r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240), 0x4a0102, 0x0) r1 = syz_io_uring_setup(0x1c29, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x20e, 0x0, r0}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000440)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r2, r3, &(0x7f0000000000)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f00000008c0)=[{&(0x7f0000000340)=""/142, 0x8e}], 0x1}, 0x0) epoll_pwait(0xffffffffffffffff, &(0x7f0000000280)=[{}, {}, {}], 0x3, 0x7, &(0x7f0000000400)={[0x100]}, 0x8) openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/partitions\x00', 0x0, 0x0) r4 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x100000e, 0x13, r1, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x10000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_io_uring_submit(r4, r3, &(0x7f0000000100)=@IORING_OP_ACCEPT={0xd, 0x3, 0x0, 0xffffffffffffffff, 0x0}, 0x8001) io_uring_enter(r1, 0x58ab, 0x0, 0x0, 0x0, 0x0)