panic: kernel diaWgARnoNstINiGc :a sSPsLer tNiOT oLnO "(WERpgE-D O>pNg _fSlYaSCgsAL L& (11PQ0_ I50N ACTIVEEXI|T P0Q _9A CStopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND 139711 94086 32767 0x400010 0 1 syz-executor *444095 30933 0 0x2 0 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x78cdffd561a0, count: 14 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 *cpu1: kernel diagnostic assertion "(pg->pg_flags & (PQ_INACTIVE|PQ_ACTIVE)) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 1309 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x78cdffd561a0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a2c8650 rbx 0 rdx 0 rcx 0xffff8000ffffc008 rax 0x34 r8 0xffff80002a2c8580 r9 0 r10 0x32c3fb6464d2b21a r11 0xa301ec54272b0be4 r12 0 r13 0 r14 0xffff8000ffffc008 r15 0 rip 0xffffffff830903ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a2c85d0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=444095 pid=30933 tcnt=1 stat=onproc flags process=2 proc=0 runpri=24, usrpri=51, slppri=24, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffd230,0xffff8000ffffda08 process=0xffff8000ffff5818 user=0xffff80002a2c3000, vmspace=0xfffffd800b063d58 estcpu=1, cpticks=11, pctcpu=0.6, user=0, sys=11, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94086 139711 43804 32767 7 0x400010 syz-executor 94086 394988 43804 32767 3 0x4400090 fsleep syz-executor 29509 476377 13884 32767 2 0x10 syz-executor 29509 95832 13884 32767 3 0x4000090 sbwait syz-executor 29509 502573 13884 32767 2 0x4000010 syz-executor 23146 248158 33944 32767 3 0x90 nanoslp syz-executor 23146 376252 33944 32767 3 0x4000090 sbwait syz-executor 23146 341919 33944 32767 3 0x4000090 fsleep syz-executor 73032 430894 39974 32767 3 0x90 nanoslp syz-executor 73032 301511 39974 32767 3 0x4000090 lockf syz-executor 73032 298703 39974 32767 3 0x4000090 ttyin syz-executor 73032 410607 39974 32767 3 0x4000090 fsleep syz-executor 51774 212916 13613 32767 3 0x90 nanoslp syz-executor 51774 183574 13613 32767 3 0x4000090 ttyout syz-executor 51774 146958 13613 32767 3 0x4000090 fsleep syz-executor 51774 472224 13613 32767 3 0x4000090 fsleep syz-executor 7940 278029 59152 32767 3 0x90 nanoslp syz-executor 7940 324930 59152 32767 3 0x4000090 sbwait syz-executor 7940 410937 59152 32767 3 0x4000090 fsleep syz-executor 7940 386093 59152 32767 3 0x4000090 fsleep syz-executor 33944 29177 1664 32767 3 0x90 nanoslp syz-executor 39974 211857 97134 32767 3 0x90 nanoslp syz-executor 59152 132661 57608 32767 3 0x90 nanoslp syz-executor 31723 415529 85871 32767 3 0x10 biowait syz-executor 98802 84898 30938 32767 3 0x90 nanoslp syz-executor 13884 107195 73753 32767 3 0x90 nanoslp syz-executor 43804 469225 95888 32767 3 0x90 nanoslp syz-executor 13613 506175 47412 32767 3 0x90 nanoslp syz-executor 97134 523310 30933 0 3 0x82 wait syz-executor 85871 68673 30933 0 3 0x82 wait syz-executor 1664 68902 30933 0 3 0x82 wait syz-executor 57608 373422 30933 0 3 0x82 wait syz-executor 30938 195725 30933 0 3 0x82 wait syz-executor 95888 39608 30933 0 3 0x82 wait syz-executor 47412 481170 30933 0 3 0x82 wait syz-executor 73753 461162 30933 0 3 0x82 wait syz-executor *30933 444095 37871 0 7 0x2 syz-executor 37871 349271 80002 0 3 0x10008a sigsusp ksh 80002 140791 65146 0 3 0x98 kqread sshd-session 65146 395874 90234 0 3 0x92 kqread sshd-session 39052 38096 1 0 3 0x100083 ttyin getty 90234 290899 1 0 3 0x88 kqread sshd 41912 253537 50339 73 3 0x1100090 kqread syslogd 50339 173484 1 0 3 0x100082 sbwait syslogd 2303 289791 1 0 3 0x100080 kqread resolvd 22074 410125 13025 77 3 0x100092 kqread dhcpleased 460 11970 13025 77 3 0x100092 kqread dhcpleased 13025 59484 1 0 3 0x80 kqread dhcpleased 75737 366601 0 0 3 0x14200 bored smr 21070 383664 0 0 2 0x14200 zerothread 74956 326487 