panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *194561 3727 0 0 0 0 syz-executor.1 482041 30984 0 0x2 0 1 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828a30aa) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8292dec7,ffffffff8288fd96,90,ffffffff828757b3) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd80081155c0,fffffd806799e138,d974000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd80081155c0,fffffd806799e138,d974000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd806799e138,d974000,0,3) at uvm_pagealloc+0x1ec sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806799e108,1b2e921000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806799e108,1b2e921000,6596b000,3,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_lower_lookup(ffff800032108780,ffff8000321087b8,ffff800032108700) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 uvm_fault_lower(ffff800032108780,ffff8000321087b8,ffff800032108700,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd8077073e30,1b2e920000,0,2) at uvm_fault+0x238 upageflttrap(ffff800032108900,1b2e9200e4) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800032108900) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x773f82a6f210, count: 2 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 "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828a30aa) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8292dec7,ffffffff8288fd96,90,ffffffff828757b3) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd80081155c0,fffffd806799e138,d974000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd80081155c0,fffffd806799e138,d974000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd806799e138,d974000,0,3) at uvm_pagealloc+0x1ec sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806799e108,1b2e921000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806799e108,1b2e921000,6596b000,3,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_lower_lookup(ffff800032108780,ffff8000321087b8,ffff800032108700) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 uvm_fault_lower(ffff800032108780,ffff8000321087b8,ffff800032108700,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd8077073e30,1b2e920000,0,2) at uvm_fault+0x238 upageflttrap(ffff800032108900,1b2e9200e4) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800032108900) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x773f82a6f210, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800032108200 rbx 0xffffffff82c97cb7 cpu_info_full_primary+0x2cb7 rdx 0 rcx 0xffff80002a245d58 rax 0xffffffff82c96ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x78c252e999fbca50 r11 0x551bd3e022f3472b r12 0xffffffff82c97ab8 cpu_info_full_primary+0x2ab8 r13 0 r14 0 r15 0x1 rip 0xffffffff825b8e1c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000321081f0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) tid=194561 pid=3727 tcnt=4 stat=onproc flags process=0 proc=0 runpri=77, usrpri=77, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a246550,0xffff80002a245ac0 process=0xffff8000373b8d78 user=0xffff800032103000, vmspace=0xfffffd8077073e30 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND * 3727 194561 58413 0 7 0 syz-executor.1 3727 29359 58413 0 3 0x4000080 fsleep syz-executor.1 3727 285929 58413 0 2 0x4000000 syz-executor.1 3727 359927 58413 0 3 0x4000080 fsleep syz-executor.1 90403 444495 28152 0 3 0x80 fsleep syz-executor.4 90403 421028 28152 0 2 0x4000080 syz-executor.4 90403 100090 28152 0 3 0x4000080 fsleep syz-executor.4 59613 435692 38214 0 2 0 syz-executor.0 96013 257921 41857 0 2 0 syz-executor.3 96740 9513 0 0 3 0x14200 acct acct 30984 482041 43229 0 7 0x2 syz-executor.7 41857 149422 43229 0 2 0x2 syz-executor.3 35026 111116 43229 0 3 0x2 biowait syz-executor.2 77136 429201 0 0 3 0x14200 bored sosplice 96295 146223 0 0 3 0x14280 nfsidl nfsio 