uvm_fault: vio_rxeof (2)

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
openbsd	uvm_fault: vio_rxeof	syz			15700	1580d	1891d	3/3	fixed on 2020/08/05 06:16

openbsd

syz

15700

1580d

1891d

3/3

fixed on 2020/08/05 06:16

uvm_fault(0xfffffd806fbf91b8, 0xa, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      vio_rxeof+0x196:        movzwl  0xa(%rbx),%r12d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*464129  71298      0   0x8000000          0    0  syz-executor.1
 295967  34962  60928   0x8000010          0    1  syz-executor.3
vio_rxeof(ffff8000001a0000) at vio_rxeof+0x196 sys/dev/pv/if_vio.c:1120
vio_rx_intr(ffff8000001a0050) at vio_rx_intr+0x48 sys/dev/pv/if_vio.c:1160
intr_handler(ffff80002a2bd1b0,ffff80000067b200) at intr_handler+0x93 sys/arch/amd64/amd64/intr.c:543
Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f
end of kernel
end trace frame: 0x711f3d112ae0, count: 11
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