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 397998 62882 0 0x8000000 0 0 syz-executor.3 *311683 38341 0 0x8000000 0 1 syz-executor.0 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007feed80,fffffd807e212dc8,315135000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd807e212dc8,315135000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807e212d98,62a26b6f000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd807e212d98,62a26b6f000,75fd8000,3,22) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_upper(ffff80002a216150,ffff80002a216188,ffff80002a216050,0) at uvm_fault_upper+0x2b5 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd807ab4e000,62a26b6f000,0,2) at uvm_fault+0x157 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a2162d0,62a26b6f028) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a2162d0) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e7d184686a0, count: 3 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 "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007feed80,fffffd807e212dc8,315135000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd807e212dc8,315135000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807e212d98,62a26b6f000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd807e212d98,62a26b6f000,75fd8000,3,22) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_upper(ffff80002a216150,ffff80002a216188,ffff80002a216050,0) at uvm_fault_upper+0x2b5 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd807ab4e000,62a26b6f000,0,2) at uvm_fault+0x157 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a2162d0,62a26b6f028) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a2162d0) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e7d184686a0, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a215c80 rbx 0xffff800029ceccdf rdx 0 rcx 0xffff8000ffff7c50 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x133c55348ec242f8 r11 0x1d218cd57b7605c7 r12 0xffff800029cecae0 r13 0 r14 0 r15 0x1 rip 0xffffffff81e52b9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a215c70 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) tid=311683 pid=38341 tcnt=4 stat=onproc flags process=8000000 proc=0 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002f0a99d0,0xffff8000ffffc2b0 process=0xffff8000fffef0f0 user=0xffff80002a211000, vmspace=0xfffffd807ab4e000 estcpu=34, cpticks=11, pctcpu=0.3, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76142 16148 96593 0 3 0x8000080 nanoslp syz-executor.6 76142 292673 96593 0 3 0xc000080 fsleep syz-executor.6 76142 455346 96593 0 3 0xc000080 fsleep syz-executor.6 44851 109258 67475 0 2 0x8000000 syz-executor.1 44851 179825 67475 0 3 0xc000080 fsleep syz-executor.1 38590 111269 2304 0 2 0x8000000 syz-executor.7 38590 91809 2304 0 3 0xc000000 biowait syz-executor.7 62882 397998 24101 0 7 0x8000000 syz-executor.3 62882 344056 24101 0 3 0xc000080 sbwait syz-executor.3 29804 344792 33420 0 4 0x8082000 syz-executor.5 29804 340987 33420 0 4 0xc082000 syz-executor.5 29804 202351 33420 0 2 0xc002000 syz-executor.5 79435 115051 17771 0 2 0x8000000 syz-executor.2 79435 262605 17771 0 3 0xc000080 fsleep syz-executor.2 79435 400537 17771 0 3 0xc000080 ttyin syz-executor.2 79435 155097 17771 0 3 0xc000080 fsleep syz-executor.2 *38341 311683 22266 0 7 0x8000000 syz-executor.0 38341 487356 22266 0 3 0xc000080 kqread syz-executor.0 38341 312003 22266 0 3 0xc000080 fsleep syz-executor.0 38341 417520 22266 0 3 0xc000080 fsleep syz-executor.0 48487 367012 47410 0 3 0x8000082 nanoslp syz-executor.4 73310 367607 0 0 3 0x14200 acct acct 22266 506778 47410 0 2 0x8000002 syz-executor.0 67475 60968 47410 0 3 0x8000082 nanoslp syz-executor.1 58522 56718 1 0 3 0x18100083 ttyin getty 