnet3 1721 95030 0 0 3 0x14200 bored softnet2 17531 183506 0 0 3 0x14200 bored softnet1 56497 388835 0 0 3 0x14200 bored softnet0 15199 244915 0 0 3 0x14200 bored systqmp 57879 83529 0 0 3 0x14200 bored systq 54141 497954 0 0 3 0x14200 tmoslp softclockmp 574 57358 0 0 3 0x40014200 tmoslp softclock 99478 422155 0 0 3 0x40014200 idle0 1 330276 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff82e2bdd8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 sleep_finish+0x13f sys/kern/kern_synch.c:398 #2 rwsleep+0xb3 sys/kern/kern_synch.c:300 #3 futex_wait+0x28f sys/kern/sys_futex.c:250 #4 sys_futex+0xfb sys/kern/sys_futex.c:101 #5 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #5 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 15753 (syz-executor.6) thread 0xffff8000ffff4548 (9129) exclusive rrwlock inode r = 0 (0xfffffd807e06a3d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e06a5f0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 60923 (syz-executor.0) thread 0xffff8000ffff6a58 (67806) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d6ff78) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x489 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x194 sys/kern/kern_synch.c:414 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x1fb sys/kern/vfs_bio.c:766 #6 ffs_update+0x27f sys/ufs/ffs/ffs_inode.c:111 #7 ufs_mkdir+0x430 sys/ufs/ufs/ufs_vnops.c:1165 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #10 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e06a700) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a89f88) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3062 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10169 6407K 6419K 166960K 11247 0 pcb 15 10K 10K 166960K 15 0 rtable 158 4K 4K 166960K 236 0 pf 29 8K 8K 166960K 29 0 ifaddr 34 13K 13K 166960K 36 0 ifgroup 50 2K 2K 166960K 50 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 25 0 iov 0 0K 1K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1363 86K 86K 166960K 1380 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 113K 166960K 123 0 proc 56 78K 103K 166960K 425 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 57 4K 4K 166960K 57 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 31 148K 148K 166960K 31 0 exec 0 0K 1K 166960K 326 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 281 77K 78K 166960K 3261 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 46 92K 103K 166960K 1148 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 19 1K 1K 166960K 19 0 temp 34 6798K 6862K 166960K 3807 0 kqueue 12 18K 20K 166960K 23 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 27 0 23 1 0 1 1 0 8 0 rtentry 112 73 0 1 3 0 3 3 0 8 0 unpcb 144 35 0 22 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpqe 32 97 0 97 1 1 0 1 0 8 0 tcpcb 808 14 0 8 1 0 1 1 0 8 0 arp 120 12 0 0 1 0 1 1 0 8 0 inpcb 392 65 0 55 2 0 2 2 0 8 0 nd6 136 12 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 282 0 0 18 0 18 18 0 8 0 art_table 32 283 0 0 3 0 3 3 0 8 0 art_node 16 72 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 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 1573 0 62 95 0 95 95 0 8 0 ffsino 272 1573 0 62 101 0 101 101 0 8 0 nchpl 144 1844 0 80 66 0 66 66 0 8 0 uvmvnodes 80 1686 0 0 35 0 35 35 0 8 0 vnodes 216 1686 0 0 94 0 94 94 0 8 0 namei 1024 5983 0 5982 3 0 3 3 0 8 2 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 7113 0 7113 3 1 2 2 1 8 2 plimitpl 152 42 0 19 1 0 1 1 0 8 0 sigapl 424 411 0 355 7 0 7 7 0 8 0 futexpl 64 94 0 92 1 0 1 1 0 8 0 knotepl 120 106 0 0 4 0 4 4 0 8 0 kqueuepl 216 20 0 12 1 0 1 1 0 8 0 pipepl 320 131 0 103 3 0 3 3 0 8 0 fdescpl 496 392 0 356 7 1 6 6 0 8 0 filepl 152 1634 0 1395 10 0 10 10 0 8 0 lockfpl 104 11 0 6 1 0 1 1 0 8 0 lockfspl 48 6 0 3 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 7 1 0 1 1 0 8 0 ucredpl 104 72 0 58 1 0 1 1 0 8 0 zombiepl 144 356 0 355 1 0 1 1 0 8 0 processpl 1136 411 0 355 5 0 5 5 0 8 0 procpl 656 435 0 362 7 0 7 7 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 584 128 0 101 3 0 3 3 0 8 1 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 255 0 0 32 0 32 32 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 273 0 0 18 0 18 18 0 8 0 bufpl 280 4310 0 183 295 0 295 295 0 8 0 anonpl 24 187107 0 181892 55 1 54 54 0 186 22 amapchunkpl 152 10866 0 10189 31 0 31 31 0 158 3 amappl16 200 5234 0 5157 5 0 5 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 136 0 124 2 0 2 2 0 8 1 amappl13 176 17 0 15 2 1 1 1 0 8 0 amappl12 168 971 0 931 2 0 2 2 0 8 0 amappl11 160 50 0 39 1 0 1 1 0 8 0 amappl10 152 44 0 35 1 0 1 1 0 8 0 amappl9 144 184 0 184 2 1 1 1 0 8 1 amappl8 136 131 0 95 2 0 2 2 0 8 0 amappl7 128 49 0 39 1 0 1 1 0 8 0 amappl6 120 309 0 289 2 0 2 2 0 8 1 amappl5 112 160 0 148 1 0 1 1 0 8 0 amappl4 104 492 0 458 3 0 