syzbot


panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va ADDR, opte ADDR, pa ADDR

Status: auto-closed as invalid on 2022/06/26 13:02
Reported-by: syzbot+50a891f1696442f05cb8@syzkaller.appspotmail.com
First crash: 924d, last: 848d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va ADDR, opte ADDR, pa ADDR (2) 1 105d 105d 0/3 auto-obsoleted due to no activity on 2024/07/08 15:50

Sample crash report:
panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va 0xdc485a16000, opte 0xffffffffffffffff, pa 0x61120000
Starting stack trace...
panic(ffffffff825ea6bd) at panic+0x16b sys/kern/subr_prf.c:233
pmap_enter(fffffd806e3cd4e0,dc485a16000,61120000,3,21) at pmap_enter+0xc89
uvm_fault_upper(ffff80002e4056a0,ffff80002e4056d8,ffff80002e4055a0,0) at uvm_fault_upper+0x2b1 sys/uvm/uvm_fault.c:1047
uvm_fault(fffffd80603395f0,dc485a16000,0,1) at uvm_fault+0x164 sys/uvm/uvm_fault.c:610
upageflttrap(ffff80002e405810,dc485a16c88) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002e405810) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffffb660, count: 250
End of stack trace.

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/28 13:01 openbsd c0f44e363efa ee339263 .config console log report ci-openbsd-multicore panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va ADDR, opte ADDR, pa ADDR
2022/01/11 07:52 openbsd 8e544e80ad05 1884f55a .config console log report ci-openbsd-main panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va ADDR, opte ADDR, pa ADDR
* Struck through repros no longer work on HEAD.