panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 51117 5908 0 0 0 0 syz-executor *179689 5908 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f2378) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a7def,ffffffff8304853a,69e,ffffffff830097dd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000365982b0,ffff8000371bb8a0,ffff8000371bb7f0) at sys_sysctl+0x425 syscall(ffff8000371bb8a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371bb8a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xed26eb76d90, count: 6 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 "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f2378) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a7def,ffffffff8304853a,69e,ffffffff830097dd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000365982b0,ffff8000371bb8a0,ffff8000371bb7f0) at sys_sysctl+0x425 syscall(ffff8000371bb8a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371bb8a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xed26eb76d90, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371bb3c0 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000365982b0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x286d3d7c054aff4d r11 0xf1a1fdd31aa9e9d5 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff829b8bf5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371bb3b0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=179689 pid=5908 tcnt=5 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800036598538,0xffff80003722aa78 process=0xffff800037287668 user=0xffff8000371b6000, vmspace=0xfffffd806bff0aa0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5908 51117 5829 0 7 0 syz-executor * 5908 179689 5829 0 7 0x4000000 syz-executor 5908 293001 5829 0 3 0x4000080 fsleep syz-executor 5908 352560 5829 0 2 0x4000000 syz-executor 5908 517589 5829 0 2 0x4000000 syz-executor 80674 189358 27302 0 2 0 syz-executor 80674 152232 27302 0 3 0x4000080 pipewr syz-executor 5465 169280 76365 0 3 0x80 nanoslp syz-executor 5465 387600 76365 0 3 0x4000080 nanoslp syz-executor 5465 324552 76365 0 3 0x4000080 fsleep syz-executor 94420 358938 94480 0 3 0x80 nanoslp syz-executor 94420 62545 94480 0 3 0x4000080 kqread syz-executor 94420 49585 94480 0 3 0x4000080 fsleep syz-executor 28921 215511 97394 0 3 0x80 nanoslp syz-executor 28921 36922 97394 0 3 0x4000080 bell syz-executor 28921 75884 97394 0 3 0x4000080 fsleep syz-executor 2380 347982 94093 0 3 0x90 nanoslp syz-executor 2380 325921 94093 0 3 0x4000090 kqread syz-executor 2380 132396 94093 0 3 0x4000090 fsleep syz-executor 92593 174378 37548 0 3 0x80 nanoslp syz-executor 92593 92929 37548 0 3 0x4000080 fifor syz-executor 92593 165154 37548 0 3 0x4000080 fsleep syz-executor 44711 380770 21556 0 3 0x80 nanoslp syz-executor 44711 158868 21556 0 3 0x4000080 ttyout syz-executor 44711 421582 21556 0 3 0x4000080 fsleep syz-executor 5829 48078 96514 0 3 0x82 nanoslp syz-executor 70055 431156 1 0 3 0x100083 ttyin getty 22636 51461 0 0 3 0x14200 acct acct 27302 93242 96514 0 3 0x82 nanoslp syz-executor 22903 321954 0 0 3 0x14280 nfsidl nfsio 8873 274507 0 0 3 0x14280 nfsidl nfsio 13208 395842 0 0 3 0x14280 nfsidl nfsio 48048 389218 0 0 3 0x14280 nfsidl nfsio 8711 524013 0 0 3 0x14280 nfsidl nfsio 77250 404518 0 0 3 0x14280 nfsidl nfsio 99062 211832 0 0 3 0x14280 nfsidl nfsio 51597 471110 0 0 3 0x14280 nfsidl nfsio 77274 65545 0 0 3 0x14280 nfsidl nfsio 51978 157604 0 0 3 0x14280 nfsidl nfsio 41267 224762 0 0 3 0x14280 nfsidl nfsio 75305 210806 0 0 3 0x14280 nfsidl nfsio 42333 304751 0 0 3 0x14280 nfsidl nfsio 45889 388323 0 0 3 0x14280 nfsidl nfsio 82492 258191 0 0 3 0x14280 nfsidl nfsio 96536 497697 0 0 3 0x14280 nfsidl nfsio 4139 322134 0 0 3 0x14280 nfsidl nfsio 39886 520633 0 0 3 0x14280 nfsidl nfsio 87628 253852 0 0 3 0x14280 nfsidl nfsio 13810 367706 0 0 3 0x14280 nfsidl nfsio 54212 162485 0 0 3 0x14200 bored sosplice 76365 10408 96514 0 3 0x82 nanoslp syz-executor 37548 77108 96514 0 3 0x82 nanoslp syz-executor 97394 269202 96514 0 3 0x82 nanoslp syz-executor 94093 258003 96514 0 3 0x82 nanoslp syz-executor 94480 391146 96514 0 3 0x82 nanoslp syz-executor 21556 157476 96514 0 3 0x82 nanoslp syz-executor 96514 367902 49275 0 3 0x82 kqread syz-executor 49275 207092 66257 0 3 0x10008a sigsusp ksh 66257 157657 81885 0 3 0x98 kqread sshd-session 81885 407151 29850 0 3 0x92 kqread sshd-session 29850 94265 1 0 3 0x88 kqread