!WC !w |s="y.ٟX2b2h?^uvm_fault(0xffffffff839a8090, 0xffff800029ee5000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pvclock_get+0x53: movl 0(%r15),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND pvclock_get(ffffffff8391c380) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff8391c380) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nanouptime(ffff80003b4c9a00) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 sys/kern/kern_tc.c:217 tuagg_add_runtime() at tuagg_add_runtime+0x40 sys/kern/kern_resource.c:449 mi_switch() at mi_switch+0xb1 sys/kern/sched_bsd.c:372 ast(ffff80003b4c9ad0) at ast+0x13d mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003b4c9ad0) at ast+0x13d sys/arch/amd64/amd64/trap.c:747 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x9f7e914b670, count: 9 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xffffffff839a8090, 0xffff800029ee5000, 0, 1) -> e ddb> trace pvclock_get(ffffffff8391c380) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff8391c380) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nanouptime(ffff80003b4c9a00) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 sys/kern/kern_tc.c:217 tuagg_add_runtime() at tuagg_add_runtime+0x40 sys/kern/kern_resource.c:449 mi_switch() at mi_switch+0xb1 sys/kern/sched_bsd.c:372 ast(ffff80003b4c9ad0) at ast+0x13d mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003b4c9ad0) at ast+0x13d sys/arch/amd64/amd64/trap.c:747 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x9f7e914b670, count: -6 ddb> show registers rdi 0xffffffff rsi 0xd rbp 0xffff80003b4c9980 rbx 0xffffffff838f5790 th0 rdx 0 rcx 0 rax 0xc r8 0xffff80003b4c95c8 r9 0x21 r10 0xbc1dc260546b96bc r11 0x729faa5b9cb553c1 r12 0 r13 0x107f __ALIGN_SIZE+0x7f r14 0xffffffff8391c380 pvclock_timecounter r15 0xffff800029ee5000 rip 0xffffffff82191aa3 pvclock_get+0x53 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003b4c9930 ss 0x10 pvclock_get+0x53: movl 0(%r15),%r12d ddb> show proc PROC (syz-executor) tid=433658 pid=17760 tcnt=3 stat=run flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff80003c993cb8,0xffff80003c992d38 process=0xffff8000ffff8018 user=0xffff80003b4c4000, vmspace=0xfffffd800d7442f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 20923 30807 44771 0 2 0x100002 ndp 44771 8426 21504 0 3 0x10008a sigsusp sh 17760 120195 83859 0 2 0 syz-executor *17760 433658 83859 0 2 0x4000000 syz-executor 17760 105104 83859 0 3 0x4000080 fsleep syz-executor 13161 151810 12934 0 2 0xc80 syz-executor 13161 218776 12934 0 3 0x4000080 fsleep syz-executor 82738 61538 32889 0 2 0 syz-executor 82738 228087 32889 0 3 0x4000080 wsevent_read syz-executor 24624 470753 39647 0 2 0 syz-executor 21504 44759 11943 0 3 0x82 wait syz-executor 60057 288822 51771 0 2 0xc80 syz-executor 60057 372785 51771 0 3 0x4000080 kqsel syz-executor 60057 352264 51771 0 3 0x4000080 fsleep syz-executor 58301 93 76776 0 3 0x100082 sbwait ndp 76776 330263 37981 0 3 0x10008a sigsusp sh 32889 490901 11943 0 2 0xc82 syz-executor 51771 178855 11943 0 2 0xc82 syz-executor 99476 351501 11943 0 3 0x82 wait syz-executor 12934 436771 11943 0 2 0xc82 syz-executor 39647 372996 11943 0 3 0x82 nanoslp syz-executor 83859 180191 11943 0 2 0xc82 syz-executor 37981 116384 11943 0 3 0x82 wait syz-executor 11943 505269 71453 0 3 0x82 kqread syz-executor 71453 63349 72298 0 3 0x10008a sigsusp ksh 72298 97355 10551 0 3 0x98 kqread sshd-session 10551 458624 91511 