uvm_fault(0xffffffff82e0c270, 0xffff8000288f2000, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memset+0x52: repe stosq %es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND *511062 52987 0 0 0x4000000 0K syz-executor.3 memset() at memset+0x52 VOP_WRITE(fffffd8067e5be80,ffff80003723dab0,0,fffffd807f7d7618) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 uvn_io(fffffd80713ad838,ffff80003723dca0,b,31,1) at uvn_io+0x370 sys/uvm/uvm_vnode.c:1269 uvn_put(fffffd80713ad838,ffff80003723dca0,b,31) at uvn_put+0xd4 sys/uvm/uvm_vnode.c:926 uvm_pager_put(fffffd80713ad838,fffffd80075421c0,ffff80003723dd38,ffff80003723dd78,31,0,9f51882970629f6e) at uvm_pager_put+0x137 sys/uvm/uvm_pager.c:545 uvn_flush(fffffd80713ad838,0,0,31) at uvn_flush+0x532 sys/uvm/uvm_vnode.c:725 uvm_vnp_sync(ffff8000006d2400) at uvm_vnp_sync+0x16f sys/uvm/uvm_vnode.c:1540 sys_sync(ffff80002a1b07e8,ffff80003723df50,ffff80003723dea0) at sys_sync+0x9b sys/kern/vfs_syscalls.c:535 syscall(ffff80003723df50) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003723df50) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda97ed8d160, count: 5 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: uvm_fault(0xffffffff82e0c270, 0xffff8000288f2000, 0, 2) -> d ddb{0}> trace memset() at memset+0x52 VOP_WRITE(fffffd8067e5be80,ffff80003723dab0,0,fffffd807f7d7618) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 uvn_io(fffffd80713ad838,ffff80003723dca0,b,31,1) at uvn_io+0x370 sys/uvm/uvm_vnode.c:1269 uvn_put(fffffd80713ad838,ffff80003723dca0,b,31) at uvn_put+0xd4 sys/uvm/uvm_vnode.c:926 uvm_pager_put(fffffd80713ad838,fffffd80075421c0,ffff80003723dd38,ffff80003723dd78,31,0,9f51882970629f6e) at uvm_pager_put+0x137 sys/uvm/uvm_pager.c:545 uvn_flush(fffffd80713ad838,0,0,31) at uvn_flush+0x532 sys/uvm/uvm_vnode.c:725 uvm_vnp_sync(ffff8000006d2400) at uvm_vnp_sync+0x16f sys/uvm/uvm_vnode.c:1540 sys_sync(ffff80002a1b07e8,ffff80003723df50,ffff80003723dea0) at sys_sync+0x9b sys/kern/vfs_syscalls.c:535 syscall(ffff80003723df50) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003723df50) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda97ed8d160, count: -10 ddb{0}> show registers rdi 0xffff8000288f2000 rsi 0 rbp 0xffff80003723da10 rbx 0xe rdx 0 rcx 0x800 rax 0 r8 0x4000 __ALIGN_SIZE+0x3000 r9 0xffff80003723d988 r10 0x276f1dbf485058f1 r11 0xffff8000288f2000 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x4000 __ALIGN_SIZE+0x3000 r14 0xffff8000288f2000 r15 0x4000 __ALIGN_SIZE+0x3000 rip 0xffffffff810a8a72 memset+0x52 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80003723d948 ss 0x10 memset+0x52: repe stosq %es:(%rdi) ddb{0}> show proc PROC (syz-executor.3) tid=511062 pid=52987 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1af550,0xffffffff82d63120 process=0xffff8000373c7568 user=0xffff800037239000, vmspace=0xfffffd8067e3d578 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 52987 299673 49681 0 2 0 syz-executor.3 *52987 511062 49681 0 7 0x4000000 syz-executor.3 34737 361474 60061 0 2 0 syz-executor.7 34737 35484 60061 0 3 0x4000080 fsleep