sshd 29682 354970 20422 74 3 0x1100092 bpf pflogd 20422 203078 1 0 3 0x80 sbwait pflogd 51744 287558 27623 73 3 0x1100090 kqread syslogd 27623 248193 1 0 3 0x100082 sbwait syslogd 8163 122263 1 0 3 0x100080 kqread resolvd 98837 337515 89210 77 3 0x100092 kqread dhcpleased 54568 293006 89210 77 3 0x100092 kqread dhcpleased 89210 345165 1 0 3 0x80 kqread dhcpleased 71186 489398 0 0 3 0x14200 bored smr 16402 476860 0 0 3 0x14200 pgzero zerothread 13688 77474 0 0 3 0x14200 aiodoned aiodoned 86336 37393 0 0 3 0x14200 syncer update 94199 443123 0 0 3 0x14200 cleaner cleaner 3099 26520 0 0 3 0x14200 reaper reaper 94599 295796 0 0 3 0x14200 pgdaemon pagedaemon 92354 211781 0 0 3 0x14200 bored viomb 26194 11560 0 0 3 0x40014200 acpi0 acpi0 22420 3369 0 0 3 0x40014200 idle1 50865 351273 0 0 3 0x14200 bored softnet3 29548 169073 0 0 3 0x14200 bored softnet2 59965 338429 0 0 3 0x14200 bored softnet1 38972 149425 0 0 3 0x14200 bored softnet0 9248 522838 0 0 3 0x14200 bored systqmp 28320 432238 0 0 3 0x14200 bored systq 19800 372451 0 0 3 0x14200 tmoslp softclockmp 83458 80002 0 0 3 0x40014200 tmoslp softclock 97145 230550 0 0 3 0x40014200 idle0 1 319202 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 5908 (syz-executor) thread 0xffff8000365982b0 (179689) exclusive rwlock amaplk r = 0 (0xfffffd805f763130) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713 #3 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 #4 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #4 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #5 sys_sysctl+0x425 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806bff0b98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8357fcc8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #6 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1636 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #10 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #11 sys_sysctl+0x425 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834e01d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10256 11169K 11507K 166960K 13324 0 pcb 17 13K 13K 166960K 229 0 rtable 198 7K 8K 166960K 905 0 pf 39 18K 274K 166960K 92 0 ifaddr 41 6K 7K 166960K 72 0 ifgroup 66 2K 2K 166960K 107 0 sysctl 3 1K 1K 166960K 3 0 counters 68 36K 37K 166960K 96 0 ioctlops 0 0K 4K 166960K 1711 0 iov 0 0K 32K 166960K 89 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1494 94K 94K 166960K 2829 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 4 9K 9K 166960K 27 0 VM map 2 1K 1K 166960K 2 0 sem 15 10K 11K 166960K 78 0 dirhash 12 2K 2K 166960K 57 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 97K 166960K 1441 0 sigio 0 0K 0K 166960K 26 0 proc 72 91K 152K 166960K 727 0 subproc 104 6K 6K 166960K 132 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 233 0 in_multi 81 6K 7K 166960K 158 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 792 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 272 74K 77K 166960K 15408 0 UVM aobj 48 4K 4K 166960K 57 0 pinsyscall 43 86K 104K 166960K 2650 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 53 0 NDP 14 0K 1K 166960K 49 0 temp 77 6828K 6936K 166960K 66125 0 kqueue 15 24K 28K 166960K 232 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 120 115 0 112 1 0 1 1 0 8 0 rtentry 112 346 0 260 3 0 3 3 0 8 0 unpcb 144 1353 0 1333 11 6 5 6 0 8 4 syncache 336 18 0 18 3 2 1 1 0 8 1 tcpqe 32 9 0 9 3 2 1 1 0 8 1 tcpcb 808 534 0 523 15 7 8 8 0 8 6 arp 120 91 0 74 1 0 1 1 0 8 0 inpcb 336 1511 0 1496 13 5 8 8 0 8 6 nd6 136 34 0 13 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 9 0 9 2 1 1 1 0 8 1 pffrag 232 13 0 5 1 0 1 1 0 482 0 pffrnode 88 13 0 5 1 0 1 1 0 8 0 pffrent 40 27 0 19 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 86 0 23 1 0 1 1 0 8 0 pfstkey 128 86 0 23 3 0 3 3 0 8 0 pfstate 376 86 0 23 7 0 7 7 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 886 0 508 30 3 27 27 0 8 1 art_table 32 889 0 508 4 0 4 4 0 8 0 art_node 16 343 0 266 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 9 1 0 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 69 0 56 1 0 1 1 0 8 0 shmpl 112 54 0 9 2 0 2 2 0 8 0 dirhash 1024 48 0 31 3 0 3 3 0 8 0 dino2pl 256 4149 0 2640 95 0 95 95 0 8 0 ffsino 272 4149 0 2640 102 1 101 102 0 8 0 nchpl 144 6211 0 4513 63 0 63 63 0 8 0 uvmvnodes 80 5092 0 0 104 0 104 104 0 8 0 vnodes 216 5092 0 0 283 0 283 283 0 8 0 namei 1024 22821 0 