r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4307, 0x80200, 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, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8) r1 = syz_io_uring_setup(0x4ee5, &(0x7f0000000080)={0x0, 0x806cad}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000040)=0x0, &(0x7f0000000180)=0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) syz_io_uring_submit(r2, r3, &(0x7f0000000000)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, r4, 0x0, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0, 0x2160}, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x100000e, 0x13, r1, 0x0) dup2(r0, r4) setns(0xffffffffffffffff, 0x0) mount$9p_fd(0x0, 0x0, &(0x7f0000000400), 0x4008, &(0x7f00000006c0)={'trans=fd,', {}, 0x2c, {}, 0x2c, {[{@nodevmap}, {@fscache}, {@noextend}, {@uname={'uname', 0x3d, '.#$'}}], [{@uid_eq={'uid', 0x3d, 0xee01}}, {@obj_type={'obj_type', 0x3d, '\x00'}}, {@smackfshat={'smackfshat', 0x3d, '\x00'}}]}}) r5 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0xf, 0x13, r1, 0x8000000) syz_io_uring_submit(r5, r3, &(0x7f00000002c0)=@IORING_OP_READ=@pass_buffer={0x16, 0x4, 0x0, @fd, 0x0, 0x0}, 0x80000001) io_uring_enter(r1, 0x47d5, 0x0, 0x0, 0x0, 0x0)