login: panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*268556 93545 0 0 0x4000000 0K syz-executor
439241 93545 0 0 0x4000000 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83519dda) at panic+0x1e5 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(ffffee007094f1f8,200000c10000,200000c19000) at uvm_fault_unwire_locked+0x4be
uvm_fault_wire(ffffee007094f1f8,200000c10000,200000c21000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline]
uvm_fault_wire(ffffee007094f1f8,200000c10000,200000c21000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706
uvm_vslock_device(ffff80002a22d238,200000c104c0,10000,1,ffff800035bb98a8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169
physio(ffffffff81a2f140,d02,0,ffffffff81a2f970,ffff800035bb9b88) at physio+0x257 sys/kern/kern_physio.c:139
spec_write(ffff800035bb99d0) at spec_write+0x11f sys/kern/spec_vnops.c:302
VOP_WRITE(ffffee006dde86d0,ffff800035bb9b88,5,ffffee00097fd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(ffffee006d18d988,ffff800035bb9b88,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414
dofilewritev(ffff80002a22d238,5,ffff800035bb9b88,0,ffff800035bb9c40) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a22d238,ffff800035bb9cf0,ffff800035bb9c40) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff800035bb9cf0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800035bb9cf0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2a50ae74b80, count: 2
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_unwire_locked: address not in map
ddb{0}> show kasan
No such command
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83519dda) at panic+0x1e5 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(ffffee007094f1f8,200000c10000,200000c19000) at uvm_fault_unwire_locked+0x4be
uvm_fault_wire(ffffee007094f1f8,200000c10000,200000c21000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline]
uvm_fault_wire(ffffee007094f1f8,200000c10000,200000c21000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706
uvm_vslock_device(ffff80002a22d238,200000c104c0,10000,1,ffff800035bb98a8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169
physio(ffffffff81a2f140,d02,0,ffffffff81a2f970,ffff800035bb9b88) at physio+0x257 sys/kern/kern_physio.c:139
spec_write(ffff800035bb99d0) at spec_write+0x11f sys/kern/spec_vnops.c:302
VOP_WRITE(ffffee006dde86d0,ffff800035bb9b88,5,ffffee00097fd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(ffffee006d18d988,ffff800035bb9b88,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414
dofilewritev(ffff80002a22d238,5,ffff800035bb9b88,0,ffff800035bb9c40) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a22d238,ffff800035bb9cf0,ffff800035bb9c40) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff800035bb9cf0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800035bb9cf0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2a50ae74b80, count: -13
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800035bb95f0
rbx 0xffffffff839b0e0f cpu_info_full_primary+0x2e0f
rdx 0
rcx 0xffff80002a22d238
rax 0xffffffff839afff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x62674b6752de214b
r11 0xee809cfeaf89e49
r12 0xffffffff839b0c10 cpu_info_full_primary+0x2c10
r13 0
r14 0
r15 0x1
rip 0xffffffff81aa9055 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff800035bb95e0
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=268556 pid=93545 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=36, usrpri=66, slppri=36, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a22c2a8,0xffff80002a22c550
process=0xffff800045feebb0 user=0xffff800035bb4000, vmspace=0xffffee007094f1f8
estcpu=16, cpticks=11, pctcpu=0.0, user=0, sys=10, intr=1
ddb{0}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
93545 252312 41275 0 2 0 0 syz-executor
*93545 268556 41275 0 7 0 0x4000000 syz-executor
93545 439241 41275 0 7 0 0x4000000 syz-executor
93545 201428 41275 0 3 0 0x4000080 fsleep syz-executor
25573 321300 46819 0 3 0x2 0x80 piperd syz-executor
23783 488184 46819 0 3 0x2 0x80 piperd syz-executor
16348 484533 46819 0 3 0x2 0x80 piperd syz-executor
85846 21410 1 0 3 0x100003 0x80 ttyin getty
63964 17357 46819 0 3 0x2 0x80 nanoslp syz-executor
74789 289304 46819 0 3 0x2 0x80 piperd syz-executor
42486 101915 46819 0 3 0x2 0x80 piperd syz-executor
41275 297344 46819 0 3 0x2 0x80 nanoslp syz-executor
46819 302895 1 0 3 0x2 0x80 wait syz-executor
17387 475030 0 0 3 0x14000 0x200 bored smr
22170 83148 0 0 2 0x14000 0x200 zerothread
51366 191220 0 0 3 0x14000 0x200 aiodoned aiodoned
27892 40269 0 0 3 0x14000 0x200 syncer update
74645 436458 0 0 3 0x14000 0x200 cleaner cleaner
2307 453387 0 0 3 0x14000 0x200 reaper reaper
45245 520634 0 0 3 0x14000 0x200 pgdaemon pagedaemon
50145 116134 0 0 3 0x14000 0x200 bored viomb
98536 477141 0 0 3 0x14000 0x40000200 acpi0 acpi0
87765 456327 0 0 3 0x14000 0x40000200 idle1
38273 523334 0 0 3 0x14000 0x200 bored softnet1
17958 294966 0 0 3 0x14000 0x200 bored softnet0
28980 193689 0 0 3 0x14000 0x200 smrbar systqmp
48960 150789 0 0 3 0x14000 0x200 bored systq
17028 422481 0 0 3 0x14000 0x200 tmoslp softclockmp
17585 307338 0 0 3 0x14000 0x40000200 tmoslp softclock
55245 457802 0 0 3 0x14000 0x40000200 idle0
1 107665 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{0}>