syz-executor.7 34737 500769 60061 0 3 0x4000080 fsleep syz-executor.7 66071 419512 11152 0 2 0 syz-executor.6 66071 183596 11152 0 3 0x4000080 fsleep syz-executor.6 22341 475069 63546 60928 2 0x10 syz-executor.4 22341 78061 63546 60928 3 0x4000090 fsleep syz-executor.4 22341 160805 63546 60928 3 0x4000090 fsleep syz-executor.4 25508 510715 92976 0 2 0 syz-executor.2 25508 520248 92976 0 3 0x4000080 fsleep syz-executor.2 36039 124517 97219 60928 2 0x10 syz-executor.1 36039 489823 97219 60928 2 0x4000010 syz-executor.1 36039 353655 97219 60928 3 0x4000090 fsleep syz-executor.1 36039 49959 97219 60928 3 0x4000090 fsleep syz-executor.1 227 419962 802 0 2 0x480 syz-executor.0 227 112133 802 0 3 0x4000080 ttyout syz-executor.0 227 511745 802 0 3 0x4000080 ttyout syz-executor.0 227 35595 802 0 3 0x4000080 ttyout syz-executor.0 63546 195543 98719 0 2 0x482 syz-executor.4 49681 403785 98719 0 2 0x482 syz-executor.3 97219 10347 98719 0 2 0x482 syz-executor.1 61892 244506 98719 0 2 0x482 syz-executor.5 92976 206690 98719 0 2 0x482 syz-executor.2 11152 117223 98719 0 2 0x482 syz-executor.6 60061 178627 98719 0 2 0x482 syz-executor.7 89548 414518 0 0 3 0x14200 acct acct 38856 35594 1 0 3 0x100083 ttyin getty 10964 447775 0 0 3 0x14280 nfsidl nfsio 89524 421391 0 0 3 0x14280 nfsidl nfsio 41819 297093 0 0 3 0x14280 nfsidl nfsio 65423 208394 0 0 3 0x14280 nfsidl nfsio 90029 157679 0 0 3 0x14280 nfsidl nfsio 824 309296 0 0 3 0x14280 nfsidl nfsio 98427 295940 0 0 3 0x14280 nfsidl nfsio 43714 218327 0 0 3 0x14280 nfsidl nfsio 82097 140109 0 0 3 0x14280 nfsidl nfsio 72408 499278 0 0 3 0x14280 nfsidl nfsio 92185 99419 0 0 3 0x14280 nfsidl nfsio 27300 429515 0 0 3 0x14280 nfsidl nfsio 89093 362132 0 0 3 0x14280 nfsidl nfsio 22464 206393 0 0 3 0x14280 nfsidl nfsio 80553 35397 0 0 3 0x14280 nfsidl nfsio 90702 277552 0 0 3 0x14280 nfsidl nfsio 78752 171031 0 0 3 0x14280 nfsidl nfsio 43536 200176 0 0 3 0x14280 nfsidl nfsio 20892 445046 0 0 3 0x14280 nfsidl nfsio 80451 499832 0 0 3 0x14280 nfsidl nfsio 802 117990 98719 0 2 0x482 syz-executor.0 13822 112685 0 0 3 0x14200 bored sosplice 98719 265203 62484 0 3 0x2000082 thrsleep syz-fuzzer 98719 291664 62484 0 3 0x6000082 thrsleep syz-fuzzer 98719 206418 62484 0 3 0x6000082 thrsleep syz-fuzzer 98719 198858 62484 0 3 0x6000082 wait syz-fuzzer 98719 264561 62484 0 3 0x6000082 wait syz-fuzzer 98719 309483 62484 0 3 0x6000082 kqread syz-fuzzer 98719 148880 62484 0 3 0x6000082 wait syz-fuzzer 98719 44531 62484 0 3 0x6000082 thrsleep syz-fuzzer 98719 10777 62484 0 3 0x6000082 wait syz-fuzzer 98719 453564 62484 0 3 0x6000082 wait syz-fuzzer 98719 15116 62484 0 3 0x6000082 thrsleep syz-fuzzer 98719 1717 62484 0 3 0x6000082 thrsleep syz-fuzzer 98719 319591 62484 0 3 0x6000082 wait syz-fuzzer 98719 487099 62484 0 3 0x6000082 wait syz-fuzzer 98719 509713 62484 0 3 0x6000082 wait syz-fuzzer 98719 202461 62484 0 3 0x6000082 thrsleep syz-fuzzer 62484 454121 55010 0 3 0x10008a sigsusp ksh 55010 375128 25186 0 3 0x9a kqread sshd 25186 312017 1 0 3 0x88 kqread sshd 7178 278058 21731 74 3 0x1100092 bpf pflogd 21731 249128 1 