3 3 0 8 0 amappl3 96 2594 0 2512 3 0 3 3 0 8 0 amappl2 88 757 0 677 4 0 4 4 0 8 2 amappl1 80 9149 0 8604 22 2 20 22 0 8 8 amappl 88 2769 0 2572 5 0 5 5 0 92 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 392 0 355 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 392 0 355 1 0 1 1 0 8 0 vmmpekpl 168 8051 0 7991 3 0 3 3 0 8 0 vmmpepl 168 45216 0 43190 116 1 115 115 0 357 23 vmsppl 440 391 0 355 5 0 5 5 0 8 0 rwobjpl 56 20401 0 17627 47 0 47 47 0 8 7 pdppl 4096 791 0 710 101 12 89 89 0 8 8 pvpl 32 48228 0 0 390 1 389 389 0 265 0 pmappl 248 391 0 355 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 382 0 14 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cedff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 db_putchar(6c) at db_putchar+0x1f sys/ddb/db_output.c:143 kprintf() at kprintf+0x21c1 sys/kern/subr_prf.c:1064 db_printf(ffffffff828f71c9) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff829573c7) at panic+0xdb sys/kern/subr_prf.c:216 __assert(ffffffff82909485,ffffffff8288fb47,3ea,ffffffff82886f15) at __assert+0x29 sys/kern/subr_prf.c:157 uao_get(fffffd807e8b1e58,0,ffff8000373b68b0,ffff8000373b672c,0,4,47596cf285c4a6e9,0) at uao_get+0x70c uao_find_swslot sys/uvm/uvm_aobj.c:248 [inline] uao_get(fffffd807e8b1e58,0,ffff8000373b68b0,ffff8000373b672c,0,4,47596cf285c4a6e9,0) at uao_get+0x70c sys/uvm/uvm_aobj.c:1173 uvm_fault_lower_lookup(ffff8000373b6930,ffff8000373b6968,ffff8000373b68b0) at uvm_fault_lower_lookup+0xf3 sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff8000373b6930,ffff8000373b6968,ffff8000373b68b0,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806611ec20,9a3418ab000,0,4) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff8000373b6ab0,9a3418ab000) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000373b6ab0) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 end trace frame: 0xffff8000373b6b30, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82cedff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 db_putchar(6c) at db_putchar+0x1f sys/ddb/db_output.c:143 kprintf() at kprintf+0x21c1 sys/kern/subr_prf.c:1064 db_printf(ffffffff828f71c9) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff829573c7) at panic+0xdb sys/kern/subr_prf.c:216 __assert(ffffffff82909485,ffffffff8288fb47,3ea,ffffffff82886f15) at __assert+0x29 sys/kern/subr_prf.c:157 uao_get(fffffd807e8b1e58,0,ffff8000373b68b0,ffff8000373b672c,0,4,47596cf285c4a6e9,0) at uao_get+0x70c uao_find_swslot sys/uvm/uvm_aobj.c:248 [inline] uao_get(fffffd807e8b1e58,0,ffff8000373b68b0,ffff8000373b672c,0,4,47596cf285c4a6e9,0) at uao_get+0x70c sys/uvm/uvm_aobj.c:1173 uvm_fault_lower_lookup(ffff8000373b6930,ffff8000373b6968,ffff8000373b68b0) at uvm_fault_lower_lookup+0xf3 sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff8000373b6930,ffff8000373b6968,ffff8000373b68b0,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806611ec20,9a3418ab000,0,4) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff8000373b6ab0,9a3418ab000) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000373b6ab0) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f2036ff4400, count: -15 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288f85e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d6b3ea8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806b8a8370,fffffd807e0306c0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807e0306c0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807e0306c0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d6b4120) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 VOP_MKDIR(fffffd80686cdb30,ffff80002d6b4280,ffff80002d6b42b0,ffff80002d6b41b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000ffff6a58,ffffff9c,76371139fb50,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 syscall(ffff80002d6b4430) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002d6b4430) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76371139fbc0, count: 4 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8288f85e) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002d6b3ea8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806b8a8370,fffffd807e0306c0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd807e0306c0) at bwrite+0x1d0 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807e0306c0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002d6b4120) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 VOP_MKDIR(fffffd80686cdb30,ffff80002d6b4280,ffff80002d6b42b0,ffff80002d6b41b0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000ffff6a58,ffffff9c,76371139fb50,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 syscall(ffff80002d6b4430) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002d6b4430) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76371139fbc0, count: -11