32237 105212 0 0 3 0x14280 nfsidl nfsio 63073 436138 0 0 3 0x14280 nfsidl nfsio 58538 514546 0 0 3 0x14280 nfsidl nfsio 40932 150687 0 0 3 0x14280 nfsidl nfsio 79707 240871 0 0 3 0x14280 nfsidl nfsio 56809 12850 0 0 3 0x14280 nfsidl nfsio 20453 416089 0 0 3 0x14280 nfsidl nfsio 44250 462367 0 0 3 0x14280 nfsidl nfsio 85512 504620 0 0 3 0x14280 nfsidl nfsio 74426 386788 0 0 3 0x14280 nfsidl nfsio 75673 297550 0 0 3 0x14280 nfsidl nfsio 18734 174784 0 0 3 0x14280 nfsidl nfsio 33454 279290 0 0 3 0x14280 nfsidl nfsio 86258 307192 0 0 3 0x14280 nfsidl nfsio 34154 387216 0 0 3 0x14280 nfsidl nfsio 43184 43009 0 0 3 0x14280 nfsidl nfsio 32346 291344 0 0 3 0x14280 nfsidl nfsio 88912 83545 0 0 3 0x14280 nfsidl nfsio 29763 35066 0 0 3 0x14280 nfsidl nfsio 13659 208615 43229 0 2 0x2 syz-executor.6 28152 108892 43229 0 3 0x82 nanoslp syz-executor.4 25252 425541 43229 0 2 0x2 syz-executor.5 38214 523901 43229 0 3 0x82 nanoslp syz-executor.0 58413 501266 43229 0 3 0x82 nanoslp syz-executor.1 43229 29320 36708 0 3 0x2000082 wait syz-fuzzer 43229 105071 36708 0 3 0x6000082 nanoslp syz-fuzzer 43229 77459 36708 0 3 0x6000082 kqread syz-fuzzer 43229 515451 36708 0 3 0x6000082 wait syz-fuzzer 43229 39661 36708 0 3 0x6000082 wait syz-fuzzer 43229 503447 36708 0 3 0x6000082 wait syz-fuzzer 43229 287236 36708 0 3 0x6000082 thrsleep syz-fuzzer 43229 387894 36708 0 3 0x6000082 wait syz-fuzzer 43229 141957 36708 0 3 0x6000082 thrsleep syz-fuzzer 43229 250232 36708 0 3 0x6000082 thrsleep syz-fuzzer 43229 435367 36708 0 3 0x6000082 thrsleep syz-fuzzer 43229 462429 36708 0 3 0x6000082 wait syz-fuzzer 43229 60494 36708 0 3 0x6000082 wait syz-fuzzer 43229 17772 36708 0 3 0x6000082 thrsleep syz-fuzzer 43229 411860 36708 0 3 0x6000082 wait syz-fuzzer 36708 89603 45757 0 3 0x10008a sigsusp ksh 45757 113909 93750 0 3 0x9a kqread sshd 56233 63747 1 0 3 0x100083 ttyopn getty 93750 497775 1 0 3 0x88 kqread sshd 25946 311485 34143 74 3 0x1100092 bpf pflogd 34143 59781 1 0 3 0x80 netio pflogd 85706 255186 92048 73 3 0x1100090 kqread syslogd 92048 333624 1 0 3 0x100082 netio syslogd 74971 520270 1 0 3 0x100080 kqread resolvd 86549 446308 30506 77 3 0x100092 kqread dhcpleased 98306 379783 30506 77 3 0x100092 kqread dhcpleased 30506 74180 1 0 3 0x80 kqread dhcpleased 48595 118157 0 0 3 0x14200 bored smr 84596 480701 0 0 2 0x14200 zerothread 93472 344660 0 0 3 0x14200 aiodoned aiodoned 86619 387896 0 0 3 0x14200 syncer update 38281 467531 0 0 3 0x14200 cleaner cleaner 15191 335309 0 0 3 0x14200 reaper reaper 59436 183536 0 0 3 0x14200 pgdaemon pagedaemon 33267 4144 0 0 3 0x14200 bored viomb 2071 464867 0 0 3 0x40014200 acpi0 acpi0 62583 213247 0 0 3 0x40014200 idle1 66885 36656 0 0 3 0x14200 bored softnet3 22739 407048 0 0 3 0x14200 bored softnet2 23790 391384 0 0 3 0x14200 bored softnet1 67267 273100 0 0 3 0x14200 bored softnet0 35901 12470 0 0 3 0x14200 bored systqmp 43788 262248 0 0 3 0x14200 bored systq 87138 37707 0 0 3 0x14200 tmoslp softclockmp 13131 458275 0 0 3 0x40014200 tmoslp softclock 64453 142411 0 0 3 0x40014200 idle0 1 120783 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806799e118) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c3 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:423 [inline] #3 pmap_enter+0x1c3 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x238 #7 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 3727 (syz-executor.1) thread 0xffff80002a245d58 (194561) exclusive rwlock uobjlk r = 0 (0xfffffd806bbc2c88) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 uvm_fault_lower_lookup+0x4a sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x238 #5 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd8077073f28) #0 witness_lock+0x447 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806799e118) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c3 