0 3 0x80 netio pflogd 45226 449091 87503 73 3 0x1100090 kqread syslogd 87503 208628 1 0 3 0x100082 netio syslogd 71348 147816 1 0 3 0x100080 kqread resolvd 80745 451124 0 0 3 0x14200 bored smr 19392 14482 0 0 2 0x14200 zerothread 75125 73312 0 0 3 0x14200 aiodoned aiodoned 3861 520804 0 0 3 0x14200 syncer update 85403 69762 0 0 3 0x14200 cleaner cleaner 68019 170665 0 0 3 0x14200 reaper reaper 33025 372632 0 0 3 0x14200 pgdaemon pagedaemon 5366 99617 0 0 3 0x14200 bored viomb 48225 112394 0 0 3 0x40014200 acpi0 acpi0 62396 50421 0 0 7 0x40014200 idle1 37096 111971 0 0 3 0x14200 bored softnet3 14073 296054 0 0 3 0x14200 bored softnet2 14628 428282 0 0 3 0x14200 bored softnet1 58232 465528 0 0 3 0x14200 bored softnet0 22915 378530 0 0 3 0x14200 bored systqmp 44446 325937 0 0 3 0x14200 bored systq 6096 496110 0 0 3 0x14200 tmoslp softclockmp 27573 166890 0 0 3 0x40014200 tmoslp softclock 64980 327008 0 0 3 0x40014200 idle0 1 277679 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 52987 (syz-executor.3) thread 0xffff80002a1b07e8 (511062) exclusive rrwlock inode r = 0 (0xfffffd806b9a74d8) #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 uvn_io+0x317 sys/uvm/uvm_vnode.c:1263 #6 uvn_put+0xd4 sys/uvm/uvm_vnode.c:926 #7 uvm_pager_put+0x137 sys/uvm/uvm_pager.c:545 #8 uvn_flush+0x532 sys/uvm/uvm_vnode.c:725 #9 uvm_vnp_sync+0x16f sys/uvm/uvm_vnode.c:1540 #10 sys_sync+0x9b sys/kern/vfs_syscalls.c:535 #11 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #11 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rwlock uvnsync r = 0 (0xffffffff82d4e0b0) #0 witness_lock+0x447 #1 uvm_vnp_sync+0x28 sys/uvm/uvm_vnode.c:1496 #2 sys_sync+0x9b sys/kern/vfs_syscalls.c:535 #3 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #3 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 shared rwlock vfslock r = 0 (0xffff8000006d2458) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vfs_busy+0x75 sys/kern/vfs_subr.c:231 #3 sys_sync+0x4d sys/kern/vfs_syscalls.c:529 #4 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #4 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82e729d0) #0 witness_lock+0x447 #1 syscall+0x51a mi_syscall sys/sys/syscall_mi.h:183 [inline] #1 syscall+0x51a sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 36039 (syz-executor.1) thread 0xffff80002a1de800 (489823) exclusive rrwlock inode r = 0 (0xfffffd806e358928) #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_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1743 #8 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103 #10 vn_open+0x27b sys/kern/vfs_vnops.c:116 #11 doopenat+0x26e sys/kern/vfs_syscalls.c:1126 #12 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #12 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067433b48) #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 vn_open+0x17b sys/kern/vfs_vnops.c:107 #8 doopenat+0x26e sys/kern/vfs_syscalls.c:1126 #9 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #9 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 6501K 6878K 166960K 19724 0 pcb 15 18K 20K 166960K 1447 0 rtable 