r0 = syz_open_procfs(0x0, &(0x7f0000000140)='smaps_rollup\x00')
r1 = shmget$private(0x0, 0x5000, 0x1800, &(0x7f0000ffb000/0x5000)=nil)
shmat(r1, &(0x7f0000400000/0xc00000)=nil, 0x5000)
r2 = shmget(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil)
shmat(r2, &(0x7f0000a34000/0x1000)=nil, 0x5000)
preadv(r0, &(0x7f0000000080)=[{&(0x7f0000000000)=""/76, 0x4c}], 0x1, 0x0, 0x0)