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:423 [inline] #3 pmap_enter+0x1c3 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x238 #7 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 90403 (syz-executor.4) thread 0xffff80002a246550 (444495) exclusive rwlock futex r = 0 (0xffffffff82d72290) #0 witness_lock+0x447 #1 sys_futex+0x60 sys/kern/sys_futex.c:98 #2 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #2 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 35026 (syz-executor.2) thread 0xffff80002a1c3d50 (111116) exclusive rrwlock inode r = 0 (0xfffffd8067db0810) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80654932b8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3054 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10188 6540K 7191K 166960K 15252 0 pcb 15 12K 14K 166960K 160 0 rtable 215 6K 7K 166960K 479 0 pf 30 9K 10K 166960K 67 0 ifaddr 41 14K 15K 166960K 70 0 ifgroup 51 2K 2K 166960K 91 0 sysctl 2 0K 0K 166960K 2 0 counters 62 36K 36K 166960K 88 0 ioctlops 0 0K 4K 166960K 2255 0 iov 0 0K 18K 166960K 213 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1344 84K 84K 166960K 2597 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 343 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 14 49K 89K 166960K 2072 0 sigio 0 0K 0K 166960K 43 0 proc 69 91K 128K 166960K 693 0 subproc 104 6K 6K 166960K 143 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 50 0 in_multi 88 6K 7K 166960K 138 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 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 503 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 339 87K 97K 166960K 22547 0 UVM aobj 93 3K 3K 166960K 93 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 67 0 NDP 11 0K 1K 166960K 46 0 temp 74 6772K 6836K 166960K 16885 0 kqueue 12 18K 22K 166960K 142 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 101 0 98 2 1 1 2 0 8 0 rtentry 112 148 0 49 4 0 4 4 0 8 0 unpcb 144 1286 0 1271 9 8 1 6 0 8 0 syncache 336 26 0 26 8 8 0 1 0 8 0 tcpqe 32 436 0 436 6 6 0 2 0 8 0 tcpcb 808 407 0 397 26 18 8 9 0 8 6 arp 120 24 0 8 1 0 1 1 0 8 0 inpcb 392 1129 0 1116 41 33 8 9 0 8 6 nd6 136 33 0 12 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1168 6 0 6 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 4 0 3 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 61 0 49 1 0 1 1 0 8 0 pfstkey 128 61 0 49 1 0 1 1 0 8 0 pfstate 376 61 0 49 3 1 2 3 0 8 0 pfrule 1344 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 256 588 0 176 34 5 29 29 0 8 0 art_table 32 589 0 176 4 0 4 4 0 8 0 art_node 16 143 0 53 1 0 1 1 0 8 0 semapl 112 341 0 331 1 0 1 1 0 8 0 shmpl 112 90 0 0 3 0 3 3 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 4086 0 2632 92 0 92 92 0 8 0 ffsino 272 4086 0 2632 98 0 98 98 0 8 0 nchpl 144 6839 0 5188 64 0 64 64 0 8 0 uvmvnodes 80 5119 0 0 105 0 105 105 0 8 0 vnodes 216 5119 0 0 285 0 285 285 0 8 0 namei 1024 22573 0 22572 2 1 1 2 0 8 0 percpumem 16 58 0 13 1 0 1 1 0 8 0 vcpupl 2048 9 0 1 1 0 1 1 0 8 0 vmpool 696 9 0 1 1 0 1 1 0 8 0 kstatmem 264 48 0 26 2 0 2 2 0 8 0 scxspl 216 20468 0 20467 10 9 1 8 1 8 0 plimitpl 152 70 0 54 1 0 1 1 0 8 0 sigapl 424 2413 0 2346 8 0 8 8 0 8 0 futexpl 64 16988 0 16984 1 0 1 1 0 8 0 knotepl 120 194 0 0 5 0 5 5 0 8 0 kqueuepl 216 410 0 402 15 14 1 5 0 8 0 pipepl 320 327 0 299 9 6 3 8 0 8 0 fdescpl 496 2373 0 2346 6 2 4 5 0 8 0 filepl 152 12050 0 11808 27 15 12 17 0 8 1 lockfpl 104 279 0 277 1 0 1 1 0 8 0 lockfspl 48 133 0 131 1 0 1 1 0 8 0 sessionpl 144 27 0 10 1 0 1 1 0 8 0 pgrppl 48 72 0 55 1 0 1 1 0 8 0 ucredpl 104 1652 0 1640 1 0 1 1 0 8 0 zombiepl 144 2346 0 2346 1 0 1 1 0 8 1 processpl 1136 2413 0 2346 6 0 6 6 0 8 0 procpl 680 5881 0 5795 13 4 9 9 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 16 0 13 2 1 1 1 0 8 0 sockpl 584 2521 0 2490 33 25 8 12 0 8 5 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 12 