uvm_fault(0xfffff7800d84de78, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND * 5488 9585 0 0x1000 0x4080000 0 syz-executor ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a85f4e8,ffff80002a7b51c0,ffff80002a7b5110) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b51c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b51c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8d0dbaff3c0, count: 10 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(0xfffff7800d84de78, 0xf, 0, 1) -> e ddb> show kasan No such command ddb> trace ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a85f4e8,ffff80002a7b51c0,ffff80002a7b5110) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b51c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b51c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8d0dbaff3c0, count: -5 ddb> show registers rdi 0xffff80002a85f4e8 rsi 0xffffffffffffffff rbp 0xffff80002a7b4ee0 rbx 0xfffff78007ffd888 rdx 0 rcx 0x80000538 __kernel_virt_to_phys+0x538 rax 0xffff80002a85f4e8 r8 0xfffff7806f7b7710 r9 0xfffff78007ffd888 r10 0xa6d9ec607edb6a4d r11 0x6c441ec3201af69 r12 0xffff80002a85f4e8 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000538 __kernel_virt_to_phys+0x538 rip 0xffffffff81a00418 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a7b4e60 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=5488 pid=9585 tcnt=2 stat=onproc flags process=1000 proc=4080000 runpri=17, usrpri=71, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a85f780 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a85e2c0,0xffff80002a75da10 process=0xffff80003a4db678 user=0xffff80002a7b0000, vmspace=0xfffff7800d84de78 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 15126 408825 99368 0 2 0 0 syz-executor 15126 156559 99368 0 2 0 0x4000000 syz-executor 15126 245031 99368 0 3 0 0x4000080 fsleep syz-executor 9585 504666 91978 0 3 0x1000 0x2000 suspend syz-executor * 9585 5488 91978 0 7 0x1000 0x4080000 syz-executor 51662 119891 61433 0 2 0x2 0 syz-executor 74366 381237 1 0 3 0x2 0x80 nanoslp getty 89484 496187 22851 0 3 0 0x80 nanoslp syz-executor 89484 72204 22851 0 3 0 0x4000088 kqpoll syz-executor 89484 153272 22851 0 3 0 0x4000080 fsleep syz-executor 91978 163536 61433 0 2 0x2 0xc80 syz-executor 99368 459188 61433 0 2 0x2 0xc80 syz-executor 22851 292554 61433 0 2 0x2 0xc80 syz-executor 14821 6443 61433 0 2 0x2 0 syz-executor 43995 257564 61433 0 2 0x2 0 syz-executor 46967 463587 61433 0 2 0x2 0 syz-executor 96545 484604 61433 0 2 0x2 0 syz-executor 61433 55481 1 0 3 0x2 0x80 kqread syz-executor 2501 47801 0 0 3 0x14000 0x200 bored smr 44970 343054 0 0 2 0x14000 0x200 zerothread 53254 307219 0 0 3 0x14000 0x200 aiodoned aiodoned 94394 179438 0 0 3 0x14000 0x200 syncer update 10245 249713 0 0 3 0x14000 0x200 cleaner cleaner 47950 242805 0 0 3 0x14000 0x200 reaper reaper 517 298272 0 0 3 0x14000 0x200 pgdaemon pagedaemon 38703 523821 0 0 3 0x14000 0x200 bored viomb 92248 385195 0 0 3 0x14000 0x40000200 acpi0 acpi0 56694 182115 0 0 3 0x14000 0x200 bored softnet0 2890 403750 0 0 3 0x14000 0x200 bored systqmp 52829 398082 0 0 3 0x14000 0x200 bored systq 43255 470838 0 0 3 0x14000 0x40000200 tmoslp softclock 69732 123525 0 0 3 0x14000 0x40000200 idle0 1 445902 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11016 12093K 12214K 166960K 12167 0 pcb 17 12K 12K 166960K 38 0 rtable 195 5K 7K 166960K 494 0 pf 26 12K 17K 166960K 52 0 ifaddr 34 6K 7K 166960K 64 0 ifgroup 42 1K 2K 166960K 70 0 sysctl 3 1K 9K 166960K 7 0 counters 31 17K 17K 166960K 39 0 ioctlops 0 0K 4K 166960K 45 0 iov 0 0K 12K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1288 81K 82K 166960K 1438 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 12 42K 89K 166960K 262 0 sigio 0 0K 0K 166960K 2 0 proc 22 33K 108K 166960K 632 0 subproc 63 3K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 19 0 in_multi 77 5K 6K 166960K 143 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 430 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 110 73K 142K 166960K 3967 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 15 30K 92K 166960K 