0 0 3 0x14200 aiodoned aiodoned 60608 493610 0 0 3 0x14200 syncer update 64044 264490 0 0 3 0x14200 cleaner cleaner 66312 39783 0 0 3 0x14200 reaper reaper 35383 404990 0 0 3 0x14200 pgdaemon pagedaemon 1525 470736 0 0 3 0x14200 bored viomb 93563 167727 0 0 3 0x40014200 acpi0 acpi0 78353 360469 0 0 3 0x40014200 idle1 25905 414735 0 0 3 0x14200 bored softnet1 66342 291587 0 0 3 0x14200 bored softnet0 71217 484319 0 0 3 0x14200 bored systqmp 23790 408206 0 0 3 0x14200 bored systq 72361 245237 0 0 3 0x14200 tmoslp softclockmp 26445 165898 0 0 3 0x40014200 tmoslp softclock 73560 479997 0 0 3 0x40014200 idle0 1 161583 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &newfdp->fd_fd.fd_fplock r = 0 (0xffff80003c41d348) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 fd_checkclosed+0x48 sys/kern/kern_descrip.c:271 #3 kqueue_register+0xd25 sys/kern/kern_event.c:1504 #4 ppollregister_evts+0xca sys/kern/sys_generic.c:1044 #5 ppollregister+0x32f sys/kern/sys_generic.c:1142 #6 doppoll+0x214 sys/kern/sys_generic.c:959 #7 sys_poll+0xd8 sys/kern/sys_generic.c:-1 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 94086 (syz-executor) thread 0xffff80003c43b250 (139711) exclusive rwlock uobjlk r = 0 (0xfffffd806c9e4430) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1204 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd80733caaa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 31723 (syz-executor) thread 0xffff8000fffee548 (415529) exclusive rrwlock inode r = 0 (0xfffffd806a61ed98) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d2d07c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 10958K 10973K 166960K 11283 0 pcb 17 14K 16K 166960K 19 0 rtable 239 6K 7K 166960K 366 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 2K 166960K 36 0 iov 1 2K 12K 166960K 18 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1367 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 80 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 125K 166960K 360 0 sigio 1 0K 0K 166960K 10 0 proc 58 99K 147K 166960K 511 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 61 0 in_multi 99 7K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 371 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 281 170K 185K 166960K 5045 0 UVM aobj 21 3K 4K 166960K 23 0 pinsyscall 46 92K 112K 166960K 1438 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 11 0K 2K 166960K 27 0 temp 41 8671K 8735K 166960K 4775 0 kqueue 14 22K 30K 166960K 68 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 89 0 85 2 0 2 2 0 8 1 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 393 0 368 6 0 6 6 0 8 5 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 166 0 162 7 0 7 7 0 8 6 arp 136 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 521 0 477 12 3 9 12 0 8 5 ip6q 72 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 152 25 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 256 454 0 0 29 0 29 29 0 8 0 art_table 40 455 0 0 5 0 5 5 0 8 0 art_node 32 112 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 78 0 68 1 0 1 1 0 8 0 shmpl 112 20 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1877 0 367 95 0 95 95 0 8 0 ffsino 296 1877 0 367 117 0 117 117 0 8 0 nchpl 144 2387 0 696 63 0 63 63 0 8 0 vnodes 216 1958 0 0 109 0 109 109 0 8 0 namei 1024 7014 0 7013 2 0 2 2 0 8 1 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 7834 0 7833 4 1 3 3 1 8 2 plimitpl 152 96 0 70 2 0 2 2 0 8 0 sigapl 424 651 0 598 7 0 7 7 0 8 0 knotepl 120 305 0 0 10 0 10 10 0 8 0 kqueuepl 224 150 0 139 5 0 5 5 0 8 4 pipepl 344 133 0 106 3 0 3 3 0 8 0 fdescpl 528 635 0 598 4 0 4 4 0 8 0 filepl 160 3096 0 2826 20 0 20 20 0 8 7 lockfpl 104 94 0 85 1 0 1 1 0 8 0 lockfspl 48 36 0 29 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 33 0 9 1 0 