247 15K 20K 166960K 3221 0 pf 42 11K 11K 166960K 203 0 ifaddr 49 16K 17K 166960K 204 0 ifgroup 75 3K 3K 166960K 315 0 sysctl 4 1K 1K 166960K 8 0 counters 72 37K 37K 166960K 216 0 ioctlops 0 0K 4K 166960K 2327 0 iov 0 0K 24K 166960K 1987 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1416 89K 89K 166960K 5086 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 154 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 86 0 dirhash 12 2K 2K 166960K 75 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 89K 166960K 23990 0 sigio 0 0K 0K 166960K 741 0 proc 64 67K 115K 166960K 1797 0 subproc 104 6K 8K 166960K 471 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 971 0 in_multi 99 7K 7K 166960K 455 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 151 678K 678K 166960K 151 0 exec 0 0K 1K 166960K 2280 0 pfkey data 0 0K 0K 166960K 25 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 463 372K 372K 166960K 225417 0 UVM aobj 131 4K 4K 166960K 131 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 674 0 NDP 16 0K 2K 166960K 154 0 temp 74 6708K 6836K 166960K 118237 0 kqueue 6 10K 24K 166960K 1083 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 1086 0 1085 9 8 1 3 0 8 0 rtentry 112 1140 0 1028 6 2 4 6 0 8 0 unpcb 144 20407 0 20399 150 143 7 10 0 8 6 syncache 320 106 0 106 17 17 0 1 0 8 0 sackhl 24 2 0 2 1 1 0 1 0 8 0 tcpqe 32 528 0 528 13 13 0 1 0 8 0 tcpcb 808 3607 0 3573 115 106 9 11 0 8 5 arp 120 227 0 207 4 2 2 4 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 9 0 9 1 1 0 1 0 8 0 inpcb 376 19029 0 18989 275 264 11 24 0 8 6 nd6 136 102 0 78 1 0 1 1 0 8 0 pkpcb 40 47 0 47 14 14 0 1 0 8 0 kcovpl 48 33 0 25 1 0 1 1 0 8 0 ppxss 1168 32 0 32 10 10 0 1 0 8 0 pffrag 232 2731 0 2729 81 80 1 66 0 482 0 pffrnode 88 362 0 360 2 1 1 1 0 8 0 pffrent 40 3328 0 3326 15 14 1 12 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 1019 0 982 2 0 2 2 0 8 0 pfstkey 128 1021 0 984 11 9 2 8 0 8 0 pfstate 376 1021 0 984 37 33 4 25 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 2239 0 1759 72 42 30 53 0 8 0 art_table 32 2240 0 1759 8 2 6 7 0 8 0 art_node 16 589 0 487 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 59 0 42 3 0 3 3 0 8 0 dino2pl 256 30426 0 28955 93 0 93 93 0 8 0 ffsino 272 30426 0 28955 99 0 99 99 0 8 0 nchpl 144 61532 0 59875 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 177009 0 177008 9 8 1 2 0 8 0 percpumem 16 122 0 72 1 0 1 1 0 8 0 vcpupl 2048 76 0 0 10 0 10 10 0 8 0 vmpool 696 104 0 28 8 1 7 7 0 8 0 kstatmem 264 176 0 144 6 3 3 3 0 8 0 scxspl 216 172999 0 172999 25 24 1 8 1 8 1 plimitpl 152 1402 0 1387 1 0 1 1 0 8 0 sigapl 424 24290 0 24222 11 3 8 8 0 8 0 futexpl 64 175445 0 175437 1 0 1 1 0 8 0 knotepl 120 666 0 0 11 0 11 11 0 8 0 kqueuepl 216 3353 0 3346 74 73 1 5 0 8 0 pipepl 320 2481 0 2452 76 70 6 9 0 8 3 fdescpl 496 24250 0 24223 6 1 5 5 0 8 0 filepl 152 118373 0 118107 236 220 16 21 0 8 5 lockfpl 104 6532 0 6531 12 10 2 4 0 8 1 lockfspl 48 1896 0 1895 1 0 1 1 0 8 0 sessionpl 144 51 0 35 1 0 1 1 0 8 0 pgrppl 48 414 0 398 1 0 1 1 0 8 0 ucredpl 104 10174 0 10161 1 0 1 1 0 8 