96593 421668 47410 0 2 0x8000482 syz-executor.6 24101 39778 47410 0 2 0x8000002 syz-executor.3 2304 221291 47410 0 2 0x8000002 syz-executor.7 17771 443079 47410 0 3 0x8000082 nanoslp syz-executor.2 68088 490084 0 0 3 0x14200 bored sosplice 33420 134546 47410 0 3 0x8000082 nanoslp syz-executor.5 47410 445204 67796 0 3 0x1a000082 thrsleep syz-fuzzer 47410 73975 67796 0 3 0x1e000082 thrsleep syz-fuzzer 47410 201546 67796 0 3 0x1e000082 wait syz-fuzzer 47410 427162 67796 0 3 0x1e000082 kqread syz-fuzzer 47410 387190 67796 0 3 0x1e000082 thrsleep syz-fuzzer 47410 194618 67796 0 3 0x1e000082 wait syz-fuzzer 47410 334809 67796 0 3 0x1e000082 wait syz-fuzzer 47410 73750 67796 0 3 0x1e000082 thrsleep syz-fuzzer 47410 80680 67796 0 3 0x1e000082 wait syz-fuzzer 47410 46721 67796 0 3 0x1e000082 wait syz-fuzzer 47410 144837 67796 0 3 0x1e000082 wait syz-fuzzer 47410 166592 67796 0 3 0x1e000082 thrsleep syz-fuzzer 47410 436012 67796 0 3 0x1e000082 thrsleep syz-fuzzer 47410 152900 67796 0 3 0x1e000082 wait syz-fuzzer 47410 258559 67796 0 3 0x1e000082 wait syz-fuzzer 47410 176816 67796 0 3 0x1e000082 thrsleep syz-fuzzer 47410 462855 67796 0 3 0x1e000082 thrsleep syz-fuzzer 67796 118160 25476 0 3 0x810008a sigsusp ksh 25476 5944 71109 0 3 0x1800009a kqread sshd 71109 466373 1 0 3 0x18000088 kqread sshd 9179 11998 46715 74 3 0x19100092 bpf pflogd 46715 144428 1 0 3 0x18000080 sbwait pflogd 80668 212280 84322 73 3 0x19100090 kqread syslogd 84322 238975 1 0 3 0x18100082 sbwait syslogd 24464 220611 1 0 3 0x18100080 kqread resolvd 16930 119066 0 0 3 0x14200 bored smr 22767 320371 0 0 2 0x14200 zerothread 56252 348966 0 0 3 0x14200 aiodoned aiodoned 64229 146026 0 0 3 0x14200 syncer update 28640 170433 0 0 3 0x14200 cleaner cleaner 61105 455671 0 0 3 0x14200 reaper reaper 10048 482781 0 0 3 0x14200 pgdaemon pagedaemon 87511 32702 0 0 3 0x14200 bored viomb 12092 316787 0 0 3 0x40014200 acpi0 acpi0 21073 31968 0 0 3 0x40014200 idle1 12207 76545 0 0 3 0x14200 bored softnet3 89227 34563 0 0 3 0x14200 bored softnet2 73916 246763 0 0 3 0x14200 bored softnet1 81619 74292 0 0 3 0x14200 bored softnet0 76148 452282 0 0 3 0x14200 bored systqmp 60996 20329 0 0 3 0x14200 bored systq 54392 494045 0 0 3 0x14200 tmoslp softclockmp 77316 427783 0 0 3 0x40014200 tmoslp softclock 50997 453347 0 0 3 0x40014200 idle0 1 769 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd807e212da8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_upper+0x2b5 sys/uvm/uvm_fault.c:1056 #5 uvm_fault+0x157 sys/uvm/uvm_fault.c:608 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 44851 (syz-executor.1) thread 0xffff80002bc8b4c0 (109258) exclusive rwlock amaplk r = 0 (0xfffffd805fd13910) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 uvm_fault_check+0x401 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #3 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807f002eb0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #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+0x8e sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 38590 (syz-executor.7) thread 0xffff8000ffff6f80 (91809) exclusive rrwlock inode r = 0 (0xfffffd807b3ec3d8) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117 #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 (0xfffffd806e12ff88) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 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 Process 38341 (syz-executor.0) thread 0xffff8000ffff7c50 (311683) exclusive rwlock amaplk r = 0 (0xfffffd807b429a20) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 uvm_fault_check+0x401 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #3 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807ab4e0f0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #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+0x8e sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd807e212da8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_upper+0x2b5 sys/uvm/uvm_fault.c:1056 #5 uvm_fault+0x157 sys/uvm/uvm_fault.c:608 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 6502K 6885K 166960K 14021 0 pcb 17 18K 20K 166960K 1048 0 rtable 209 7K 8K 166960K 1543 0 pf 32 9K 10K 166960K 207 0 ifaddr 41 15K 16K 166960K 209 0 ifgroup 55 2K 2K 166960K 347 0 sysctl 4 1K 2K 166960K 5 0 counters 64 36K 36K 166960K 204 0 ioctlops 0 0K 4K 166960K 1675 0 iov 0 0K 24K 166960K 207 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1449 91K 92K 166960K 3828 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 62 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 344 0 dirhash 12 2K 2K 166960K 57 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 97K 166960K 3442 0 sigio 0 0K 0K 166960K 129 0 proc 65 67K 128K 166960K 1567 0 subproc 104 6K 7K 166960K 471 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 517 0 in_multi 87 6K 7K 166960K 494 0 ether_multi 1 0K 0K 166960K 16 0 mrt 0 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 1330 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 294 125K 144K 166960K 34029 0 UVM aobj 125 6K 6K 166960K 143 0 pinsyscall 35 70K 108K 166960K 5371 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 285 0 NDP 12 0K 2K 166960K 152 0 temp 74 6820K 7316K 166960K 101621 0 kqueue 6 10K 29K 166960K 432 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 120 411 0 410 5 4 1 3 0 8 0 rtentry 112 494 0 400 4 0 4 4 0 8 0 unpcb 144 3579 0 3571 36 34 2 9 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 59 0 59 5 5 0 1 0 8 0 tcpcb 808 959 0 954 25 23 2 8 0 8 1 arp 120 87 0 76 1 0 1 1 0 8 0 inpcb 384 5082 0 5070 71 63 8 13 0 8 6 nd6 136 126 0 103 1 0 1 1 0 8 0 pkpcb 40 20 0 20 4 4 0 1 0 8 0 kcovpl 48 36 0 28 1 0 1 1 0 8 0 ppxss 1168 6 0 6 5 5 0 1 0 8 0 pffrag 232 13 0 13 5 4 1 1 0 482 1 pffrnode 88 13 0 13 5 4 1 1 0 8 1 pffrent 40 155 0 155 6 5 1 1 0 8 1 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 24 219 0 178 1 0 1 1 0 8 0 pfstkey 128 219 0 178 2 0 2 2 0 8 0 pfstate 376 219 0 178 6 1 5 6 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 1816 0 1398 44 17 27 29 0 8 0 art_table 32 1817 0 1398 4 0 4 4 0 8 0 art_node 16 485 0 402 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 7 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 337 0 327 1 0 1 1 0 8 0 shmpl 112 140 0 18 4 0 4 4 0 8 0 dirhash 1024 47 0 30 3 0 3 3 0 8 0 dino2pl 256 7141 0 5605 97 0 97 97 0 8 0 ffsino 272 7141 0 5605 103 0 103 103 0 8 0 nchpl 144 12136 0 10395 67 0 67 67 0 8 0 uvmvnodes 80 7654 0 0 157 0 157 157 0 8 0 vnodes 216 7654 0 0 426 0 426 426 0 8 0 namei 1024 47979 0 47978 8 7 1 2 0 8 0 percpumem 16 116 0 70 1 0 1 1 0 8 0 vcpupl 3904 9 0 2 1 0 1 1 0 8 0 vmpool 696 25 0 18 4 3 1 1 0 8 0 kstatmem 264 164 0 140 2 0 2 2 0 8 0 scsiplug 72 15 0 15 9 8 1 1 0 8 1 scxspl 216 63561 0 63560 22 21 1 8 1 8 0 plimitpl 152 738 0 721 1 0 1 1 0 8 0 sigapl 424 3722 0 3674 8 2 6 7 0 8 0 futexpl 64 44626 0 44619 6 5 1 1 0 8 0 knotepl 120 745 0 0 19 1 18 19 0 8 0 kqueuepl 216 1068 0 1061 11 10 1 5 0 8 0 pipepl 320 923 0 894 19 16 3 8 0 8 0 fdescpl 496 3688 0 3661 5 0 5 5 0 8 0 filepl 152 29701 0 29459 58 45 13 21 0 8 0 lockfpl 104 1160 0 1159 3 2 1 2 0 8 0 lockfspl 48 340 0 339 1 0 1 1 0 8 0 sessionpl 144 59 0 43 1 0 1 1 0 8 0 pgrppl 48 93 0 77 1 0 1 1 0 8 0 ucredpl 104 5097 0 5086 1 0 1 1 0 8 0 zombiepl 144 3675 0 3674 1 0 1 1 0 8 0 processpl 1136 3722 0 3674 5 0 5 5 0 8 0 procpl 656 8637 0 8560 10 3 7 8 0 8 0 srpgc 96 42 0 42 8 8 0 1 0 8 0 sosppl 168 47 0 47 13 12 1 1 0 8 1 sockpl 664 9142 0 9122 