1 1 0 8 0 ucredpl 104 330 0 311 1 0 1 1 0 8 0 zombiepl 144 599 0 598 1 0 1 1 0 8 0 processpl 1232 651 0 598 5 0 5 5 0 8 0 procpl 664 1011 0 944 7 0 7 7 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 1006 0 933 26 5 21 21 0 8 13 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 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 108 0 0 14 0 14 14 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 196 0 0 13 0 13 13 0 8 0 bufpl 280 2773 0 119 190 0 190 190 0 8 0 anonpl 32 9408 0 0 76 0 76 76 0 246 0 amapchunkpl 152 16725 0 15990 40 0 40 40 0 158 10 amappl16 200 2506 0 2481 14 3 11 14 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 10 0 10 1 1 0 1 0 8 0 amappl13 176 408 0 407 1 0 1 1 0 8 0 amappl12 168 976 0 930 3 0 3 3 0 8 0 amappl11 160 31 0 31 1 1 0 1 0 8 0 amappl10 152 46 0 36 1 0 1 1 0 8 0 amappl9 144 243 0 243 1 1 0 1 0 8 0 amappl8 136 42 0 41 1 0 1 1 0 8 0 amappl7 128 88 0 87 1 0 1 1 0 8 0 amappl6 120 271 0 257 1 0 1 1 0 8 0 amappl5 112 75 0 68 1 0 1 1 0 8 0 amappl4 104 389 0 366 1 0 1 1 0 8 0 amappl3 96 2761 0 2625 4 0 4 4 0 8 0 amappl2 88 529 0 475 2 0 2 2 0 8 0 amappl1 80 10167 0 9604 14 0 14 14 0 8 0 amappl 88 4290 0 4080 6 0 6 6 0 92 0 uvmvnodes 80 113 0 0 3 0 3 3 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 128 253 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 22 0 2 1 0 1 1 0 8 0 uaddrrnd 24 635 0 598 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 635 0 598 1 0 1 1 0 8 0 vmmpekpl 168 6785 0 6755 2 0 2 2 0 8 0 vmmpepl 168 48337 0 46256 102 0 102 102 0 357 8 vmsppl 488 634 0 598 7 1 6 6 0 8 0 rwobjpl 80 16437 0 15438 25 0 25 25 0 8 3 pdppl 4096 1278 0 1196 114 28 86 98 0 8 4 pvpl 32 17325 0 0 140 0 140 140 0 265 0 pmappl 256 634 0 598 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 292 0 31 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x78cdffd561a0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0xb7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0xb7 sys/dev/acpi/acpitimer.c:120 comcnputc(800,43) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(43) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(43) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff83388604) at db_printf+0x9b sys/kern/subr_prf.c:-1 panic(ffffffff833b0c65) at panic+0x103 sys/kern/subr_prf.c:217 __assert(ffffffff833f011b,ffffffff8334596e,51d,ffffffff83422192) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageactivate(fffffd800838ac90) at uvm_pageactivate+0x1e3 sys/uvm/uvm_page.c:1306 uvm_fault_lower_lookup(ffff80003c459980,ffff80003c4599b8,ffff80003c459900) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1248 end trace frame: 0xffff80003c459870, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0xb7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0xb7 sys/dev/acpi/acpitimer.c:120 comcnputc(800,43) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(43) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(43) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff83388604) at db_printf+0x9b sys/kern/subr_prf.c:-1 panic(ffffffff833b0c65) at panic+0x103 sys/kern/subr_prf.c:217 __assert(ffffffff833f011b,ffffffff8334596e,51d,ffffffff83422192) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageactivate(fffffd800838ac90) at uvm_pageactivate+0x1e3 sys/uvm/uvm_page.c:1306 uvm_fault_lower_lookup(ffff80003c459980,ffff80003c4599b8,ffff80003c459900) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1248 uvm_fault_lower(ffff80003c459980,ffff80003c4599b8,ffff80003c459900) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 uvm_fault(fffffd80733ca9a0,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c459b20,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c459b20) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77cd6cc8fc30, count: -19