0 zombiepl 144 24223 0 24222 3 2 1 1 0 8 0 processpl 1136 24290 0 24222 7 2 5 6 0 8 0 procpl 680 61036 0 60940 29 20 9 10 0 8 0 srpgc 96 40 0 40 14 14 0 1 0 8 0 sosppl 168 135 0 130 17 16 1 1 0 8 0 sockpl 584 40647 0 40601 328 313 15 19 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 21 0 0 2 0 2 2 0 8 0 mcl8k 8192 66 0 0 7 0 7 7 0 8 0 mcl4k 4096 199 0 0 24 16 8 24 0 8 0 mcl2k2 2112 14 0 0 1 0 1 1 0 8 0 mcl2k 2048 1368 0 0 144 5 139 139 0 8 0 mtagpl 96 214 0 0 4 0 4 4 0 8 0 mbufpl 256 3458 0 0 187 1 186 186 0 8 0 bufpl 280 34392 0 28071 452 0 452 452 0 8 0 anonpl 24 1986734 0 1973324 218 118 100 114 0 186 0 amapchunkpl 152 708685 0 707739 108 70 38 42 0 158 1 amappl16 200 35182 0 34663 121 92 29 39 0 8 0 amappl15 192 6 0 6 2 2 0 1 0 8 0 amappl14 184 260 0 249 2 1 1 2 0 8 0 amappl13 176 18 0 18 3 3 0 1 0 8 0 amappl12 168 25346 0 25315 3 1 2 2 0 8 0 amappl11 160 55 0 47 1 0 1 1 0 8 0 amappl10 152 62 0 46 1 0 1 1 0 8 0 amappl9 144 324 0 323 1 0 1 1 0 8 0 amappl8 136 794 0 648 6 0 6 6 0 8 0 amappl7 128 341 0 317 2 0 2 2 0 8 0 amappl6 120 815 0 802 1 0 1 1 0 8 0 amappl5 112 732 0 715 1 0 1 1 0 8 0 amappl4 104 994 0 954 6 4 2 2 0 8 0 amappl3 96 140662 0 140578 5 2 3 3 0 8 0 amappl2 88 26668 0 26600 3 1 2 3 0 8 0 amappl1 80 96737 0 96273 23 10 13 23 0 8 0 amappl 88 223997 0 223727 12 5 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 24354 0 24251 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 24354 0 24251 1 0 1 1 0 8 0 vmmpekpl 168 148295 0 148210 6 1 5 5 0 8 0 vmmpepl 168 1387604 0 1385146 500 360 140 145 0 357 18 vmsppl 448 24353 0 24251 17 5 12 12 0 8 0 rwobjpl 56 316006 0 308343 123 14 109 111 0 8 0 pdppl 4096 48715 0 48578 1203 1064 139 139 0 8 2 pvpl 32 44107 0 0 357 1 356 356 0 265 0 pmappl 248 24353 0 24251 7 0 7 7 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2360 0 1592 23 0 23 23 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace memset() at memset+0x52 VOP_WRITE(fffffd8067e5be80,ffff80003723dab0,0,fffffd807f7d7618) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 uvn_io(fffffd80713ad838,ffff80003723dca0,b,31,1) at uvn_io+0x370 sys/uvm/uvm_vnode.c:1269 uvn_put(fffffd80713ad838,ffff80003723dca0,b,31) at uvn_put+0xd4 sys/uvm/uvm_vnode.c:926 uvm_pager_put(fffffd80713ad838,fffffd80075421c0,ffff80003723dd38,ffff80003723dd78,31,0,9f51882970629f6e) at uvm_pager_put+0x137 sys/uvm/uvm_pager.c:545 uvn_flush(fffffd80713ad838,0,0,31) at uvn_flush+0x532 sys/uvm/uvm_vnode.c:725 uvm_vnp_sync(ffff8000006d2400) at uvm_vnp_sync+0x16f sys/uvm/uvm_vnode.c:1540 sys_sync(ffff80002a1b07e8,ffff80003723df50,ffff80003723dea0) at sys_sync+0x9b sys/kern/vfs_syscalls.c:535 syscall(ffff80003723df50) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003723df50) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda97ed8d160, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cfbff0) 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cfbff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029cfbff0) 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cfbff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5