0 3 0x92 kqread sshd-session 34938 203937 1 0 3 0x100083 ttyin getty 91511 105782 1 0 3 0x88 kqread sshd 5072 389960 59179 73 3 0x1100090 kqread syslogd 59179 412317 1 0 3 0x100082 sbwait syslogd 13141 158121 1 0 3 0x100080 kqread resolvd 43200 13473 28603 77 3 0x100092 kqread dhcpleased 36908 279217 28603 77 3 0x100092 kqread dhcpleased 28603 502739 1 0 3 0x80 kqread dhcpleased 39315 181187 0 0 3 0x14200 bored smr 45432 282498 0 0 2 0x14200 zerothread 7638 41831 0 0 3 0x14200 aiodoned aiodoned 69636 241998 0 0 3 0x14200 syncer update 8353 490518 0 0 3 0x14200 cleaner cleaner 55659 455641 0 0 3 0x14200 reaper reaper 52680 367755 0 0 3 0x14200 pgdaemon pagedaemon 97845 385727 0 0 3 0x14200 bored viomb 68869 442555 0 0 3 0x40014200 acpi0 acpi0 52753 283204 0 0 3 0x14200 bored softnet0 26583 427599 0 0 3 0x14200 smrbar systqmp 65112 340864 0 0 3 0x14200 bored systq 64349 405270 0 0 3 0x40014200 tmoslp softclock 12780 336540 0 0 3 0x40014200 idle0 1 401304 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11040 12127K 12680K 166960K 12690 0 pcb 17 15K 17K 166960K 274 0 rtable 205 6K 7K 166960K 511 0 pf 29 12K 19K 166960K 83 0 ifaddr 37 6K 8K 166960K 78 0 ifgroup 46 2K 2K 166960K 112 0 sysctl 2 1K 9K 166960K 9 0 counters 32 17K 18K 166960K 59 0 ioctlops 0 0K 4K 166960K 195 0 iov 0 0K 20K 166960K 20 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1352 85K 85K 166960K 1858 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 47 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 20 73K 89K 166960K 615 0 sigio 0 0K 0K 166960K 68 0 proc 60 59K 91K 166960K 632 0 subproc 72 4K 4K 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 47 0 in_multi 78 5K 7K 166960K 146 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 524 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 230 155K 171K 166960K 6898 0 UVM aobj 10 2K 2K 166960K 12 0 pinsyscall 43 86K 95K 166960K 1803 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 17 0 NDP 12 0K 2K 166960K 52 0 temp 56 9106K 13206K 166960K 37518 0 kqueue 13 20K 26K 166960K 108 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 113 0 108 2 1 1 2 0 8 0 rtentry 136 156 0 68 4 0 4 4 0 8 0 unpcb 144 580 0 565 3 2 1 3 0 8 0 syncache 336 7 0 7 1 1 0 1 0 8 0 tcpcb 736 120 0 116 1 0 1 1 0 8 0 arp 96 25 0 8 1 0 1 1 0 8 0 ipq 40 5 0 1 1 0 1 1 0 8 0 ipqe 40 7 0 2 1 0 1 1 0 8 0 inpcb 328 687 0 680 11 9 2 10 0 8 1 ip6q 72 39 0 34 1 0 1 1 0 8 0 ip6af 40 74 0 69 1 0 1 1 0 8 0 nd6 112 36 0 16 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 16 0 16 2 1 1 1 0 8 1 pppxif 1416 2 0 2 1 1 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 2 1 1 0 1 0 8 0 pfstate 384 1 0 1 1 1 0 1 0 8 0 pfrule 1360 1 0 1 1 1 0 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 669 0 224 32 1 31 32 0 8 1 art_table 40 671 0 224 6 0 6 6 0 8 0 art_node 32 155 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semapl 64 43 0 33 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2399 0 935 92 0 92 92 0 8 0 ffsino 256 2399 0 935 92 0 92 92 0 8 0 nchpl 144 3272 0 1561 64 0 64 64 0 8 0 rtmask 32 3 0 3 2 1 1 1 0 8 1 vnodes 216 2727 0 0 152 0 152 152 0 8 0 namei 1024 10604 0 10604 1 0 1 1 0 8 1 kstatmem 264 61 0 40 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 21872 0 21872 10 2 8 8 1 8 8 plimitpl 152 182 0 166 1 0 1 1 0 8 0 sigapl 424 927 0 882 8 2 6 8 0 8 0 knotepl 120 20092 0 20045 18 9 9 11 0 8 7 kqueuepl 184 139 0 129 1 0 1 1 0 8 0 pipepl 304 226 0 199 8 5 3 8 