22821 2 1 1 2 0 8 1 percpumem 16 62 0 14 1 0 1 1 0 8 0 kstatmem 264 56 0 28 3 1 2 3 0 8 0 scsiplug 72 5 0 5 2 1 1 1 0 8 1 scxspl 216 17700 0 17700 12 9 3 8 1 8 3 plimitpl 152 251 0 233 1 0 1 1 0 8 0 sigapl 424 1777 0 1705 11 2 9 9 0 8 0 futexpl 64 20153 0 20146 1 0 1 1 0 8 0 knotepl 120 547 0 0 17 0 17 17 0 8 0 kqueuepl 216 423 0 409 3 2 1 3 0 8 0 pipepl 320 246 0 216 3 0 3 3 0 8 0 fdescpl 496 1736 0 1704 6 1 5 6 0 8 0 filepl 152 12729 0 12463 25 9 16 18 0 8 3 lockfpl 104 500 0 496 1 0 1 1 0 8 0 lockfspl 48 193 0 189 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 58 0 41 1 0 1 1 0 8 0 ucredpl 104 2529 0 2514 1 0 1 1 0 8 0 zombiepl 144 1705 0 1705 1 0 1 1 0 8 1 processpl 1160 1777 0 1705 7 1 6 6 0 8 0 procpl 648 4005 0 3916 10 2 8 8 0 8 0 srpgc 96 11 0 11 2 1 1 1 0 8 1 sosppl 168 7 0 7 2 1 1 1 0 8 1 sockpl 664 2999 0 2961 28 16 12 16 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 129 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 48 0 0 6 0 6 6 0 8 0 mtagpl 96 27 0 0 1 0 1 1 0 8 0 mbufpl 256 1266 0 0 79 0 79 79 0 8 0 bufpl 280 4934 0 116 345 0 345 345 0 8 0 anonpl 24 298703 0 293358 101 53 48 80 0 185 9 amapchunkpl 152 49548 0 48882 35 9 26 32 0 158 0 amappl16 200 7885 0 7830 68 54 14 32 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 154 0 142 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 2434 0 2401 4 2 2 3 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 39 0 39 4 4 0 1 0 8 0 amappl9 144 136 0 136 1 1 0 1 0 8 0 amappl8 136 27 0 23 1 0 1 1 0 8 0 amappl7 128 132 0 117 1 0 1 1 0 8 0 amappl6 120 210 0 209 1 0 1 1 0 8 0 amappl5 112 158 0 146 1 0 1 1 0 8 0 amappl4 104 386 0 368 1 0 1 1 0 8 0 amappl3 96 9319 0 9204 3 0 3 3 0 8 0 amappl2 88 2167 0 2079 3 0 3 3 0 8 0 amappl1 80 15117 0 14546 14 0 14 14 0 8 0 amappl 88 14750 0 14543 6 1 5 5 0 92 0 dma32768 32768 2 0 2 1 1 0 1 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 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 1 1 1 0 8 1 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 56 0 9 1 0 1 1 0 8 0 uaddrrnd 24 1737 0 1705 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1737 0 1705 1 0 1 1 0 8 0 vmmpekpl 168 16264 0 16215 3 0 3 3 0 8 0 vmmpepl 168 117398 0 115401 115 18 97 108 0 357 5 vmsppl 448 1736 0 1705 6 2 4 5 0 8 0 rwobjpl 56 40578 0 34427 90 2 88 88 0 8 0 pdppl 4096 3481 0 3410 119 46 73 87 0 8 2 pvpl 32 19662 0 0 159 0 159 159 0 265 0 pmappl 248 1736 0 1705 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 502 0 71 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83489ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8357fac0) at __mp_lock+0x1ac __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357fac0) at __mp_lock+0x1ac sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc syscall(ffff8000371c9590) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371c9590) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7410d9058670, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83489ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8357fac0) at __mp_lock+0x1ac __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357fac0) at __mp_lock+0x1ac sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc syscall(ffff8000371c9590) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371c9590) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7410d9058670, count: -9 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:437 panic(ffffffff830f2378) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a7def,ffffffff8304853a,69e,ffffffff830097dd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000365982b0,ffff8000371bb8a0,ffff8000371bb7f0) at sys_sysctl+0x425 syscall(ffff8000371bb8a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371bb8a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xed26eb76d90, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f2378) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a7def,ffffffff8304853a,69e,ffffffff830097dd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bff0aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371bb734,5,20000100,ffff8000371bb768,0,37,48a5a8e9662f6017) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000365982b0,ffff8000371bb8a0,ffff8000371bb7f0) at sys_sysctl+0x425 syscall(ffff8000371bb8a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371bb8a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xed26eb76d90, count: -9