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 307 0 0 39 0 39 39 0 8 0 mtagpl 96 186 0 0 5 0 5 5 0 8 0 mbufpl 256 423 0 0 21 0 21 21 0 8 0 bufpl 280 6630 0 310 452 0 452 452 0 8 0 anonpl 24 344248 0 330619 115 21 94 105 0 186 0 amapchunkpl 152 71863 0 71014 55 17 38 44 0 158 1 amappl16 200 7624 0 7215 42 19 23 35 0 8 0 amappl15 192 34 0 33 1 0 1 1 0 8 0 amappl14 184 177 0 163 2 1 1 2 0 8 0 amappl13 176 11 0 10 1 0 1 1 0 8 0 amappl12 168 3141 0 3114 3 1 2 2 0 8 0 amappl11 160 106 0 91 1 0 1 1 0 8 0 amappl10 152 28 0 17 1 0 1 1 0 8 0 amappl9 144 323 0 322 1 0 1 1 0 8 0 amappl8 136 264 0 196 3 0 3 3 0 8 0 amappl7 128 190 0 165 2 0 2 2 0 8 0 amappl6 120 296 0 289 1 0 1 1 0 8 0 amappl5 112 160 0 149 1 0 1 1 0 8 0 amappl4 104 485 0 457 2 1 1 2 0 8 0 amappl3 96 13875 0 13796 4 1 3 3 0 8 0 amappl2 88 2867 0 2789 3 1 2 3 0 8 0 amappl1 80 16941 0 16387 23 9 14 23 0 8 0 amappl 88 21936 0 21718 7 0 7 7 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 92 0 0 2 0 2 2 0 8 0 uaddrrnd 24 2382 0 2347 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2382 0 2347 1 0 1 1 0 8 0 vmmpekpl 168 22181 0 22117 4 0 4 4 0 8 0 vmmpepl 168 158168 0 155941 180 73 107 150 0 357 1 vmsppl 448 2381 0 2347 7 2 5 5 0 8 0 rwobjpl 56 49108 0 42396 100 5 95 95 0 8 0 pdppl 4096 4771 0 4702 226 154 72 81 0 8 3 pvpl 32 43795 0 0 355 1 354 354 0 265 0 pmappl 248 2381 0 2347 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 616 0 220 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828a30aa) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8292dec7,ffffffff8288fd96,90,ffffffff828757b3) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd80081155c0,fffffd806799e138,d974000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd80081155c0,fffffd806799e138,d974000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd806799e138,d974000,0,3) at uvm_pagealloc+0x1ec sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806799e108,1b2e921000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806799e108,1b2e921000,6596b000,3,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_lower_lookup(ffff800032108780,ffff8000321087b8,ffff800032108700) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 uvm_fault_lower(ffff800032108780,ffff8000321087b8,ffff800032108700,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd8077073e30,1b2e920000,0,2) at uvm_fault+0x238 upageflttrap(ffff800032108900,1b2e9200e4) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800032108900) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x773f82a6f210, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) 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 __mp_lock(ffffffff82df9d10) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82df9d10) at __mp_lock+0x122 sys/kern/kern_lock.c:147 vn_closefile(fffffd80679b4d20,ffff80002a1c3558) at vn_closefile+0x38 sys/kern/vfs_vnops.c:602 fdrop(fffffd80679b4d20,ffff80002a1c3558) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80679b4d20,ffff80002a1c3558) at closef+0x120 sys/kern/kern_descrip.c:1258 syscall(ffff80002d6889d0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d6889d0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c3b9a5f6bf0, count: 6 ddb{1}> trace x86_ipi_db(ffff800029cebff0) 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 __mp_lock(ffffffff82df9d10) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82df9d10) at __mp_lock+0x122 sys/kern/kern_lock.c:147 vn_closefile(fffffd80679b4d20,ffff80002a1c3558) at vn_closefile+0x38 sys/kern/vfs_vnops.c:602 fdrop(fffffd80679b4d20,ffff80002a1c3558) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80679b4d20,ffff80002a1c3558) at closef+0x120 sys/kern/kern_descrip.c:1258 syscall(ffff80002d6889d0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d6889d0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c3b9a5f6bf0, count: -9