1482 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 13 0K 1K 166960K 41 0 temp 32 9109K 9174K 166960K 4310 0 kqueue 2 4K 29K 166960K 46 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 56 0 56 1 0 1 1 0 8 1 rtentry 136 156 0 68 4 0 4 4 0 8 0 unpcb 144 68 0 68 1 0 1 1 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 29 0 28 1 0 1 1 0 8 0 arp 96 26 0 12 1 0 1 1 0 8 0 inpcb 328 137 0 135 2 0 2 2 0 8 1 nd6 112 36 0 18 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 12 0 5 1 0 1 1 0 8 0 ppxss 1072 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 3 0 3 1 0 1 1 0 8 1 pfanchor 1288 2 0 2 1 0 1 1 0 8 1 pfrule 1360 2 0 2 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 634 0 267 31 0 31 31 0 8 5 art_table 40 635 0 267 6 0 6 6 0 8 0 art_node 32 156 0 76 1 0 1 1 0 8 0 semapl 72 4 0 0 1 0 1 1 0 8 0 shmpl 120 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1694 0 220 93 0 93 93 0 8 0 ffsino 256 1694 0 220 93 0 93 93 0 8 0 nchpl 144 2001 0 288 64 0 64 64 0 8 0 vnodes 216 1835 0 0 102 0 102 102 0 8 0 namei 1024 7534 0 7533 3 0 3 3 0 8 2 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 35 0 16 2 0 2 2 0 8 0 scxspl 216 8489 0 8489 8 0 8 8 1 8 8 plimitpl 152 39 0 29 1 0 1 1 0 8 0 sigapl 424 553 0 525 6 0 6 6 0 8 1 knotepl 120 6062 0 5807 17 6 11 17 0 8 3 kqueuepl 184 48 0 44 1 0 1 1 0 8 0 pipepl 304 142 0 115 3 0 3 3 0 8 0 fdescpl 448 540 0 525 5 0 5 5 0 8 1 filepl 120 2108 0 1959 9 0 9 9 0 8 1 lockfpl 104 43 0 42 1 0 1 1 0 8 0 lockfspl 48 18 0 17 1 0 1 1 0 8 0 sessionpl 144 29 0 27 1 0 1 1 0 8 0 pgrppl 48 42 0 32 1 0 1 1 0 8 0 ucredpl 104 230 0 227 1 0 1 1 0 8 0 zombiepl 144 526 0 525 1 0 1 1 0 8 0 processpl 1160 553 0 525 4 0 4 4 0 8 0 procpl 664 680 0 647 6 0 6 6 0 8 1 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 552 265 0 263 3 0 3 3 0 8 1 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 2615 0 2563 14 0 14 14 0 8 6 mcl2k 2048 261 0 261 3 0 3 3 0 8 3 mextrefs 64 106 0 106 1 0 1 1 0 8 1 mtagpl 96 5 0 4 1 0 1 1 0 8 0 mbufpl 256 5293 0 5174 13 0 13 13 0 8 1 bufpl 272 3954 0 104 257 0 257 257 0 8 0 anonpl 24 115472 0 114195 43 0 43 43 0 187 17 amapchunkpl 152 11260 0 10978 23 0 23 23 0 158 5 amappl16 200 2132 0 2118 12 1 11 12 0 8 8 amappl15 192 8 0 8 1 0 1 1 0 8 1 amappl14 184 498 0 498 1 0 1 1 0 8 1 amappl13 176 188 0 187 1 0 1 1 0 8 0 amappl12 168 803 0 790 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 0 1 1 0 8 1 amappl10 152 86 0 86 1 0 1 1 0 8 1 amappl9 144 270 0 270 1 0 1 1 0 8 1 amappl8 136 183 0 183 1 0 1 1 0 8 1 amappl7 128 153 0 151 1 0 1 1 0 8 0 amappl6 120 209 0 209 1 0 1 1 0 8 1 amappl5 112 96 0 95 1 0 1 1 0 8 0 amappl4 104 277 0 274 1 0 1 1 0 8 0 amappl3 96 1925 0 1880 3 0 3 3 0 8 0 amappl2 88 644 0 625 2 0 2 2 0 8 0 amappl1 80 10967 0 10864 13 0 13 13 0 8 3 amappl 88 3141 0 3045 4 0 4 4 0 92 0 uvmvnodes 80 96 0 0 2 0 2 2 0 8 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 540 0 525 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 540 0 525 1 0 1 1 0 8 0 vmmpekpl 168 6298 0 6260 3 0 3 3 0 8 0 vmmpepl 168 44827 0 44202 89 0 89 89 0 357 46 vmsppl 368 539 0 525 4 0 4 4 0 8 1 rwobjpl 40 16176 0 15799 12 0 12 12 0 8 0 pdppl 4096 1086 0 1050 96 28 68 78 0 8 32 pvpl 32 268799 0 265726 108 0 108 108 0 265 42 pmappl 216 539 0 525 2 0 2 2 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 623 0 28 17 0 17 17 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a85f4e8,ffff80002a7b51c0,ffff80002a7b5110) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b51c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b51c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8d0dbaff3c0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a85f4e8,ffffffffffffffff,0,80000538,fffff7806f7b7710,fffff78007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff7806f7b7710,4,538,0,ffff80002a85f4e8) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a85f4e8,ffff80002a7b51c0,ffff80002a7b5110) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b51c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b51c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8d0dbaff3c0, count: -5 ddb>