94 86 8 20 0 8 4 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 433 0 0 45 1 44 45 0 8 2 mtagpl 96 30 0 0 1 0 1 1 0 8 0 mbufpl 256 1567 0 0 89 0 89 89 0 8 0 bufpl 280 12409 0 4536 563 0 563 563 0 8 0 anonpl 24 547003 0 541086 166 100 66 88 0 186 4 amapchunkpl 152 112041 0 111328 82 42 40 44 0 158 8 amappl16 200 10439 0 10290 75 64 11 32 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 274 0 264 2 1 1 2 0 8 0 amappl13 176 17 0 17 2 2 0 1 0 8 0 amappl12 168 4758 0 4729 4 2 2 3 0 8 0 amappl11 160 53 0 45 1 0 1 1 0 8 0 amappl10 152 99 0 89 1 0 1 1 0 8 0 amappl9 144 182 0 182 2 2 0 1 0 8 0 amappl8 136 299 0 260 2 0 2 2 0 8 0 amappl7 128 53 0 37 1 0 1 1 0 8 0 amappl6 120 731 0 715 2 1 1 2 0 8 0 amappl5 112 289 0 276 1 0 1 1 0 8 0 amappl4 104 754 0 720 3 1 2 3 0 8 0 amappl3 96 20980 0 20891 3 0 3 3 0 8 0 amappl2 88 4240 0 4177 4 2 2 4 0 8 0 amappl1 80 21681 0 21230 23 10 13 23 0 8 0 amappl 88 33035 0 32830 6 0 6 6 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 72 142 0 18 3 0 3 3 0 8 0 uaddrrnd 24 3713 0 3679 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3713 0 3679 1 0 1 1 0 8 0 vmmpekpl 168 32746 0 32697 3 0 3 3 0 8 0 vmmpepl 168 243579 0 241733 162 67 95 120 0 357 2 vmsppl 440 3712 0 3679 8 3 5 5 0 8 0 rwobjpl 56 69212 0 60375 131 6 125 125 0 8 0 pdppl 4096 7433 0 7365 230 161 69 85 0 8 1 pvpl 32 49068 0 0 397 1 396 396 0 265 0 pmappl 248 3712 0 3679 5 2 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 657 0 217 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cbfff0) 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(ffffffff82d62f20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d62f20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002bc89a70,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x776bb909d640, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82cbfff0) 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(ffffffff82d62f20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d62f20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002bc89a70,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x776bb909d640, count: -6 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(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007feed80,fffffd807e212dc8,315135000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd807e212dc8,315135000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807e212d98,62a26b6f000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd807e212d98,62a26b6f000,75fd8000,3,22) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_upper(ffff80002a216150,ffff80002a216188,ffff80002a216050,0) at uvm_fault_upper+0x2b5 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd807ab4e000,62a26b6f000,0,2) at uvm_fault+0x157 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a2162d0,62a26b6f028) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a2162d0) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e7d184686a0, count: 3 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007feed80,fffffd807e212dc8,315135000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd807e212dc8,315135000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807e212d98,62a26b6f000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd807e212d98,62a26b6f000,75fd8000,3,22) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_upper(ffff80002a216150,ffff80002a216188,ffff80002a216050,0) at uvm_fault_upper+0x2b5 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd807ab4e000,62a26b6f000,0,2) at uvm_fault+0x157 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a2162d0,62a26b6f028) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a2162d0) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e7d184686a0, count: -12