0 8 0 fdescpl 448 894 0 862 5 1 4 5 0 8 0 filepl 120 4781 0 4566 14 6 8 14 0 8 0 lockfpl 104 217 0 214 1 0 1 1 0 8 0 lockfspl 48 79 0 76 1 0 1 1 0 8 0 sessionpl 144 45 0 37 1 0 1 1 0 8 0 pgrppl 48 60 0 44 1 0 1 1 0 8 0 ucredpl 104 570 0 559 1 0 1 1 0 8 0 zombiepl 144 883 0 882 1 0 1 1 0 8 0 processpl 1152 927 0 882 5 1 4 5 0 8 0 procpl 664 1583 0 1532 8 2 6 8 0 8 0 sosppl 176 3 0 3 1 1 0 1 0 8 0 sockpl 552 1400 0 1373 10 7 3 10 0 8 1 mcl64k 65536 63 0 62 1 0 1 1 0 8 0 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 1 0 1 0 8 0 mcl4k 4096 3116 0 3061 14 6 8 14 0 8 0 mcl2k2 2112 33 0 33 1 1 0 1 0 8 0 mcl2k 2048 605 0 598 5 3 2 4 0 8 0 mtagpl 96 5 0 5 1 0 1 1 0 8 1 mbufpl 256 9900 0 9716 18 1 17 18 0 8 0 bufpl 280 9115 0 2899 445 0 445 445 0 8 0 anonpl 24 147384 0 144061 80 34 46 72 0 186 7 amapchunkpl 152 22790 0 22325 38 11 27 31 0 158 7 amappl16 200 2787 0 2763 34 19 15 28 0 8 9 amappl15 192 43 0 43 1 1 0 1 0 8 0 amappl14 184 451 0 447 1 0 1 1 0 8 0 amappl13 176 123 0 110 1 0 1 1 0 8 0 amappl12 168 1145 0 1114 2 0 2 2 0 8 0 amappl11 160 1 0 1 1 1 0 1 0 8 0 amappl10 152 61 0 51 1 0 1 1 0 8 0 amappl9 144 269 0 269 1 1 0 1 0 8 0 amappl8 136 104 0 103 1 0 1 1 0 8 0 amappl7 128 146 0 133 1 0 1 1 0 8 0 amappl6 120 258 0 255 1 0 1 1 0 8 0 amappl5 112 93 0 83 1 0 1 1 0 8 0 amappl4 104 278 0 261 1 0 1 1 0 8 0 amappl3 96 4417 0 4306 4 0 4 4 0 8 0 amappl2 88 556 0 494 2 0 2 2 0 8 0 amappl1 80 12416 0 11812 13 0 13 13 0 8 0 amappl 88 6060 0 5904 5 0 5 5 0 92 0 uvmvnodes 80 120 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 7 0 7 2 1 1 1 0 8 1 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 11 0 2 1 0 1 1 0 8 0 uaddrrnd 24 894 0 862 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 894 0 862 1 0 1 1 0 8 0 vmmpekpl 168 8892 0 8855 3 0 3 3 0 8 0 vmmpepl 168 64319 0 62436 108 15 93 104 0 357 6 vmsppl 368 893 0 862 4 1 3 4 0 8 0 rwobjpl 40 20084 0 19027 16 1 15 16 0 8 0 pdppl 4096 1794 0 1724 98 28 70 78 0 8 0 pvpl 32 406607 0 397716 153 40 113 143 0 265 15 pmappl 216 893 0 862 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 375 0 46 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pvclock_get(ffffffff8391c380) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff8391c380) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nanouptime(ffff80003b4c9a00) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 sys/kern/kern_tc.c:217 tuagg_add_runtime() at tuagg_add_runtime+0x40 sys/kern/kern_resource.c:449 mi_switch() at mi_switch+0xb1 sys/kern/sched_bsd.c:372 ast(ffff80003b4c9ad0) at ast+0x13d mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003b4c9ad0) at ast+0x13d sys/arch/amd64/amd64/trap.c:747 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x9f7e914b670, count: -6 ddb> machine ddbcpu 1 No such command ddb> trace pvclock_get(ffffffff8391c380) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff8391c380) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nanouptime(ffff80003b4c9a00) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline] nanouptime(ffff80003b4c9a00) at nanouptime+0x61 sys/kern/kern_tc.c:217 tuagg_add_runtime() at tuagg_add_runtime+0x40 sys/kern/kern_resource.c:449 mi_switch() at mi_switch+0xb1 sys/kern/sched_bsd.c:372 ast(ffff80003b4c9ad0) at ast+0x13d mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003b4c9ad0) at ast+0x13d sys/arch/amd64/amd64/trap.c:747 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x9f7e914b670, count: -6